tests: test eq and ne operators of fields and values against arbitrary objects and...

[babeltrace.git] / tests / bindings / python / bt2 / test_field.py

diff --git a/tests/bindings/python/bt2/test_field.py b/tests/bindings/python/bt2/test_field.py
index 2f4a7a76bac7031b647b680928aa27d4f90c9010..8252d5eb1c2e1f496bb9cf159e2ca82a100f2968 100644 (file)
--- a/tests/bindings/python/bt2/test_field.py
+++ b/tests/bindings/python/bt2/test_field.py
@@ -323,9 +323,8 @@ class _TestNumericField:
 
     # Tests that the binary operation `op`, when applied to `self._def`,
     # does not change its value.
-    @unittest.skip('copy is not implemented')
     def _test_binop_lhs_value_same(self, op, rhs):
-        value_before = copy.copy(self._def)
+        value_before = copy.copy(self._def_value)
         r, rv = self._binop(op, rhs)
         self.assertEqual(self._def, value_before)
 
@@ -344,22 +343,31 @@ class _TestNumericField:
     # `vint` and `vfloat` mean a signed integer value object and a real
     # value object.
 
-    def _test_binop_invalid_unknown(self, op):
-        if op in _COMP_BINOPS:
-            self.skipTest('not testing')
-
+    def _test_binop_unknown(self, op):
         class A:
             pass
 
-        with self.assertRaises(TypeError):
-            op(self._def, A())
-
-    def _test_binop_invalid_none(self, op):
-        if op in _COMP_BINOPS:
-            self.skipTest('not testing')
-
-        with self.assertRaises(TypeError):
-            op(self._def, None)
+        # Operators == and != are defined when comparing the field to an
+        # arbitrary object.
+        if op is operator.eq:
+            self.assertIs(op(self._def, A()), False)
+        elif op is operator.ne:
+            self.assertIs(op(self._def, A()), True)
+        else:
+            # But not other operators.
+            with self.assertRaises(TypeError):
+                op(self._def, A())
+
+    def _test_binop_none(self, op):
+        # Operators == and != are defined when comparing the field to None.
+        if op is operator.eq:
+            self.assertIs(op(self._def, None), False)
+        elif op is operator.ne:
+            self.assertIs(op(self._def, None), True)
+        else:
+            # But not other operators.
+            with self.assertRaises(TypeError):
+                op(self._def, None)
 
     def _test_binop_rhs_false(self, test_cb, op):
         test_cb(op, False)
@@ -726,13 +734,13 @@ def _inject_numeric_testing_methods(cls):
     for name, binop in _BINOPS:
         setattr(
             cls,
-            test_binop_name('invalid_unknown'),
-            partialmethod(_TestNumericField._test_binop_invalid_unknown, op=binop),
+            test_binop_name('unknown'),
+            partialmethod(_TestNumericField._test_binop_unknown, op=binop),
         )
         setattr(
             cls,
-            test_binop_name('invalid_none'),
-            partialmethod(_TestNumericField._test_binop_invalid_none, op=binop),
+            test_binop_name('none'),
+            partialmethod(_TestNumericField._test_binop_none, op=binop),
         )
         setattr(
             cls,