Move to kernel style SPDX license identifiers
[babeltrace.git] / tests / bindings / python / bt2 / test_stream_class.py
index 33bae5322298ef837a37ed6664967076ebe7eb62..9010dcd4c7d68e6755f26a8e7488358b6def47c2 100644 (file)
@@ -1,20 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Copyright (C) 2019 EfficiOS Inc.
 #
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; only version 2
-# of the License.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-#
 
 import unittest
 from utils import run_in_component_init
@@ -59,9 +46,11 @@ class StreamClassTestCase(unittest.TestCase):
         self.assertEqual(sc.name, 'bozo')
 
     def test_create_invalid_name(self):
-        with self.assertRaises(TypeError):
+        with self.assertRaisesRegex(TypeError, "'int' is not a 'str' object"):
             self._tc.create_stream_class(name=17)
 
+        self.assertEqual(len(self._tc), 0)
+
     def test_create_packet_context_field_class(self):
         fc = self._tc.create_structure_field_class()
         sc = self._tc.create_stream_class(
@@ -73,15 +62,27 @@ class StreamClassTestCase(unittest.TestCase):
         )
 
     def test_create_invalid_packet_context_field_class(self):
-        with self.assertRaises(TypeError):
-            self._tc.create_stream_class(packet_context_field_class=22)
+        with self.assertRaisesRegex(
+            TypeError,
+            "'int' is not a '<class 'bt2.field_class._StructureFieldClass'>' object",
+        ):
+            self._tc.create_stream_class(
+                packet_context_field_class=22, supports_packets=True
+            )
+
+        self.assertEqual(len(self._tc), 0)
 
     def test_create_invalid_packet_context_field_class_no_packets(self):
         fc = self._tc.create_structure_field_class()
 
-        with self.assertRaises(ValueError):
+        with self.assertRaisesRegex(
+            ValueError,
+            "cannot have a packet context field class without supporting packets",
+        ):
             self._tc.create_stream_class(packet_context_field_class=fc)
 
+        self.assertEqual(len(self._tc), 0)
+
     def test_create_event_common_context_field_class(self):
         fc = self._tc.create_structure_field_class()
         sc = self._tc.create_stream_class(event_common_context_field_class=fc)
@@ -92,30 +93,48 @@ class StreamClassTestCase(unittest.TestCase):
         )
 
     def test_create_invalid_event_common_context_field_class(self):
-        with self.assertRaises(TypeError):
+        with self.assertRaisesRegex(
+            TypeError,
+            "'int' is not a '<class 'bt2.field_class._StructureFieldClass'>' object",
+        ):
             self._tc.create_stream_class(event_common_context_field_class=22)
 
+        self.assertEqual(len(self._tc), 0)
+
     def test_create_default_clock_class(self):
         sc = self._tc.create_stream_class(default_clock_class=self._cc)
         self.assertEqual(sc.default_clock_class.addr, self._cc.addr)
         self.assertIs(type(sc.default_clock_class), bt2_clock_class._ClockClass)
 
     def test_create_invalid_default_clock_class(self):
-        with self.assertRaises(TypeError):
+        with self.assertRaisesRegex(
+            TypeError, "'int' is not a '<class 'bt2.clock_class._ClockClass'>' object"
+        ):
             self._tc.create_stream_class(default_clock_class=12)
 
+        self.assertEqual(len(self._tc), 0)
+
     def test_create_user_attributes(self):
         sc = self._tc.create_stream_class(user_attributes={'salut': 23})
         self.assertEqual(sc.user_attributes, {'salut': 23})
 
     def test_create_invalid_user_attributes(self):
-        with self.assertRaises(TypeError):
+        with self.assertRaisesRegex(
+            TypeError, "cannot create value object from 'object' object"
+        ):
             self._tc.create_stream_class(user_attributes=object())
 
+        self.assertEqual(len(self._tc), 0)
+
     def test_create_invalid_user_attributes_value_type(self):
-        with self.assertRaises(TypeError):
+        with self.assertRaisesRegex(
+            TypeError,
+            "'SignedIntegerValue' is not a '<class 'bt2.value.MapValue'>' object",
+        ):
             self._tc.create_stream_class(user_attributes=23)
 
+        self.assertEqual(len(self._tc), 0)
+
     def test_automatic_stream_ids(self):
         sc = self._tc.create_stream_class(assigns_automatic_stream_id=True)
         self.assertTrue(sc.assigns_automatic_stream_id)
@@ -127,9 +146,19 @@ class StreamClassTestCase(unittest.TestCase):
         sc = self._tc.create_stream_class(assigns_automatic_stream_id=True)
         self.assertTrue(sc.assigns_automatic_stream_id)
 
-        with self.assertRaises(ValueError):
+        with self.assertRaisesRegex(
+            ValueError, "id provided, but stream class assigns automatic stream ids"
+        ):
             self._trace.create_stream(sc, id=123)
 
