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# Copyright 2014 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import collections
import itertools
import json
import logging
import time
from pylib.base import base_test_result
def GenerateResultsDict(test_run_results, global_tags=None):
"""Create a results dict from |test_run_results| suitable for writing to JSON.
Args:
test_run_results: a list of base_test_result.TestRunResults objects.
Returns:
A results dict that mirrors the one generated by
base/test/launcher/test_results_tracker.cc:SaveSummaryAsJSON.
"""
# Example json output.
# {
# "global_tags": [],
# "all_tests": [
# "test1",
# "test2",
# ],
# "disabled_tests": [],
# "per_iteration_data": [
# {
# "test1": [
# {
# "status": "SUCCESS",
# "elapsed_time_ms": 1,
# "output_snippet": "",
# "output_snippet_base64": "",
# "losless_snippet": "",
# },
# ...
# ],
# "test2": [
# {
# "status": "FAILURE",
# "elapsed_time_ms": 12,
# "output_snippet": "",
# "output_snippet_base64": "",
# "losless_snippet": "",
# },
# ...
# ],
# },
# {
# "test1": [
# {
# "status": "SUCCESS",
# "elapsed_time_ms": 1,
# "output_snippet": "",
# "output_snippet_base64": "",
# "losless_snippet": "",
# },
# ],
# "test2": [
# {
# "status": "FAILURE",
# "elapsed_time_ms": 12,
# "output_snippet": "",
# "output_snippet_base64": "",
# "losless_snippet": "",
# },
# ],
# },
# ...
# ],
# }
all_tests = set()
per_iteration_data = []
test_run_links = {}
for test_run_result in test_run_results:
iteration_data = collections.defaultdict(list)
if isinstance(test_run_result, list):
results_iterable = itertools.chain(*(t.GetAll() for t in test_run_result))
for tr in test_run_result:
test_run_links.update(tr.GetLinks())
else:
results_iterable = test_run_result.GetAll()
test_run_links.update(test_run_result.GetLinks())
for r in results_iterable:
result_dict = {
'status': r.GetType(),
'elapsed_time_ms': r.GetDuration(),
'output_snippet': r.GetLog(),
'losless_snippet': True,
'output_snippet_base64': '',
'links': r.GetLinks(),
}
iteration_data[r.GetName()].append(result_dict)
all_tests = all_tests.union(set(iteration_data.keys()))
per_iteration_data.append(iteration_data)
return {
'global_tags': global_tags or [],
'all_tests': sorted(list(all_tests)),
# TODO(jbudorick): Add support for disabled tests within base_test_result.
'disabled_tests': [],
'per_iteration_data': per_iteration_data,
'links': test_run_links,
}
def GenerateJsonTestResultFormatDict(test_run_results, interrupted):
"""Create a results dict from |test_run_results| suitable for writing to JSON.
Args:
test_run_results: a list of base_test_result.TestRunResults objects.
interrupted: True if tests were interrupted, e.g. timeout listing tests
Returns:
A results dict that mirrors the standard JSON Test Results Format.
"""
tests = {}
counts = {'PASS': 0, 'FAIL': 0, 'SKIP': 0, 'CRASH': 0, 'TIMEOUT': 0}
for test_run_result in test_run_results:
if isinstance(test_run_result, list):
results_iterable = itertools.chain(*(t.GetAll() for t in test_run_result))
else:
results_iterable = test_run_result.GetAll()
for r in results_iterable:
element = tests
for key in r.GetName().split('.'):
if key not in element:
element[key] = {}
element = element[key]
element['expected'] = 'PASS'
if r.GetType() == base_test_result.ResultType.PASS:
result = 'PASS'
elif r.GetType() == base_test_result.ResultType.SKIP:
result = 'SKIP'
elif r.GetType() == base_test_result.ResultType.CRASH:
result = 'CRASH'
elif r.GetType() == base_test_result.ResultType.TIMEOUT:
result = 'TIMEOUT'
else:
result = 'FAIL'
if 'actual' in element:
element['actual'] += ' ' + result
else:
counts[result] += 1
element['actual'] = result
if result == 'FAIL':
element['is_unexpected'] = True
if r.GetDuration() != 0:
element['time'] = r.GetDuration()
# Fill in required fields.
return {
'interrupted': interrupted,
'num_failures_by_type': counts,
'path_delimiter': '.',
'seconds_since_epoch': time.time(),
'tests': tests,
'version': 3,
}
def GenerateJsonResultsFile(test_run_result, file_path, global_tags=None,
**kwargs):
"""Write |test_run_result| to JSON.
This emulates the format of the JSON emitted by
base/test/launcher/test_results_tracker.cc:SaveSummaryAsJSON.
Args:
test_run_result: a base_test_result.TestRunResults object.
file_path: The path to the JSON file to write.
"""
with open(file_path, 'w') as json_result_file:
json_result_file.write(json.dumps(
GenerateResultsDict(test_run_result, global_tags=global_tags),
**kwargs))
logging.info('Generated json results file at %s', file_path)
def GenerateJsonTestResultFormatFile(test_run_result, interrupted, file_path,
**kwargs):
"""Write |test_run_result| to JSON.
This uses the official Chromium Test Results Format.
Args:
test_run_result: a base_test_result.TestRunResults object.
interrupted: True if tests were interrupted, e.g. timeout listing tests
file_path: The path to the JSON file to write.
"""
with open(file_path, 'w') as json_result_file:
json_result_file.write(
json.dumps(
GenerateJsonTestResultFormatDict(test_run_result, interrupted),
**kwargs))
logging.info('Generated json results file at %s', file_path)
def ParseResultsFromJson(json_results):
"""Creates a list of BaseTestResult objects from JSON.
Args:
json_results: A JSON dict in the format created by
GenerateJsonResultsFile.
"""
def string_as_status(s):
if s in base_test_result.ResultType.GetTypes():
return s
return base_test_result.ResultType.UNKNOWN
results_list = []
testsuite_runs = json_results['per_iteration_data']
for testsuite_run in testsuite_runs:
for test, test_runs in testsuite_run.items():
results_list.extend(
[base_test_result.BaseTestResult(test,
string_as_status(tr['status']),
duration=tr['elapsed_time_ms'],
log=tr.get('output_snippet'))
for tr in test_runs])
return results_list
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