blob: 21430b000fbb180c984096937973be783cc2ca9a [file] [log] [blame]
# Copyright 2016 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.
import os
import string
import sys
import tempfile
import unittest
import json
from telemetry import decorators
from telemetry import project_config
from telemetry.core import util
from telemetry.testing import browser_test_context
from telemetry.testing import browser_test_runner
from telemetry.testing import options_for_unittests
from telemetry.testing import run_browser_tests
from telemetry.testing import serially_executed_browser_test_case
class BrowserTestRunnerTest(unittest.TestCase):
def _ExtractTestResults(self, test_result):
delimiter = test_result['path_delimiter']
failures = []
successes = []
def _IsLeafNode(node):
test_dict = node[1]
return ('expected' in test_dict and
isinstance(test_dict['expected'], basestring))
node_queues = []
for t in test_result['tests']:
node_queues.append((t, test_result['tests'][t]))
while node_queues:
node = node_queues.pop()
full_test_name, test_dict = node
if _IsLeafNode(node):
if all(res not in test_dict['expected'].split() for res in
test_dict['actual'].split()):
failures.append(full_test_name)
else:
successes.append(full_test_name)
else:
for k in test_dict:
node_queues.append(
('%s%s%s' % (full_test_name, delimiter, k),
test_dict[k]))
return successes, failures
def baseTest(self, test_filter,
failures, successes, test_name='SimpleTest'):
config = project_config.ProjectConfig(
top_level_dir=os.path.join(util.GetTelemetryDir(), 'examples'),
client_configs=[],
benchmark_dirs=[
os.path.join(util.GetTelemetryDir(), 'examples', 'browser_tests')]
)
temp_file = tempfile.NamedTemporaryFile(delete=False)
temp_file.close()
temp_file_name = temp_file.name
try:
browser_test_runner.Run(
config,
[test_name,
'--write-full-results-to=%s' % temp_file_name,
'--test-filter=%s' % test_filter])
with open(temp_file_name) as f:
test_result = json.load(f)
actual_successes, actual_failures = self._ExtractTestResults(test_result)
self.assertEquals(set(actual_failures), set(failures))
self.assertEquals(set(actual_successes), set(successes))
finally:
os.remove(temp_file_name)
@decorators.Disabled('chromeos') # crbug.com/696553
def testJsonOutputFormatNegativeFilter(self):
self.baseTest(
'^(add|multiplier).*',
['browser_tests.simple_numeric_test.SimpleTest.add_1_and_2',
'browser_tests.simple_numeric_test.SimpleTest.add_7_and_3',
'browser_tests.simple_numeric_test.SimpleTest.multiplier_simple_2'],
['browser_tests.simple_numeric_test.SimpleTest.add_2_and_3',
'browser_tests.simple_numeric_test.SimpleTest.multiplier_simple',
'browser_tests.simple_numeric_test.SimpleTest.multiplier_simple_3'])
@decorators.Disabled('chromeos') # crbug.com/696553
def testJsonOutputWhenSetupClassFailed(self):
self.baseTest(
'.*',
['browser_tests.failed_tests.SetUpClassFailedTest.dummy_test_0',
'browser_tests.failed_tests.SetUpClassFailedTest.dummy_test_1',
'browser_tests.failed_tests.SetUpClassFailedTest.dummy_test_2'],
[], test_name='SetUpClassFailedTest')
@decorators.Disabled('chromeos') # crbug.com/696553
def testJsonOutputWhenTearDownClassFailed(self):
