Add "platforms" key in IDL schema compiler.

tools/json_schema_compiler/model_test.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 from json_schema import CachedLoad
+from idl_schema import Load
+from model import Platforms
 import model
 import unittest
 
 class ModelTest(unittest.TestCase):
   def setUp(self):
     self.model = model.Model()
     self.permissions_json = CachedLoad('test/permissions.json')
     self.model.AddNamespace(self.permissions_json[0],
         'path/to/permissions.json')
     self.permissions = self.model.namespaces.get('permissions')
     self.windows_json = CachedLoad('test/windows.json')
     self.model.AddNamespace(self.windows_json[0],
         'path/to/window.json')
     self.windows = self.model.namespaces.get('windows')
     self.tabs_json = CachedLoad('test/tabs.json')
     self.model.AddNamespace(self.tabs_json[0],
         'path/to/tabs.json')
     self.tabs = self.model.namespaces.get('tabs')
+    self.idl_chromeos = Load('test/idl_namespace_chromeos.idl')
+    self.model.AddNamespace(self.idl_chromeos[0],
+        'path/to/idl_namespace_chromeos.idl')
+    self.idl_namespace_chromeos = self.model.namespaces.get(
+        'idl_namespace_chromeos')
+    self.idl_all_platforms = Load('test/idl_namespace_all_platforms.idl')
+    self.model.AddNamespace(self.idl_all_platforms[0],
+        'path/to/idl_namespace_all_platforms.idl')
+    self.idl_namespace_all_platforms = self.model.namespaces.get(
+        'idl_namespace_all_platforms')
+    self.idl_non_specific_platforms = Load(
+        'test/idl_namespace_non_specific_platforms.idl')
+    self.model.AddNamespace(self.idl_non_specific_platforms[0],
+        'path/to/idl_namespace_non_specific_platforms.idl')
+    self.idl_namespace_non_specific_platforms = self.model.namespaces.get(
+        'idl_namespace_non_specific_platforms')
 
   def testNamespaces(self):
-    self.assertEquals(3, len(self.model.namespaces))
+    self.assertEquals(6, len(self.model.namespaces))
     self.assertTrue(self.permissions)
 
   def testHasFunctions(self):
     self.assertEquals(["contains", "getAll", "remove", "request"],
         sorted(self.permissions.functions.keys()))
 
   def testHasTypes(self):
     self.assertEquals(['Tab'], self.tabs.types.keys())
     self.assertEquals(['Permissions'], self.permissions.types.keys())
     self.assertEquals(['Window'], self.windows.types.keys())
@@ skipping 55 matching lines @@
       'FOO': 'foo',
       'FOOBar': 'foo_bar',
       'foo.bar': 'foo_bar',
       'foo.BAR': 'foo_bar',
       'foo.barBAZ': 'foo_bar_baz',
       'foo_Bar_Baz_box': 'foo_bar_baz_box',
       }
     for name in expectations:
       self.assertEquals(expectations[name], model.UnixName(name))
 
+  def testPlatforms(self):
+    self.assertEqual([Platforms.CHROMEOS],
+                     self.idl_namespace_chromeos.platforms)
+    self.assertEqual(
+        [Platforms.CHROMEOS, Platforms.CHROMEOS_TOUCH, Platforms.LINUX,
+         Platforms.MAC, Platforms.WIN],
+        self.idl_namespace_all_platforms.platforms)
+    self.assertEqual(None,
+        self.idl_namespace_non_specific_platforms.platforms)
 
 if __name__ == '__main__':
   unittest.main()