First Commit

externals/libyuv/tools_libyuv/autoroller/unittests/roll_deps_test.py

@@ -0,0 +1,148 @@
+#!/usr/bin/env vpython3
+
+# Copyright 2017 The LibYuv Project Authors. All rights reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS. All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+import glob
+import os
+import shutil
+import sys
+import tempfile
+import unittest
+
+import roll_deps
+from roll_deps import CalculateChangedDeps, GetMatchingDepsEntries, \
+  ParseDepsDict, ParseLocalDepsFile, UpdateDepsFile
+
+SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
+PARENT_DIR = os.path.join(SCRIPT_DIR, os.pardir)
+sys.path.append(PARENT_DIR)
+
+TEST_DATA_VARS = {
+  'chromium_git': 'https://chromium.googlesource.com',
+  'chromium_revision': '1b9c098a08e40114e44b6c1ec33ddf95c40b901d',
+}
+
+DEPS_ENTRIES = {
+  'src/build': 'https://build.com',
+  'src/buildtools': 'https://buildtools.com',
+  'src/testing/gtest': 'https://gtest.com',
+  'src/testing/gmock': 'https://gmock.com',
+}
+
+BUILD_OLD_REV = '52f7afeca991d96d68cf0507e20dbdd5b845691f'
+BUILD_NEW_REV = 'HEAD'
+BUILDTOOLS_OLD_REV = '64e38f0cebdde27aa0cfb405f330063582f9ac76'
+BUILDTOOLS_NEW_REV = '55ad626b08ef971fd82a62b7abb325359542952b'
+
+
+class TestError(Exception):
+  pass
+
+
+class FakeCmd():
+  def __init__(self):
+    self.expectations = []
+
+  def add_expectation(self, *args, **kwargs):
+    returns = kwargs.pop('_returns', None)
+    self.expectations.append((args, kwargs, returns))
+
+  def __call__(self, *args, **kwargs):
+    if not self.expectations:
+      raise TestError('Got unexpected\n%s\n%s' % (args, kwargs))
+    exp_args, exp_kwargs, exp_returns = self.expectations.pop(0)
+    if args != exp_args or kwargs != exp_kwargs:
+      message = 'Expected:\n  args: %s\n  kwargs: %s\n' % (exp_args, exp_kwargs)
+      message += 'Got:\n  args: %s\n  kwargs: %s\n' % (args, kwargs)
+      raise TestError(message)
+    return exp_returns
+
+
+class TestRollChromiumRevision(unittest.TestCase):
+  def setUp(self):
+    self._output_dir = tempfile.mkdtemp()
+    for test_file in glob.glob(os.path.join(SCRIPT_DIR, 'testdata', '*')):
+      shutil.copy(test_file, self._output_dir)
+    self._libyuv_depsfile = os.path.join(self._output_dir, 'DEPS')
+    self._old_cr_depsfile = os.path.join(self._output_dir, 'DEPS.chromium.old')
+    self._new_cr_depsfile = os.path.join(self._output_dir, 'DEPS.chromium.new')
+
+    self.fake = FakeCmd()
+    self.old_RunCommand = getattr(roll_deps, '_RunCommand')
+    setattr(roll_deps, '_RunCommand', self.fake)
+
+  def tearDown(self):
+    shutil.rmtree(self._output_dir, ignore_errors=True)
+    self.assertEqual(self.fake.expectations, [])
+    setattr(roll_deps, '_RunCommand', self.old_RunCommand)
+
+  def testVarLookup(self):
+    local_scope = {'foo': 'wrong', 'vars': {'foo': 'bar'}}
+    lookup = roll_deps.VarLookup(local_scope)
+    self.assertEqual(lookup('foo'), 'bar')
+
+  def testUpdateDepsFile(self):
+    new_rev = 'aaaaabbbbbcccccdddddeeeeefffff0000011111'
+
+    current_rev = TEST_DATA_VARS['chromium_revision']
+    UpdateDepsFile(self._libyuv_depsfile, current_rev, new_rev, [])
+    with open(self._libyuv_depsfile, 'r') as deps_file:
+      deps_contents = deps_file.read()
+      self.assertTrue(new_rev in deps_contents,
+                      'Failed to find %s in\n%s' % (new_rev, deps_contents))
+
+  def testParseDepsDict(self):
+    with open(self._libyuv_depsfile, 'r') as deps_file:
+      deps_contents = deps_file.read()
+    local_scope = ParseDepsDict(deps_contents)
+    vars_dict = local_scope['vars']
+
+    def assertVar(variable_name):
+      self.assertEqual(vars_dict[variable_name], TEST_DATA_VARS[variable_name])
+    assertVar('chromium_git')
+    assertVar('chromium_revision')
+    self.assertEqual(len(local_scope['deps']), 3)
+
+  def testGetMatchingDepsEntriesReturnsPathInSimpleCase(self):
+    entries = GetMatchingDepsEntries(DEPS_ENTRIES, 'src/testing/gtest')
+    self.assertEqual(len(entries), 1)
+    self.assertEqual(entries[0], DEPS_ENTRIES['src/testing/gtest'])
+
+  def testGetMatchingDepsEntriesHandlesSimilarStartingPaths(self):
+    entries = GetMatchingDepsEntries(DEPS_ENTRIES, 'src/testing')
+    self.assertEqual(len(entries), 2)
+
+  def testGetMatchingDepsEntriesHandlesTwoPathsWithIdenticalFirstParts(self):
+    entries = GetMatchingDepsEntries(DEPS_ENTRIES, 'src/build')
+    self.assertEqual(len(entries), 1)
+    self.assertEqual(entries[0], DEPS_ENTRIES['src/build'])
+
+  def testCalculateChangedDeps(self):
+    _SetupGitLsRemoteCall(self.fake,
+        'https://chromium.googlesource.com/chromium/src/build', BUILD_NEW_REV)
+    libyuv_deps = ParseLocalDepsFile(self._libyuv_depsfile)
+    new_cr_deps = ParseLocalDepsFile(self._new_cr_depsfile)
+    changed_deps = CalculateChangedDeps(libyuv_deps, new_cr_deps)
+    self.assertEqual(len(changed_deps), 2)
+    self.assertEqual(changed_deps[0].path, 'src/build')
+    self.assertEqual(changed_deps[0].current_rev, BUILD_OLD_REV)
+    self.assertEqual(changed_deps[0].new_rev, BUILD_NEW_REV)
+
+    self.assertEqual(changed_deps[1].path, 'src/buildtools')
+    self.assertEqual(changed_deps[1].current_rev, BUILDTOOLS_OLD_REV)
+    self.assertEqual(changed_deps[1].new_rev, BUILDTOOLS_NEW_REV)
+
+
+def _SetupGitLsRemoteCall(cmd_fake, url, revision):
+  cmd = ['git', 'ls-remote', url, revision]
+  cmd_fake.add_expectation(cmd, _returns=(revision, None))
+
+
+if __name__ == '__main__':
+  unittest.main()

