def test_child_enum(self):
file_name = 'a.mojom'
mojom_enum = fidl_types_fidl.FidlEnum()
mojom_enum.decl_data = fidl_types_fidl.DeclarationData(
short_name='AnEnum',
source_file_info=fidl_types_fidl.SourceFileInfo(
file_name=file_name),
container_type_key='struct_key')
mojom_enum.values = []
graph = fidl_files_fidl.FidlFileGraph()
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)
}
enum = module.Enum()
translator = mojom_translator.FileTranslator(graph, file_name)
translator.EnumFromMojom(
enum, fidl_types_fidl.UserDefinedType(enum_type=mojom_enum))
self.assertEquals(mojom_enum.decl_data.short_name, enum.name)
self.assertEquals(len(mojom_enum.values), len(enum.fields))
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_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 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_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 do_interface_test(self, specify_service_name):
file_name = 'a.mojom'
mojom_interface = fidl_types_fidl.FidlInterface(
current_version=47,
decl_data=fidl_types_fidl.DeclarationData(
short_name='AnInterface',
source_file_info=fidl_types_fidl.SourceFileInfo(
file_name=file_name)))
if specify_service_name:
mojom_interface.service_name = 'test::TheInterface'
mojom_interface.decl_data.attributes = [
fidl_types_fidl.Attribute(
key='ServiceName',
value=fidl_types_fidl.LiteralValue(
string_value='test::TheInterface'))
]
else:
mojom_interface.service_name = None
mojom_method10 = fidl_types_fidl.FidlMethod(
ordinal=10,
decl_data=fidl_types_fidl.DeclarationData(
short_name='AMethod10',
declaration_order=1,
source_file_info=fidl_types_fidl.SourceFileInfo(
file_name=file_name)),
parameters=fidl_types_fidl.FidlStruct(
fields=[],
version_info=build_version_info(0),
decl_data=build_decl_data('AMethod10_Request')))
mojom_method0 = fidl_types_fidl.FidlMethod(
ordinal=0,
decl_data=fidl_types_fidl.DeclarationData(
short_name='AMethod0',
declaration_order=1,
source_file_info=fidl_types_fidl.SourceFileInfo(
file_name=file_name)),
parameters=fidl_types_fidl.FidlStruct(
fields=[],
version_info=build_version_info(0),
decl_data=build_decl_data('AMethod0_Request')))
mojom_method7 = fidl_types_fidl.FidlMethod(
ordinal=7,
decl_data=fidl_types_fidl.DeclarationData(
short_name='AMethod7',
declaration_order=0,
source_file_info=fidl_types_fidl.SourceFileInfo(
file_name=file_name)),
parameters=fidl_types_fidl.FidlStruct(
fields=[],
version_info=build_version_info(0),
decl_data=build_decl_data('AMethod7_Request')))
mojom_interface.methods = {
10: mojom_method10,
0: mojom_method0,
7: mojom_method7
}
interface = module.Interface()
graph = fidl_files_fidl.FidlFileGraph()
translator = mojom_translator.FileTranslator(graph, file_name)
translator.InterfaceFromMojom(
interface,
fidl_types_fidl.UserDefinedType(interface_type=mojom_interface))
self.assertEquals(translator._module, interface.module)
self.assertEquals('AnInterface', interface.name)
self.assertEquals(mojom_interface.current_version, interface.version)
# The methods should be ordered by declaration_order.
self.assertEquals(7, interface.methods[0].ordinal)
self.assertEquals(0, interface.methods[1].ordinal)
self.assertEquals(10, interface.methods[2].ordinal)
if specify_service_name:
self.assertEquals('test::TheInterface', interface.service_name)
else:
self.assertEquals(None, interface.service_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)