def test_array_type(self):
        array_types = [
            (False, False, -1),
            (False, False, 10),
            (True, False, -1),
            (True, True, -1),
            (False, True, -1),
            (False, True, 10),
        ]
        g = fidl_files_fidl.FidlFileGraph()
        t = mojom_translator.FileTranslator(g, None)

        for array_nullable, element_nullable, size in array_types:
            a = fidl_types_fidl.Type()
            a.array_type = fidl_types_fidl.ArrayType(nullable=array_nullable,
                                                     fixed_length=size)
            a.array_type.element_type = fidl_types_fidl.Type(
                string_type=fidl_types_fidl.StringType(
                    nullable=element_nullable))

            result = t.KindFromMojom(a)
            self.assertTrue(module.IsArrayKind(result))
            self.assertTrue(module.IsStringKind(result.kind))
            self.assertEquals(array_nullable, module.IsNullableKind(result))
            self.assertEquals(element_nullable,
                              module.IsNullableKind(result.kind))

            if size < 0:
                self.assertIsNone(result.length)
            else:
                self.assertEquals(size, result.length)
    def test_map_type(self):
        map_types = [
            (False, False),
            (True, False),
            (False, True),
            (True, True),
        ]
        g = fidl_files_fidl.FidlFileGraph()
        t = mojom_translator.FileTranslator(g, None)

        for map_nullable, value_nullable in map_types:
            m = fidl_types_fidl.Type()
            m.map_type = fidl_types_fidl.MapType(nullable=map_nullable)
            m.map_type.key_type = fidl_types_fidl.Type(
                string_type=fidl_types_fidl.StringType())
            m.map_type.value_type = fidl_types_fidl.Type(
                handle_type=fidl_types_fidl.HandleType(
                    kind=fidl_types_fidl.HandleType.Kind.VMO,
                    nullable=value_nullable))

            result = t.KindFromMojom(m)
            self.assertTrue(module.IsMapKind(result))
            self.assertTrue(module.IsStringKind(result.key_kind))
            self.assertTrue(module.IsVMOKind(result.value_kind))
            self.assertEquals(map_nullable, module.IsNullableKind(result))
            self.assertEquals(value_nullable,
                              module.IsNullableKind(result.value_kind))
    def test_unions(self):
        file_name = 'a.mojom'
        mojom_union = fidl_types_fidl.FidlUnion()
        mojom_union.decl_data = fidl_types_fidl.DeclarationData(
            short_name='AUnion',
            source_file_info=fidl_types_fidl.SourceFileInfo(
                file_name=file_name))

        field1 = fidl_types_fidl.UnionField(
            decl_data=fidl_types_fidl.DeclarationData(short_name='field1',
                                                      declaration_order=0,
                                                      declared_ordinal=7),
            type=fidl_types_fidl.Type(
                simple_type=fidl_types_fidl.SimpleType.BOOL),
            tag=7)
        field2 = fidl_types_fidl.UnionField(
            decl_data=fidl_types_fidl.DeclarationData(short_name='field2',
                                                      declaration_order=1),
            type=fidl_types_fidl.Type(
                simple_type=fidl_types_fidl.SimpleType.DOUBLE),
            tag=8)
        field3 = fidl_types_fidl.UnionField(
            decl_data=fidl_types_fidl.DeclarationData(short_name='field3',
                                                      declaration_order=2,
                                                      declared_ordinal=0),
            type=fidl_types_fidl.Type(
                simple_type=fidl_types_fidl.SimpleType.INT32),
            tag=0)

        mojom_union.fields = [field3, field1, field2]
        # mojom_fields_declaration_order lists, in declaration order, the indices
        # of the fields in mojom_union.fields
        mojom_fields_declaration_order = [1, 2, 0]

        graph = fidl_files_fidl.FidlFileGraph()
        union = module.Union()
        translator = mojom_translator.FileTranslator(graph, file_name)
        translator.UnionFromMojom(
            union, fidl_types_fidl.UserDefinedType(union_type=mojom_union))

