Tools/Scripts/webkitpy/common/net/buildbot/buildbot_unittest.py

   1 # Copyright (C) 2009 Google Inc. All rights reserved.
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  15 # this software without specific prior written permission.
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  19 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  20 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  21 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28
  29 import unittest
  30
  31 from webkitpy.common.net.layouttestresults import LayoutTestResults
  32 from webkitpy.common.net.buildbot import BuildBot, Builder, Build
  33 from webkitpy.layout_tests.models import test_results
  34 from webkitpy.layout_tests.models import test_failures
  35 from webkitpy.thirdparty.BeautifulSoup import BeautifulSoup
  36
  37
  38 class BuilderTest(unittest.TestCase):
  39     def _mock_test_result(self, testname):
  40         return test_results.TestResult(testname, [test_failures.FailureTextMismatch()])
  41
  42     def _install_fetch_build(self, failure):
  43         def _mock_fetch_build(build_number):
  44             build = Build(
  45                 builder=self.builder,
  46                 build_number=build_number,
  47                 revision=build_number + 1000,
  48                 is_green=build_number < 4
  49             )
  50             results = [self._mock_test_result(testname) for testname in failure(build_number)]
  51             build._layout_test_results = LayoutTestResults(results)
  52             return build
  53         self.builder._fetch_build = _mock_fetch_build
  54
  55     def setUp(self):
  56         self.buildbot = BuildBot()
  57         self.builder = Builder(u"Test Builder \u2661", self.buildbot)
  58         self._install_fetch_build(lambda build_number: ["test1", "test2"])
  59
  60     def test_find_regression_window(self):
  61         regression_window = self.builder.find_regression_window(self.builder.build(10))
  62         self.assertEqual(regression_window.build_before_failure().revision(), 1003)
  63         self.assertEqual(regression_window.failing_build().revision(), 1004)
  64
  65         regression_window = self.builder.find_regression_window(self.builder.build(10), look_back_limit=2)
  66         self.assertEqual(regression_window.build_before_failure(), None)
  67         self.assertEqual(regression_window.failing_build().revision(), 1008)
  68
  69     def test_none_build(self):
  70         self.builder._fetch_build = lambda build_number: None
  71         regression_window = self.builder.find_regression_window(self.builder.build(10))
  72         self.assertEqual(regression_window.build_before_failure(), None)
  73         self.assertEqual(regression_window.failing_build(), None)
  74
  75     def test_flaky_tests(self):
  76         self._install_fetch_build(lambda build_number: ["test1"] if build_number % 2 else ["test2"])
  77         regression_window = self.builder.find_regression_window(self.builder.build(10))
  78         self.assertEqual(regression_window.build_before_failure().revision(), 1009)
  79         self.assertEqual(regression_window.failing_build().revision(), 1010)
  80
  81     def test_failure_and_flaky(self):
  82         self._install_fetch_build(lambda build_number: ["test1", "test2"] if build_number % 2 else ["test2"])
  83         regression_window = self.builder.find_regression_window(self.builder.build(10))
  84         self.assertEqual(regression_window.build_before_failure().revision(), 1003)
  85         self.assertEqual(regression_window.failing_build().revision(), 1004)
  86
  87     def test_no_results(self):
  88         self._install_fetch_build(lambda build_number: ["test1", "test2"] if build_number % 2 else ["test2"])
  89         regression_window = self.builder.find_regression_window(self.builder.build(10))
  90         self.assertEqual(regression_window.build_before_failure().revision(), 1003)
  91         self.assertEqual(regression_window.failing_build().revision(), 1004)
  92
  93     def test_failure_after_flaky(self):
  94         self._install_fetch_build(lambda build_number: ["test1", "test2"] if build_number > 6 else ["test3"])
  95         regression_window = self.builder.find_regression_window(self.builder.build(10))
  96         self.assertEqual(regression_window.build_before_failure().revision(), 1006)
  97         self.assertEqual(regression_window.failing_build().revision(), 1007)
  98
  99     def test_find_blameworthy_regression_window(self):
 100         self.assertEqual(self.builder.find_blameworthy_regression_window(10).revisions(), [1004])
 101         self.assertEqual(self.builder.find_blameworthy_regression_window(10, look_back_limit=2), None)
 102         # Flakey test avoidance requires at least 2 red builds:
 103         self.assertEqual(self.builder.find_blameworthy_regression_window(4), None)
 104         self.assertEqual(self.builder.find_blameworthy_regression_window(4, avoid_flakey_tests=False).revisions(), [1004])
 105         # Green builder:
 106         self.assertEqual(self.builder.find_blameworthy_regression_window(3), None)
 107
 108     def test_build_caching(self):
 109         self.assertEqual(self.builder.build(10), self.builder.build(10))
 110
 111     def test_build_and_revision_for_filename(self):
 112         expectations = {
 113             "r47483 (1)/" : (47483, 1),
 114             "r47483 (1).zip" : (47483, 1),
 115         }
 116         for filename, revision_and_build in expectations.items():
 117             self.assertEqual(self.builder._revision_and_build_for_filename(filename), revision_and_build)
 118
 119     def test_fetch_build(self):
 120         buildbot = BuildBot()
 121         builder = Builder(u"Test Builder \u2661", buildbot)
 122
 123         def mock_fetch_build_dictionary(self, build_number):
 124             build_dictionary = {
 125                 "sourceStamp": {
 126                     "revision": None,  # revision=None means a trunk build started from the force-build button on the builder page.
