blob: 25203329f413521f70db4cfc6070079051060397 [file] [log] [blame]
# 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
except ImportError:
sys.path.append(os.path.join(_GetDirAbove("pylib"), "pylib"))
from mojom.parse import ast
from mojom.parse import translate
class TranslateTest(unittest.TestCase):
"""Tests |parser.Parse()|."""
def testSimpleArray(self):
"""Tests a simple int32[]."""
# pylint: disable=W0212
self.assertEquals(translate._MapKind("int32[]"), "a:i32")
def testAssociativeArray(self):
"""Tests a simple uint8{string}."""
# pylint: disable=W0212
self.assertEquals(translate._MapKind("uint8{string}"), "m[s][u8]")
def testLeftToRightAssociativeArray(self):
"""Makes sure that parsing is done from right to left on the internal kinds
in the presence of an associative array."""
# pylint: disable=W0212
self.assertEquals(translate._MapKind("uint8[]{string}"), "m[s][a:u8]")
def testTranslateSimpleUnions(self):
"""Makes sure that a simple union is translated correctly."""
tree = ast.Mojom(
[ast.Union("SomeUnion", None, ast.UnionBody(
[ast.UnionField("a", None, None, "int32"),
ast.UnionField("b", None, None, "string")]))])
expected = [{
"name": "SomeUnion",
"fields": [{"kind": "i32", "name": "a"},
{"kind": "s", "name": "b"}]}]
actual = translate.Translate(tree, "mojom_tree")
self.assertEquals(actual["unions"], expected)
def testMapTreeForTypeRaisesWithDuplicate(self):
"""Verifies _MapTreeForType() raises when passed two values with the same
methods = [ast.Method('dup', None, None, ast.ParameterList(), None),
ast.Method('dup', None, None, ast.ParameterList(), None)]
self.assertRaises(Exception, translate._MapTreeForType,
(lambda x: x, methods, '', 'scope'))
def testAssociatedKinds(self):
"""Tests type spec translation of associated interfaces and requests."""
# pylint: disable=W0212
if __name__ == "__main__":