Add the ability to check out a single file from a repo....

tests/gclient_test.py

 #!/usr/bin/python
 # Copyright (c) 2010 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.
 
 """Unit tests for gclient.py."""
 
 # Fixes include path.
 from super_mox import mox, IsOneOf, SuperMoxTestBase
 
@@ skipping 195 matching lines @@
 
   def testGoodClient(self):
     self.ReturnValue('runhooks', gclient.DoRunHooks, 0)
   def testError(self):
     self.ReturnValue('runhooks', gclient.DoRunHooks, 42)
   def testBadClient(self):
     self.BadClient(gclient.DoRunHooks)
 
 
 class TestDoUpdate(GenericCommandTestCase):
-  def Options(self, verbose=False, *args, **kwargs):
-    return self.OptionsObject(self, verbose=verbose, *args, **kwargs)
-
   def ReturnValue(self, command, function, return_value):
     options = self.Options()
     gclient.GClient.LoadCurrentConfig(options).AndReturn(gclient.GClient)
     gclient.GClient.GetVar("solutions")
     gclient.GClient.RunOnDeps(command, self.args).AndReturn(return_value)
 
     self.mox.ReplayAll()
     result = function(options, self.args)
     self.assertEquals(result, return_value)
 
@@ skipping 66 matching lines @@
     self.ReturnValue('revert', gclient.DoRevert, 0)
   def testError(self):
     self.ReturnValue('revert', gclient.DoRevert, 42)
   def testBadClient(self):
     self.BadClient(gclient.DoRevert)
 
 
 class GClientClassTestCase(GclientTestCase):
   def testDir(self):
     members = [
-      'ConfigContent', 'FromImpl', 'GetVar', 'LoadCurrentConfig',
+      'ConfigContent', 'FileImpl', 'FromImpl', 'GetVar', 'LoadCurrentConfig',
       'RunOnDeps', 'SaveConfig', 'SetConfig', 'SetDefaultConfig',
       'supported_commands', 'PrintRevInfo',
     ]
 
     # If you add a member, be sure to add the relevant test!
     self.compareMembers(self._gclient_gclient('root_dir', 'options'), members)
 
   def testSetConfig_ConfigContent_GetVar_SaveConfig_SetDefaultConfig(self):
     options = self.Options()
     text = "# Dummy content\nclient = 'my client'"
@@ skipping 710 matching lines @@
     self.mox.ReplayAll()
     client = self._gclient_gclient(self.root_dir, options)
     exception = "No solution specified"
     self.assertRaisesError(exception, self._gclient_gclient.RunOnDeps, client,
                            'update', self.args)
 
   def testFromImpl(self):
     # TODO(maruel):  Test me!
     pass
 
+  def testFileImpl(self):
+    # Fake .gclient file.
+    name = "testFileImpl"
+    gclient_config = (
+        "solutions = [ { 'name': '%s',"
+        "'url': '%s', } ]" % (name, self.url)
+    )
+    # Fake DEPS file.
+    target = "chromium_deps"
+    deps_content = (
+        "deps = {"
+        "  '%s': File('%s/DEPS') }" % (target, self.url)
+    )
+
+    gclient.gclient_scm.CreateSCM(self.url, self.root_dir, name).AndReturn(
+        gclient.gclient_scm.CreateSCM)
+    options = self.Options()
+    gclient.gclient_scm.CreateSCM.RunCommand('update', options, self.args, [])
+    gclient.gclient_utils.FileRead(
+        gclient.os.path.join(self.root_dir, name, options.deps_file)
+        ).AndReturn(deps_content)
+    gclient.os.path.exists(
+        gclient.os.path.join(self.root_dir, name, '.git')
+        ).AndReturn(False)
+    gclient.os.path.exists(
+        gclient.os.path.join(self.root_dir, options.entries_filename)
+        ).AndReturn(False)
+
+    # This is where gclient tries to do the initial checkout.
+    gclient.gclient_scm.CreateSCM(self.url, self.root_dir, target).AndReturn(
+        gclient.gclient_scm.CreateSCM)
+    gclient.gclient_scm.CreateSCM.RunCommand('updatesingle', options,
+        self.args + ["DEPS"], [])
+    gclient.gclient_utils.FileWrite(
+        gclient.os.path.join(self.root_dir, options.entries_filename),
+        "entries = \\\n{'%s': '%s'}\n" % (name, self.url))
+
+    self.mox.ReplayAll()
+    client = self._gclient_gclient(self.root_dir, options)
+    client.SetConfig(gclient_config)
+    client.RunOnDeps('update', self.args)
+
   def test_PrintRevInfo(self):
     # TODO(aharper): no test yet for revinfo, lock it down once we've verified
     # implementation for Pulse plugin
     pass
 
   # No test for internal functions.
   def test_GetAllDeps(self):
     pass
   def test_GetDefaultSolutionDeps(self):
     pass
   def test_LoadConfig(self):
     pass
   def test_ReadEntries(self):
     pass
   def test_SaveEntries(self):
     pass
   def test_VarImpl(self):
     pass
 
 
 if __name__ == '__main__':
   import unittest
   unittest.main()
 
 # vim: ts=2:sw=2:tw=80:et: