from bt2 import native_bt, object, utils
import collections.abc
import bt2.field
-import abc
+import bt2.field_path
import bt2
return _FIELD_CLASS_TYPE_TO_OBJ[typeid]._create_from_ptr_and_get_ref(ptr)
-class _FieldClass(object._SharedObject, metaclass=abc.ABCMeta):
- _get_ref = staticmethod(native_bt.field_class_get_ref)
- _put_ref = staticmethod(native_bt.field_class_put_ref)
-
- def __init__(self, ptr):
- super().__init__(ptr)
-
- def __eq__(self, other):
- if not isinstance(other, self.__class__):
- # not comparing apples to apples
- return False
+class IntegerDisplayBase:
+ BINARY = native_bt.FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_BINARY
+ OCTAL = native_bt.FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_OCTAL
+ DECIMAL = native_bt.FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_DECIMAL
+ HEXADECIMAL = native_bt.FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_HEXADECIMAL
- if self.addr == other.addr:
- return True
- ret = native_bt.field_class_compare(self._ptr, other._ptr)
- utils._handle_ret(ret, "cannot compare field classes")
- return ret == 0
+class _FieldClass(object._SharedObject):
+ _get_ref = staticmethod(native_bt.field_class_get_ref)
+ _put_ref = staticmethod(native_bt.field_class_put_ref)
def _check_create_status(self, ptr):
if ptr is None:
raise bt2.CreationError('cannot create {} field class object'.format(self._NAME.lower()))
- def __copy__(self):
- ptr = native_bt.field_class_copy(self._ptr)
- utils._handle_ptr(ptr, 'cannot copy {} field class object'.format(self._NAME.lower()))
- return _create_from_ptr(ptr)
-
- def __deepcopy__(self, memo):
- cpy = self.__copy__()
- memo[id(self)] = cpy
- return cpy
-
- def __call__(self, value=None):
- field_ptr = native_bt.field_create(self._ptr)
-
- if field_ptr is None:
- raise bt2.CreationError('cannot create {} field object'.format(self._NAME.lower()))
-
- field = bt2.field._create_from_ptr(field_ptr)
-
- if value is not None:
- if not isinstance(field, (bt2.field._IntegerField, bt2.field._FloatingPointNumberField, bt2.field._StringField)):
- raise bt2.Error('cannot assign an initial value to a {} field object'.format(field._NAME))
-
- field.value = value
-
- return field
-
-
-class _AlignmentProp:
- @property
- def alignment(self):
- alignment = native_bt.field_class_get_alignment(self._ptr)
- assert(alignment >= 0)
- return alignment
-
- @alignment.setter
- def alignment(self, alignment):
- utils._check_alignment(alignment)
- ret = native_bt.field_class_set_alignment(self._ptr, alignment)
- utils._handle_ret(ret, "cannot set field class object's alignment")
-
-
-class _ByteOrderProp:
- @property
- def byte_order(self):
- bo = native_bt.field_class_get_byte_order(self._ptr)
- assert(bo >= 0)
- return bo
-
- @byte_order.setter
- def byte_order(self, byte_order):
- utils._check_int(byte_order)
- ret = native_bt.field_class_set_byte_order(self._ptr, byte_order)
- utils._handle_ret(ret, "cannot set field class object's byte order")
-
class _IntegerFieldClass(_FieldClass):
-
- def __init__(self, size, alignment=None, byte_order=None, is_signed=None,
- base=None, encoding=None, mapped_clock_class=None):
- utils._check_uint64(size)
-
- if size == 0:
- raise ValueError('size is 0 bits')
-
- ptr = native_bt.field_class_integer_create(size)
- self._check_create_status(ptr)
- super().__init__(ptr)
-
- if alignment is not None:
- self.alignment = alignment
-
- if byte_order is not None:
- self.byte_order = byte_order
-
- if is_signed is not None:
- self.is_signed = is_signed
-
- if base is not None:
- self.base = base
-
- if encoding is not None:
- self.encoding = encoding
-
- if mapped_clock_class is not None:
- self.mapped_clock_class = mapped_clock_class
-
@property
- def size(self):
- size = native_bt.field_class_integer_get_size(self._ptr)
+ def field_value_range(self):
+ size = native_bt.field_class_integer_get_field_value_range(self._ptr)
assert(size >= 1)
return size
- @property
- def is_signed(self):
- is_signed = native_bt.field_class_integer_is_signed(self._ptr)
- assert(is_signed >= 0)
- return is_signed > 0
+ def _field_value_range(self, size):
+ if size < 1 or size > 64:
+ raise ValueError("Value is outside valid range [1, 64] ({})".format(size))
+ native_bt.field_class_integer_set_field_value_range(self._ptr, size)
- @is_signed.setter
- def is_signed(self, is_signed):
- utils._check_bool(is_signed)
- ret = native_bt.field_class_integer_set_is_signed(self._ptr, int(is_signed))
- utils._handle_ret(ret, "cannot set integer field class object's signedness")
+ _field_value_range = property(fset=_field_value_range)
@property
- def base(self):
- base = native_bt.field_class_integer_get_base(self._ptr)
+ def preferred_display_base(self):
+ base = native_bt.field_class_integer_get_preferred_display_base(
+ self._ptr)
assert(base >= 0)
return base
- @base.setter
- def base(self, base):
- utils._check_int(base)
- ret = native_bt.field_class_integer_set_base(self._ptr, base)
- utils._handle_ret(ret, "cannot set integer field class object's base")
+ def _preferred_display_base(self, base):
+ utils._check_uint64(base)
- @property
- def encoding(self):
- encoding = native_bt.field_class_integer_get_encoding(self._ptr)
- assert(encoding >= 0)
- return encoding
+ if base not in (IntegerDisplayBase.BINARY,
+ IntegerDisplayBase.OCTAL,
+ IntegerDisplayBase.DECIMAL,
+ IntegerDisplayBase.HEXADECIMAL):
+ raise ValueError("Display base is not a valid IntegerDisplayBase value")
- @encoding.setter
- def encoding(self, encoding):
- utils._check_int(encoding)
- ret = native_bt.field_class_integer_set_encoding(self._ptr, encoding)
- utils._handle_ret(ret, "cannot set integer field class object's encoding")
+ native_bt.field_class_integer_set_preferred_display_base(
+ self._ptr, base)
- @property
- def mapped_clock_class(self):
- ptr = native_bt.field_class_integer_get_mapped_clock_class(self._ptr)
-
- if ptr is None:
- return
-
- return bt2.ClockClass._create_from_ptr(ptr)
-
- @mapped_clock_class.setter
- def mapped_clock_class(self, clock_class):
- utils._check_type(clock_class, bt2.ClockClass)
- ret = native_bt.field_class_integer_set_mapped_clock_class(self._ptr, clock_class._ptr)
- utils._handle_ret(ret, "cannot set integer field class object's mapped clock class")
+ _preferred_display_base = property(fset=_preferred_display_base)
class _UnsignedIntegerFieldClass(_IntegerFieldClass):
- pass
+ _NAME = 'Unsigned integer'
class _SignedIntegerFieldClass(_IntegerFieldClass):
- pass
-
-
-class UnsignedIntegerFieldClass(_UnsignedIntegerFieldClass):
- _NAME = 'UnsignedInteger'
-
+ _NAME = 'Signed integer'
-class SignedIntegerFieldClass(_SignedIntegerFieldClass):
- _NAME = 'SignedInteger'
-
-class RealFieldClass(_FieldClass):
+class _RealFieldClass(_FieldClass):
_NAME = 'Real'
- def __init__(self, alignment=None, byte_order=None, exponent_size=None,
- mantissa_size=None):
- ptr = native_bt.field_class_floating_point_create()
- self._check_create_status(ptr)
- super().__init__(ptr)
-
- if alignment is not None:
- self.alignment = alignment
-
- if byte_order is not None:
- self.byte_order = byte_order
-
- if exponent_size is not None:
- self.exponent_size = exponent_size
-
- if mantissa_size is not None:
- self.mantissa_size = mantissa_size
-
@property
- def exponent_size(self):
- exp_size = native_bt.field_class_floating_point_get_exponent_digits(self._ptr)
- assert(exp_size >= 0)
- return exp_size
+ def is_single_precision(self):
+ return native_bt.field_class_real_is_single_precision(self._ptr)
- @exponent_size.setter
- def exponent_size(self, exponent_size):
- utils._check_uint64(exponent_size)
- ret = native_bt.field_class_floating_point_set_exponent_digits(self._ptr, exponent_size)
- utils._handle_ret(ret, "cannot set floating point number field class object's exponent size")
-
- @property
- def mantissa_size(self):
- mant_size = native_bt.field_class_floating_point_get_mantissa_digits(self._ptr)
- assert(mant_size >= 0)
- return mant_size
+ def _is_single_precision(self, is_single_precision):
+ utils._check_bool(is_single_precision)
+ native_bt.field_class_real_set_is_single_precision(
+ self._ptr, is_single_precision)
- @mantissa_size.setter
- def mantissa_size(self, mantissa_size):
- utils._check_uint64(mantissa_size)