        self.assertEquals(translator._module, union.module)
        self.assertEquals('AUnion', union.name)
        self.assertEquals(len(mojom_union.fields), len(union.fields))

        for index, gold_index in enumerate(mojom_fields_declaration_order):
            gold = mojom_union.fields[gold_index]
            f = union.fields[index]
            self.assertEquals(gold.decl_data.short_name, f.name)
            if gold.decl_data.declared_ordinal >= 0:
                self.assertEquals(gold.decl_data.declared_ordinal,
                                  f.declared_tag)
            else:
                self.assertEquals(None, f.declared_tag)
            self.assertEquals(gold.tag, f.ordinal)

        self.assertEquals(module.BOOL, union.fields[0].kind)
        self.assertEquals(module.DOUBLE, union.fields[1].kind)
        self.assertEquals(module.INT32, union.fields[2].kind)
    def test_constant(self):
        file_name = 'a.mojom'
        graph = fidl_files_fidl.FidlFileGraph()

        mojom_const = fidl_types_fidl.DeclaredConstant()
        mojom_const.decl_data = fidl_types_fidl.DeclarationData(
            short_name='foo', container_type_key='struct_key')
        mojom_const.type = fidl_types_fidl.Type(
            simple_type=fidl_types_fidl.SimpleType.INT64)
        mojom_const.value = fidl_types_fidl.Value()
        mojom_const.value.literal_value = fidl_types_fidl.LiteralValue(
            int64_value=20)

        mojom_struct = fidl_types_fidl.FidlStruct(
            fields=[],
            decl_data=fidl_types_fidl.DeclarationData(
                short_name='AStruct',
                source_file_info=fidl_types_fidl.SourceFileInfo(
                    file_name=file_name)))
        add_version_info(mojom_struct, 0)
        graph.resolved_types = {
            'struct_key':
            fidl_types_fidl.UserDefinedType(struct_type=mojom_struct)
        }

        const = module.Constant()
        translator = mojom_translator.FileTranslator(graph, file_name)
        translator.ConstantFromMojom(const, mojom_const)

        self.assertEquals(mojom_const.decl_data.short_name, const.name)
        self.assertEquals(module.INT64, const.kind)
        self.assertEquals('20', const.value)
        self.assertEquals(translator.UserDefinedFromTypeKey('struct_key'),
                          const.parent_kind)
    def test_string_type(self):
        g = fidl_files_fidl.FidlFileGraph()
        t = mojom_translator.FileTranslator(g, None)

        s = fidl_types_fidl.Type(string_type=fidl_types_fidl.StringType())
        self.assertEquals(module.STRING, t.KindFromMojom(s))

        s.string_type.nullable = True
        self.assertEquals(module.NULLABLE_STRING, t.KindFromMojom(s))
    def test_user_defined_type_type(self):
        graph = fidl_files_fidl.FidlFileGraph()
        mojom_struct = fidl_types_fidl.FidlStruct(
            decl_data=fidl_types_fidl.DeclarationData(
                short_name='FirstStruct'))
        type_key = 'some opaque string'
        mojom_struct.fields = [
            # Make sure recursive structs are correctly handled.
            fidl_types_fidl.StructField(
                decl_data=fidl_types_fidl.DeclarationData(
                    short_name='field00'),
                type=fidl_types_fidl.Type(
                    type_reference=fidl_types_fidl.TypeReference(
                        type_key=type_key)))
        ]
        add_version_info(mojom_struct, 1)
        graph.resolved_types = {
            type_key: fidl_types_fidl.UserDefinedType(struct_type=mojom_struct)
        }

        mojom_type = fidl_types_fidl.Type()
        mojom_type.type_reference = fidl_types_fidl.TypeReference(
            type_key=type_key)

        t = mojom_translator.FileTranslator(graph, None)
        result = t.KindFromMojom(mojom_type)
        self.assertTrue(module.IsStructKind(result))
        self.assertEquals(mojom_struct.decl_data.short_name, result.name)
        self.assertEquals(result, result.fields[0].kind)
        self.assertEquals(type_key, result.type_key)

