gclient: print a warning if a dep would get deleted or moved in the future

tests/gclient_smoketest.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.
 
 """Smoke tests for gclient.py.
 
 Shell out 'gclient' and run basic conformance tests.
 
 This test assumes GClientSmokeBase.URL_BASE is valid.
 """
 
 import logging
 import os
 import re
 import subprocess
 import sys
 import unittest
 
 ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 sys.path.insert(0, ROOT_DIR)
 
 from testing_support.fake_repos import join, write
-from testing_support.fake_repos import FakeReposTestBase, FakeRepoTransitive
+from testing_support.fake_repos import FakeReposTestBase, FakeRepoTransitive, \
+                                       FakeRepoSkiaDEPS
 
 import gclient_utils
+import scm as gclient_scm
 
 import subprocess2
 
 GCLIENT_PATH = os.path.join(ROOT_DIR, 'gclient')
 COVERAGE = False
 
 
 class GClientSmokeBase(FakeReposTestBase):
   def setUp(self):
     super(GClientSmokeBase, self).setUp()
@@ skipping 1353 matching lines @@
         ('git', 'repo_2@' + self.githash('repo_2', 1)[:7], 'src/repo2'),
         ('git', 'repo_3', 'src/repo2/repo_renamed'),
         ('svn', 'trunk/third_party/foo@1', 'src/third_party/foo'),
       ]
     expected = [(scm, bases[scm] + url, os.path.join(self.root_dir, path))
                 for (scm, url, path) in expected_source]
 
     self.assertEquals(sorted(entries), sorted(expected))
 