- ret = native_bt.field_class_floating_point_set_mantissa_digits(self._ptr, mantissa_size)
- utils._handle_ret(ret, "cannot set floating point number field class object's mantissa size")
+ _is_single_precision = property(fset=_is_single_precision)
-class _EnumerationFieldClassMapping:
- def __init__(self, name, lower, upper):
- self._name = name
+class _EnumerationFieldClassMappingRange:
+ def __init__(self, lower, upper):
self._lower = lower
self._upper = upper
- @property
- def name(self):
- return self._name
-
@property
def lower(self):
return self._lower
return self._upper
def __eq__(self, other):
- if type(other) is not self.__class__:
- return False
-
- return (self.name, self.lower, self.upper) == (other.name, other.lower, other.upper)
-
-
-class _EnumerationFieldClassMappingIterator(object._SharedObject,
- collections.abc.Iterator):
- def __init__(self, iter_ptr, is_signed):
- super().__init__(iter_ptr)
- self._is_signed = is_signed
- self._done = (iter_ptr is None)
-
- def __next__(self):
- if self._done:
- raise StopIteration
-
- ret = native_bt.field_class_enumeration_mapping_iterator_next(self._ptr)
- if ret < 0:
- self._done = True
- raise StopIteration
-
- if self._is_signed:
- ret, name, lower, upper = native_bt.field_class_enumeration_mapping_iterator_get_signed(self._ptr)
- else:
- ret, name, lower, upper = native_bt.field_class_enumeration_mapping_iterator_get_unsigned(self._ptr)
-
- assert(ret == 0)
- mapping = _EnumerationFieldClassMapping(name, lower, upper)
-
- return mapping
-
-
-class EnumerationFieldClass(_IntegerFieldClass, collections.abc.Sequence):
- _NAME = 'Enumeration'
-
- def __init__(self, int_field_class=None, size=None, alignment=None,
- byte_order=None, is_signed=None, base=None, encoding=None,
- mapped_clock_class=None):
- if int_field_class is None:
- int_field_class = IntegerFieldClass(size=size, alignment=alignment,
- byte_order=byte_order,
- is_signed=is_signed, base=base,
- encoding=encoding,
- mapped_clock_class=mapped_clock_class)
-
- utils._check_type(int_field_class, IntegerFieldClass)
- ptr = native_bt.field_class_enumeration_create(int_field_class._ptr)
- self._check_create_status(ptr)
- _FieldClass.__init__(self, ptr)
-
- @property
- def integer_field_class(self):
- ptr = native_bt.field_class_enumeration_get_container_type(self._ptr)
- assert(ptr)
- return _create_from_ptr(ptr)
-
- @property
- def size(self):
- return self.integer_field_class.size
+ return self.lower == other.lower and self.upper == other.upper
- @property
- def alignment(self):
- return self.integer_field_class.alignment
- @alignment.setter
- def alignment(self, alignment):
- self.integer_field_class.alignment = alignment
+class _EnumerationFieldClassMapping(collections.abc.Set):
+ def __init__(self, mapping_ptr):
+ self._mapping_ptr = mapping_ptr
@property
- def byte_order(self):
- return self.integer_field_class.byte_order
-
- @byte_order.setter
- def byte_order(self, byte_order):
- self.integer_field_class.byte_order = byte_order
+ def label(self):
+ mapping_ptr = self._as_enumeration_field_class_mapping_ptr(self._mapping_ptr)
+ label = native_bt.field_class_enumeration_mapping_get_label(mapping_ptr)
+ assert label is not None
+ return label
- @property
- def is_signed(self):
- return self.integer_field_class.is_signed
+ def __len__(self):
+ mapping_ptr = self._as_enumeration_field_class_mapping_ptr(self._mapping_ptr)
+ return native_bt.field_class_enumeration_mapping_get_range_count(mapping_ptr)
- @is_signed.setter
- def is_signed(self, is_signed):
- self.integer_field_class.is_signed = is_signed
+ def __contains__(self, other_range):
+ for curr_range in self:
+ if curr_range == other_range:
+ return True
+ return False
- @property
- def base(self):
- return self.integer_field_class.base
+ def __iter__(self):
+ for idx in range(len(self)):
+ lower, upper = self._get_range_by_index(self._mapping_ptr, idx)
+ yield _EnumerationFieldClassMappingRange(lower, upper)
- @base.setter
- def base(self, base):
- self.integer_field_class.base = base
- @property
- def encoding(self):
- return self.integer_field_class.encoding
+class _UnsignedEnumerationFieldClassMapping(_EnumerationFieldClassMapping):
+ _as_enumeration_field_class_mapping_ptr = staticmethod(native_bt.field_class_unsigned_enumeration_mapping_as_mapping_const)
+ _get_range_by_index = staticmethod(native_bt.field_class_unsigned_enumeration_mapping_get_range_by_index)
- @encoding.setter
- def encoding(self, encoding):
- self.integer_field_class.encoding = encoding
- @property
- def mapped_clock_class(self):
- return self.integer_field_class.mapped_clock_class
+class _SignedEnumerationFieldClassMapping(_EnumerationFieldClassMapping):
+ _as_enumeration_field_class_mapping_ptr = staticmethod(native_bt.field_class_signed_enumeration_mapping_as_mapping_const)
+ _get_range_by_index = staticmethod(native_bt.field_class_signed_enumeration_mapping_get_range_by_index)
- @mapped_clock_class.setter
- def mapped_clock_class(self, mapped_clock_class):
- self.integer_field_class.mapped_clock_class = mapped_clock_class
+class _EnumerationFieldClass(_IntegerFieldClass, collections.abc.Mapping):
def __len__(self):
count = native_bt.field_class_enumeration_get_mapping_count(self._ptr)
assert(count >= 0)
return count
- def __getitem__(self, index):
- utils._check_uint64(index)
+ def map_range(self, label, lower, upper=None):
+ utils._check_str(label)
- if index >= len(self):
- raise IndexError
+ if upper is None:
+ upper = lower
- if self.is_signed:
- get_fn = native_bt.field_class_enumeration_get_mapping_signed
- else:
- get_fn = native_bt.field_class_enumeration_get_mapping_unsigned
+ ret = self._map_range(self._ptr, label, lower, upper)
+ utils._handle_ret(ret, "cannot add mapping to enumeration field class object")
- ret, name, lower, upper = get_fn(self._ptr, index)
- assert(ret == 0)
- return _EnumerationFieldClassMapping(name, lower, upper)
+ def labels_by_value(self, value):
+ ret, labels = self._get_mapping_labels_by_value(self._ptr, value)
+ utils._handle_ret(ret, "cannot get mapping labels")
+ return labels
- def _get_mapping_iter(self, iter_ptr):
- return _EnumerationFieldClassMappingIterator(iter_ptr, self.is_signed)
+ def __iter__(self):
+ for idx in range(len(self)):
+ mapping = self._get_mapping_by_index(self._ptr, idx)
+ yield mapping.label
- def mappings_by_name(self, name):
- utils._check_str(name)
- iter_ptr = native_bt.field_class_enumeration_find_mappings_by_name(self._ptr, name)
- print('iter_ptr', iter_ptr)
- return self._get_mapping_iter(iter_ptr)
+ def __getitem__(self, key):
+ utils._check_str(key)
+ for idx in range(len(self)):
+ mapping = self._get_mapping_by_index(self._ptr, idx)
+ if mapping.label == key:
+ return mapping
- def mappings_by_value(self, value):
- if self.is_signed:
- utils._check_int64(value)
- iter_ptr = native_bt.field_class_enumeration_find_mappings_by_signed_value(self._ptr, value)
- else:
- utils._check_uint64(value)
- iter_ptr = native_bt.field_class_enumeration_find_mappings_by_unsigned_value(self._ptr, value)
+ raise KeyError(key)
- return self._get_mapping_iter(iter_ptr)
+ def __iadd__(self, mappings):
+ for mapping in mappings.values():
+ for range in mapping:
+ self.map_range(mapping.label, range.lower, range.upper)
- def add_mapping(self, name, lower, upper=None):
- utils._check_str(name)
+ return self
- if upper is None:
- upper = lower
- if self.is_signed:
- add_fn = native_bt.field_class_enumeration_add_mapping_signed
- utils._check_int64(lower)
- utils._check_int64(upper)
- else:
- add_fn = native_bt.field_class_enumeration_add_mapping_unsigned
- utils._check_uint64(lower)
- utils._check_uint64(upper)
+class _UnsignedEnumerationFieldClass(_EnumerationFieldClass, _UnsignedIntegerFieldClass):
+ _NAME = 'Unsigned enumeration'
- ret = add_fn(self._ptr, name, lower, upper)
- utils._handle_ret(ret, "cannot add mapping to enumeration field class object")
+ @staticmethod
+ def _get_mapping_by_index(enum_ptr, index):
+ mapping_ptr = native_bt.field_class_unsigned_enumeration_borrow_mapping_by_index_const(enum_ptr, index)
+ assert mapping_ptr is not None
+ return _UnsignedEnumerationFieldClassMapping(mapping_ptr)
- def __iadd__(self, mappings):
- for mapping in mappings:
- self.add_mapping(mapping.name, mapping.lower, mapping.upper)
+ @staticmethod
+ def _map_range(enum_ptr, label, lower, upper):
