def test_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))
value1 = fidl_types_fidl.EnumValue(
decl_data=fidl_types_fidl.DeclarationData(short_name='val1'),
initializer_value=fidl_types_fidl.Value(
literal_value=fidl_types_fidl.LiteralValue(uint64_value=20)),
int_value=20)
value2 = fidl_types_fidl.EnumValue(
decl_data=fidl_types_fidl.DeclarationData(short_name='val2'),
int_value=70)
mojom_enum.values = [value1, value2]
graph = fidl_files_fidl.FidlFileGraph()
enum = module.Enum()
translator = mojom_translator.FileTranslator(graph, file_name)
translator.EnumFromMojom(
enum, fidl_types_fidl.UserDefinedType(enum_type=mojom_enum))
self.assertEquals(translator._module, enum.module)
self.assertEquals(mojom_enum.decl_data.short_name, enum.name)
self.assertEquals(len(mojom_enum.values), len(enum.fields))
self.assertEquals(value1.decl_data.short_name, enum.fields[0].name)
self.assertEquals(value2.decl_data.short_name, enum.fields[1].name)
self.assertEquals('20', enum.fields[0].value)
self.assertIsNone(enum.fields[1].value)
self.assertEquals(value1.int_value, enum.fields[0].numeric_value)
self.assertEquals(value2.int_value, enum.fields[1].numeric_value)
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_literal_value(self):
mojom_int64 = fidl_types_fidl.Value()
mojom_int64.literal_value = fidl_types_fidl.LiteralValue(
int64_value=20)
mojom_bool = fidl_types_fidl.Value()
mojom_bool.literal_value = fidl_types_fidl.LiteralValue(
bool_value=True)
mojom_double = fidl_types_fidl.Value()
mojom_double.literal_value = fidl_types_fidl.LiteralValue(
double_value=1234.012345678901)
graph = fidl_files_fidl.FidlFileGraph()
int64_const = mojom_translator.FileTranslator(
graph, None).ValueFromMojom(mojom_int64)
bool_const = mojom_translator.FileTranslator(
graph, None).ValueFromMojom(mojom_bool)
double_const = mojom_translator.FileTranslator(
graph, None).ValueFromMojom(mojom_double)
self.assertEquals('20', int64_const)
self.assertEquals('true', bool_const)
self.assertEquals('1234.012345678901', double_const)
def test_enum_value(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))
value1 = fidl_types_fidl.EnumValue(
decl_data=fidl_types_fidl.DeclarationData(
short_name='val1',
source_file_info=fidl_types_fidl.SourceFileInfo(
file_name=file_name)),
initializer_value=fidl_types_fidl.Value(
literal_value=fidl_types_fidl.LiteralValue(uint64_value=20)),
int_value=20)
value2 = fidl_types_fidl.EnumValue(
decl_data=fidl_types_fidl.DeclarationData(short_name='val2'),
int_value=70)
mojom_enum.values = [value1, value2]
graph = fidl_files_fidl.FidlFileGraph()
graph.resolved_types = {
'enum_key': fidl_types_fidl.UserDefinedType(enum_type=mojom_enum)
}
mojom = fidl_types_fidl.Value(
enum_value_reference=fidl_types_fidl.EnumValueReference(
identifier='SOMEID',
enum_type_key='enum_key',
enum_value_index=0))
translator = mojom_translator.FileTranslator(graph, file_name)
enum_value = translator.ValueFromMojom(mojom)
enum = translator.UserDefinedFromTypeKey('enum_key')
self.assertIs(enum, enum_value.enum)
self.assertIs(value1.decl_data.short_name, enum_value.name)
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_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_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_builtin_const(self):
mojom = fidl_types_fidl.Value()
graph = fidl_files_fidl.FidlFileGraph()
gold = [
(fidl_types_fidl.BuiltinConstantValue.DOUBLE_INFINITY,
'double.INFINITY'),
(fidl_types_fidl.BuiltinConstantValue.DOUBLE_NEGATIVE_INFINITY,
'double.NEGATIVE_INFINITY'),
(fidl_types_fidl.BuiltinConstantValue.DOUBLE_NAN, 'double.NAN'),
(fidl_types_fidl.BuiltinConstantValue.FLOAT_INFINITY,
'float.INFINITY'),
(fidl_types_fidl.BuiltinConstantValue.FLOAT_NEGATIVE_INFINITY,
'float.NEGATIVE_INFINITY'),
(fidl_types_fidl.BuiltinConstantValue.FLOAT_NAN, 'float.NAN'),
]
for mojom_builtin, string in gold:
mojom.builtin_value = mojom_builtin
const = mojom_translator.FileTranslator(graph,
None).ValueFromMojom(mojom)
self.assertIsInstance(const, module.BuiltinValue)
self.assertEquals(string, const.value)
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)