tests: refactor / simplify

Author: iMichka

tests/test_gccxml10184.py

@@ -3,9 +3,7 @@
 # Distributed under the Boost Software License, Version 1.0.
 # See http://www.boost.org/LICENSE_1_0.txt
 
-import unittest
-
-from . import parser_test_case
+from . import autoconfig
 
 from pygccxml import parser
 from pygccxml import declarations
@@ -20,29 +18,9 @@ class A {
 };
 """
 
-
-class Test(parser_test_case.parser_test_case_t):
-
-    def __init__(self, *args):
-        parser_test_case.parser_test_case_t.__init__(self, *args)
-
-    def test(self):
-        decls = parser.parse_string(code, self.config)
-        global_ns = declarations.get_global_namespace(decls)
-        self.assertTrue(global_ns.variable('a').bits == 1)
-        self.assertTrue(global_ns.variable('unused').bits == 31)
-
-
-def create_suite():
-    suite = unittest.TestSuite()
-    suite.addTest(
-        unittest.TestLoader().loadTestsFromTestCase(testCaseClass=Test))
-    return suite
-
-
-def run_suite():
-    unittest.TextTestRunner(verbosity=2).run(create_suite())
-
-
-if __name__ == "__main__":
-    run_suite()
+def test_gccxml_10184():
+    config = autoconfig.cxx_parsers_cfg.config.clone()
+    decls = parser.parse_string(code, config)
+    global_ns = declarations.get_global_namespace(decls)
+    assert global_ns.variable('a').bits == 1
+    assert global_ns.variable('unused').bits == 31

tests/test_gccxml10185.py

@@ -3,9 +3,9 @@
 # Distributed under the Boost Software License, Version 1.0.
 # See http://www.boost.org/LICENSE_1_0.txt
 
-import unittest
+import pytest
 
-from . import parser_test_case
+from . import autoconfig
 
 from pygccxml import parser
 from pygccxml import declarations
@@ -18,43 +18,23 @@
 """
 
 
-class Test(parser_test_case.parser_test_case_t):
-
-    def __init__(self, *args):
-        parser_test_case.parser_test_case_t.__init__(self, *args)
-
-    def test(self):
-        """
-        The purpose of this test was to check if changes to GCCXML
-        would lead to changes in the outputted xml file (Meaning
-        the bug was fixed).
-
-        GCCXML wrongly outputted partial template specialization.
-        CastXML does not have this bug. In this case we check if
-        the template specialization can not be found; which is the
-        expected/wanted behaviour.
-
-        https://github.com/CastXML/CastXML/issues/20
-
-        """
-
-        decls = parser.parse_string(code, self.config)
-        global_ns = declarations.get_global_namespace(decls)
-        self.assertRaises(
-            declarations.declaration_not_found_t,
-            lambda: global_ns.class_('A<const char [N]>'))
-
-
-def create_suite():
-    suite = unittest.TestSuite()
-    suite.addTest(
-        unittest.TestLoader().loadTestsFromTestCase(testCaseClass=Test))
-    return suite
+def test_partial_template():
+    """
+    The purpose of this test was to check if changes to GCCXML
+    would lead to changes in the outputted xml file (Meaning
+    the bug was fixed).
 
+    GCCXML wrongly outputted partial template specialization.
+    CastXML does not have this bug. In this case we check if
+    the template specialization can not be found; which is the
+    expected/wanted behaviour.
 
-def run_suite():
-    unittest.TextTestRunner(verbosity=2).run(create_suite())
+    https://github.com/CastXML/CastXML/issues/20
 
+    """
 
-if __name__ == "__main__":
-    run_suite()
+    config = autoconfig.cxx_parsers_cfg.config.clone()
+    decls = parser.parse_string(code, config)
+    global_ns = declarations.get_global_namespace(decls)
+    with pytest.raises(declarations.declaration_not_found_t):
+        global_ns.class_('A<const char [N]>')

tests/test_has_binary_operator_traits.py

@@ -3,72 +3,45 @@
 # Distributed under the Boost Software License, Version 1.0.
 # See http://www.boost.org/LICENSE_1_0.txt
 
