WebKitTools/Scripts/webkitpy/common/net/buildbot_unittest.py
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     1 # Copyright (C) 2009 Google Inc. All rights reserved.
       
     2 #
       
     3 # Redistribution and use in source and binary forms, with or without
       
     4 # modification, are permitted provided that the following conditions are
       
     5 # met:
       
     6 #
       
     7 #    * Redistributions of source code must retain the above copyright
       
     8 # notice, this list of conditions and the following disclaimer.
       
     9 #    * Redistributions in binary form must reproduce the above
       
    10 # copyright notice, this list of conditions and the following disclaimer
       
    11 # in the documentation and/or other materials provided with the
       
    12 # distribution.
       
    13 #    * Neither the name of Google Inc. nor the names of its
       
    14 # contributors may be used to endorse or promote products derived from
       
    15 # this software without specific prior written permission.
       
    16 #
       
    17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
       
    18 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
       
    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,
       
    22 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
       
    23 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
       
    24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
       
    25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
       
    26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
       
    27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
       
    28 
       
    29 import unittest
       
    30 
       
    31 from webkitpy.common.net.buildbot import BuildBot, Builder, Build, LayoutTestResults
       
    32 
       
    33 from webkitpy.thirdparty.BeautifulSoup import BeautifulSoup
       
    34 
       
    35 
       
    36 class BuilderTest(unittest.TestCase):
       
    37     def _install_fetch_build(self, failure):
       
    38         def _mock_fetch_build(build_number):
       
    39             build = Build(
       
    40                 builder=self.builder,
       
    41                 build_number=build_number,
       
    42                 revision=build_number + 1000,
       
    43                 is_green=build_number < 4
       
    44             )
       
    45             build._layout_test_results = LayoutTestResults(
       
    46                 "http://buildbot.example.com/foo", {
       
    47                     LayoutTestResults.fail_key: failure(build_number),
       
    48                 })
       
    49             return build
       
    50         self.builder._fetch_build = _mock_fetch_build
       
    51 
       
    52     def setUp(self):
       
    53         self.buildbot = BuildBot()
       
    54         self.builder = Builder(u"Test Builder \u2661", self.buildbot)
       
    55         self._install_fetch_build(lambda build_number: ["test1", "test2"])
       
    56 
       
    57     def test_find_failure_transition(self):
       
    58         (green_build, red_build) = self.builder.find_failure_transition(self.builder.build(10))
       
    59         self.assertEqual(green_build.revision(), 1003)
       
    60         self.assertEqual(red_build.revision(), 1004)
       
    61 
       
    62         (green_build, red_build) = self.builder.find_failure_transition(self.builder.build(10), look_back_limit=2)
       
    63         self.assertEqual(green_build, None)
       
    64         self.assertEqual(red_build.revision(), 1008)
       
    65 
       
    66     def test_none_build(self):
       
    67         self.builder._fetch_build = lambda build_number: None
       
    68         (green_build, red_build) = self.builder.find_failure_transition(self.builder.build(10))
       
    69         self.assertEqual(green_build, None)
       
    70         self.assertEqual(red_build, None)
       
    71 
       
    72     def test_flaky_tests(self):
       
    73         self._install_fetch_build(lambda build_number: ["test1"] if build_number % 2 else ["test2"])
       
    74         (green_build, red_build) = self.builder.find_failure_transition(self.builder.build(10))
       
    75         self.assertEqual(green_build.revision(), 1009)
       
    76         self.assertEqual(red_build.revision(), 1010)
       
    77 
       
    78     def test_failure_and_flaky(self):
       
    79         self._install_fetch_build(lambda build_number: ["test1", "test2"] if build_number % 2 else ["test2"])
       
    80         (green_build, red_build) = self.builder.find_failure_transition(self.builder.build(10))
       
    81         self.assertEqual(green_build.revision(), 1003)
       
    82         self.assertEqual(red_build.revision(), 1004)
       
    83 
       
    84     def test_no_results(self):
       
    85         self._install_fetch_build(lambda build_number: ["test1", "test2"] if build_number % 2 else ["test2"])
       
    86         (green_build, red_build) = self.builder.find_failure_transition(self.builder.build(10))
       
    87         self.assertEqual(green_build.revision(), 1003)
       
    88         self.assertEqual(red_build.revision(), 1004)
       
    89 
       
    90     def test_failure_after_flaky(self):
       
    91         self._install_fetch_build(lambda build_number: ["test1", "test2"] if build_number > 6 else ["test3"])
       
    92         (green_build, red_build) = self.builder.find_failure_transition(self.builder.build(10))
       