+ utils._check_uint64(lower)
+ utils._check_uint64(upper)
+ return native_bt.field_class_unsigned_enumeration_map_range(enum_ptr, label, lower, upper)
- return self
+ @staticmethod
+ def _get_mapping_labels_by_value(enum_ptr, value):
+ utils._check_uint64(value)
+ return native_bt.field_class_unsigned_enumeration_get_mapping_labels_by_value(enum_ptr, value)
-class StringFieldClass(_FieldClass):
- _NAME = 'String'
+class _SignedEnumerationFieldClass(_EnumerationFieldClass, _SignedIntegerFieldClass):
+ _NAME = 'Signed enumeration'
- def __init__(self, encoding=None):
- ptr = native_bt.field_class_string_create()
- self._check_create_status(ptr)
- super().__init__(ptr)
+ @staticmethod
+ def _get_mapping_by_index(enum_ptr, index):
+ mapping_ptr = native_bt.field_class_signed_enumeration_borrow_mapping_by_index_const(enum_ptr, index)
+ assert mapping_ptr is not None
+ return _SignedEnumerationFieldClassMapping(mapping_ptr)
- if encoding is not None:
- self.encoding = encoding
+ @staticmethod
+ def _map_range(enum_ptr, label, lower, upper):
+ utils._check_int64(lower)
+ utils._check_int64(upper)
+ return native_bt.field_class_signed_enumeration_map_range(enum_ptr, label, lower, upper)
- @property
- def encoding(self):
- encoding = native_bt.field_class_string_get_encoding(self._ptr)
- assert(encoding >= 0)
- return encoding
+ @staticmethod
+ def _get_mapping_labels_by_value(enum_ptr, value):
+ utils._check_int64(value)
+ return native_bt.field_class_signed_enumeration_get_mapping_labels_by_value(enum_ptr, value)
- @encoding.setter
- def encoding(self, encoding):
- utils._check_int(encoding)
- ret = native_bt.field_class_string_set_encoding(self._ptr, encoding)
- utils._handle_ret(ret, "cannot set string field class object's encoding")
+
+class _StringFieldClass(_FieldClass):
+ _NAME = 'String'
class _FieldContainer(collections.abc.Mapping):
def __len__(self):
- count = self._count()
- assert(count >= 0)
+ count = self._get_element_count(self._ptr)
+ assert count >= 0
return count
def __getitem__(self, key):
if not isinstance(key, str):
- raise TypeError("'{}' is not a 'str' object".format(key.__class__.__name__))
+ raise TypeError("key should be a 'str' object, got {}".format(key.__class__.__name__))
- ptr = self._get_field_by_name(key)
+ ptr = self._borrow_field_class_ptr_by_name(key)
if ptr is None:
raise KeyError(key)
- return _create_from_ptr(ptr)
+ return _create_field_class_from_ptr_and_get_ref(ptr)
+
+ def _borrow_field_class_ptr_by_name(self, key):
+ element_ptr = self._borrow_element_by_name(self._ptr, key)
+ if element_ptr is None:
+ return
+
+ return self._element_borrow_field_class(element_ptr)
def __iter__(self):
- return self._ITER_CLS(self)
+ for idx in range(len(self)):
+ element_ptr = self._borrow_element_by_index(self._ptr, idx)
+ assert element_ptr is not None
- def append_field(self, name, field_class):
+ yield self._element_get_name(element_ptr)
+
+ def _append_element_common(self, name, field_class):
utils._check_str(name)
utils._check_type(field_class, _FieldClass)
- ret = self._add_field(name, field_class._ptr)
+ ret = self._append_element(self._ptr, name, field_class._ptr)
utils._handle_ret(ret, "cannot add field to {} field class object".format(self._NAME.lower()))
def __iadd__(self, fields):
for name, field_class in fields.items():
- self.append_field(name, field_class)
+ self._append_element_common(name, field_class)
return self
- def at_index(self, index):
+ def _at_index(self, index):
utils._check_uint64(index)
- return self._at(index)
-
-class _StructureFieldClassFieldIterator(collections.abc.Iterator):
- def __init__(self, struct_field_class):
- self._struct_field_class = struct_field_class
- self._at = 0
-
- def __next__(self):
- if self._at == len(self._struct_field_class):
- raise StopIteration
-
- get_fc_by_index = native_bt.field_class_structure_get_field_by_index
- ret, name, field_class_ptr = get_fc_by_index(self._struct_field_class._ptr,
- self._at)
- assert(ret == 0)
- native_bt.put(field_class_ptr)
- self._at += 1
- return name
-
-
-class _StructureFieldClass(_FieldClass, _FieldContainer, _AlignmentProp):
- _NAME = 'Structure'
- _ITER_CLS = _StructureFieldClassFieldIterator
-
- def __init__(self, min_alignment=None):
- ptr = native_bt.field_class_structure_create()
- self._check_create_status(ptr)
- super().__init__(ptr)
-
- if min_alignment is not None:
- self.min_alignment = min_alignment
-
- def _count(self):
- return native_bt.field_class_structure_get_field_count(self._ptr)
-
- def _get_field_by_name(self, key):
- return native_bt.field_class_structure_get_field_class_by_name(self._ptr, key)
-
- def _add_field(self, name, ptr):
- return native_bt.field_class_structure_append_member(self._ptr, name, ptr)
-
- def _at(self, index):
if index < 0 or index >= len(self):
raise IndexError
- ret, name, field_class_ptr = native_bt.field_class_structure_get_field_by_index(self._ptr, index)
- assert(ret == 0)
- return _create_from_ptr(field_class_ptr)
+ element_ptr = self._borrow_element_by_index(self._ptr, index)
+ assert element_ptr is not None
+ field_class_ptr = self._element_borrow_field_class(element_ptr)
-_StructureFieldClass.min_alignment = property(fset=_StructureFieldClass.alignment.fset)
-_StructureFieldClass.alignment = property(fget=_StructureFieldClass.alignment.fget)
+ return _create_field_class_from_ptr_and_get_ref(field_class_ptr)
-class _VariantFieldClassFieldIterator(collections.abc.Iterator):
- def __init__(self, variant_field_class):
- self._variant_field_class = variant_field_class
- self._at = 0
+class _StructureFieldClass(_FieldClass, _FieldContainer):
+ _NAME = 'Structure'
+ _borrow_element_by_index = staticmethod(native_bt.field_class_structure_borrow_member_by_index_const)
+ _borrow_element_by_name = staticmethod(native_bt.field_class_structure_borrow_member_by_name_const)
+ _element_get_name = staticmethod(native_bt.field_class_structure_member_get_name)
+ _element_borrow_field_class = staticmethod(native_bt.field_class_structure_member_borrow_field_class_const)
+ _get_element_count = staticmethod(native_bt.field_class_structure_get_member_count)
+ _append_element = staticmethod(native_bt.field_class_structure_append_member)
- def __next__(self):
- if self._at == len(self._variant_field_class):
- raise StopIteration
+ def append_member(self, name, field_class):
+ return self._append_element_common(name, field_class)
- ret, name, field_class_ptr = native_bt.field_class_variant_get_field_by_index(self._variant_field_class._ptr,
- self._at)
- assert(ret == 0)
- native_bt.put(field_class_ptr)
- self._at += 1
- return name
+ def member_at_index(self, index):
+ return self._at_index(index)
-class VariantFieldClass(_FieldClass, _FieldContainer, _AlignmentProp):
+class _VariantFieldClass(_FieldClass, _FieldContainer):
_NAME = 'Variant'
- _ITER_CLS = _VariantFieldClassFieldIterator
-
- def __init__(self, tag_name, tag_field_class=None):
- utils._check_str(tag_name)
+ _borrow_element_by_index = staticmethod(native_bt.field_class_variant_borrow_option_by_index_const)
+ _borrow_element_by_name = staticmethod(native_bt.field_class_variant_borrow_option_by_name_const)
+ _element_get_name = staticmethod(native_bt.field_class_variant_option_get_name)
+ _element_borrow_field_class = staticmethod(native_bt.field_class_variant_option_borrow_field_class_const)
+ _get_element_count = staticmethod(native_bt.field_class_variant_get_option_count)
+ _append_element = staticmethod(native_bt.field_class_variant_append_option)
- if tag_field_class is None:
- tag_fc_ptr = None
- else:
- utils._check_type(tag_field_class, EnumerationFieldClass)
- tag_fc_ptr = tag_field_class._ptr
+ def append_option(self, name, field_class):
+ return self._append_element_common(name, field_class)
- ptr = native_bt.field_class_variant_create(tag_fc_ptr,
- tag_name)
- self._check_create_status(ptr)
- super().__init__(ptr)
+ def option_at_index(self, index):
+ return self._at_index(index)
@property
- def tag_name(self):
- tag_name = native_bt.field_class_variant_get_tag_name(self._ptr)
- assert(tag_name is not None)
- return tag_name
-
- @tag_name.setter
- def tag_name(self, tag_name):
- utils._check_str(tag_name)
- ret = native_bt.field_class_variant_set_tag_name(self._ptr, tag_name)