        # Make sure we create only one module object per type.
        result2 = t.KindFromMojom(mojom_type)
        self.assertIs(result, result2)

        # Nullable type reference
        mojom_type.type_reference.nullable = True
        nullable_result = t.KindFromMojom(mojom_type)
        self.assertTrue(module.IsNullableKind(nullable_result))
    def test_parameter(self):
        # Parameters are encoded as fields in a struct.
        mojom_param = fidl_types_fidl.StructField(
            decl_data=fidl_types_fidl.DeclarationData(short_name='param0',
                                                      declared_ordinal=5),
            type=fidl_types_fidl.Type(
                simple_type=fidl_types_fidl.SimpleType.UINT64),
            default_value=fidl_types_fidl.Value(
                literal_value=fidl_types_fidl.LiteralValue(uint64_value=20)))

        graph = fidl_files_fidl.FidlFileGraph()
        translator = mojom_translator.FileTranslator(graph, '')
        param = translator.ParamFromMojom(mojom_param)

        self.assertEquals(mojom_param.decl_data.short_name, param.name)
        self.assertEquals(module.UINT64, param.kind)
        self.assertEquals(mojom_param.decl_data.declared_ordinal,
                          param.ordinal)
    def test_imported_struct(self):
        graph = fidl_files_fidl.FidlFileGraph()

        graph.files = {
            'a.mojom':
            fidl_files_fidl.FidlFile(file_name='a.mojom',
                                     specified_file_name='',
                                     module_namespace='namespace',
                                     imports=['root/c.mojom']),
            'root/c.mojom':
            fidl_files_fidl.FidlFile(file_name='root/c.mojom',
                                     specified_file_name='',
                                     module_namespace='otherns',
                                     imports=[]),
        }

        mojom_struct = fidl_types_fidl.FidlStruct()
        mojom_struct.decl_data = fidl_types_fidl.DeclarationData(
            short_name='AStruct',
            source_file_info=fidl_types_fidl.SourceFileInfo(
                file_name='root/c.mojom'))
        mojom_struct.fields = []
        add_version_info(mojom_struct, 0)

        type_key = 'some_type_key'
        graph.resolved_types = {
            type_key: fidl_types_fidl.UserDefinedType(struct_type=mojom_struct)
        }
        struct = module.Struct()

        # Translate should create the imports.
        translator = mojom_translator.FileTranslator(graph, 'a.mojom')
        translator.Translate()

        struct = translator.UserDefinedFromTypeRef(
            fidl_types_fidl.Type(type_reference=fidl_types_fidl.TypeReference(
                type_key=type_key)))

        self.assertEquals(
            translator._transitive_imports['root/c.mojom']['module'],
            struct.module)
        self.assertEquals(translator._transitive_imports['root/c.mojom'],
                          struct.imported_from)
    def do_interface_test(self, nullable, interface_request):
        # Build a FidlInterface
        file_name = 'a.mojom'
        mojom_interface = fidl_types_fidl.FidlInterface(
            decl_data=fidl_types_fidl.DeclarationData(
                short_name='AnInterface',
                source_file_info=fidl_types_fidl.SourceFileInfo(
                    file_name=file_name)))
        mojom_interface.methods = {}

        # Register the FidlInterface in a FidlFileGraph
        graph = fidl_files_fidl.FidlFileGraph()
        type_key = 'some_type_key'
        graph.resolved_types = {
            type_key:
            fidl_types_fidl.UserDefinedType(interface_type=mojom_interface)
        }

        # Build a reference to the interface.
        type_ref = fidl_types_fidl.Type(
            type_reference=fidl_types_fidl.TypeReference(
                type_key=type_key,
                nullable=nullable,
                is_interface_request=interface_request))