    93         self.assertEqual(green_build.revision(), 1006)
       
    94         self.assertEqual(red_build.revision(), 1007)
       
    95 
       
    96     def test_blameworthy_revisions(self):
       
    97         self.assertEqual(self.builder.blameworthy_revisions(10), [1004])
       
    98         self.assertEqual(self.builder.blameworthy_revisions(10, look_back_limit=2), [])
       
    99         # Flakey test avoidance requires at least 2 red builds:
       
   100         self.assertEqual(self.builder.blameworthy_revisions(4), [])
       
   101         self.assertEqual(self.builder.blameworthy_revisions(4, avoid_flakey_tests=False), [1004])
       
   102         # Green builder:
       
   103         self.assertEqual(self.builder.blameworthy_revisions(3), [])
       
   104 
       
   105     def test_build_caching(self):
       
   106         self.assertEqual(self.builder.build(10), self.builder.build(10))
       
   107 
       
   108     def test_build_and_revision_for_filename(self):
       
   109         expectations = {
       
   110             "r47483 (1)/" : (47483, 1),
       
   111             "r47483 (1).zip" : (47483, 1),
       
   112         }
       
   113         for filename, revision_and_build in expectations.items():
       
   114             self.assertEqual(self.builder._revision_and_build_for_filename(filename), revision_and_build)
       
   115 
       
   116 
       
   117 class LayoutTestResultsTest(unittest.TestCase):
       
   118     _example_results_html = """
       
   119 <html>
       
   120 <head>
       
   121 <title>Layout Test Results</title>
       
   122 </head>
       
   123 <body>
       
   124 <p>Tests that had stderr output:</p>
       
   125 <table>
       
   126 <tr>
       
   127 <td><a href="/var/lib/buildbot/build/gtk-linux-64-release/build/LayoutTests/accessibility/aria-activedescendant-crash.html">accessibility/aria-activedescendant-crash.html</a></td>
       
   128 <td><a href="accessibility/aria-activedescendant-crash-stderr.txt">stderr</a></td>
       
   129 </tr>
       
   130 <td><a href="/var/lib/buildbot/build/gtk-linux-64-release/build/LayoutTests/http/tests/security/canvas-remote-read-svg-image.html">http/tests/security/canvas-remote-read-svg-image.html</a></td>
       
   131 <td><a href="http/tests/security/canvas-remote-read-svg-image-stderr.txt">stderr</a></td>
       
   132 </tr>
       
   133 </table><p>Tests that had no expected results (probably new):</p>
       
   134 <table>
       
   135 <tr>
       
   136 <td><a href="/var/lib/buildbot/build/gtk-linux-64-release/build/LayoutTests/fast/repaint/no-caret-repaint-in-non-content-editable-element.html">fast/repaint/no-caret-repaint-in-non-content-editable-element.html</a></td>
       
   137 <td><a href="fast/repaint/no-caret-repaint-in-non-content-editable-element-actual.txt">result</a></td>
       
   138 </tr>
       
   139 </table></body>
       
   140 </html>
       
   141 """
       
   142 
       
   143     _expected_layout_test_results = {
       
   144         'Tests that had stderr output:' : [
       
   145             'accessibility/aria-activedescendant-crash.html'
       
   146         ],
       
   147         'Tests that had no expected results (probably new):' : [
       
   148             'fast/repaint/no-caret-repaint-in-non-content-editable-element.html'
       
   149         ]
       
   150     }
       
   151     def test_parse_layout_test_results(self):
       
   152         results = LayoutTestResults._parse_results_html(self._example_results_html)
       
   153         self.assertEqual(self._expected_layout_test_results, results)
       
   154 
       
   155 
       
   156 class BuildBotTest(unittest.TestCase):
       
   157 
       
   158     _example_one_box_status = '''
       
   159     <table>
       
   160     <tr>
       
   161     <td class="box"><a href="builders/Windows%20Debug%20%28Tests%29">Windows Debug (Tests)</a></td>
       
   162       <td align="center" class="LastBuild box success"><a href="builders/Windows%20Debug%20%28Tests%29/builds/3693">47380</a><br />build<br />successful</td>
       
   163       <td align="center" class="Activity building">building<br />ETA in<br />~ 14 mins<br />at 13:40</td>
       
   164     <tr>
       
   165     <td class="box"><a href="builders/SnowLeopard%20Intel%20Release">SnowLeopard Intel Release</a></td>
       
   166       <td class="LastBuild box" >no build</td>
       
   167       <td align="center" class="Activity building">building<br />< 1 min</td>
       