 127                     },
 128                 "number": int(build_number),
 129                 # Intentionally missing the 'results' key, meaning it's a "pass" build.
 130             }
 131             return build_dictionary
 132         buildbot._fetch_build_dictionary = mock_fetch_build_dictionary
 133         self.assertNotEqual(builder._fetch_build(1), None)
 134
 135
 136 class BuildTest(unittest.TestCase):
 137     def test_layout_test_results(self):
 138         buildbot = BuildBot()
 139         builder = Builder(u"Foo Builder (test)", buildbot)
 140         build = Build(builder, None, None, None)
 141         build._fetch_file_from_results = lambda file_name: None
 142         # Test that layout_test_results() returns None if the fetch fails.
 143         self.assertEqual(build.layout_test_results(), None)
 144
 145
 146 class BuildBotTest(unittest.TestCase):
 147
 148     _example_one_box_status = '''
 149     <table>
 150     <tr>
 151     <td class="box"><a href="builders/Windows%20Debug%20%28Tests%29">Windows Debug (Tests)</a></td>
 152       <td align="center" class="LastBuild box success"><a href="builders/Windows%20Debug%20%28Tests%29/builds/3693">47380</a><br />build<br />successful</td>
 153       <td align="center" class="Activity building">building<br />ETA in<br />~ 14 mins<br />at 13:40</td>
 154     <tr>
 155     <td class="box"><a href="builders/SnowLeopard%20Intel%20Release">SnowLeopard Intel Release</a></td>
 156       <td class="LastBuild box" >no build</td>
 157       <td align="center" class="Activity building">building<br />< 1 min</td>
 158     <tr>
 159     <td class="box"><a href="builders/Qt%20Linux%20Release">Qt Linux Release</a></td>
 160       <td align="center" class="LastBuild box failure"><a href="builders/Qt%20Linux%20Release/builds/654">47383</a><br />failed<br />compile-webkit</td>
 161       <td align="center" class="Activity idle">idle<br />3 pending</td>
 162     <tr>
 163     <td class="box"><a href="builders/Qt%20Windows%2032-bit%20Debug">Qt Windows 32-bit Debug</a></td>
 164       <td align="center" class="LastBuild box failure"><a href="builders/Qt%20Windows%2032-bit%20Debug/builds/2090">60563</a><br />failed<br />failed<br />slave<br />lost</td>
 165       <td align="center" class="Activity building">building<br />ETA in<br />~ 5 mins<br />at 08:25</td>
 166     </table>
 167 '''
 168     _expected_example_one_box_parsings = [
 169         {
 170             'is_green': True,
 171             'build_number' : 3693,
 172             'name': u'Windows Debug (Tests)',
 173             'built_revision': 47380,
 174             'activity': 'building',
 175             'pending_builds': 0,
 176         },
 177         {
 178             'is_green': False,
 179             'build_number' : None,
 180             'name': u'SnowLeopard Intel Release',
 181             'built_revision': None,
 182             'activity': 'building',
 183             'pending_builds': 0,
 184         },
 185         {
 186             'is_green': False,
 187             'build_number' : 654,
 188             'name': u'Qt Linux Release',
 189             'built_revision': 47383,
 190             'activity': 'idle',
 191             'pending_builds': 3,
 192         },
 193         {
 194             'is_green': True,
 195             'build_number' : 2090,
 196             'name': u'Qt Windows 32-bit Debug',
 197             'built_revision': 60563,
 198             'activity': 'building',
 199             'pending_builds': 0,
 200         },
 201     ]
 202
 203     def test_status_parsing(self):
 204         buildbot = BuildBot()
 205
 206         soup = BeautifulSoup(self._example_one_box_status)
 207         status_table = soup.find("table")
 208         input_rows = status_table.findAll('tr')
 209
 210         for x in range(len(input_rows)):
 211             status_row = input_rows[x]
 212             expected_parsing = self._expected_example_one_box_parsings[x]
 213
 214             builder = buildbot._parse_builder_status_from_row(status_row)
