Update mojo sdk to rev 59145288bae55b0fce4276b017df6a1117bcf00f

mojo/public/tools/bindings/pylib/mojom_tests/generate/data_unittest.py

+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import imp
+import os.path
+import sys
+import unittest
+
+def _GetDirAbove(dirname):
+  """Returns the directory "above" this file containing |dirname| (which must
+  also be "above" this file)."""
+  path = os.path.abspath(__file__)
+  while True:
+    path, tail = os.path.split(path)
+    assert tail
+    if tail == dirname:
+      return path
+
+try:
+  imp.find_module("mojom")
+except ImportError:
+  sys.path.append(os.path.join(_GetDirAbove("pylib"), "pylib"))
+from mojom.generate import data
+from mojom.generate import module as mojom
+
+
+class DataTest(unittest.TestCase):
+
+  def testStructDataConversion(self):
+    """Tests that a struct can be converted from data."""
+    module = mojom.Module('test_module', 'test_namespace')
+    struct_data = {
+        'name': 'SomeStruct',
+        'attributes': [],
+        'enums': [],
+        'constants': [],
+        'fields': [
+            {'name': 'field1', 'kind': 'i32'},
+            {'name': 'field2', 'kind': 'i32', 'ordinal': 10},
+            {'name': 'field3', 'kind': 'i32', 'default': 15}]}
+
+    struct = data.StructFromData(module, struct_data)
+    del struct_data['attributes']
+    del struct_data['enums']
+    del struct_data['constants']
+    struct.fields = map(lambda field:
+        data.FieldFromData(module, field, struct), struct.fields_data)
+    self.assertEquals(struct_data, data.StructToData(struct))
+
+  def testUnionDataConversion(self):
+    """Tests that a union can be converted from data."""
+    module = mojom.Module('test_module', 'test_namespace')
+    union_data = {
+        'name': 'SomeUnion',
+        'fields': [
+            {'name': 'field1', 'kind': 'i32'},
+            {'name': 'field2', 'kind': 'i32', 'ordinal': 10}]}
+
+    union = data.UnionFromData(module, union_data)
+    union.fields = map(lambda field:
+        data.FieldFromData(module, field, union), union.fields_data)
+    self.assertEquals(union_data, data.UnionToData(union))
+
+  def testImportFromDataNoMissingImports(self):
+    """Tests that unions, structs, interfaces and enums are imported."""
+    module = mojom.Module('test_module', 'test_namespace')
+    imported_module = mojom.Module('import_module', 'import_namespace')
+    #TODO(azani): Init values in module.py.
+    #TODO(azani): Test that values are imported.
+    imported_module.values = {}
+    imported_data = {'module' : imported_module}
+
+
+    struct = mojom.Struct('TestStruct', module=module)
+    imported_module.kinds[struct.spec] = struct
+
+    union = mojom.Union('TestUnion', module=module)
+    imported_module.kinds[union.spec] = union
+
+    interface = mojom.Interface('TestInterface', module=module)
+    imported_module.kinds[interface.spec] = interface
+
+    enum = mojom.Enum('TestEnum', module=module)
+    imported_module.kinds[enum.spec] = enum
+
+    data.ImportFromData(module, imported_data)
+
+    # Test that the kind was imported.
+    self.assertIn(struct.spec, module.kinds)
+    self.assertEquals(struct.name, module.kinds[struct.spec].name)
+
+    self.assertIn(union.spec, module.kinds)
+    self.assertEquals(union.name, module.kinds[union.spec].name)
+
+    self.assertIn(interface.spec, module.kinds)
+    self.assertEquals(interface.name, module.kinds[interface.spec].name)
+
+    self.assertIn(enum.spec, module.kinds)
+    self.assertEquals(enum.name, module.kinds[enum.spec].name)
+
+    # Test that the imported kind is a copy and not the original.
+    self.assertIsNot(struct, module.kinds[struct.spec])
+    self.assertIsNot(union, module.kinds[union.spec])
+    self.assertIsNot(interface, module.kinds[interface.spec])
+    self.assertIsNot(enum, module.kinds[enum.spec])
+
+  def testImportFromDataNoExtraneousImports(self):
+    """Tests that arrays, maps and interface requests are not imported."""
+    module = mojom.Module('test_module', 'test_namespace')
+    imported_module = mojom.Module('import_module', 'import_namespace')
+    #TODO(azani): Init values in module.py.
+    imported_module.values = {}
+    imported_data = {'module' : imported_module}
+
+    array = mojom.Array(mojom.INT16, length=20)
+    imported_module.kinds[array.spec] = array
+
+    map_kind = mojom.Map(mojom.INT16, mojom.INT16)
+    imported_module.kinds[map_kind.spec] = map_kind
+
+    interface_req = mojom.InterfaceRequest(mojom.INT16)
+    imported_module.kinds[interface_req.spec] = interface_req
+
+    data.ImportFromData(module, imported_data)
+
+    self.assertNotIn(array.spec, module.kinds)
+    self.assertNotIn(map_kind.spec, module.kinds)
+    self.assertNotIn(interface_req.spec, module.kinds)