- utils._handle_ret(ret, "cannot set variant field class object's tag name")
-
- @property
- def tag_field_class(self):
- fc_ptr = native_bt.field_class_variant_get_tag_type(self._ptr)
-
- if fc_ptr is None:
+ def selector_field_path(self):
+ ptr = native_bt.field_class_variant_borrow_selector_field_path_const(self._ptr)
+ if ptr is None:
return
- return _create_from_ptr(fc_ptr)
-
- def _count(self):
- return native_bt.field_class_variant_get_field_count(self._ptr)
-
- def _get_field_by_name(self, key):
- return native_bt.field_class_variant_get_field_class_by_name(self._ptr, key)
+ return bt2.field_path._FieldPath._create_from_ptr_and_get_ref(ptr)
- def _add_field(self, ptr, name):
- return native_bt.field_class_variant_add_field(self._ptr, ptr, name)
+ def _set_selector_field_class(self, selector_fc):
+ utils._check_type(selector_fc, bt2.field_class._EnumerationFieldClass)
+ ret = native_bt.field_class_variant_set_selector_field_class(self._ptr, selector_fc._ptr)
+ utils._handle_ret(ret, "cannot set variant selector field type")
- def _at(self, index):
- if index < 0 or index >= len(self):
- raise IndexError
+ _selector_field_class = property(fset=_set_selector_field_class)
- ret, name, field_class_ptr = native_bt.field_class_variant_get_field_by_index(self._ptr, index)
- assert(ret == 0)
- return _create_from_ptr(field_class_ptr)
+class _ArrayFieldClass(_FieldClass):
+ @property
+ def element_field_class(self):
+ elem_fc_ptr = native_bt.field_class_array_borrow_element_field_class_const(self._ptr)
+ return _create_field_class_from_ptr_and_get_ref(elem_fc_ptr)
-class ArrayFieldClass(_FieldClass):
- _NAME = 'Array'
-
- def __init__(self, element_field_class, length):
- utils._check_type(element_field_class, _FieldClass)
- utils._check_uint64(length)
- ptr = native_bt.field_class_array_create(element_field_class._ptr, length)
- self._check_create_status(ptr)
- super().__init__(ptr)
+class _StaticArrayFieldClass(_ArrayFieldClass):
@property
def length(self):
- length = native_bt.field_class_array_get_length(self._ptr)
- assert(length >= 0)
- return length
-
- @property
- def element_field_class(self):
- ptr = native_bt.field_class_array_get_element_type(self._ptr)
- assert(ptr)
- return _create_from_ptr(ptr)
+ return native_bt.field_class_static_array_get_length(self._ptr)
-class SequenceFieldClass(_FieldClass):
- _NAME = 'Sequence'
+class _DynamicArrayFieldClass(_ArrayFieldClass):
+ @property
+ def length_field_path(self):
+ ptr = native_bt.field_class_dynamic_array_borrow_length_field_path_const(self._ptr)
+ if ptr is None:
+ return
- def __init__(self, element_field_class, length_name):
- utils._check_type(element_field_class, _FieldClass)
- utils._check_str(length_name)
- ptr = native_bt.field_class_sequence_create(element_field_class._ptr,
- length_name)
- self._check_create_status(ptr)
- super().__init__(ptr)
+ return bt2.field_path._FieldPath._create_from_ptr_and_get_ref(ptr)
- @property
- def length_name(self):
- length_name = native_bt.field_class_sequence_get_length_field_name(self._ptr)
- assert(length_name is not None)
- return length_name
+ def _set_length_field_class(self, length_fc):
+ utils._check_type(length_fc, _UnsignedIntegerFieldClass)
+ ret = native_bt.field_class_dynamic_array_set_length_field_class(self._ptr, length_fc._ptr)
+ utils._handle_ret(ret, "cannot set dynamic array length field type")
- @property
- def element_field_class(self):
- ptr = native_bt.field_class_sequence_get_element_type(self._ptr)
- assert(ptr)
- return _create_from_ptr(ptr)
+ _length_field_class = property(fset=_set_length_field_class)
_FIELD_CLASS_TYPE_TO_OBJ = {
+ native_bt.FIELD_CLASS_TYPE_UNSIGNED_INTEGER: _UnsignedIntegerFieldClass,
+ native_bt.FIELD_CLASS_TYPE_SIGNED_INTEGER: _SignedIntegerFieldClass,
+ native_bt.FIELD_CLASS_TYPE_REAL: _RealFieldClass,
+ native_bt.FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION: _UnsignedEnumerationFieldClass,
+ native_bt.FIELD_CLASS_TYPE_SIGNED_ENUMERATION: _SignedEnumerationFieldClass,
+ native_bt.FIELD_CLASS_TYPE_STRING: _StringFieldClass,
native_bt.FIELD_CLASS_TYPE_STRUCTURE: _StructureFieldClass,
+ native_bt.FIELD_CLASS_TYPE_STATIC_ARRAY: _StaticArrayFieldClass,
+ native_bt.FIELD_CLASS_TYPE_DYNAMIC_ARRAY: _DynamicArrayFieldClass,
+ native_bt.FIELD_CLASS_TYPE_VARIANT: _VariantFieldClass,
}
import bt2.field
import unittest
-import copy
import bt2
+from utils import get_default_trace_class
-class _TestCopySimple:
- def _test_copy(self, cpy):
- self.assertIsNot(cpy, self._fc)
- self.assertNotEqual(cpy.addr, self._fc.addr)
- self.assertEqual(cpy, self._fc)
+class _TestIntegerFieldClassProps:
+ def test_create_default(self):
+ fc = self._create_func()
+ self.assertEqual(fc.field_value_range, 64)
+ self.assertEqual(fc.preferred_display_base, bt2.IntegerDisplayBase.DECIMAL)
- def test_copy(self):
- cpy = copy.copy(self._fc)
- self._test_copy(cpy)
+ def test_create_range(self):
+ fc = self._create_func(field_value_range=35)
+ self.assertEqual(fc.field_value_range, 35)
- def test_deepcopy(self):
- cpy = copy.deepcopy(self._fc)
- self._test_copy(cpy)
+ fc = self._create_func(36)
+ self.assertEqual(fc.field_value_range, 36)
+ def test_create_invalid_range(self):
+ with self.assertRaises(TypeError):
+ self._create_func('yes')
-class _TestAlignmentProp:
- def test_assign_alignment(self):
- self._fc.alignment = 32
- self.assertEqual(self._fc.alignment, 32)
+ with self.assertRaises(TypeError):
+ self._create_func(field_value_range='yes')
- def test_assign_invalid_alignment(self):
with self.assertRaises(ValueError):
- self._fc.alignment = 23
+ self._create_func(field_value_range=-2)
+ with self.assertRaises(ValueError):
+ self._create_func(field_value_range=0)
-class _TestByteOrderProp:
- def test_assign_byte_order(self):
- self._fc.byte_order = bt2.ByteOrder.LITTLE_ENDIAN
- self.assertEqual(self._fc.byte_order, bt2.ByteOrder.LITTLE_ENDIAN)
+ def test_create_base(self):
+ fc = self._create_func(preferred_display_base=bt2.IntegerDisplayBase.HEXADECIMAL)
+ self.assertEqual(fc.preferred_display_base, bt2.IntegerDisplayBase.HEXADECIMAL)
- def test_assign_invalid_byte_order(self):
+ def test_create_invalid_base_type(self):
with self.assertRaises(TypeError):
- self._fc.byte_order = 'hey'
+ self._create_func(preferred_display_base='yes')
+ def test_create_invalid_base_value(self):
+ with self.assertRaises(ValueError):
+ self._create_func(preferred_display_base=444)
-class _TestInvalidEq:
- def test_eq_invalid(self):
- self.assertFalse(self._fc == 23)
+ def test_create_full(self):
+ fc = self._create_func(24, preferred_display_base=bt2.IntegerDisplayBase.OCTAL)
+ self.assertEqual(fc.field_value_range, 24)
+ self.assertEqual(fc.preferred_display_base, bt2.IntegerDisplayBase.OCTAL)
-class _TestIntegerFieldClassProps:
- def test_size_prop(self):
- self.assertEqual(self._fc.size, 35)
+class IntegerFieldClassTestCase(_TestIntegerFieldClassProps, unittest.TestCase):
+ def setUp(self):
+ self._tc = get_default_trace_class()
+ self._create_func = self._tc.create_signed_integer_field_class
- def test_assign_signed(self):
- self._fc.is_signed = True
- self.assertTrue(self._fc.is_signed)
- def test_assign_invalid_signed(self):
- with self.assertRaises(TypeError):
- self._fc.is_signed = 23
+class RealFieldClassTestCase(unittest.TestCase):
+ def setUp(self):
+ self._tc = get_default_trace_class()
- def test_assign_base(self):
- self._fc.base = bt2.Base.HEXADECIMAL
- self.assertEqual(self._fc.base, bt2.Base.HEXADECIMAL)
+ def test_create_default(self):
+ fc = self._tc.create_real_field_class()
+ self.assertFalse(fc.is_single_precision)
- def test_assign_invalid_base(self):
+ def test_create_is_single_precision(self):
+ fc = self._tc.create_real_field_class(is_single_precision=True)
+ self.assertTrue(fc.is_single_precision)
+
+ def test_create_invalid_is_single_precision(self):
with self.assertRaises(TypeError):
- self._fc.base = 'hey'
+ self._tc.create_real_field_class(is_single_precision='hohoho')
- def test_assign_encoding(self):
- self._fc.encoding = bt2.Encoding.UTF8
- self.assertEqual(self._fc.encoding, bt2.Encoding.UTF8)
- def test_assign_invalid_encoding(self):
- with self.assertRaises(TypeError):
- self._fc.encoding = 'hey'
+# Converts an _EnumerationFieldClassMapping to a list of ranges:
+#
+# [(lower0, upper0), (lower1, upper1), ...]