 215
 216             # Make sure we aren't parsing more or less than we expect
 217             self.assertEquals(builder.keys(), expected_parsing.keys())
 218
 219             for key, expected_value in expected_parsing.items():
 220                 self.assertEquals(builder[key], expected_value, ("Builder %d parse failure for key: %s: Actual='%s' Expected='%s'" % (x, key, builder[key], expected_value)))
 221
 222     def test_core_builder_methods(self):
 223         buildbot = BuildBot()
 224
 225         # Override builder_statuses function to not touch the network.
 226         def example_builder_statuses(): # We could use instancemethod() to bind 'self' but we don't need to.
 227             return BuildBotTest._expected_example_one_box_parsings
 228         buildbot.builder_statuses = example_builder_statuses
 229
 230         buildbot.core_builder_names_regexps = [ 'Leopard', "Windows.*Build" ]
 231         self.assertEquals(buildbot.red_core_builders_names(), [])
 232         self.assertTrue(buildbot.core_builders_are_green())
 233
 234         buildbot.core_builder_names_regexps = [ 'SnowLeopard', 'Qt' ]
 235         self.assertEquals(buildbot.red_core_builders_names(), [ u'SnowLeopard Intel Release', u'Qt Linux Release' ])
 236         self.assertFalse(buildbot.core_builders_are_green())
 237
 238     def test_builder_name_regexps(self):
 239         buildbot = BuildBot()
 240
 241         # For complete testing, this list should match the list of builders at build.webkit.org:
 242         example_builders = [
 243             {'name': u'Leopard Intel Release (Build)', },
 244             {'name': u'Leopard Intel Release (Tests)', },
 245             {'name': u'Leopard Intel Debug (Build)', },
 246             {'name': u'Leopard Intel Debug (Tests)', },
 247             {'name': u'SnowLeopard Intel Release (Build)', },
 248             {'name': u'SnowLeopard Intel Release (Tests)', },
 249             {'name': u'SnowLeopard Intel Release (WebKit2 Tests)', },
 250             {'name': u'SnowLeopard Intel Leaks', },
 251             {'name': u'Windows Release (Build)', },
 252             {'name': u'Windows 7 Release (Tests)', },
 253             {'name': u'Windows Debug (Build)', },
 254             {'name': u'Windows XP Debug (Tests)', },
 255             {'name': u'Windows 7 Release (WebKit2 Tests)', },
 256             {'name': u'GTK Linux 32-bit Release', },
 257             {'name': u'GTK Linux 32-bit Debug', },
 258             {'name': u'GTK Linux 64-bit Debug', },
 259             {'name': u'Qt Linux Release', },
 260             {'name': u'Qt Linux Release minimal', },
 261             {'name': u'Qt Linux ARMv7 Release', },
 262             {'name': u'Qt Windows 32-bit Release', },
 263             {'name': u'Qt Windows 32-bit Debug', },
 264             {'name': u'Chromium Android Release', },
 265             {'name': u'Chromium Win Release', },
 266             {'name': u'Chromium Win Release (Tests)', },
 267             {'name': u'Chromium Mac Release', },
 268             {'name': u'Chromium Mac Release (Tests)', },
 269             {'name': u'Chromium Linux Release', },
 270             {'name': u'Chromium Linux Release (Tests)', },
 271             {'name': u'Leopard Intel Release (NRWT)', },
 272             {'name': u'SnowLeopard Intel Release (NRWT)', },
 273             {'name': u'New run-webkit-tests', },
 274             {'name': u'WinCairo Debug (Build)', },
 275             {'name': u'WinCE Release (Build)', },
 276             {'name': u'EFL Linux Release (Build)', },
 277         ]
 278         name_regexps = [
 279             "SnowLeopard.*Build",
 280             "SnowLeopard.*\(Test",
 281             "SnowLeopard.*\(WebKit2 Test",
 282             "Leopard.*\((?:Build|Test)",
 283             "Windows.*Build",
 284             "Windows.*\(Test",
 285             "WinCairo",
 286             "WinCE",
 287             "EFL",
 288             "GTK.*32",
 289             "GTK.*64.*Debug",  # Disallow the 64-bit Release bot which is broken.