        # Construct a translator
        translator = mojom_translator.FileTranslator(graph, file_name)

        # Translate the FidlInterface referenced by type_ref.
        interface = translator.UserDefinedFromTypeRef(type_ref)

        # Check the translation
        if interface_request:
            self.assertEquals('AnInterface', interface.kind.name)
            self.assertEquals('some_type_key', interface.kind.type_key)
        else:
            self.assertEquals('AnInterface', interface.name)
            self.assertEquals('some_type_key', interface.type_key)
        self.assertEquals(nullable, interface.is_nullable)
        self.assertEquals(interface_request,
                          isinstance(interface, module.InterfaceRequest))
    def test_simple_type(self):
        simple_types = [
            (fidl_types_fidl.SimpleType.BOOL, module.BOOL),
            (fidl_types_fidl.SimpleType.INT8, module.INT8),
            (fidl_types_fidl.SimpleType.INT16, module.INT16),
            (fidl_types_fidl.SimpleType.INT32, module.INT32),
            (fidl_types_fidl.SimpleType.INT64, module.INT64),
            (fidl_types_fidl.SimpleType.UINT8, module.UINT8),
            (fidl_types_fidl.SimpleType.UINT16, module.UINT16),
            (fidl_types_fidl.SimpleType.UINT32, module.UINT32),
            (fidl_types_fidl.SimpleType.UINT64, module.UINT64),
            (fidl_types_fidl.SimpleType.FLOAT, module.FLOAT),
            (fidl_types_fidl.SimpleType.DOUBLE, module.DOUBLE),
        ]

        g = fidl_files_fidl.FidlFileGraph()
        t = mojom_translator.FileTranslator(g, None)
        for mojom, golden in simple_types:
            self.assertEquals(
                golden,
                t.KindFromMojom(fidl_types_fidl.Type(simple_type=mojom)))
 def test_handle_type(self):
     handle_types = [
         (fidl_types_fidl.HandleType.Kind.UNSPECIFIED, False,
          module.HANDLE),
         (fidl_types_fidl.HandleType.Kind.CHANNEL, False, module.CHANNEL),
         (fidl_types_fidl.HandleType.Kind.VMO, False, module.VMO),
         (fidl_types_fidl.HandleType.Kind.PROCESS, False, module.PROCESS),
         (fidl_types_fidl.HandleType.Kind.THREAD, False, module.THREAD),
         (fidl_types_fidl.HandleType.Kind.EVENT, False, module.EVENT),
         (fidl_types_fidl.HandleType.Kind.PORT, False, module.PORT),
         (fidl_types_fidl.HandleType.Kind.JOB, False, module.JOB),
         (fidl_types_fidl.HandleType.Kind.SOCKET, False, module.SOCKET),
         (fidl_types_fidl.HandleType.Kind.EVENTPAIR, False,
          module.EVENTPAIR),
         (fidl_types_fidl.HandleType.Kind.UNSPECIFIED, True,
          module.NULLABLE_HANDLE),
         (fidl_types_fidl.HandleType.Kind.CHANNEL, True,
          module.NULLABLE_CHANNEL),
         (fidl_types_fidl.HandleType.Kind.VMO, True, module.NULLABLE_VMO),
         (fidl_types_fidl.HandleType.Kind.PROCESS, True,
          module.NULLABLE_PROCESS),
         (fidl_types_fidl.HandleType.Kind.THREAD, True,
          module.NULLABLE_THREAD),
         (fidl_types_fidl.HandleType.Kind.EVENT, True,
          module.NULLABLE_EVENT),
         (fidl_types_fidl.HandleType.Kind.PORT, True, module.NULLABLE_PORT),
         (fidl_types_fidl.HandleType.Kind.JOB, True, module.NULLABLE_JOB),
         (fidl_types_fidl.HandleType.Kind.SOCKET, True,
          module.NULLABLE_SOCKET),
         (fidl_types_fidl.HandleType.Kind.EVENTPAIR, True,
          module.NULLABLE_EVENTPAIR),
     ]
     g = fidl_files_fidl.FidlFileGraph()
     t = mojom_translator.FileTranslator(g, None)
     for mojom, nullable, golden in handle_types:
         h = fidl_types_fidl.Type()
         h.handle_type = fidl_types_fidl.HandleType(kind=mojom,
                                                    nullable=nullable)
         self.assertEquals(golden, t.KindFromMojom(h))
    def test_contained_declarations(self):
        graph = fidl_files_fidl.FidlFileGraph()
        file_name = 'root/f.mojom'