+
+def enum_mapping_to_list(mapping):
+ return sorted([(x.lower, x.upper) for x in mapping])
- def test_assign_mapped_clock_class(self):
- cc = bt2.ClockClass('name', 1000)
- self._fc.mapped_clock_class = cc
- self.assertEqual(self._fc.mapped_clock_class, cc)
- def test_assign_invalid_mapped_clock_class(self):
+class EnumerationFieldClassTestCase(_TestIntegerFieldClassProps):
+ def setUp(self):
+ self._tc = get_default_trace_class()
+
+ def test_create_from_invalid_type(self):
with self.assertRaises(TypeError):
- self._fc.mapped_clock_class = object()
+ self._create_func('coucou')
+ def test_add_mapping_simple(self):
+ self._fc.map_range('hello', 24)
+ mapping = self._fc['hello']
+ self.assertEqual(mapping.label, 'hello')
-@unittest.skip("this is broken")
-class IntegerFieldClassTestCase(_TestIntegerFieldClassProps, _TestCopySimple,
- _TestAlignmentProp, _TestByteOrderProp,
- _TestInvalidEq, unittest.TestCase):
- def setUp(self):
- self._fc = bt2.IntegerFieldClass(35)
+ ranges = enum_mapping_to_list(mapping)
+ self.assertEqual(ranges, [(24, 24)])
- def tearDown(self):
- del self._fc
+ def test_add_mapping_simple_kwargs(self):
+ self._fc.map_range(label='hello', lower=17, upper=23)
+ mapping = self._fc['hello']
+ self.assertEqual(mapping.label, 'hello')
- def test_create_default(self):
- self.assertEqual(self._fc.size, 35)
- self.assertIsNone(self._fc.mapped_clock_class)
+ ranges = enum_mapping_to_list(mapping)
+ self.assertEqual(ranges, [(17, 23)])
- def test_create_invalid_size(self):
+ def test_add_mapping_range(self):
+ self._fc.map_range('hello', 21, 199)
+ mapping = self._fc['hello']
+ self.assertEqual(mapping.label, 'hello')
+
+ ranges = enum_mapping_to_list(mapping)
+ self.assertEqual(ranges, [(21, 199)])
+
+ def test_add_mapping_invalid_name(self):
with self.assertRaises(TypeError):
- fc = bt2.IntegerFieldClass('yes')
+ self._fc.map_range(17, 21, 199)
- def test_create_neg_size(self):
- with self.assertRaises(ValueError):
- fc = bt2.IntegerFieldClass(-2)
+ def test_iadd(self):
+ enum_fc = self._tc.create_signed_enumeration_field_class(field_value_range=16)
+ enum_fc.map_range('c', 4, 5)
+ enum_fc.map_range('d', 6, 18)
+ enum_fc.map_range('e', 20, 27)
+ self._fc.map_range('a', 0, 2)
+ self._fc.map_range('b', 3)
+ self._fc += enum_fc
- def test_create_neg_zero(self):
- with self.assertRaises(ValueError):
- fc = bt2.IntegerFieldClass(0)
+ self.assertEqual(self._fc['a'].label, 'a')
+ self.assertEqual(enum_mapping_to_list(self._fc['a']), [(0, 2)])
- def test_create_full(self):
- cc = bt2.ClockClass('name', 1000)
- fc = bt2.IntegerFieldClass(24, alignment=16,
- byte_order=bt2.ByteOrder.BIG_ENDIAN,
- is_signed=True, base=bt2.Base.OCTAL,
- encoding=bt2.Encoding.NONE,
- mapped_clock_class=cc)
- self.assertEqual(fc.size, 24)
- self.assertEqual(fc.alignment, 16)
- self.assertEqual(fc.byte_order, bt2.ByteOrder.BIG_ENDIAN)
- self.assertTrue(fc.is_signed)
- self.assertEqual(fc.base, bt2.Base.OCTAL)
- self.assertEqual(fc.encoding, bt2.Encoding.NONE)
- self.assertEqual(fc.mapped_clock_class, cc)
-
- def test_create_field(self):
- field = self._fc()
- self.assertIsInstance(field, bt2.field._IntegerField)
-
- def test_create_field_init(self):
- field = self._fc(23)
- self.assertEqual(field, 23)
-
-
-@unittest.skip("this is broken")
-class FloatingPointNumberFieldClassTestCase(_TestCopySimple, _TestAlignmentProp,
- _TestByteOrderProp, _TestInvalidEq,
- unittest.TestCase):
- def setUp(self):
- self._fc = bt2.FloatingPointNumberFieldClass()
+ self.assertEqual(self._fc['b'].label, 'b')
+ self.assertEqual(enum_mapping_to_list(self._fc['b']), [(3, 3)])
- def tearDown(self):
- del self._fc
+ self.assertEqual(self._fc['c'].label, 'c')
+ self.assertEqual(enum_mapping_to_list(self._fc['c']), [(4, 5)])
- def test_create_default(self):
- pass
+ self.assertEqual(self._fc['d'].label, 'd')
+ self.assertEqual(enum_mapping_to_list(self._fc['d']), [(6, 18)])
- def test_create_full(self):
- fc = bt2.FloatingPointNumberFieldClass(alignment=16,
- byte_order=bt2.ByteOrder.BIG_ENDIAN,
- exponent_size=11,
- mantissa_size=53)
- self.assertEqual(fc.alignment, 16)
- self.assertEqual(fc.byte_order, bt2.ByteOrder.BIG_ENDIAN)
- self.assertEqual(fc.exponent_size, 11)
- self.assertEqual(fc.mantissa_size, 53)
-
- def test_assign_exponent_size(self):
- self._fc.exponent_size = 8
- self.assertEqual(self._fc.exponent_size, 8)
-
- def test_assign_invalid_exponent_size(self):
- with self.assertRaises(TypeError):
- self._fc.exponent_size = 'yes'
+ self.assertEqual(self._fc['e'].label, 'e')
+ self.assertEqual(enum_mapping_to_list(self._fc['e']), [(20, 27)])
- def test_assign_mantissa_size(self):
- self._fc.mantissa_size = 24
- self.assertEqual(self._fc.mantissa_size, 24)
+ def test_bool_op(self):
+ self.assertFalse(self._fc)
+ self._fc.map_range('a', 0)
+ self.assertTrue(self._fc)
- def test_assign_invalid_mantissa_size(self):
- with self.assertRaises(TypeError):
- self._fc.mantissa_size = 'no'
+ def test_len(self):
+ self._fc.map_range('a', 0)
+ self._fc.map_range('b', 1)
+ self._fc.map_range('c', 2)
+ self.assertEqual(len(self._fc), 3)
- def test_create_field(self):
- field = self._fc()
- self.assertIsInstance(field, bt2.field._FloatingPointNumberField)
+ def test_getitem(self):
+ self._fc.map_range('a', 0)
+ self._fc.map_range('b', 1, 3)
+ self._fc.map_range('a', 5)
+ self._fc.map_range('a', 17, 123)
+ self._fc.map_range('C', 5)
+ mapping = self._fc['a']
- def test_create_field_init(self):
- field = self._fc(17.5)
- self.assertEqual(field, 17.5)
+ self.assertEqual(mapping.label, 'a')
+ ranges = enum_mapping_to_list(mapping)
+ self.assertEqual(ranges, [(0, 0), (5, 5), (17, 123)])
+ with self.assertRaises(KeyError):
+ self._fc['doesnotexist']
-@unittest.skip("this is broken")
-class EnumerationFieldClassTestCase(_TestIntegerFieldClassProps, _TestInvalidEq,
- _TestCopySimple, _TestAlignmentProp,
- _TestByteOrderProp, unittest.TestCase):
- def setUp(self):
- self._fc = bt2.EnumerationFieldClass(size=35)
+ def test_contains(self):
+ self._fc.map_range('a', 0)
+ self._fc.map_range('a', 2, 23)
+ self._fc.map_range('b', 2)
+ self._fc.map_range('c', 5)
- def tearDown(self):
- del self._fc
+ a_mapping = self._fc['a']
+ b_mapping = self._fc['b']
+ first_range = next(iter(a_mapping))
- def test_create_from_int_fc(self):
- int_fc = bt2.IntegerFieldClass(23)
- self._fc = bt2.EnumerationFieldClass(int_fc)
+ self.assertIn(first_range, a_mapping)
+ self.assertNotIn(first_range, b_mapping)
- def test_create_from_invalid_type(self):
- with self.assertRaises(TypeError):
- self._fc = bt2.EnumerationFieldClass('coucou')
+ def test_iter(self):
+ self._fc.map_range('a', 1, 5)
+ self._fc.map_range('b', 10, 17)
+ self._fc.map_range('c', 20, 1504)
- def test_create_from_invalid_fc(self):
- with self.assertRaises(TypeError):
- fc = bt2.FloatingPointNumberFieldClass()
- self._fc = bt2.EnumerationFieldClass(fc)
+ self._fc.map_range('d', 22510, 99999)
- def test_create_full(self):
- fc = bt2.EnumerationFieldClass(size=24, alignment=16,
- byte_order=bt2.ByteOrder.BIG_ENDIAN,
- is_signed=True, base=bt2.Base.OCTAL,
- encoding=bt2.Encoding.NONE,
- mapped_clock_class=None)
- self.assertEqual(fc.size, 24)
- self.assertEqual(fc.alignment, 16)
- self.assertEqual(fc.byte_order, bt2.ByteOrder.BIG_ENDIAN)
- self.assertTrue(fc.is_signed)
- self.assertEqual(fc.base, bt2.Base.OCTAL)
- self.assertEqual(fc.encoding, bt2.Encoding.NONE)
- #self.assertIsNone(fc.mapped_clock_class)
-
- def test_integer_field_class_prop(self):
- int_fc = bt2.IntegerFieldClass(23)
- enum_fc = bt2.EnumerationFieldClass(int_fc)
- self.assertEqual(enum_fc.integer_field_class.addr, int_fc.addr)
+ # This exercises iteration.