 290             "Qt",
 291             "Chromium.*(Mac|Linux|Win).*Release$",
 292             "Chromium.*(Mac|Linux|Win).*Release.*\(Tests",
 293         ]
 294         expected_builders = [
 295             {'name': u'Leopard Intel Release (Build)', },
 296             {'name': u'Leopard Intel Release (Tests)', },
 297             {'name': u'Leopard Intel Debug (Build)', },
 298             {'name': u'Leopard Intel Debug (Tests)', },
 299             {'name': u'SnowLeopard Intel Release (Build)', },
 300             {'name': u'SnowLeopard Intel Release (Tests)', },
 301             {'name': u'SnowLeopard Intel Release (WebKit2 Tests)', },
 302             {'name': u'Windows Release (Build)', },
 303             {'name': u'Windows 7 Release (Tests)', },
 304             {'name': u'Windows Debug (Build)', },
 305             {'name': u'Windows XP Debug (Tests)', },
 306             {'name': u'GTK Linux 32-bit Release', },
 307             {'name': u'GTK Linux 32-bit Debug', },
 308             {'name': u'GTK Linux 64-bit Debug', },
 309             {'name': u'Qt Linux Release', },
 310             {'name': u'Qt Linux Release minimal', },
 311             {'name': u'Qt Linux ARMv7 Release', },
 312             {'name': u'Qt Windows 32-bit Release', },
 313             {'name': u'Qt Windows 32-bit Debug', },
 314             {'name': u'Chromium Win Release', },
 315             {'name': u'Chromium Win Release (Tests)', },
 316             {'name': u'Chromium Mac Release', },
 317             {'name': u'Chromium Mac Release (Tests)', },
 318             {'name': u'Chromium Linux Release', },
 319             {'name': u'Chromium Linux Release (Tests)', },
 320             {'name': u'WinCairo Debug (Build)', },
 321             {'name': u'WinCE Release (Build)', },
 322             {'name': u'EFL Linux Release (Build)', },
 323         ]
 324
 325         # This test should probably be updated if the default regexp list changes
 326         self.assertEquals(buildbot.core_builder_names_regexps, name_regexps)
 327
 328         builders = buildbot._builder_statuses_with_names_matching_regexps(example_builders, name_regexps)
 329         self.assertEquals(builders, expected_builders)
 330
 331     def test_builder_with_name(self):
 332         buildbot = BuildBot()
 333
 334         builder = buildbot.builder_with_name("Test Builder")
 335         self.assertEqual(builder.name(), "Test Builder")
 336         self.assertEqual(builder.url(), "http://build.webkit.org/builders/Test%20Builder")
 337         self.assertEqual(builder.url_encoded_name(), "Test%20Builder")
 338         self.assertEqual(builder.results_url(), "http://build.webkit.org/results/Test%20Builder")
 339
 340         # Override _fetch_build_dictionary function to not touch the network.