self.baseTest(
'.*',
['browser_tests.failed_tests.TearDownClassFailedTest.dummy_test_0',
'browser_tests.failed_tests.TearDownClassFailedTest.dummy_test_1',
'browser_tests.failed_tests.TearDownClassFailedTest.dummy_test_2'],
[], test_name='TearDownClassFailedTest')
@decorators.Disabled('chromeos') # crbug.com/696553
def testSetUpProcessCalledOnce(self):
self.baseTest(
'.*',
[],
['browser_tests.process_tests.FailIfSetUpProcessCalledTwice.Dummy_0',
'browser_tests.process_tests.FailIfSetUpProcessCalledTwice.Dummy_1',
'browser_tests.process_tests.FailIfSetUpProcessCalledTwice.Dummy_2'],
test_name='FailIfSetUpProcessCalledTwice')
@decorators.Disabled('chromeos') # crbug.com/696553
def testTearDownProcessCalledOnce(self):
self.baseTest(
'.*',
[],
['browser_tests.process_tests.FailIfTearDownProcessCalledTwice.Dummy_0',
'browser_tests.process_tests.FailIfTearDownProcessCalledTwice.Dummy_1',
'browser_tests.process_tests.FailIfTearDownProcessCalledTwice.Dummy_2'
], test_name='FailIfTearDownProcessCalledTwice')
@decorators.Disabled('chromeos') # crbug.com/696553
def testJsonOutputFormatPositiveFilter(self):
self.baseTest(
'(TestSimple|TestException).*',
['browser_tests.simple_numeric_test.SimpleTest.TestException',
'browser_tests.simple_numeric_test.SimpleTest.TestSimple'], [])
@decorators.Disabled('chromeos') # crbug.com/696553
def testExecutingTestsInSortedOrder(self):
alphabetical_tests = []
prefix = 'browser_tests.simple_numeric_test.SimpleTest.Alphabetical_'
for i in xrange(20):
alphabetical_tests.append(prefix + str(i))
for c in string.uppercase[:26]:
alphabetical_tests.append(prefix + c)
for c in string.lowercase[:26]:
alphabetical_tests.append(prefix + c)
alphabetical_tests.sort()
self.baseTest(
'Alphabetical', [], alphabetical_tests)
def shardingRangeTestHelper(self, total_shards, num_tests):
shard_ranges = []
for shard_index in xrange(0, total_shards):
shard_ranges.append(run_browser_tests._TestRangeForShard(
total_shards, shard_index, num_tests))
# Make assertions about ranges
num_tests_run = 0
for i in xrange(0, len(shard_ranges)):
cur_range = shard_ranges[i]
if i < num_tests:
self.assertGreater(cur_range[1], cur_range[0])
num_tests_run += (cur_range[1] - cur_range[0])
else:
# Not enough tests to go around all of the shards.
self.assertEquals(cur_range[0], cur_range[1])
# Make assertions about non-overlapping ranges
for i in xrange(1, len(shard_ranges)):
prev_range = shard_ranges[i - 1]
cur_range = shard_ranges[i]
self.assertEquals(prev_range[1], cur_range[0])
# Assert that we run all of the tests (very important)
self.assertEquals(num_tests_run, num_tests)
def testShardsWithPrimeNumTests(self):
for total_shards in xrange(1, 20):
# Nice non-prime number
self.shardingRangeTestHelper(total_shards, 101)
def testShardsWithDivisibleNumTests(self):
for total_shards in xrange(1, 6):
self.shardingRangeTestHelper(total_shards, 8)
def testShardBoundaryConditions(self):
self.shardingRangeTestHelper(1, 0)
self.shardingRangeTestHelper(1, 1)
self.shardingRangeTestHelper(2, 1)
def baseShardingTest(self, total_shards, shard_index, failures, successes,
opt_abbr_input_json_file=None,
opt_test_filter='',