-import unittest
+import pytest
 
-from . import parser_test_case
+from . import autoconfig
 
 from pygccxml import parser
 from pygccxml import declarations
 
+TEST_FILES = ["has_public_binary_operator_traits.hpp"]
 
-class Test(parser_test_case.parser_test_case_t):
-    COMPILATION_MODE = parser.COMPILATION_MODE.ALL_AT_ONCE
-    global_ns = None
-
-    def __init__(self, *args):
-        parser_test_case.parser_test_case_t.__init__(self, *args)
-        self.header = 'has_public_binary_operator_traits.hpp'
-        self.global_ns = None
-
-    def setUp(self):
-        if not Test.global_ns:
-            decls = parser.parse([self.header], self.config)
-            Test.global_ns = declarations.get_global_namespace(decls)
-        self.global_ns = Test.global_ns
 
-    def test_yes_equal(self):
-        yes_ns = self.global_ns.namespace('yesequal')
-        for typedef in yes_ns.typedefs():
-            self.assertTrue(
-                declarations.has_public_equal(typedef),
-                "Class '%s' should have public operator==" %
-                typedef.decl_string)
-
-    def test_no_equal(self):
-        no_ns = self.global_ns.namespace('noequal')
-        for typedef in no_ns.typedefs():
-            self.assertTrue(
-                not declarations.has_public_equal(typedef),
-                "Class '%s' should not have public operator==" %
-                typedef.decl_string)
+@pytest.fixture
+def global_ns():
+    COMPILATION_MODE = parser.COMPILATION_MODE.ALL_AT_ONCE
+    config = autoconfig.cxx_parsers_cfg.config.clone()
+    decls = parser.parse(TEST_FILES, config, COMPILATION_MODE)
+    global_ns = declarations.get_global_namespace(decls)
+    global_ns.init_optimizer()
+    return global_ns
 
-    def test_yes_less(self):
-        yes_ns = self.global_ns.namespace('yesless')
-        for typedef in yes_ns.typedefs():
-            self.assertTrue(
-                declarations.has_public_less(typedef),
-                "Class '%s' should have public operator<" %
-                typedef.decl_string)
 
-    def test_no_less(self):
-        no_ns = self.global_ns.namespace('noless')
-        for typedef in no_ns.typedefs():
-            self.assertTrue(
-                not declarations.has_public_less(typedef),
-                "Class '%s' should not have public operator<" %
-                typedef.decl_string)
+def test_yes_equal(global_ns):
+    yes_ns = global_ns.namespace('yesequal')
+    for typedef in yes_ns.typedefs():
+        assert declarations.has_public_equal(typedef) is True
 
 
-def create_suite():
-    suite = unittest.TestSuite()
-    suite.addTest(
-        unittest.TestLoader().loadTestsFromTestCase(testCaseClass=Test))
-    return suite
+def test_no_equal(global_ns):
+    no_ns = global_ns.namespace('noequal')
+    for typedef in no_ns.typedefs():
+        assert declarations.has_public_equal(typedef) is False
 
 
-def run_suite():
-    unittest.TextTestRunner(verbosity=2).run(create_suite())
+def test_yes_less(global_ns):
+    yes_ns = global_ns.namespace('yesless')
+    for typedef in yes_ns.typedefs():
+        assert declarations.has_public_less(typedef)
 
 
-if __name__ == "__main__":
-    run_suite()
+def test_no_less(global_ns):
+    no_ns = global_ns.namespace('noless')
+    for typedef in no_ns.typedefs():
+        assert declarations.has_public_less(typedef) is False

tests/test_hash.py

@@ -3,69 +3,62 @@
 # Distributed under the Boost Software License, Version 1.0.
 # See http://www.boost.org/LICENSE_1_0.txt
 
-import sys
-import unittest
 import inspect
 
 from pygccxml import declarations
 
 
-class Test(unittest.TestCase):
+def test_types_hashes():
+    """
+    Test if all the type_t instances implement a hash method.
 