 341         def mock_fetch_build_dictionary(self, build_number):
 342             build_dictionary = {
 343                 "sourceStamp": {
 344                     "revision" : 2 * build_number,
 345                     },
 346                 "number" : int(build_number),
 347                 "results" : build_number % 2, # 0 means pass
 348             }
 349             return build_dictionary
 350         buildbot._fetch_build_dictionary = mock_fetch_build_dictionary
 351
 352         build = builder.build(10)
 353         self.assertEqual(build.builder(), builder)
 354         self.assertEqual(build.url(), "http://build.webkit.org/builders/Test%20Builder/builds/10")
 355         self.assertEqual(build.results_url(), "http://build.webkit.org/results/Test%20Builder/r20%20%2810%29")
 356         self.assertEqual(build.revision(), 20)
 357         self.assertEqual(build.is_green(), True)
 358
 359         build = build.previous_build()
 360         self.assertEqual(build.builder(), builder)
 361         self.assertEqual(build.url(), "http://build.webkit.org/builders/Test%20Builder/builds/9")
 362         self.assertEqual(build.results_url(), "http://build.webkit.org/results/Test%20Builder/r18%20%289%29")
 363         self.assertEqual(build.revision(), 18)
 364         self.assertEqual(build.is_green(), False)
 365
 366         self.assertEqual(builder.build(None), None)
 367
 368     _example_directory_listing = '''
 369 <h1>Directory listing for /results/SnowLeopard Intel Leaks/</h1>
 370
 371 <table>
 372         <tr class="alt">
 373             <th>Filename</th>
 374             <th>Size</th>
 375             <th>Content type</th>
 376             <th>Content encoding</th>
 377         </tr>
 378 <tr class="directory ">
 379     <td><a href="r47483%20%281%29/"><b>r47483 (1)/</b></a></td>
 380     <td><b></b></td>
 381     <td><b>[Directory]</b></td>
 382     <td><b></b></td>
 383 </tr>
 384 <tr class="file alt">
 385     <td><a href="r47484%20%282%29.zip">r47484 (2).zip</a></td>
 386     <td>89K</td>
 387     <td>[application/zip]</td>
 388     <td></td>
 389 </tr>
 390 '''
 391     _expected_files = [
 392         {
 393             "filename" : "r47483 (1)/",
 394             "size" : "",
 395             "type" : "[Directory]",
 396             "encoding" : "",
 397         },
 398         {
 399             "filename" : "r47484 (2).zip",
 400             "size" : "89K",
 401             "type" : "[application/zip]",
 402             "encoding" : "",
 403         },
 404     ]
 405
 406     def test_parse_build_to_revision_map(self):
 407         buildbot = BuildBot()
 408         files = buildbot._parse_twisted_directory_listing(self._example_directory_listing)
 409         self.assertEqual(self._expected_files, files)
 410
 411     # Revision, is_green
 412     # Ordered from newest (highest number) to oldest.
 413     fake_builder1 = [
 414         [2, False],
 415         [1, True],
 416     ]
 417     fake_builder2 = [
 418         [2, False],
 419         [1, True],
 420     ]
 421     fake_builders = [
 422         fake_builder1,
 423         fake_builder2,
 424     ]
 425     def _build_from_fake(self, fake_builder, index):
 426         if index >= len(fake_builder):
 427             return None
 428         fake_build = fake_builder[index]
 429         build = Build(
 430             builder=fake_builder,
 431             build_number=index,
 432             revision=fake_build[0],
 433             is_green=fake_build[1],
 434         )
 435         def mock_previous_build():
 436             return self._build_from_fake(fake_builder, index + 1)
 437         build.previous_build = mock_previous_build
 438         return build
 439
 440     def _fake_builds_at_index(self, index):
 441         return [self._build_from_fake(builder, index) for builder in self.fake_builders]
 442
 443     def test_last_green_revision(self):
 444         buildbot = BuildBot()
 445         def mock_builds_from_builders(only_core_builders):
 446             return self._fake_builds_at_index(0)
 447         buildbot._latest_builds_from_builders = mock_builds_from_builders
 448         self.assertEqual(buildbot.last_green_revision(), 1)
 449
 450     def _fetch_build(self, build_number):
 451         if build_number == 5:
 452             return "correct build"
 453         return "wrong build"
 454
 455     def _fetch_revision_to_build_map(self):
 456         return {'r5': 5, 'r2': 2, 'r3': 3}
 457
 458     def test_latest_cached_build(self):
 459         b = Builder('builder', BuildBot())
 460         b._fetch_build = self._fetch_build
 461         b._fetch_revision_to_build_map = self._fetch_revision_to_build_map
 462         self.assertEquals("correct build", b.latest_cached_build())
 463
 464     def results_url(self):
 465         return "some-url"
 466
 467     def test_results_zip_url(self):
 468         b = Build(None, 123, 123, False)
 469         b.results_url = self.results_url
 470         self.assertEquals("some-url.zip", b.results_zip_url())
 471
 472
 473 if __name__ == '__main__':
 474     unittest.main()