        mojom_enum = fidl_types_fidl.FidlEnum(
            values=[],
            decl_data=fidl_types_fidl.DeclarationData(
                short_name='AnEnum',
                source_file_info=fidl_types_fidl.SourceFileInfo(
                    file_name=file_name),
                container_type_key='parent_key'))
        graph.resolved_types = {
            'enum_key': fidl_types_fidl.UserDefinedType(enum_type=mojom_enum)
        }

        mojom_const = fidl_types_fidl.DeclaredConstant(
            decl_data=fidl_types_fidl.DeclarationData(
                short_name='AConst', container_type_key='parent_key'),
            type=fidl_types_fidl.Type(
                simple_type=fidl_types_fidl.SimpleType.INT64),
            value=fidl_types_fidl.Value(
                literal_value=fidl_types_fidl.LiteralValue(int64_value=30)))
        graph.resolved_constants = {'constant_key': mojom_const}

        contained_declarations = fidl_types_fidl.ContainedDeclarations(
            enums=['enum_key'], constants=['constant_key'])

        translator = mojom_translator.FileTranslator(graph, file_name)
        struct = module.Struct(name='parent')
        translator._type_cache['parent_key'] = struct
        translator.PopulateContainedDeclarationsFromMojom(
            struct, contained_declarations)

        self.assertEquals(mojom_enum.decl_data.short_name,
                          struct.enums[0].name)
        self.assertEquals(struct, struct.enums[0].parent_kind)
        self.assertEquals(mojom_const.decl_data.short_name,
                          struct.constants[0].name)
        self.assertEquals(struct, struct.constants[0].parent_kind)
    def test_constant_value(self):
        file_name = 'a.mojom'
        mojom_const = fidl_types_fidl.DeclaredConstant(
            decl_data=fidl_types_fidl.DeclarationData(
                short_name='AConst',
                source_file_info=fidl_types_fidl.SourceFileInfo(
                    file_name=file_name)),
            type=fidl_types_fidl.Type(
                simple_type=fidl_types_fidl.SimpleType.INT64),
            value=fidl_types_fidl.Value(
                literal_value=fidl_types_fidl.LiteralValue(int64_value=30)))

        graph = fidl_files_fidl.FidlFileGraph()
        graph.resolved_constants = {'constant_key': mojom_const}

        mojom = fidl_types_fidl.Value(
            constant_reference=fidl_types_fidl.ConstantReference(
                identifier='SOMEID', constant_key='constant_key'))

        translator = mojom_translator.FileTranslator(graph, file_name)
        const_value = translator.ValueFromMojom(mojom)
        self.assertIs(translator.ConstantFromKey('constant_key'),
                      const_value.constant)
        self.assertIs(mojom_const.decl_data.short_name, const_value.name)
    def test_method(self):
        file_name = 'a.mojom'
        mojom_method = fidl_types_fidl.FidlMethod(
            ordinal=10,
            min_version=6,
            decl_data=fidl_types_fidl.DeclarationData(
                short_name='AMethod',
                source_file_info=fidl_types_fidl.SourceFileInfo(
                    file_name=file_name)))

