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diff_my_urls.py
executable file
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diff_my_urls.py
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#!/usr/bin/env python
# Copyright 2014 Brett Slatkin
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Utility for diffing a set of URL pairs defined in a config file.
Example usage:
./dpxdt/tools/diff_my_urls.py \
--upload_build_id=1234 \
--release_server_prefix=https://my-dpxdt-apiserver.example.com/api \
--release_client_id=<your api key> \
--release_client_secret=<your api secret> \
--upload_release_name="My release name" \
--release_cut_url=http://example.com/path/to/my/release/tool/for/this/cut
--tests_json_path=my_url_tests.json
Example input file "my_url_tests.json". One entry per test:
[
{
"name": "My homepage",
"run_url": "http://localhost:5000/static/dummy/dummy_page1.html",
"run_config": {
"viewportSize": {
"width": 1024,
"height": 768
},
"injectCss": "#foobar { background-color: lime",
"injectJs": "document.getElementById('foobar').innerText = 'bar';",
},
"ref_url": "http://localhost:5000/static/dummy/dummy_page1.html",
"ref_config": {
"viewportSize": {
"width": 1024,
"height": 768
},
"injectCss": "#foobar { background-color: goldenrod; }",
"injectJs": "document.getElementById('foobar').innerText = 'foo';",
}
},
...
]
See README.md for documentation of config parameters.
"""
import datetime
import json
import logging
import sys
# Local Libraries
import gflags
FLAGS = gflags.FLAGS
# Local modules
from dpxdt.client import fetch_worker
from dpxdt.client import release_worker
from dpxdt.client import workers
import flags
class Test(object):
"""Represents the JSON of a single test."""
def __init__(self, name=None, run_url=None, run_config=None,
ref_url=None, ref_config=None):
self.name = name
self.run_url = run_url
self.run_config_data = json.dumps(run_config) if run_config else None
self.ref_url = ref_url
self.ref_config_data = json.dumps(ref_config) if ref_config else None
def load_tests(data):
"""Loads JSON data and returns a list of Test objects it contains."""
test_list = json.loads(data)
results = []
for test_json in test_list:
results.append(Test(**test_json))
return results
class DiffMyUrls(workers.WorkflowItem):
"""Workflow for diffing a set of URL pairs defined in a config file.
Args:
release_url: URL of the newest and best version of the page.
tests: List of Test objects to test.
upload_build_id: Optional. Build ID of the site being compared. When
supplied a new release will be cut for this build comparing it
to the last good release.
upload_release_name: Optional. Release name to use for the build. When
not supplied, a new release based on the current time will be
created.
heartbeat: Function to call with progress status.
"""
def run(self,
release_url,
tests,
upload_build_id,
upload_release_name,
heartbeat=None):
if not upload_release_name:
upload_release_name = str(datetime.datetime.utcnow())
yield heartbeat('Creating release %s' % upload_release_name)
release_number = yield release_worker.CreateReleaseWorkflow(
upload_build_id, upload_release_name, release_url)
pending_uploads = []
for test in tests:
item = release_worker.RequestRunWorkflow(
upload_build_id, upload_release_name, release_number,
test.name, url=test.run_url, config_data=test.run_config_data,
ref_url=test.ref_url, ref_config_data=test.ref_config_data)
pending_uploads.append(item)
yield heartbeat('Requesting %d runs' % len(pending_uploads))
yield pending_uploads
yield heartbeat('Marking runs as complete')
release_url = yield release_worker.RunsDoneWorkflow(
upload_build_id, upload_release_name, release_number)
yield heartbeat('Results viewable at: %s' % release_url)
def real_main(release_url=None,
tests_json_path=None,
upload_build_id=None,
upload_release_name=None):
"""Runs diff_my_urls."""
coordinator = workers.get_coordinator()
fetch_worker.register(coordinator)
coordinator.start()
data = open(FLAGS.tests_json_path).read()
tests = load_tests(data)
item = DiffMyUrls(
release_url,
tests,
upload_build_id,
upload_release_name,
heartbeat=workers.PrintWorkflow)
item.root = True
coordinator.input_queue.put(item)
coordinator.wait_one()
coordinator.stop()
coordinator.join()
def main(argv):
try:
argv = FLAGS(argv)
except gflags.FlagsError, e:
print '%s\nUsage: %s ARGS\n%s' % (e, sys.argv[0], FLAGS)
sys.exit(1)
assert FLAGS.release_cut_url
assert FLAGS.release_server_prefix
assert FLAGS.tests_json_path
assert FLAGS.upload_build_id
if FLAGS.verbose:
logging.getLogger().setLevel(logging.DEBUG)
real_main(
release_url=FLAGS.release_cut_url,
tests_json_path=FLAGS.tests_json_path,
upload_build_id=FLAGS.upload_build_id,
upload_release_name=FLAGS.upload_release_name)
if __name__ == '__main__':
main(sys.argv)