+        self.assertEqual(len(self._trace), 0)
+
+    def test_automatic_stream_ids_wrong_type(self):
+        with self.assertRaisesRegex(TypeError, "str' is not a 'bool' object"):
+            self._tc.create_stream_class(assigns_automatic_stream_id='True')
+
+        self.assertEqual(len(self._tc), 0)
+
     def test_no_automatic_stream_ids(self):
         sc = self._tc.create_stream_class(assigns_automatic_stream_id=False)
         self.assertFalse(sc.assigns_automatic_stream_id)
@@ -141,9 +170,14 @@ class StreamClassTestCase(unittest.TestCase):
         sc = self._tc.create_stream_class(assigns_automatic_stream_id=False)
         self.assertFalse(sc.assigns_automatic_stream_id)
 
-        with self.assertRaises(ValueError):
+        with self.assertRaisesRegex(
+            ValueError,
+            "id not provided, but stream class does not assign automatic stream ids",
+        ):
             self._trace.create_stream(sc)
 
+        self.assertEqual(len(self._trace), 0)
+
     def test_automatic_event_class_ids(self):
         sc = self._tc.create_stream_class(assigns_automatic_event_class_id=True)
         self.assertTrue(sc.assigns_automatic_event_class_id)
@@ -155,9 +189,20 @@ class StreamClassTestCase(unittest.TestCase):
         sc = self._tc.create_stream_class(assigns_automatic_event_class_id=True)
         self.assertTrue(sc.assigns_automatic_event_class_id)
 
-        with self.assertRaises(ValueError):
+        with self.assertRaisesRegex(
+            ValueError,
+            "id provided, but stream class assigns automatic event class ids",
+        ):
             sc.create_event_class(id=123)
 
+        self.assertEqual(len(sc), 0)
+
+    def test_automatic_event_class_ids_wrong_type(self):
+        with self.assertRaisesRegex(TypeError, "'str' is not a 'bool' object"):
+            self._tc.create_stream_class(assigns_automatic_event_class_id='True')
+
+        self.assertEqual(len(self._tc), 0)
+
     def test_no_automatic_event_class_ids(self):
         sc = self._tc.create_stream_class(assigns_automatic_event_class_id=False)
         self.assertFalse(sc.assigns_automatic_event_class_id)
@@ -169,9 +214,14 @@ class StreamClassTestCase(unittest.TestCase):
         sc = self._tc.create_stream_class(assigns_automatic_event_class_id=False)
         self.assertFalse(sc.assigns_automatic_event_class_id)
 
-        with self.assertRaises(ValueError):
+        with self.assertRaisesRegex(
+            ValueError,
+            "id not provided, but stream class does not assign automatic event class ids",
+        ):
             sc.create_event_class()
 
+        self.assertEqual(len(sc), 0)
+
     def test_supports_packets_without_cs(self):
         sc = self._tc.create_stream_class(
             default_clock_class=self._cc, supports_packets=True
@@ -201,38 +251,54 @@ class StreamClassTestCase(unittest.TestCase):
         self.assertTrue(sc.packets_have_end_default_clock_snapshot)
 
     def test_supports_packets_raises_type_error(self):
-        with self.assertRaises(TypeError):
+        with self.assertRaisesRegex(TypeError, "'int' is not a 'bool' object"):
             self._tc.create_stream_class(
                 default_clock_class=self._cc, supports_packets=23
             )
 
+        self.assertEqual(len(self._tc), 0)
+
     def test_packets_have_begin_default_cs_raises_type_error(self):
-        with self.assertRaises(TypeError):
+        with self.assertRaisesRegex(TypeError, "'int' is not a 'bool' object"):
             self._tc.create_stream_class(
                 default_clock_class=self._cc,
                 packets_have_beginning_default_clock_snapshot=23,
             )
 
+        self.assertEqual(len(self._tc), 0)
+
     def test_packets_have_end_default_cs_raises_type_error(self):
-        with self.assertRaises(TypeError):
+        with self.assertRaisesRegex(TypeError, "'int' is not a 'bool' object"):
             self._tc.create_stream_class(
                 default_clock_class=self._cc, packets_have_end_default_clock_snapshot=23
             )
 
+        self.assertEqual(len(self._tc), 0)
+
     def test_does_not_support_packets_raises_with_begin_cs(self):
-        with self.assertRaises(ValueError):
+        with self.assertRaisesRegex(
+            ValueError,
+            "cannot not support packets, but have packet beginning default clock snapshot",
+        ):
             self._tc.create_stream_class(
                 default_clock_class=self._cc,
                 packets_have_beginning_default_clock_snapshot=True,
             )
 