        param1 = fidl_types_fidl.StructField(
            decl_data=fidl_types_fidl.DeclarationData(short_name='a_param'),
            type=fidl_types_fidl.Type(
                simple_type=fidl_types_fidl.SimpleType.UINT32),
            offset=21,
            bit=6,
            min_version=11)
        param2 = fidl_types_fidl.StructField(
            decl_data=fidl_types_fidl.DeclarationData(short_name='b_param'),
            type=fidl_types_fidl.Type(
                simple_type=fidl_types_fidl.SimpleType.UINT64),
            offset=22,
            bit=7,
            min_version=12)
        mojom_method.parameters = fidl_types_fidl.FidlStruct(
            fields=[param1, param2],
            version_info=build_version_info(2),
            decl_data=build_decl_data('Not used'))

        interface = module.Interface('MyInterface')
        graph = fidl_files_fidl.FidlFileGraph()
        translator = mojom_translator.FileTranslator(graph, file_name)
        method = translator.MethodFromMojom(mojom_method, interface)

        self.assertEquals(mojom_method.decl_data.short_name, method.name)
        self.assertEquals(interface, method.interface)
        self.assertEquals(mojom_method.ordinal, method.ordinal)
        self.assertEquals(mojom_method.min_version, method.min_version)
        self.assertIsNone(method.response_parameters)
        self.assertEquals(len(mojom_method.parameters.fields),
                          len(method.parameters))
        self.assertEquals(param1.decl_data.short_name,
                          method.parameters[0].name)
        self.assertEquals(param2.decl_data.short_name,
                          method.parameters[1].name)
        self.assertEquals('MyInterface_AMethod_Params',
                          method.param_struct.name)
        self.assertEquals(len(mojom_method.parameters.fields),
                          len(method.param_struct.fields))
        for i in xrange(0, len(mojom_method.parameters.fields)):
            gold = mojom_method.parameters.fields[i]
            f = method.param_struct.fields_in_ordinal_order[i]
            self.assertEquals(gold.decl_data.short_name, f.name)
            self.assertEquals(gold.offset, f.computed_offset)
            self.assertEquals(gold.bit, f.computed_bit)
            self.assertEquals(gold.min_version, f.computed_min_version)

        # Add empty return params.
        mojom_method.response_params = fidl_types_fidl.FidlStruct(fields=[])
        add_version_info(mojom_method.response_params, 0)
        add_decl_data(mojom_method.response_params, 'AMethod_Response')
        method = translator.MethodFromMojom(mojom_method, interface)
        self.assertEquals([], method.response_parameters)

        # Add non-empty return params.
        mojom_method.response_params.fields = [param1]
        method = translator.MethodFromMojom(mojom_method, interface)
        self.assertEquals(param1.decl_data.short_name,
                          method.response_parameters[0].name)
    def test_basics(self):
        graph = fidl_files_fidl.FidlFileGraph(resolved_types={})

        file_name = 'root/f.mojom'
        imported_file_name = 'other/a.mojom'
        second_level_imported_file_name = 'something/other.mojom'
        mojom_file = fidl_files_fidl.FidlFile(
            file_name=file_name,
            specified_file_name='specified_file_name',
            module_namespace='somens',
            imports=[imported_file_name])
        imported_file = fidl_files_fidl.FidlFile(
            file_name=imported_file_name,
            specified_file_name='',
            module_namespace='somens',
            imports=[second_level_imported_file_name])
        second_level_imported_file = fidl_files_fidl.FidlFile(
            file_name=second_level_imported_file_name,
            specified_file_name='',
            module_namespace='somens')
        graph.files = {
            file_name: mojom_file,
            imported_file_name: imported_file,
            second_level_imported_file_name: second_level_imported_file
        }

        mojom_interface = fidl_types_fidl.FidlInterface(
            methods={},
            decl_data=fidl_types_fidl.DeclarationData(
                short_name='AnInterface',
                source_file_info=fidl_types_fidl.SourceFileInfo(
                    file_name=file_name)))
        graph.resolved_types[
            'interface_key'] = fidl_types_fidl.UserDefinedType(
                interface_type=mojom_interface)