externals/libyuv/tools_libyuv/autoroller/unittests/testdata/DEPS

@@ -0,0 +1,21 @@
+# DEPS file for unit tests.
+
+vars = {
+  'chromium_git': 'https://chromium.googlesource.com',
+  'chromium_revision': '1b9c098a08e40114e44b6c1ec33ddf95c40b901d',
+  'ignored_str': Str(''),
+}
+
+deps = {
+  # Entry that is a directory in Chromium, so we're using a Git subtree mirror for it.
+  'src/build':
+    Var('chromium_git') + '/chromium/src/build' + '@' + '52f7afeca991d96d68cf0507e20dbdd5b845691f',
+
+  # Entry that's also a DEPS entry in the Chromium DEPS file.
+  'src/buildtools':
+    Var('chromium_git') + '/chromium/buildtools.git' + '@' + '64e38f0cebdde27aa0cfb405f330063582f9ac76',
+
+  # Entry only present in libyuv, not Chromium.
+  'src/third_party/gflags/src':
+    Var('chromium_git') + '/external/github.com/gflags/gflags@03bebcb065c83beff83d50ae025a55a4bf94dfca',
+}

externals/libyuv/tools_libyuv/autoroller/unittests/testdata/DEPS.chromium.new

@@ -0,0 +1,13 @@
+# DEPS file for unit tests.
+
+vars = {
+  'chromium_git': 'https://chromium.googlesource.com',
+
+  # This is updated compared to the DEPS.chromium.old file.
+  'buildtools_revision': '55ad626b08ef971fd82a62b7abb325359542952b',
+}
+
+deps = {
+  'src/buildtools':
+    Var('chromium_git') + '/chromium/buildtools.git' + '@' +  Var('buildtools_revision'),
+}

externals/libyuv/tools_libyuv/autoroller/unittests/testdata/DEPS.chromium.old

@@ -0,0 +1,13 @@
+# DEPS file for unit tests.
+
+vars = {
+  'chromium_git': 'https://chromium.googlesource.com',
+
+  # This is and older revision than DEPS.chromium.new file.
+  'buildtools_revision': '64e38f0cebdde27aa0cfb405f330063582f9ac76',
+}
+
+deps = {
+  'src/buildtools':
+    Var('chromium_git') + '/chromium/buildtools.git' + '@' +  Var('buildtools_revision'),
+}