 
+class SkiaDEPSTransitionSmokeTest(GClientSmokeBase):
+  """Simulate the behavior of bisect bots as they transition across the Skia
+  DEPS change."""
+
+  FAKE_REPOS_CLASS = FakeRepoSkiaDEPS
+
+  def setUp(self):
+    super(SkiaDEPSTransitionSmokeTest, self).setUp()
+    self.enabled = self.FAKE_REPOS.set_up_git() and self.FAKE_REPOS.set_up_svn()
+
+  def testSkiaDEPSChangeSVN(self):
+    if not self.enabled:
+      return
+
+    # Create an initial checkout:
+    # - Single checkout at the root.
+    # - Multiple checkouts in a shared subdirectory.
+    self.gclient(['config', '--spec',
+        'solutions=['
+        '{"name": "src",'
+        ' "url": "' + self.svn_base + 'trunk/src/",'
+        '}]'])
+
+    checkout_path = os.path.join(self.root_dir, 'src')
+    skia = os.path.join(checkout_path, 'third_party', 'skia')
+    skia_gyp = os.path.join(skia, 'gyp')
+    skia_include = os.path.join(skia, 'include')
+    skia_src = os.path.join(skia, 'src')
+
+    gyp_svn_url = self.svn_base + 'skia/gyp'
+    include_svn_url = self.svn_base + 'skia/include'
+    src_svn_url = self.svn_base + 'skia/src'
+    skia_git_url = self.git_base + 'repo_1'
+
+    # Initial sync. Verify that we get the expected checkout.
+    res = self.gclient(['sync', '--deps', 'mac', '--revision', 'src@2'])
+    self.assertEqual(res[2], 0, 'Initial sync failed.')
+    self.assertEqual(gclient_scm.SVN.CaptureLocalInfo([], skia_gyp)['URL'],
+                     gyp_svn_url)
+    self.assertEqual(gclient_scm.SVN.CaptureLocalInfo([], skia_include)['URL'],
+                     include_svn_url)
+    self.assertEqual(gclient_scm.SVN.CaptureLocalInfo([], skia_src)['URL'],
+                     src_svn_url)
+
+    # Verify that the sync succeeds. Verify that we have the  expected merged
+    # checkout.
+    res = self.gclient(['sync', '--deps', 'mac', '--revision', 'src@3'])
+    self.assertEqual(res[2], 0, 'DEPS change sync failed.')
+    self.assertEqual(gclient_scm.GIT.Capture(['config', 'remote.origin.url'],
+                                             skia), skia_git_url)
+
+    # Sync again. Verify that we still have the expected merged checkout.
+    res = self.gclient(['sync', '--deps', 'mac', '--revision', 'src@3'])
+    self.assertEqual(res[2], 0, 'Subsequent sync failed.')
+    self.assertEqual(gclient_scm.GIT.Capture(['config', 'remote.origin.url'],
+                                             skia), skia_git_url)
+
+    # Sync back to the original DEPS. Verify that we get the original structure.
+    res = self.gclient(['sync', '--deps', 'mac', '--revision', 'src@2'])
+    self.assertEqual(res[2], 0, 'Reverse sync failed.')
+    self.assertEqual(gclient_scm.SVN.CaptureLocalInfo([], skia_gyp)['URL'],
+                     gyp_svn_url)
+    self.assertEqual(gclient_scm.SVN.CaptureLocalInfo([], skia_include)['URL'],
+                     include_svn_url)
+    self.assertEqual(gclient_scm.SVN.CaptureLocalInfo([], skia_src)['URL'],
+                     src_svn_url)
+
+    # Sync again. Verify that we still have the original structure.
+    res = self.gclient(['sync', '--deps', 'mac', '--revision', 'src@2'])
+    self.assertEqual(res[2], 0, 'Subsequent sync #2 failed.')
+    self.assertEqual(gclient_scm.SVN.CaptureLocalInfo([], skia_gyp)['URL'],
+                     gyp_svn_url)
+    self.assertEqual(gclient_scm.SVN.CaptureLocalInfo([], skia_include)['URL'],
+                     include_svn_url)
+    self.assertEqual(gclient_scm.SVN.CaptureLocalInfo([], skia_src)['URL'],
+                     src_svn_url)
+
+  def testSkiaDEPSChangeGit(self):
+    if not self.enabled:
+      return
+
+    # Create an initial checkout:
+    # - Single checkout at the root.
+    # - Multiple checkouts in a shared subdirectory.
+    self.gclient(['config', '--spec',
+        'solutions=['
+        '{"name": "src",'
+        ' "url": "' + self.git_base + 'repo_2",'
+        '}]'])
+
+    checkout_path = os.path.join(self.root_dir, 'src')
+    skia = os.path.join(checkout_path, 'third_party', 'skia')
+    skia_gyp = os.path.join(skia, 'gyp')
+    skia_include = os.path.join(skia, 'include')
+    skia_src = os.path.join(skia, 'src')
+
+    gyp_git_url = self.git_base + 'repo_3'
+    include_git_url = self.git_base + 'repo_4'
+    src_git_url = self.git_base + 'repo_5'
+    skia_git_url = self.FAKE_REPOS.git_base + 'repo_1'
+
+    pre_hash = self.githash('repo_2', 1)
+    post_hash = self.githash('repo_2', 2)
+
+    # Initial sync. Verify that we get the expected checkout.
+    res = self.gclient(['sync', '--deps', 'mac', '--revision',
+                        'src@%s' % pre_hash])
+    self.assertEqual(res[2], 0, 'Initial sync failed.')
+    self.assertEqual(gclient_scm.GIT.Capture(['config', 'remote.origin.url'],
+                                             skia_gyp), gyp_git_url)
+    self.assertEqual(gclient_scm.GIT.Capture(['config', 'remote.origin.url'],
+                                             skia_include), include_git_url)
+    self.assertEqual(gclient_scm.GIT.Capture(['config', 'remote.origin.url'],
+                                             skia_src), src_git_url)
+
+    # Verify that the sync succeeds. Verify that we have the  expected merged
+    # checkout.
+    res = self.gclient(['sync', '--deps', 'mac', '--revision',
+                        'src@%s' % post_hash])
+    self.assertEqual(res[2], 0, 'DEPS change sync failed.')
+    self.assertEqual(gclient_scm.GIT.Capture(['config', 'remote.origin.url'],
+                                             skia), skia_git_url)
+
+    # Sync again. Verify that we still have the expected merged checkout.
+    res = self.gclient(['sync', '--deps', 'mac', '--revision',
+                        'src@%s' % post_hash])
+    self.assertEqual(res[2], 0, 'Subsequent sync failed.')
+    self.assertEqual(gclient_scm.GIT.Capture(['config', 'remote.origin.url'],
+                                             skia), skia_git_url)
+
+    # Sync back to the original DEPS. Verify that we get the original structure.
+    res = self.gclient(['sync', '--deps', 'mac', '--revision',
+                        'src@%s' % pre_hash])
+    self.assertEqual(res[2], 0, 'Reverse sync failed.')
+    self.assertEqual(gclient_scm.GIT.Capture(['config', 'remote.origin.url'],
+                                             skia_gyp), gyp_git_url)
+    self.assertEqual(gclient_scm.GIT.Capture(['config', 'remote.origin.url'],
+                                             skia_include), include_git_url)
+    self.assertEqual(gclient_scm.GIT.Capture(['config', 'remote.origin.url'],
+                                             skia_src), src_git_url)
+
+    # Sync again. Verify that we still have the original structure.
+    res = self.gclient(['sync', '--deps', 'mac', '--revision',
+                        'src@%s' % pre_hash])
+    self.assertEqual(res[2], 0, 'Subsequent sync #2 failed.')
+    self.assertEqual(gclient_scm.GIT.Capture(['config', 'remote.origin.url'],
+                                             skia_gyp), gyp_git_url)
+    self.assertEqual(gclient_scm.GIT.Capture(['config', 'remote.origin.url'],
+                                             skia_include), include_git_url)
+    self.assertEqual(gclient_scm.GIT.Capture(['config', 'remote.origin.url'],
+                                             skia_src), src_git_url)
+
+
 class GClientSmokeFromCheckout(GClientSmokeBase):
   # WebKit abuses this. It has a .gclient and a DEPS from a checkout.
   def setUp(self):
     super(GClientSmokeFromCheckout, self).setUp()
     self.enabled = self.FAKE_REPOS.set_up_svn()
     os.rmdir(self.root_dir)
     if self.enabled:
       usr, pwd = self.FAKE_REPOS.USERS[0]
       subprocess2.check_call(
           ['svn', 'checkout', self.svn_base + '/trunk/webkit',
@@ skipping 87 matching lines @@
 
   if '-c' in sys.argv:
     COVERAGE = True
     sys.argv.remove('-c')
     if os.path.exists('.coverage'):
       os.remove('.coverage')
     os.environ['COVERAGE_FILE'] = os.path.join(
         os.path.dirname(os.path.dirname(os.path.abspath(__file__))),
         '.coverage')
   unittest.main()