opt_filter_tests_after_sharding=False):
config = project_config.ProjectConfig(
top_level_dir=os.path.join(util.GetTelemetryDir(), 'examples'),
client_configs=[],
benchmark_dirs=[
os.path.join(util.GetTelemetryDir(), 'examples', 'browser_tests')]
)
temp_file = tempfile.NamedTemporaryFile(delete=False)
temp_file.close()
temp_file_name = temp_file.name
opt_args = []
if opt_abbr_input_json_file:
opt_args += [
'--read-abbreviated-json-results-from=%s' % opt_abbr_input_json_file]
if opt_test_filter:
opt_args += [
'--test-filter=%s' % opt_test_filter]
if opt_filter_tests_after_sharding:
opt_args += ['--filter-tests-after-sharding']
try:
browser_test_runner.Run(
config,
['SimpleShardingTest',
'--write-full-results-to=%s' % temp_file_name,
'--total-shards=%d' % total_shards,
'--shard-index=%d' % shard_index] + opt_args)
with open(temp_file_name) as f:
test_result = json.load(f)
actual_successes, actual_failures = self._ExtractTestResults(test_result)
self.assertEquals(set(actual_failures), set(failures))
self.assertEquals(set(actual_successes), set(successes))
finally:
os.remove(temp_file_name)
@decorators.Disabled('chromeos') # crbug.com/696553
def testShardedTestRun(self):
self.baseShardingTest(3, 0, [], [
'browser_tests.simple_sharding_test.SimpleShardingTest.Test1',
'browser_tests.simple_sharding_test.SimpleShardingTest.Test2',
'browser_tests.simple_sharding_test.SimpleShardingTest.Test3',
'browser_tests.simple_sharding_test.SimpleShardingTest.passing_test_0',
'browser_tests.simple_sharding_test.SimpleShardingTest.passing_test_1',
])
self.baseShardingTest(3, 1, [], [
'browser_tests.simple_sharding_test.SimpleShardingTest.passing_test_2',
'browser_tests.simple_sharding_test.SimpleShardingTest.passing_test_3',
'browser_tests.simple_sharding_test.SimpleShardingTest.passing_test_4',
'browser_tests.simple_sharding_test.SimpleShardingTest.passing_test_5',
])
self.baseShardingTest(3, 2, [], [
'browser_tests.simple_sharding_test.SimpleShardingTest.passing_test_6',
'browser_tests.simple_sharding_test.SimpleShardingTest.passing_test_7',
'browser_tests.simple_sharding_test.SimpleShardingTest.passing_test_8',
'browser_tests.simple_sharding_test.SimpleShardingTest.passing_test_9',
])
def writeMockTestResultsFile(self):
mock_test_results = {
'passes': [
'Test1',
'Test2',
'Test3',
'passing_test_0',
'passing_test_1',
'passing_test_2',
'passing_test_3',
'passing_test_4',
'passing_test_5',
'passing_test_6',
'passing_test_7',
'passing_test_8',
'passing_test_9',
],
'failures': [],
'valid': True,
'times': {
'Test1': 3.0,
'Test2': 3.0,
'Test3': 3.0,
'passing_test_0': 3.0,
'passing_test_1': 2.0,
'passing_test_2': 2.0,
'passing_test_3': 2.0,
'passing_test_4': 2.0,
'passing_test_5': 1.0,
'passing_test_6': 1.0,
'passing_test_7': 1.0,
'passing_test_8': 1.0,
'passing_test_9': 0.5,
}
}
temp_file = tempfile.NamedTemporaryFile(delete=False)
temp_file.close()
temp_file_name = temp_file.name
with open(temp_file_name, 'w') as f:
json.dump(mock_test_results, f)
return temp_file_name
@decorators.Disabled('chromeos') # crbug.com/696553
def testSplittingShardsByTimes(self):
temp_file_name = self.writeMockTestResultsFile()
