Update mojo sdk to rev 59145288bae55b0fce4276b017df6a1117bcf00f

mojo/public/tools/bindings/pylib/mojom_tests/parse/translate_unittest.py

Index: mojo/public/tools/bindings/pylib/mojom_tests/parse/translate_unittest.py
diff --git a/mojo/public/tools/bindings/pylib/mojom_tests/parse/translate_unittest.py b/mojo/public/tools/bindings/pylib/mojom_tests/parse/translate_unittest.py
index 2b08bb7282cec3327e164fd1db625c95747d5084..9f2d985d1fa3767a34b5a613809b62e7a1966cdc 100644
--- a/mojo/public/tools/bindings/pylib/mojom_tests/parse/translate_unittest.py
+++ b/mojo/public/tools/bindings/pylib/mojom_tests/parse/translate_unittest.py
@@ -21,7 +21,8 @@ try:
   imp.find_module("mojom")
 except ImportError:
   sys.path.append(os.path.join(_GetDirAbove("pylib"), "pylib"))
-import mojom.parse.translate as translate
+from mojom.parse import ast
+from mojom.parse import translate
 
 
 class TranslateTest(unittest.TestCase):
@@ -43,5 +44,22 @@ class TranslateTest(unittest.TestCase):
     # 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(
+        None,
+        ast.ImportList(),
+        [ast.Union("SomeUnion", ast.UnionBody(
+          [ast.UnionField("a", None, "int32"),
+           ast.UnionField("b", None, "string")]))])
+    expected = [{
+      "name": "SomeUnion",
+      "fields": [
+        {"kind": "i32", "name": "a", "ordinal": None},
+        {"kind": "s", "name": "b", "ordinal": None}]}]
+    actual = translate.Translate(tree, "mojom_tree")
+    self.assertEquals(actual["union"], expected)
+
+
 if __name__ == "__main__":
   unittest.main()