   168     <tr>
       
   169     <td class="box"><a href="builders/Qt%20Linux%20Release">Qt Linux Release</a></td>
       
   170       <td align="center" class="LastBuild box failure"><a href="builders/Qt%20Linux%20Release/builds/654">47383</a><br />failed<br />compile-webkit</td>
       
   171       <td align="center" class="Activity idle">idle<br />3 pending</td>
       
   172     <tr>
       
   173     <td class="box"><a href="builders/Qt%20Windows%2032-bit%20Debug">Qt Windows 32-bit Debug</a></td>
       
   174       <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>
       
   175       <td align="center" class="Activity building">building<br />ETA in<br />~ 5 mins<br />at 08:25</td>
       
   176     </table>
       
   177 '''
       
   178     _expected_example_one_box_parsings = [
       
   179         {
       
   180             'is_green': True,
       
   181             'build_number' : 3693,
       
   182             'name': u'Windows Debug (Tests)',
       
   183             'built_revision': 47380,
       
   184             'activity': 'building',
       
   185             'pending_builds': 0,
       
   186         },
       
   187         {
       
   188             'is_green': False,
       
   189             'build_number' : None,
       
   190             'name': u'SnowLeopard Intel Release',
       
   191             'built_revision': None,
       
   192             'activity': 'building',
       
   193             'pending_builds': 0,
       
   194         },
       
   195         {
       
   196             'is_green': False,
       
   197             'build_number' : 654,
       
   198             'name': u'Qt Linux Release',
       
   199             'built_revision': 47383,
       
   200             'activity': 'idle',
       
   201             'pending_builds': 3,
       
   202         },
       
   203         {
       
   204             'is_green': True,
       
   205             'build_number' : 2090,
       
   206             'name': u'Qt Windows 32-bit Debug',
       
   207             'built_revision': 60563,
       
   208             'activity': 'building',
       
   209             'pending_builds': 0,
       
   210         },
       
   211     ]
       
   212 
       
   213     def test_status_parsing(self):
       
   214         buildbot = BuildBot()
       
   215 
       
   216         soup = BeautifulSoup(self._example_one_box_status)
       
   217         status_table = soup.find("table")
       
   218         input_rows = status_table.findAll('tr')
       
   219 
       
   220         for x in range(len(input_rows)):
       
   221             status_row = input_rows[x]
       
   222             expected_parsing = self._expected_example_one_box_parsings[x]
       
   223 
       
   224             builder = buildbot._parse_builder_status_from_row(status_row)
       
   225 
       
   226             # Make sure we aren't parsing more or less than we expect
       
   227             self.assertEquals(builder.keys(), expected_parsing.keys())
       
   228 
       
   229             for key, expected_value in expected_parsing.items():
       
   230                 self.assertEquals(builder[key], expected_value, ("Builder %d parse failure for key: %s: Actual='%s' Expected='%s'" % (x, key, builder[key], expected_value)))
       
   231 
       
   232     def test_core_builder_methods(self):
       
   233         buildbot = BuildBot()
       
   234 
       
   235         # Override builder_statuses function to not touch the network.
       
   236         def example_builder_statuses(): # We could use instancemethod() to bind 'self' but we don't need to.
       
   237             return BuildBotTest._expected_example_one_box_parsings
       
   238         buildbot.builder_statuses = example_builder_statuses
       
   239 
       
   240         buildbot.core_builder_names_regexps = [ 'Leopard', "Windows.*Build" ]
       
   241         self.assertEquals(buildbot.red_core_builders_names(), [])
       
   242         self.assertTrue(buildbot.core_builders_are_green())
       
   243 
       
   244         buildbot.core_builder_names_regexps = [ 'SnowLeopard', 'Qt' ]
       
   245         self.assertEquals(buildbot.red_core_builders_names(), [ u'SnowLeopard Intel Release', u'Qt Linux Release' ])
       
   246         self.assertFalse(buildbot.core_builders_are_green())
       
   247 
       
   248     def test_builder_name_regexps(self):
       
   249         buildbot = BuildBot()
       
   250 
       
   251         # For complete testing, this list should match the list of builders at build.webkit.org:
       