+        self.assertEqual(len(self._tc), 0)
+
     def test_does_not_support_packets_raises_with_end_cs(self):
-        with self.assertRaises(ValueError):
+        with self.assertRaisesRegex(
+            ValueError,
+            "cannot not support packets, but have packet end default clock snapshots",
+        ):
             self._tc.create_stream_class(
                 default_clock_class=self._cc,
                 packets_have_end_default_clock_snapshot=True,
             )
 
+        self.assertEqual(len(self._tc), 0)
+
     def test_supports_discarded_events_without_cs(self):
         sc = self._tc.create_stream_class(
             default_clock_class=self._cc, supports_discarded_events=True
@@ -250,25 +316,34 @@ class StreamClassTestCase(unittest.TestCase):
         self.assertTrue(sc.discarded_events_have_default_clock_snapshots)
 
     def test_supports_discarded_events_raises_type_error(self):
-        with self.assertRaises(TypeError):
+        with self.assertRaisesRegex(TypeError, "'int' is not a 'bool' object"):
             self._tc.create_stream_class(
                 default_clock_class=self._cc, supports_discarded_events=23
             )
 
+        self.assertEqual(len(self._tc), 0)
+
     def test_discarded_events_have_default_cs_raises_type_error(self):
-        with self.assertRaises(TypeError):
+        with self.assertRaisesRegex(TypeError, "'int' is not a 'bool' object"):
             self._tc.create_stream_class(
                 default_clock_class=self._cc,
                 discarded_events_have_default_clock_snapshots=23,
             )
 
+        self.assertEqual(len(self._tc), 0)
+
     def test_does_not_support_discarded_events_raises_with_cs(self):
-        with self.assertRaises(ValueError):
+        with self.assertRaisesRegex(
+            ValueError,
+            "cannot not support discarded events, but have default clock snapshots for discarded event messages",
+        ):
             self._tc.create_stream_class(
                 default_clock_class=self._cc,
                 discarded_events_have_default_clock_snapshots=True,
             )
 
+        self.assertEqual(len(self._tc), 0)
+
     def test_supports_discarded_packets_without_cs(self):
         sc = self._tc.create_stream_class(
             default_clock_class=self._cc,
@@ -289,35 +364,48 @@ class StreamClassTestCase(unittest.TestCase):
         self.assertTrue(sc.discarded_packets_have_default_clock_snapshots)
 
     def test_supports_discarded_packets_raises_without_packet_support(self):
-        with self.assertRaises(ValueError):
+        with self.assertRaisesRegex(
+            ValueError, "cannot support discarded packets, but not support packets"
+        ):
             self._tc.create_stream_class(
                 default_clock_class=self._cc, supports_discarded_packets=True
             )
 
+        self.assertEqual(len(self._tc), 0)
+
     def test_supports_discarded_packets_raises_type_error(self):
-        with self.assertRaises(TypeError):
+        with self.assertRaisesRegex(TypeError, "'int' is not a 'bool' object"):
             self._tc.create_stream_class(
                 default_clock_class=self._cc,
                 supports_discarded_packets=23,
                 supports_packets=True,
             )
 
+        self.assertEqual(len(self._tc), 0)
+
     def test_discarded_packets_have_default_cs_raises_type_error(self):
-        with self.assertRaises(TypeError):
+        with self.assertRaisesRegex(TypeError, "'int' is not a 'bool' object"):
             self._tc.create_stream_class(
                 default_clock_class=self._cc,
                 discarded_packets_have_default_clock_snapshots=23,
                 supports_packets=True,
             )
 
+        self.assertEqual(len(self._tc), 0)
+
     def test_does_not_support_discarded_packets_raises_with_cs(self):
-        with self.assertRaises(ValueError):
+        with self.assertRaisesRegex(
+            ValueError,
+            "cannot not support discarded packets, but have default clock snapshots for discarded packet messages",
+        ):
             self._tc.create_stream_class(
                 default_clock_class=self._cc,
                 discarded_packets_have_default_clock_snapshots=True,
                 supports_packets=True,
             )
 
+        self.assertEqual(len(self._tc), 0)
+
     def test_trace_class(self):
         sc = self._tc.create_stream_class()
         self.assertEqual(sc.trace_class.addr, self._tc.addr)
@@ -340,13 +428,13 @@ class StreamClassTestCase(unittest.TestCase):
     def test_getitem_wrong_key_type(self):
         sc, _, _ = self._create_stream_class_with_event_classes()
 
-        with self.assertRaises(TypeError):
+        with self.assertRaisesRegex(TypeError, "'str' is not an 'int' object"):
             sc['event23']
 
     def test_getitem_wrong_key(self):
         sc, _, _ = self._create_stream_class_with_event_classes()
 
-        with self.assertRaises(KeyError):
+        with self.assertRaisesRegex(KeyError, '19'):
             sc[19]
 
     def test_len(self):
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