        mojom_struct = fidl_types_fidl.FidlStruct(
            fields=[],
            decl_data=fidl_types_fidl.DeclarationData(
                short_name='AStruct',
                full_identifier='foo.AStruct',
                source_file_info=fidl_types_fidl.SourceFileInfo(
                    file_name=file_name)))
        add_version_info(mojom_struct, 0)
        graph.resolved_types['struct_key'] = fidl_types_fidl.UserDefinedType(
            struct_type=mojom_struct)

        mojom_union = fidl_types_fidl.FidlUnion(
            fields=[],
            decl_data=fidl_types_fidl.DeclarationData(
                short_name='AUnion',
                source_file_info=fidl_types_fidl.SourceFileInfo(
                    file_name=file_name)))
        graph.resolved_types['union_key'] = fidl_types_fidl.UserDefinedType(
            union_type=mojom_union)

        mojom_enum = fidl_types_fidl.FidlEnum(
            values=[],
            decl_data=fidl_types_fidl.DeclarationData(
                short_name='AnEnum',
                source_file_info=fidl_types_fidl.SourceFileInfo(
                    file_name=file_name)))
        graph.resolved_types['enum_key'] = fidl_types_fidl.UserDefinedType(
            enum_type=mojom_enum)

        mojom_const = fidl_types_fidl.DeclaredConstant(
            decl_data=fidl_types_fidl.DeclarationData(short_name='AConst'),
            type=fidl_types_fidl.Type(
                simple_type=fidl_types_fidl.SimpleType.INT64),
            value=fidl_types_fidl.Value(
                literal_value=fidl_types_fidl.LiteralValue(int64_value=30)))
        graph.resolved_constants = {'constant_key': mojom_const}

        mojom_file.declared_fidl_objects = fidl_files_fidl.KeysByType(
            interfaces=['interface_key'],
            structs=['struct_key'],
            unions=['union_key'],
            top_level_enums=['enum_key'],
            top_level_constants=['constant_key'])

        mod = mojom_translator.FileTranslator(graph, file_name).Translate()

        self.assertEquals('f.mojom', mod.name)
        self.assertEquals(mojom_file.specified_file_name, mod.specified_name)
        self.assertEquals(mojom_file.file_name, mod.path)
        self.assertEquals(mojom_file.module_namespace, mod.namespace)

        self.assertEquals(1, len(mod.imports))
        self.assertEquals('a.mojom', mod.imports[0]['module_name'])
        self.assertEquals(imported_file.module_namespace,
                          mod.imports[0]['namespace'])
        self.assertEquals(imported_file.file_name,
                          mod.imports[0]['module'].path)

        self.assertEquals(2, len(mod.transitive_imports))
        transitive_imports_paths = [
            imp['module'].path for imp in mod.transitive_imports
        ]
        self.assertIn(imported_file_name, transitive_imports_paths)
        self.assertIn(second_level_imported_file_name,
                      transitive_imports_paths)

        self.assertEquals('AnInterface', mod.interfaces[0].name)
        # Interfaces should be assigned their name as their spec.
        self.assertEquals('AnInterface', mod.interfaces[0].spec)
        self.assertEquals(mojom_struct.decl_data.short_name,
                          mod.structs[0].name)
        # The struct was given a full_identifier so its spec should be that.
        self.assertEquals(mojom_struct.decl_data.full_identifier,
                          mod.structs[0].spec)
        self.assertEquals(mojom_union.decl_data.short_name, mod.unions[0].name)
        # The union was given a short name but not a full_identifier so its spec
        # should be the short name.
        self.assertEquals(mojom_union.decl_data.short_name, mod.unions[0].spec)
        self.assertEquals(mojom_enum.decl_data.short_name, mod.enums[0].name)
        self.assertEquals(mojom_const.decl_data.short_name,
                          mod.constants[0].name)

        imported_mod = mojom_translator.FileTranslator(
            graph, imported_file_name).Translate()
        self.assertFalse(imported_mod.specified_name)
    def test_structs(self):
        file_name = 'a.mojom'
        graph = fidl_files_fidl.FidlFileGraph()
        mojom_file = fidl_files_fidl.FidlFile(file_name='a.mojom',
                                              module_namespace='foo.bar')
        graph.files = {mojom_file.file_name: mojom_file}