   252         example_builders = [
       
   253             {'name': u'Tiger Intel Release', },
       
   254             {'name': u'Leopard Intel Release (Build)', },
       
   255             {'name': u'Leopard Intel Release (Tests)', },
       
   256             {'name': u'Leopard Intel Debug (Build)', },
       
   257             {'name': u'Leopard Intel Debug (Tests)', },
       
   258             {'name': u'SnowLeopard Intel Release (Build)', },
       
   259             {'name': u'SnowLeopard Intel Release (Tests)', },
       
   260             {'name': u'SnowLeopard Intel Leaks', },
       
   261             {'name': u'Windows Release (Build)', },
       
   262             {'name': u'Windows Release (Tests)', },
       
   263             {'name': u'Windows Debug (Build)', },
       
   264             {'name': u'Windows Debug (Tests)', },
       
   265             {'name': u'GTK Linux 32-bit Release', },
       
   266             {'name': u'GTK Linux 32-bit Debug', },
       
   267             {'name': u'GTK Linux 64-bit Debug', },
       
   268             {'name': u'GTK Linux 64-bit Release', },
       
   269             {'name': u'Qt Linux Release', },
       
   270             {'name': u'Qt Linux Release minimal', },
       
   271             {'name': u'Qt Linux ARMv5 Release', },
       
   272             {'name': u'Qt Linux ARMv7 Release', },
       
   273             {'name': u'Qt Windows 32-bit Release', },
       
   274             {'name': u'Qt Windows 32-bit Debug', },
       
   275             {'name': u'Chromium Linux Release', },
       
   276             {'name': u'Chromium Mac Release', },
       
   277             {'name': u'Chromium Win Release', },
       
   278             {'name': u'Chromium Linux Release (Tests)', },
       
   279             {'name': u'Chromium Mac Release (Tests)', },
       
   280             {'name': u'Chromium Win Release (Tests)', },
       
   281             {'name': u'New run-webkit-tests', },
       
   282         ]
       
   283         name_regexps = [
       
   284             "SnowLeopard.*Build",
       
   285             "SnowLeopard.*Test",
       
   286             "Leopard",
       
   287             "Tiger",
       
   288             "Windows.*Build",
       
   289             "GTK.*32",
       
   290             "GTK.*64.*Debug",  # Disallow the 64-bit Release bot which is broken.
       
   291             "Qt",
       
   292             "Chromium.*Release$",
       
   293         ]
       
   294         expected_builders = [
       
   295             {'name': u'Tiger Intel Release', },
       
   296             {'name': u'Leopard Intel Release (Build)', },
       
   297             {'name': u'Leopard Intel Release (Tests)', },
       
   298             {'name': u'Leopard Intel Debug (Build)', },
       
   299             {'name': u'Leopard Intel Debug (Tests)', },
       
   300             {'name': u'SnowLeopard Intel Release (Build)', },
       
   301             {'name': u'SnowLeopard Intel Release (Tests)', },
       
   302             {'name': u'Windows Release (Build)', },
       
   303             {'name': u'Windows Debug (Build)', },
       
   304             {'name': u'GTK Linux 32-bit Release', },
       
   305             {'name': u'GTK Linux 32-bit Debug', },
       
   306             {'name': u'GTK Linux 64-bit Debug', },
       
   307             {'name': u'Qt Linux Release', },
       
   308             {'name': u'Qt Linux Release minimal', },
       
   309             {'name': u'Qt Linux ARMv5 Release', },
       
   310             {'name': u'Qt Linux ARMv7 Release', },
       
   311             {'name': u'Qt Windows 32-bit Release', },
       
   312             {'name': u'Qt Windows 32-bit Debug', },
       
   313             {'name': u'Chromium Linux Release', },
       
   314             {'name': u'Chromium Mac Release', },
       
   315             {'name': u'Chromium Win Release', },
       
   316         ]
       
   317 
       
   318         # This test should probably be updated if the default regexp list changes
       
   319         self.assertEquals(buildbot.core_builder_names_regexps, name_regexps)
       
   320 
       
   321         builders = buildbot._builder_statuses_with_names_matching_regexps(example_builders, name_regexps)
       
   322         self.assertEquals(builders, expected_builders)
       
   323 
       
   324     def test_builder_with_name(self):
       
   325         buildbot = BuildBot()
       
   326 
       
   327         builder = buildbot.builder_with_name("Test Builder")
       
   328         self.assertEqual(builder.name(), "Test Builder")
       
   329         self.assertEqual(builder.url(), "http://build.webkit.org/builders/Test%20Builder")
       
   330         self.assertEqual(builder.url_encoded_name(), "Test%20Builder")
       
   331         self.assertEqual(builder.results_url(), "http://build.webkit.org/results/Test%20Builder")
       
   332 
       
   333         # Override _fetch_xmlrpc_build_dictionary function to not touch the network.
       