# It seems that the sorting order of the first four tests above is:
# passing_test_0, Test1, Test2, Test3
# This is probably because the relative order of the "fixed" tests
# (starting with "Test") and the generated ones ("passing_") is
# not well defined, and the sorting is stable afterward. The
# expectations have been adjusted for this fact.
try:
self.baseShardingTest(4, 0, [], [
'browser_tests.simple_sharding_test' +
'.SimpleShardingTest.passing_test_0',
'browser_tests.simple_sharding_test' +
'.SimpleShardingTest.passing_test_1',
'browser_tests.simple_sharding_test' +
'.SimpleShardingTest.passing_test_5',
'browser_tests.simple_sharding_test' +
'.SimpleShardingTest.passing_test_9'
], temp_file_name)
self.baseShardingTest(4, 1, [], [
'browser_tests.simple_sharding_test' +
'.SimpleShardingTest.Test1',
'browser_tests.simple_sharding_test' +
'.SimpleShardingTest.passing_test_2',
'browser_tests.simple_sharding_test' +
'.SimpleShardingTest.passing_test_6'
], temp_file_name)
self.baseShardingTest(4, 2, [], [
'browser_tests.simple_sharding_test' +
'.SimpleShardingTest.Test2',
'browser_tests.simple_sharding_test' +
'.SimpleShardingTest.passing_test_3',
'browser_tests.simple_sharding_test' +
'.SimpleShardingTest.passing_test_7'
], temp_file_name)
self.baseShardingTest(4, 3, [], [
'browser_tests.simple_sharding_test.SimpleShardingTest.Test3',
'browser_tests.simple_sharding_test' +
'.SimpleShardingTest.passing_test_4',
'browser_tests.simple_sharding_test' +
'.SimpleShardingTest.passing_test_8'
], temp_file_name)
finally:
os.remove(temp_file_name)
@decorators.Disabled('chromeos') # crbug.com/696553
def testFilteringAfterSharding(self):
temp_file_name = self.writeMockTestResultsFile()
try:
self.baseShardingTest(
4, 1, [],
['browser_tests.simple_sharding_test.SimpleShardingTest.Test1',
'browser_tests.simple_sharding_test' +
'.SimpleShardingTest.passing_test_2',
'browser_tests.simple_sharding_test' +
'.SimpleShardingTest.passing_test_6'
], temp_file_name,
opt_test_filter='(Test1|passing_test_2|passing_test_6)',
opt_filter_tests_after_sharding=True)
finally:
os.remove(temp_file_name)
def testMedianComputation(self):
self.assertEquals(2.0, run_browser_tests._MedianTestTime(
{'test1': 2.0, 'test2': 7.0, 'test3': 1.0}))
self.assertEquals(2.0, run_browser_tests._MedianTestTime(
{'test1': 2.0}))
self.assertEquals(0.0, run_browser_tests._MedianTestTime({}))
self.assertEqual(4.0, run_browser_tests._MedianTestTime(
{'test1': 2.0, 'test2': 6.0, 'test3': 1.0, 'test4': 8.0}))
class Algebra(
serially_executed_browser_test_case.SeriallyExecutedBrowserTestCase):
@classmethod
def GenerateTestCases_Simple(cls, options):
del options # Unused.
yield 'testOne', (1, 2)
yield 'testTwo', (3, 3)
def Simple(self, x, y):
self.assertEquals(x, y)
def TestNumber(self):
self.assertEquals(0, 1)
class ErrorneousGeometric(
serially_executed_browser_test_case.SeriallyExecutedBrowserTestCase):
@classmethod
def GenerateTestCases_Compare(cls, options):
del options # Unused.
assert False, 'I am a problematic generator'
yield 'testBasic', ('square', 'circle')
def Compare(self, x, y):
self.assertEquals(x, y)
def TestAngle(self):
self.assertEquals(90, 450)
class TestLoadAllTestModules(unittest.TestCase):
def testLoadAllTestsInModule(self):
context = browser_test_context.TypTestContext()
context.finder_options = options_for_unittests.GetCopy()
context.test_class = Algebra
context.test_case_ids_to_run.add(
'telemetry.testing.browser_test_runner_unittest.Algebra.TestNumber')
context.test_case_ids_to_run.add(
'telemetry.testing.browser_test_runner_unittest.Algebra.testOne')
context.Freeze()
browser_test_context._global_test_context = context
try:
# This should not invoke GenerateTestCases of ErrorneousGeometric class,
# otherwise that would throw Exception.
tests = serially_executed_browser_test_case.LoadAllTestsInModule(
sys.modules[__name__])
self.assertEquals(
sorted([t.id() for t in tests]),
['telemetry.testing.browser_test_runner_unittest.Algebra.TestNumber',
'telemetry.testing.browser_test_runner_unittest.Algebra.testOne'])
finally:
browser_test_context._global_test_context = None