        mojom_struct = fidl_types_fidl.FidlStruct(
            decl_data=fidl_types_fidl.DeclarationData(
                short_name='FirstStruct'))
        mojom_struct.fields = [
            fidl_types_fidl.StructField(
                decl_data=fidl_types_fidl.DeclarationData(short_name='field03',
                                                          declaration_order=2),
                type=fidl_types_fidl.Type(
                    simple_type=fidl_types_fidl.SimpleType.BOOL),
                offset=21,
                bit=6,
                min_version=11),
            fidl_types_fidl.StructField(
                decl_data=fidl_types_fidl.DeclarationData(short_name='field01',
                                                          declared_ordinal=1,
                                                          declaration_order=0),
                type=fidl_types_fidl.Type(
                    simple_type=fidl_types_fidl.SimpleType.BOOL),
                offset=17,
                bit=1,
                min_version=4),
            fidl_types_fidl.StructField(
                decl_data=fidl_types_fidl.DeclarationData(short_name='field02',
                                                          declaration_order=1),
                type=fidl_types_fidl.Type(
                    simple_type=fidl_types_fidl.SimpleType.DOUBLE),
                offset=0,
                bit=0,
                min_version=0,
                default_value=fidl_types_fidl.DefaultFieldValue(
                    value=fidl_types_fidl.Value(
                        literal_value=fidl_types_fidl.LiteralValue(
                            double_value=15)))),
        ]
        mojom_struct.version_info = [
            fidl_types_fidl.StructVersion(version_number=0,
                                          num_bytes=67,
                                          num_fields=1),
            fidl_types_fidl.StructVersion(version_number=1,
                                          num_bytes=76,
                                          num_fields=3),
        ]
        # mojom_fields_declaration_order lists, in declaration order, the indices
        # of the fields in fidl_types_fidl.StructField.
        mojom_fields_declaration_order = [1, 2, 0]
        mojom_struct.decl_data.source_file_info = fidl_types_fidl.SourceFileInfo(
            file_name=mojom_file.file_name)

        struct = module.Struct()
        translator = mojom_translator.FileTranslator(graph, file_name)
        translator.StructFromMojom(
            struct, fidl_types_fidl.UserDefinedType(struct_type=mojom_struct))

        self.assertEquals('FirstStruct', struct.name)
        self.assertEquals(translator._module, struct.module)

        self.assertEquals(len(mojom_struct.fields), len(struct.fields))
        for index, gold_index in enumerate(mojom_fields_declaration_order):
            gold = mojom_struct.fields[gold_index]
            f = struct.fields[index]
            self.assertEquals(f.name, gold.decl_data.short_name)
            if gold.decl_data.declared_ordinal >= 0:
                self.assertEquals(gold.decl_data.declared_ordinal, f.ordinal)
            else:
                self.assertEquals(None, f.ordinal)
            self.assertEquals(gold_index, f.computed_ordinal)
            self.assertEquals(gold.offset, f.computed_offset)
            self.assertEquals(gold.bit, f.computed_bit)
            self.assertEquals(gold.min_version, f.computed_min_version)
            self.assertEquals(struct.fields_in_ordinal_order[index].name,
                              mojom_struct.fields[index].decl_data.short_name)

        self.assertEquals(2, len(struct.versions))
        for i in xrange(0, 2):
            self.assertEquals(mojom_struct.version_info[i].version_number,
                              struct.versions[i].version)
            self.assertEquals(mojom_struct.version_info[i].num_bytes,
                              struct.versions[i].num_bytes)
            self.assertEquals(mojom_struct.version_info[i].num_fields,
                              struct.versions[i].num_fields)

        self.assertEquals(module.BOOL, struct.fields[0].kind)
        self.assertEquals(module.DOUBLE, struct.fields[1].kind)

        self.assertEquals('15.0', struct.fields[1].default)