def test_structs(self): file_name = 'a.mojom' graph = mojom_files_mojom.MojomFileGraph() mojom_file = mojom_files_mojom.MojomFile(file_name='a.mojom', module_namespace='foo.bar') graph.files = {mojom_file.file_name: mojom_file} mojom_struct = mojom_types_mojom.MojomStruct( decl_data=mojom_types_mojom.DeclarationData( short_name='FirstStruct')) mojom_struct.fields = [ mojom_types_mojom.StructField( decl_data=mojom_types_mojom.DeclarationData( short_name='field01', declared_ordinal=5), type=mojom_types_mojom.Type( simple_type=mojom_types_mojom.SimpleType.BOOL)), mojom_types_mojom.StructField( decl_data=mojom_types_mojom.DeclarationData( short_name='field02'), type=mojom_types_mojom.Type( simple_type=mojom_types_mojom.SimpleType.DOUBLE), default_value=mojom_types_mojom.DefaultFieldValue( value=mojom_types_mojom.Value( literal_value=mojom_types_mojom.LiteralValue( double_value=15)))), ] mojom_struct.decl_data.source_file_info = mojom_types_mojom.SourceFileInfo( file_name=mojom_file.file_name) struct = module.Struct() translator = mojom_translator.FileTranslator(graph, file_name) translator.StructFromMojom( struct, mojom_types_mojom.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 gold, f in zip(mojom_struct.fields, struct.fields): self.assertEquals(f.name, gold.decl_data.short_name) self.assertEquals(module.BOOL, struct.fields[0].kind) self.assertEquals(5, struct.fields[0].ordinal) self.assertEquals(module.DOUBLE, struct.fields[1].kind) self.assertEquals(None, struct.fields[1].ordinal) self.assertEquals('15.0', struct.fields[1].default)
def test_user_defined_type_type(self): graph = mojom_files_mojom.MojomFileGraph() mojom_struct = mojom_types_mojom.MojomStruct( decl_data=mojom_types_mojom.DeclarationData(short_name='FirstStruct')) type_key = 'some opaque string' mojom_struct.fields = [ # Make sure recursive structs are correctly handled. mojom_types_mojom.StructField( decl_data=mojom_types_mojom.DeclarationData(short_name='field00'), type=mojom_types_mojom.Type( type_reference=mojom_types_mojom.TypeReference(type_key=type_key))) ] add_version_info(mojom_struct, 1) graph.resolved_types = { type_key: mojom_types_mojom.UserDefinedType(struct_type=mojom_struct)} mojom_type = mojom_types_mojom.Type() mojom_type.type_reference = mojom_types_mojom.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_method(self): file_name = 'a.mojom' mojom_method = mojom_types_mojom.MojomMethod( ordinal=10, decl_data=mojom_types_mojom.DeclarationData( short_name='AMethod', source_file_info=mojom_types_mojom.SourceFileInfo( file_name=file_name))) param1 = mojom_types_mojom.StructField( decl_data=mojom_types_mojom.DeclarationData(short_name='a_param'), type=mojom_types_mojom.Type( simple_type=mojom_types_mojom.SimpleType.UINT32)) param2 = mojom_types_mojom.StructField( decl_data=mojom_types_mojom.DeclarationData(short_name='b_param'), type=mojom_types_mojom.Type( simple_type=mojom_types_mojom.SimpleType.UINT64)) mojom_method.parameters = mojom_types_mojom.MojomStruct( fields=[param1, param2]) interface = module.Interface() graph = mojom_files_mojom.MojomFileGraph() 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.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) # Add empty return params. mojom_method.response_params = mojom_types_mojom.MojomStruct(fields=[]) 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_parameter(self): # Parameters are encoded as fields in a struct. mojom_param = mojom_types_mojom.StructField( decl_data=mojom_types_mojom.DeclarationData(short_name='param0', declared_ordinal=5), type=mojom_types_mojom.Type( simple_type=mojom_types_mojom.SimpleType.UINT64), default_value=mojom_types_mojom.Value( literal_value=mojom_types_mojom.LiteralValue(uint64_value=20))) graph = mojom_files_mojom.MojomFileGraph() 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_method(self): file_name = 'a.mojom' mojom_method = mojom_types_mojom.MojomMethod( ordinal=10, min_version=6, decl_data=mojom_types_mojom.DeclarationData( short_name='AMethod', source_file_info=mojom_types_mojom.SourceFileInfo( file_name=file_name))) param1 = mojom_types_mojom.StructField( decl_data=mojom_types_mojom.DeclarationData(short_name='a_param'), type=mojom_types_mojom.Type( simple_type=mojom_types_mojom.SimpleType.UINT32), offset=21, bit=6, min_version=11) param2 = mojom_types_mojom.StructField( decl_data=mojom_types_mojom.DeclarationData(short_name='b_param'), type=mojom_types_mojom.Type( simple_type=mojom_types_mojom.SimpleType.UINT64), offset=22, bit=7, min_version=12) mojom_method.parameters = mojom_types_mojom.MojomStruct( fields=[param1, param2], version_info=build_version_info(2), decl_data=build_decl_data('Not used')) interface = module.Interface('MyInterface') graph = mojom_files_mojom.MojomFileGraph() 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 = mojom_types_mojom.MojomStruct(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_structs(self): file_name = 'a.mojom' graph = mojom_files_mojom.MojomFileGraph() mojom_file = mojom_files_mojom.MojomFile(file_name='a.mojom', module_namespace='foo.bar') graph.files = {mojom_file.file_name: mojom_file} mojom_struct = mojom_types_mojom.MojomStruct( decl_data=mojom_types_mojom.DeclarationData( short_name='FirstStruct')) mojom_struct.fields = [ mojom_types_mojom.StructField( decl_data=mojom_types_mojom.DeclarationData( short_name='field03', declaration_order=2), type=mojom_types_mojom.Type( simple_type=mojom_types_mojom.SimpleType.BOOL), offset=21, bit=6, min_version=11), mojom_types_mojom.StructField( decl_data=mojom_types_mojom.DeclarationData( short_name='field01', declared_ordinal=1, declaration_order=0), type=mojom_types_mojom.Type( simple_type=mojom_types_mojom.SimpleType.BOOL), offset=17, bit=1, min_version=4), mojom_types_mojom.StructField( decl_data=mojom_types_mojom.DeclarationData( short_name='field02', declaration_order=1), type=mojom_types_mojom.Type( simple_type=mojom_types_mojom.SimpleType.DOUBLE), offset=0, bit=0, min_version=0, default_value=mojom_types_mojom.DefaultFieldValue( value=mojom_types_mojom.Value( literal_value=mojom_types_mojom.LiteralValue( double_value=15)))), ] mojom_struct.version_info = [ mojom_types_mojom.StructVersion(version_number=0, num_bytes=67, num_fields=1), mojom_types_mojom.StructVersion(version_number=1, num_bytes=76, num_fields=3), ] # mojom_fields_declaration_order lists, in declaration order, the indices # of the fields in mojom_types_mojom.StructField. mojom_fields_declaration_order = [1, 2, 0] mojom_struct.decl_data.source_file_info = mojom_types_mojom.SourceFileInfo( file_name=mojom_file.file_name) struct = module.Struct() translator = mojom_translator.FileTranslator(graph, file_name) translator.StructFromMojom( struct, mojom_types_mojom.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)