+ labels = sorted(self._fc)
- def test_add_mapping_simple(self):
- self._fc.add_mapping('hello', 24)
- mapping = self._fc[0]
- self.assertEqual(mapping.name, 'hello')
- self.assertEqual(mapping.lower, 24)
- self.assertEqual(mapping.upper, 24)
+ self.assertEqual(labels, ['a', 'b', 'c', 'd'])
- def test_add_mapping_simple_kwargs(self):
- self._fc.add_mapping(name='hello', lower=17, upper=23)
- mapping = self._fc[0]
- self.assertEqual(mapping.name, 'hello')
- self.assertEqual(mapping.lower, 17)
- self.assertEqual(mapping.upper, 23)
+ def test_find_by_value(self):
+ self._fc.map_range('a', 0)
+ self._fc.map_range('b', 1, 3)
+ self._fc.map_range('c', 5, 19)
+ self._fc.map_range('d', 8, 15)
+ self._fc.map_range('e', 10, 21)
+ self._fc.map_range('f', 0)
+ self._fc.map_range('g', 14)
- def test_add_mapping_range(self):
- self._fc.add_mapping('hello', 21, 199)
- mapping = self._fc[0]
- self.assertEqual(mapping.name, 'hello')
- self.assertEqual(mapping.lower, 21)
- self.assertEqual(mapping.upper, 199)
+ labels = self._fc.labels_by_value(14)
- def test_add_mapping_invalid_name(self):
- with self.assertRaises(TypeError):
- self._fc.add_mapping(17, 21, 199)
+ expected_labels = ['c', 'd', 'e', 'g']
+
+ self.assertTrue(all(label in labels for label in expected_labels))
+
+
+class UnsignedEnumerationFieldClassTestCase(EnumerationFieldClassTestCase, unittest.TestCase):
+ def setUp(self):
+ super().setUp()
+ self._create_func = self._tc.create_unsigned_enumeration_field_class
+ self._fc = self._tc.create_unsigned_enumeration_field_class()
def test_add_mapping_invalid_signedness_lower(self):
with self.assertRaises(ValueError):
- self._fc.add_mapping('hello', -21, 199)
+ self._fc.map_range('hello', -21, 199)
def test_add_mapping_invalid_signedness_upper(self):
with self.assertRaises(ValueError):
- self._fc.add_mapping('hello', 21, -199)
+ self._fc.map_range('hello', 21, -199)
- def test_add_mapping_simple_signed(self):
- self._fc.is_signed = True
- self._fc.add_mapping('hello', -24)
- mapping = self._fc[0]
- self.assertEqual(mapping.name, 'hello')
- self.assertEqual(mapping.lower, -24)
- self.assertEqual(mapping.upper, -24)
- def test_add_mapping_range_signed(self):
- self._fc.is_signed = True
- self._fc.add_mapping('hello', -21, 199)
- mapping = self._fc[0]
- self.assertEqual(mapping.name, 'hello')
- self.assertEqual(mapping.lower, -21)
- self.assertEqual(mapping.upper, 199)
+class SignedEnumerationFieldClassTestCase(EnumerationFieldClassTestCase, unittest.TestCase):
+ def setUp(self):
+ super().setUp()
+ self._create_func = self._tc.create_signed_enumeration_field_class
+ self._fc = self._tc.create_signed_enumeration_field_class()
- def test_iadd(self):
- enum_fc = bt2.EnumerationFieldClass(size=16)
- enum_fc.add_mapping('c', 4, 5)
- enum_fc.add_mapping('d', 6, 18)
- enum_fc.add_mapping('e', 20, 27)
- self._fc.add_mapping('a', 0, 2)
- self._fc.add_mapping('b', 3)
- self._fc += enum_fc
- self.assertEqual(self._fc[0].name, 'a')
- self.assertEqual(self._fc[0].lower, 0)
- self.assertEqual(self._fc[0].upper, 2)
- self.assertEqual(self._fc[1].name, 'b')
- self.assertEqual(self._fc[1].lower, 3)
- self.assertEqual(self._fc[1].upper, 3)
- self.assertEqual(self._fc[2].name, 'c')
- self.assertEqual(self._fc[2].lower, 4)
- self.assertEqual(self._fc[2].upper, 5)
- self.assertEqual(self._fc[3].name, 'd')
- self.assertEqual(self._fc[3].lower, 6)
- self.assertEqual(self._fc[3].upper, 18)
- self.assertEqual(self._fc[4].name, 'e')
- self.assertEqual(self._fc[4].lower, 20)
- self.assertEqual(self._fc[4].upper, 27)
+ def test_add_mapping_simple_signed(self):
+ self._fc.map_range('hello', -24)
+ mapping = self._fc['hello']
+ self.assertEqual(mapping.label, 'hello')
- def test_bool_op(self):
- self.assertFalse(self._fc)
- self._fc.add_mapping('a', 0)
- self.assertTrue(self._fc)
+ ranges = enum_mapping_to_list(mapping)
+ self.assertEqual(ranges, [(-24, -24)])
- def test_len(self):
- self._fc.add_mapping('a', 0)
- self._fc.add_mapping('b', 1)
- self._fc.add_mapping('c', 2)
- self.assertEqual(len(self._fc), 3)
+ def test_add_mapping_range_signed(self):
+ self._fc.map_range('hello', -21, 199)
+ mapping = self._fc['hello']
+ self.assertEqual(mapping.label, 'hello')
+ ranges = enum_mapping_to_list(mapping)
+ self.assertEqual(ranges, [(-21, 199)])
- def test_getitem(self):
- self._fc.add_mapping('a', 0)
- self._fc.add_mapping('b', 1, 3)
- self._fc.add_mapping('c', 5)
- mapping = self._fc[1]
- self.assertEqual(mapping.name, 'b')
- self.assertEqual(mapping.lower, 1)
- self.assertEqual(mapping.upper, 3)
- def test_iter(self):
- mappings = (
- ('a', 1, 5),
- ('b', 10, 17),
- ('c', 20, 1504),
- ('d', 22510, 99999),
- )
-
- for mapping in mappings:
- self._fc.add_mapping(*mapping)
-
- for fc_mapping, mapping in zip(self._fc, mappings):
- self.assertEqual(fc_mapping.name, mapping[0])
- self.assertEqual(fc_mapping.lower, mapping[1])
- self.assertEqual(fc_mapping.upper, mapping[2])
-
- def test_mapping_eq(self):
- enum1 = bt2.EnumerationFieldClass(size=32)
- enum2 = bt2.EnumerationFieldClass(size=16)
- enum1.add_mapping('b', 1, 3)
- enum2.add_mapping('b', 1, 3)
- self.assertEqual(enum1[0], enum2[0])
-
- def test_mapping_eq_invalid(self):
- enum1 = bt2.EnumerationFieldClass(size=32)
- enum1.add_mapping('b', 1, 3)
- self.assertNotEqual(enum1[0], 23)
-
- def _test_find_by_name(self, fc):
- fc.add_mapping('a', 0)
- fc.add_mapping('b', 1, 3)
- fc.add_mapping('a', 5)
- fc.add_mapping('a', 17, 144)
- fc.add_mapping('C', 5)
- mapping_iter = fc.mappings_by_name('a')
- mappings = list(mapping_iter)
- a0 = False
- a5 = False
- a17_144 = False
- i = 0
-
- for mapping in mappings:
- i += 1
- self.assertEqual(mapping.name, 'a')
-
- if mapping.lower == 0 and mapping.upper == 0:
- a0 = True
- elif mapping.lower == 5 and mapping.upper == 5:
- a5 = True
- elif mapping.lower == 17 and mapping.upper == 144:
- a17_144 = True
-
- self.assertEqual(i, 3)
- self.assertTrue(a0)
- self.assertTrue(a5)
- self.assertTrue(a17_144)
-
- def test_find_by_name_signed(self):
- self._test_find_by_name(bt2.EnumerationFieldClass(size=8, is_signed=True))
-
- def test_find_by_name_unsigned(self):
- self._test_find_by_name(bt2.EnumerationFieldClass(size=8))
-
- def _test_find_by_value(self, fc):
- fc.add_mapping('a', 0)
- fc.add_mapping('b', 1, 3)
- fc.add_mapping('c', 5, 19)
- fc.add_mapping('d', 8, 15)
- fc.add_mapping('e', 10, 21)
- fc.add_mapping('f', 0)
- fc.add_mapping('g', 14)
- mapping_iter = fc.mappings_by_value(14)
- mappings = list(mapping_iter)
- c = False
- d = False
- e = False
- g = False
- i = 0
-
- for mapping in mappings:
- i += 1
-
- if mapping.name == 'c':
- c = True
- elif mapping.name == 'd':
- d = True
- elif mapping.name == 'e':
- e = True
- elif mapping.name == 'g':
- g = True
-
- self.assertEqual(i, 4)
- self.assertTrue(c)
- self.assertTrue(d)
- self.assertTrue(e)
- self.assertTrue(g)
-
- def test_find_by_value_signed(self):
- self._test_find_by_value(bt2.EnumerationFieldClass(size=8, is_signed=True))
-
- def test_find_by_value_unsigned(self):
- self._test_find_by_value(bt2.EnumerationFieldClass(size=8))
-
- def test_create_field(self):
- self._fc.add_mapping('c', 4, 5)
- field = self._fc()
- self.assertIsInstance(field, bt2.field._EnumerationField)
-
- def test_create_field_init(self):
- self._fc.add_mapping('c', 4, 5)
- field = self._fc(4)
- self.assertEqual(field, 4)
-
-
-@unittest.skip("this is broken")
-class StringFieldClassTestCase(_TestCopySimple, _TestInvalidEq,
- unittest.TestCase):
+class StringFieldClassTestCase(unittest.TestCase):
def setUp(self):
- self._fc = bt2.StringFieldClass()
-
- def tearDown(self):
- del self._fc
+ tc = get_default_trace_class()
+ self._fc = tc.create_string_field_class()
def test_create_default(self):
- pass
-
- def test_create_full(self):
- fc = bt2.StringFieldClass(encoding=bt2.Encoding.UTF8)
- self.assertEqual(fc.encoding, bt2.Encoding.UTF8)
-
- def test_assign_encoding(self):
- self._fc.encoding = bt2.Encoding.UTF8
- self.assertEqual(self._fc.encoding, bt2.Encoding.UTF8)
-
- def test_assign_invalid_encoding(self):
- with self.assertRaises(TypeError):
- self._fc.encoding = 'yes'
-
- def test_create_field(self):
- field = self._fc()
- self.assertIsInstance(field, bt2.field._StringField)
+ self.assertIsNotNone(self._fc)
- def test_create_field_init(self):
- field = self._fc('hola')
- self.assertEqual(field, 'hola')
-
-class _TestFieldContainer(_TestInvalidEq, _TestCopySimple):
- def test_append_field(self):
- int_field_class = bt2.IntegerFieldClass(32)
- self._fc.append_field('int32', int_field_class)
+class _TestFieldContainer():
+ def test_append_element(self):
+ int_field_class = self._tc.create_signed_integer_field_class(32)
+ self._append_element_method(self._fc, 'int32', int_field_class)
field_class = self._fc['int32']
- self.assertEqual(field_class, int_field_class)
+ self.assertEqual(field_class.addr, int_field_class.addr)
- def test_append_field_kwargs(self):
- int_field_class = bt2.IntegerFieldClass(32)
- self._fc.append_field(name='int32', field_class=int_field_class)
+ def test_append_elemenbt_kwargs(self):
+ int_field_class = self._tc.create_signed_integer_field_class(32)
+ self._append_element_method(self._fc, name='int32', field_class=int_field_class)
field_class = self._fc['int32']