-    def test_types_hashes(self):
-        """
-        Test if all the type_t instances implement a hash method.
+    The hash is part of the public API, as there are multiple tools
+    that rely on it to compare type_t instances.
 
-        The hash is part of the public API, as there are multiple tools
-        that rely on it to compare type_t instances.
+    The best way to test this is to instanciate dummy type_t objects
+    for each class that subclasses type_t, and check that the hash of
+    these objects is not None.
 
-        The best way to test this is to instanciate dummy type_t objects
-        for each class that subclasses type_t, and check that the hash of
-        these objects is not None.
+    """
 
-        """
+    members = inspect.getmembers(declarations, inspect.isclass)
+    for member in members:
+        member_type = member[1]
+        is_type_t_subclass = issubclass(member_type, declarations.type_t)
+        is_not_type_t = member_type != declarations.type_t
+        if is_type_t_subclass and is_not_type_t:
+            type_mockup = _create_type_t_mockup(member_type)
+            assert hash(type_mockup) is not None
 
-        if sys.version_info[:2] == (2, 7):
-            # _create_type_t_mockup calls inspect.signature, which does not
-            # exist for legacy Python
-            return
 
-        members = inspect.getmembers(declarations, inspect.isclass)
-        for member in members:
-            member_type = member[1]
-            is_type_t_subclass = issubclass(member_type, declarations.type_t)
-            is_not_type_t = member_type != declarations.type_t
-            if is_type_t_subclass and is_not_type_t:
-                type_mockup = _create_type_t_mockup(member_type)
-                self.assertIsNotNone(hash(type_mockup))
+def test_declarations_hashes():
+    """
+    Test if all the declaration_t instances implement a hash method.
 
-    def test_declarations_hashes(self):
-        """
-        Test if all the declaration_t instances implement a hash method.
+    The hash is part of the public API, as there are multiple tools
+    that rely on it to compare declaration_t instances.
 
-        The hash is part of the public API, as there are multiple tools
-        that rely on it to compare declaration_t instances.
+    The best way to test this is to instanciate dummy declaration_t objects
+    for each class that subclasses declaration_t, and check that the hash
+    of these objects is not None.
 
-        The best way to test this is to instanciate dummy declaration_t objects
-        for each class that subclasses declaration_t, and check that the hash
-        of these objects is not None.
+    """
+    members = inspect.getmembers(declarations, inspect.isclass)
+    for member in members:
+        member_type = member[1]
+        if issubclass(member_type, declarations.declaration_t):
+            assert hash(member_type()) is not None
 
-        """
-        members = inspect.getmembers(declarations, inspect.isclass)
-        for member in members:
-            member_type = member[1]
-            if issubclass(member_type, declarations.declaration_t):
-                self.assertIsNotNone(hash(member_type()))
 
-    def test_type_qualifiers_t_hash(self):
-        """
-        Test if the type_qualifiers_t instance implements a hash method.
+def test_type_qualifiers_t_hash():
+    """
+    Test if the type_qualifiers_t instance implements a hash method.
 
-        The hash is part of the public API, as there are multiple tools
-        that rely on it to compare type_qualifiers_t instances.
+    The hash is part of the public API, as there are multiple tools
+    that rely on it to compare type_qualifiers_t instances.
 
-        """
-        self.assertIsNotNone(hash(declarations.type_qualifiers_t()))
+    """
+    assert hash(declarations.type_qualifiers_t()) is not None
 
 
 def _create_type_t_mockup(member_type):
@@ -91,18 +84,3 @@ def __init__(self):
 
     def build_decl_string(self, with_defaults=False):
         return self._decl_string
-
-
-def create_suite():
-    suite = unittest.TestSuite()
-    suite.addTest(
-        unittest.TestLoader().loadTestsFromTestCase(testCaseClass=Test))
-    return suite
-
-
-def run_suite():
-    unittest.TextTestRunner(verbosity=2).run(create_suite())
-
-
-if __name__ == "__main__":
-    run_suite()