   334         def mock_fetch_xmlrpc_build_dictionary(self, build_number):
       
   335             build_dictionary = {
       
   336                 "revision" : 2 * build_number,
       
   337                 "number" : int(build_number),
       
   338                 "results" : build_number % 2, # 0 means pass
       
   339             }
       
   340             return build_dictionary
       
   341         buildbot._fetch_xmlrpc_build_dictionary = mock_fetch_xmlrpc_build_dictionary
       
   342 
       
   343         build = builder.build(10)
       
   344         self.assertEqual(build.builder(), builder)
       
   345         self.assertEqual(build.url(), "http://build.webkit.org/builders/Test%20Builder/builds/10")
       
   346         self.assertEqual(build.results_url(), "http://build.webkit.org/results/Test%20Builder/r20%20%2810%29")
       
   347         self.assertEqual(build.revision(), 20)
       
   348         self.assertEqual(build.is_green(), True)
       
   349 
       
   350         build = build.previous_build()
       
   351         self.assertEqual(build.builder(), builder)
       
   352         self.assertEqual(build.url(), "http://build.webkit.org/builders/Test%20Builder/builds/9")
       
   353         self.assertEqual(build.results_url(), "http://build.webkit.org/results/Test%20Builder/r18%20%289%29")
       
   354         self.assertEqual(build.revision(), 18)
       
   355         self.assertEqual(build.is_green(), False)
       
   356 
       
   357         self.assertEqual(builder.build(None), None)
       
   358 
       
   359     _example_directory_listing = '''
       
   360 <h1>Directory listing for /results/SnowLeopard Intel Leaks/</h1>
       
   361 
       
   362 <table>
       
   363     <thead>
       
   364         <tr>
       
   365             <th>Filename</th>
       
   366             <th>Size</th>
       
   367             <th>Content type</th>
       
   368             <th>Content encoding</th>
       
   369         </tr>
       
   370     </thead>
       
   371     <tbody>
       
   372 <tr class="odd">
       
   373     <td><a href="r47483%20%281%29/">r47483 (1)/</a></td>
       
   374     <td></td>
       
   375     <td>[Directory]</td>
       
   376     <td></td>
       
   377 </tr>
       
   378 <tr class="odd">
       
   379     <td><a href="r47484%20%282%29.zip">r47484 (2).zip</a></td>
       
   380     <td>89K</td>
       
   381     <td>[application/zip]</td>
       
   382     <td></td>
       
   383 </tr>
       
   384 '''
       
   385     _expected_files = [
       
   386         {
       
   387             "filename" : "r47483 (1)/",
       
   388             "size" : "",
       
   389             "type" : "[Directory]",
       
   390             "encoding" : "",
       
   391         },
       
   392         {
       
   393             "filename" : "r47484 (2).zip",
       
   394             "size" : "89K",
       
   395             "type" : "[application/zip]",
       
   396             "encoding" : "",
       
   397         },
       
   398     ]
       
   399 
       
   400     def test_parse_build_to_revision_map(self):
       
   401         buildbot = BuildBot()
       
   402         files = buildbot._parse_twisted_directory_listing(self._example_directory_listing)
       
   403         self.assertEqual(self._expected_files, files)
       
   404 
       
   405     # Revision, is_green
       
   406     # Ordered from newest (highest number) to oldest.
       
   407     fake_builder1 = [
       
   408         [2, False],
       
   409         [1, True],
       
   410     ]
       
   411     fake_builder2 = [
       
   412         [2, False],
       
   413         [1, True],
       
   414     ]
       
   415     fake_builders = [
       
   416         fake_builder1,
       
   417         fake_builder2,
       
   418     ]
       
   419     def _build_from_fake(self, fake_builder, index):
       
   420         if index >= len(fake_builder):
       
   421             return None
       
   422         fake_build = fake_builder[index]
       
   423         build = Build(
       
   424             builder=fake_builder,
       
   425             build_number=index,
       
   426             revision=fake_build[0],
       
   427             is_green=fake_build[1],
       
   428         )
       
   429         def mock_previous_build():
       
   430             return self._build_from_fake(fake_builder, index + 1)
       
   431         build.previous_build = mock_previous_build
       
   432         return build
       
   433 
       
   434     def _fake_builds_at_index(self, index):
       
   435         return [self._build_from_fake(builder, index) for builder in self.fake_builders]
       
   436 
       
   437     def test_last_green_revision(self):
       
   438         buildbot = BuildBot()
       
   439         def mock_builds_from_builders(only_core_builders):
       
   440             return self._fake_builds_at_index(0)
       
   441         buildbot._latest_builds_from_builders = mock_builds_from_builders
       
   442         self.assertEqual(buildbot.last_green_revision(), 1)
       
   443 
       
   444 
       
   445 if __name__ == '__main__':
       
   446     unittest.main()