- self.assertEqual(field_class, int_field_class)
+ self.assertEqual(field_class.addr, int_field_class.addr)
+
+ def test_append_element_invalid_name(self):
+ sub_fc = self._tc.create_string_field_class()
- def test_append_field_invalid_name(self):
with self.assertRaises(TypeError):
- self._fc.append_field(23, bt2.StringFieldClass())
+ self._append_element_method(self._fc, 23, sub_fc)
- def test_append_field_invalid_field_class(self):
+ def test_append_element_invalid_field_class(self):
with self.assertRaises(TypeError):
- self._fc.append_field('yes', object())
+ self._append_element_method(self._fc, 'yes', object())
def test_iadd(self):
- struct_fc = bt2.StructureFieldClass()
- c_field_class = bt2.StringFieldClass()
- d_field_class = bt2.EnumerationFieldClass(size=32)
- e_field_class = bt2.StructureFieldClass()
- struct_fc.append_field('c_string', c_field_class)
- struct_fc.append_field('d_enum', d_field_class)
- struct_fc.append_field('e_struct', e_field_class)
- a_field_class = bt2.FloatingPointNumberFieldClass()
- b_field_class = bt2.IntegerFieldClass(17)
- self._fc.append_field('a_float', a_field_class)
- self._fc.append_field('b_int', b_field_class)
+ struct_fc = self._tc.create_structure_field_class()
+ c_field_class = self._tc.create_string_field_class()
+ d_field_class = self._tc.create_signed_enumeration_field_class(field_value_range=32)
+ e_field_class = self._tc.create_structure_field_class()
+ self._append_element_method(struct_fc, 'c_string', c_field_class)
+ self._append_element_method(struct_fc, 'd_enum', d_field_class)
+ self._append_element_method(struct_fc, 'e_struct', e_field_class)
+ a_field_class = self._tc.create_real_field_class()
+ b_field_class = self._tc.create_signed_integer_field_class(17)
+ self._append_element_method(self._fc, 'a_float', a_field_class)
+ self._append_element_method(self._fc, 'b_int', b_field_class)
self._fc += struct_fc
- self.assertEqual(self._fc['a_float'], a_field_class)
- self.assertEqual(self._fc['b_int'], b_field_class)
- self.assertEqual(self._fc['c_string'], c_field_class)
- self.assertEqual(self._fc['d_enum'], d_field_class)
- self.assertEqual(self._fc['e_struct'], e_field_class)
+ self.assertEqual(self._fc['a_float'].addr, a_field_class.addr)
+ self.assertEqual(self._fc['b_int'].addr, b_field_class.addr)
+ self.assertEqual(self._fc['c_string'].addr, c_field_class.addr)
+ self.assertEqual(self._fc['d_enum'].addr, d_field_class.addr)
+ self.assertEqual(self._fc['e_struct'].addr, e_field_class.addr)
def test_bool_op(self):
self.assertFalse(self._fc)
- self._fc.append_field('a', bt2.StringFieldClass())
+ self._append_element_method(self._fc, 'a', self._tc.create_string_field_class())
self.assertTrue(self._fc)
def test_len(self):
- fc = bt2.StringFieldClass()
- self._fc.append_field('a', fc)
- self._fc.append_field('b', fc)
- self._fc.append_field('c', fc)
+ fc = self._tc.create_string_field_class()
+ self._append_element_method(self._fc, 'a', fc)
+ self._append_element_method(self._fc, 'b', fc)
+ self._append_element_method(self._fc, 'c', fc)
self.assertEqual(len(self._fc), 3)
def test_getitem(self):
- a_fc = bt2.IntegerFieldClass(32)
- b_fc = bt2.StringFieldClass()
- c_fc = bt2.FloatingPointNumberFieldClass()
- self._fc.append_field('a', a_fc)
- self._fc.append_field('b', b_fc)
- self._fc.append_field('c', c_fc)
- self.assertEqual(self._fc['b'], b_fc)
+ a_fc = self._tc.create_signed_integer_field_class(32)
+ b_fc = self._tc.create_string_field_class()
+ c_fc = self._tc.create_real_field_class()
+ self._append_element_method(self._fc, 'a', a_fc)
+ self._append_element_method(self._fc, 'b', b_fc)
+ self._append_element_method(self._fc, 'c', c_fc)
+ self.assertEqual(self._fc['b'].addr, b_fc.addr)
def test_getitem_invalid_key_type(self):
with self.assertRaises(TypeError):
def test_contains(self):
self.assertFalse('a' in self._fc)
- self._fc.append_field('a', bt2.StringFieldClass())
+ self._append_element_method(self._fc, 'a', self._tc.create_string_field_class())
self.assertTrue('a' in self._fc)
def test_iter(self):
- a_fc = bt2.IntegerFieldClass(32)
- b_fc = bt2.StringFieldClass()
- c_fc = bt2.FloatingPointNumberFieldClass()
+ a_fc = self._tc.create_signed_integer_field_class(32)
+ b_fc = self._tc.create_string_field_class()
+ c_fc = self._tc.create_real_field_class()
fields = (
('a', a_fc),
('b', b_fc),
)
for field in fields:
- self._fc.append_field(*field)
+ self._append_element_method(self._fc, *field)
for (name, fc_field_class), field in zip(self._fc.items(), fields):
self.assertEqual(name, field[0])
- self.assertEqual(fc_field_class, field[1])
+ self.assertEqual(fc_field_class.addr, field[1].addr)
def test_at_index(self):
- a_fc = bt2.IntegerFieldClass(32)
- b_fc = bt2.StringFieldClass()
- c_fc = bt2.FloatingPointNumberFieldClass()
- self._fc.append_field('c', c_fc)
- self._fc.append_field('a', a_fc)
- self._fc.append_field('b', b_fc)
- self.assertEqual(self._fc.at_index(1), a_fc)
+ a_fc = self._tc.create_signed_integer_field_class(32)
+ b_fc = self._tc.create_string_field_class()
+ c_fc = self._tc.create_real_field_class()
+ self._append_element_method(self._fc, 'c', c_fc)
+ self._append_element_method(self._fc, 'a', a_fc)
+ self._append_element_method(self._fc, 'b', b_fc)
+ self.assertEqual(self._at_index_method(self._fc, 1).addr, a_fc.addr)
def test_at_index_invalid(self):
- self._fc.append_field('c', bt2.IntegerFieldClass(32))
+ self._append_element_method(self._fc, 'c', self._tc.create_signed_integer_field_class(32))
with self.assertRaises(TypeError):
- self._fc.at_index('yes')
+ self._at_index_method(self._fc, 'yes')
def test_at_index_out_of_bounds_after(self):
- self._fc.append_field('c', bt2.IntegerFieldClass(32))
+ self._append_element_method(self._fc, 'c', self._tc.create_signed_integer_field_class(32))
with self.assertRaises(IndexError):
- self._fc.at_index(len(self._fc))
+ self._at_index_method(self._fc, len(self._fc))
-@unittest.skip("this is broken")
class StructureFieldClassTestCase(_TestFieldContainer, unittest.TestCase):
def setUp(self):
- self._fc = bt2.StructureFieldClass()
+ self._append_element_method = bt2.field_class._StructureFieldClass.append_member
+ self._at_index_method = bt2.field_class._StructureFieldClass.member_at_index
+ self._tc = get_default_trace_class()
+ self._fc = self._tc.create_structure_field_class()
+
+ def test_create_default(self):
+ self.assertIsNotNone(self._fc)
- def tearDown(self):
- del self._fc
+
+class VariantFieldClassTestCase(_TestFieldContainer, unittest.TestCase):
+ def setUp(self):
+ self._append_element_method = bt2.field_class._VariantFieldClass.append_option
+ self._at_index_method = bt2.field_class._VariantFieldClass.option_at_index
+ self._tc = get_default_trace_class()
+ self._fc = self._tc.create_variant_field_class()
def test_create_default(self):
- self.assertEqual(self._fc.alignment, 1)
+ fc = self._tc.create_variant_field_class()
- def test_create_with_min_alignment(self):
- fc = bt2.StructureFieldClass(8)
- self.assertEqual(fc.alignment, 8)
+ self.assertIsNone(fc.selector_field_path)
- def test_assign_alignment(self):
- with self.assertRaises(AttributeError):
- self._fc.alignment = 32
+ def _create_field_class_for_field_path_test(self):
+ # Create something equivalent to:
+ #
+ # struct outer_struct_fc {
+ # real foo;
+ # struct inner_struct_fc {
+ # enum { first = 1, second = 2..434 } selector;
+ # string bar;
+ # string baz;
+ # variant<selector> {
+ # real a;
+ # int21_t b;
+ # uint34_t c;
+ # } variant;
+ # } inner_struct[2];
+ # };
+ selector_fc = self._tc.create_unsigned_enumeration_field_class(field_value_range=42)
+ selector_fc.map_range('first', 1)
+ selector_fc.map_range('second', 2, 434)
- def test_assign_min_alignment(self):
- self._fc.min_alignment = 64
- self.assertTrue(self._fc.alignment >= 64)
+ fc = self._tc.create_variant_field_class(selector_fc)
+ fc.append_option('a', self._tc.create_real_field_class())
+ fc.append_option('b', self._tc.create_signed_integer_field_class(21))
+ fc.append_option('c', self._tc.create_unsigned_integer_field_class(34))
- def test_assign_invalid_min_alignment(self):
- with self.assertRaises(ValueError):
- self._fc.min_alignment = 23
+ foo_fc = self._tc.create_real_field_class()
+ bar_fc = self._tc.create_string_field_class()
+ baz_fc = self._tc.create_string_field_class()
- def test_assign_get_min_alignment(self):
- with self.assertRaises(AttributeError):
- self._fc.min_alignment
+ inner_struct_fc = self._tc.create_structure_field_class()
+ inner_struct_fc.append_member('selector', selector_fc)
+ inner_struct_fc.append_member('bar', bar_fc)
+ inner_struct_fc.append_member('baz', baz_fc)
+ inner_struct_fc.append_member('variant', fc)
- def test_create_field(self):
- field = self._fc()
- self.assertIsInstance(field, bt2.field._StructureField)
+ inner_struct_array_fc = self._tc.create_static_array_field_class(inner_struct_fc, 2)
- def test_create_field_init_invalid(self):
- with self.assertRaises(bt2.Error):
- field = self._fc(23)
+ outer_struct_fc = self._tc.create_structure_field_class()
+ outer_struct_fc.append_member('foo', foo_fc)
+ outer_struct_fc.append_member('inner_struct', inner_struct_array_fc)
+ # The path to the selector field is resolved when the sequence is
+ # actually used, for example in a packet context.
+ self._tc.create_stream_class(packet_context_field_class=outer_struct_fc)
-@unittest.skip("this is broken")
-class VariantFieldClassTestCase(_TestFieldContainer, unittest.TestCase):
- def setUp(self):
- self._fc = bt2.VariantFieldClass('path.to.tag')
+ return fc
- def tearDown(self):
- del self._fc
+ def test_selector_field_path_length(self):
+ fc = self._create_field_class_for_field_path_test()
+ self.assertEqual(len(fc.selector_field_path), 3)
- def test_create_default(self):
- self.assertEqual(self._fc.tag_name, 'path.to.tag')
+ def test_selector_field_path_iter(self):
+ fc = self._create_field_class_for_field_path_test()
+ path_items = list(fc.selector_field_path)
- def test_create_invalid_tag_name(self):
- with self.assertRaises(TypeError):
- self._fc = bt2.VariantFieldClass(23)
+ self.assertEqual(len(path_items), 3)
- def test_assign_tag_name(self):
- self._fc.tag_name = 'a.different.tag'
- self.assertEqual(self._fc.tag_name, 'a.different.tag')
+ self.assertIsInstance(path_items[0], bt2.field_path._IndexFieldPathItem)
+ self.assertEqual(path_items[0].index, 1)
- def test_assign_invalid_tag_name(self):
- with self.assertRaises(TypeError):
- self._fc.tag_name = -17
+ self.assertIsInstance(path_items[1], bt2.field_path._CurrentArrayElementFieldPathItem)
+ self.assertIsInstance(path_items[2], bt2.field_path._IndexFieldPathItem)
+ self.assertEqual(path_items[2].index, 0)
-@unittest.skip("this is broken")
-class ArrayFieldClassTestCase(_TestInvalidEq, _TestCopySimple,
- unittest.TestCase):
- def setUp(self):
- self._elem_fc = bt2.IntegerFieldClass(23)
- self._fc = bt2.ArrayFieldClass(self._elem_fc, 45)
+ def test_selector_field_path_root_scope(self):
+ fc = self._create_field_class_for_field_path_test()
+ self.assertEqual(fc.selector_field_path.root_scope, bt2.field_path.Scope.PACKET_CONTEXT)
- def tearDown(self):
- del self._fc
- del self._elem_fc
+
+class StaticArrayFieldClassTestCase(unittest.TestCase):
+ def setUp(self):
+ self._tc = get_default_trace_class()
+ self._elem_fc = self._tc.create_signed_integer_field_class(23)
def test_create_default(self):
- self.assertEqual(self._fc.element_field_class, self._elem_fc)
- self.assertEqual(self._fc.length, 45)
+ fc = self._tc.create_static_array_field_class(self._elem_fc, 45)
+ self.assertEqual(fc.element_field_class.addr, self._elem_fc.addr)
+ self.assertEqual(fc.length, 45)
- def test_create_invalid_field_class(self):
+ def test_create_invalid_elem_field_class(self):
with self.assertRaises(TypeError):
- self._fc = bt2.ArrayFieldClass(object(), 45)
+ self._tc.create_static_array_field_class(object(), 45)
def test_create_invalid_length(self):
with self.assertRaises(ValueError):
- self._fc = bt2.ArrayFieldClass(bt2.StringFieldClass(), -17)
+ self._tc.create_static_array_field_class(self._tc.create_string_field_class(), -17)
def test_create_invalid_length_type(self):
with self.assertRaises(TypeError):
- self._fc = bt2.ArrayFieldClass(bt2.StringFieldClass(), 'the length')
+ self._tc.create_static_array_field_class(self._tc.create_string_field_class(), 'the length')
+
+
+class DynamicArrayFieldClassTestCase(unittest.TestCase):
+ def setUp(self):
+ self._tc = get_default_trace_class()
+ self._elem_fc = self._tc.create_signed_integer_field_class(23)
+ self._len_fc = self._tc.create_unsigned_integer_field_class(12)
- def test_create_field(self):
- field = self._fc()
- self.assertIsInstance(field, bt2.field._ArrayField)
+ def test_create_default(self):
+ fc = self._tc.create_dynamic_array_field_class(self._elem_fc)
+ self.assertEqual(fc.element_field_class.addr, self._elem_fc.addr)
+ self.assertIsNone(fc.length_field_path, None)
- def test_create_field_init_invalid(self):
- with self.assertRaises(bt2.Error):
- field = self._fc(23)
+ def _create_field_class_for_field_path_test(self):
+ # Create something a field class that is equivalent to:
+ #
+ # struct outer_struct_fc {
+ # real foo;
+ # struct inner_struct_fc {
+ # string bar;
+ # string baz;
+ # uint12_t len;
+ # uint23_t dyn_array[len];
+ # } inner_struct[2];
+ # };
+ fc = self._tc.create_dynamic_array_field_class(self._elem_fc, self._len_fc)
-@unittest.skip("this is broken")
-class SequenceFieldClassTestCase(_TestInvalidEq, _TestCopySimple,
- unittest.TestCase):
- def setUp(self):
- self._elem_fc = bt2.IntegerFieldClass(23)
- self._fc = bt2.SequenceFieldClass(self._elem_fc, 'the.length')
+ foo_fc = self._tc.create_real_field_class()
+ bar_fc = self._tc.create_string_field_class()
+ baz_fc = self._tc.create_string_field_class()
- def tearDown(self):
- del self._fc
- del self._elem_fc
+ inner_struct_fc = self._tc.create_structure_field_class()
+ inner_struct_fc.append_member('bar', bar_fc)
+ inner_struct_fc.append_member('baz', baz_fc)
+ inner_struct_fc.append_member('len', self._len_fc)
+ inner_struct_fc.append_member('dyn_array', fc)
- def test_create_default(self):
- self.assertEqual(self._fc.element_field_class, self._elem_fc)
- self.assertEqual(self._fc.length_name, 'the.length')
+ inner_struct_array_fc = self._tc.create_static_array_field_class(inner_struct_fc, 2)
+
+ outer_struct_fc = self._tc.create_structure_field_class()
+ outer_struct_fc.append_member('foo', foo_fc)
+ outer_struct_fc.append_member('inner_struct', inner_struct_array_fc)
+
+ # The path to the length field is resolved when the sequence is
+ # actually used, for example in a packet context.
+ self._tc.create_stream_class(packet_context_field_class=outer_struct_fc)
+
+ return fc
+
+ def test_field_path_len(self):
+ fc = self._create_field_class_for_field_path_test()
+ self.assertEqual(len(fc.length_field_path), 3)
+
+ def test_field_path_iter(self):
+ fc = self._create_field_class_for_field_path_test()
+ path_items = list(fc.length_field_path)
+
+ self.assertEqual(len(path_items), 3)
+
+ self.assertIsInstance(path_items[0], bt2.field_path._IndexFieldPathItem)
+ self.assertEqual(path_items[0].index, 1)
+
+ self.assertIsInstance(path_items[1], bt2.field_path._CurrentArrayElementFieldPathItem)
+
+ self.assertIsInstance(path_items[2], bt2.field_path._IndexFieldPathItem)
+ self.assertEqual(path_items[2].index, 2)
+
+ def test_field_path_root_scope(self):
+ fc = self._create_field_class_for_field_path_test()
+ self.assertEqual(fc.length_field_path.root_scope, bt2.field_path.Scope.PACKET_CONTEXT)
def test_create_invalid_field_class(self):
with self.assertRaises(TypeError):
- self._fc = bt2.ArrayFieldClass(object(), 'the.length')
+ self._tc.create_dynamic_array_field_class(object())
def test_create_invalid_length_type(self):
with self.assertRaises(TypeError):
- self._fc = bt2.SequenceFieldClass(bt2.StringFieldClass(), 17)
+ self._tc.create_dynamic_array_field_class(self._tc.create_string_field_class(), 17)
- def test_create_field(self):
- field = self._fc()
- self.assertIsInstance(field, bt2.field._SequenceField)
- def test_create_field_init_invalid(self):
- with self.assertRaises(bt2.Error):
- field = self._fc(23)
+if __name__ == "__main__":
+ unittest.main()
projects / babeltrace.git / commitdiff
