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#!/usr/bin/python
# Copyright 2013 Lars Wirzenius
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# =*= License: GPL-3+ =*=
import cliapp
import logging
import os
import re
import shutil
import tempfile
import time
import ttystatus
import cmdtestlib
import yarnlib
class YarnRunner(cliapp.Application):
def setup(self):
self.ts = ttystatus.TerminalStatus(period=0.001)
self.ts.format(
'%ElapsedTime() %Index(story,stories): %String(story_name): '
'step %Index(step,steps): %String(step_name)')
def process_args(self, args):
stories, implementations = self.parse_stories(args)
self.connect_implementations(stories, implementations)
self.ts['stories'] = stories
self.ts['num_stories'] = len(stories)
logging.info('Found %d stories' % len(stories))
start_time = time.time()
failed_stories = []
for story in stories:
if not self.run_story(story):
failed_stories.append(story)
duration = time.time() - start_time
self.ts.clear()
self.ts.finish()
if failed_stories:
raise cliapp.AppException(
'Test suite FAILED in %s stories' % len(failed_stories))
print ('Story test suite PASS, with %d stories, in %.1f seconds' %
(len(stories), duration))
def parse_stories(self, filenames):
mdparser = yarnlib.MarkdownParser()
for filename in filenames:
mdparser.parse_file(filename)
block_parser = yarnlib.BlockParser()
block_parser.parse_blocks(mdparser.blocks)
return block_parser.stories, block_parser.implementations
def connect_implementations(self, stories, implementations):
for story in stories:
for step in story.steps:
self.connect_implementation(story, step, implementations)
def connect_implementation(self, story, step, implementations):
matching = [i for i in implementations
if step.what == i.what and
re.match('(%s)$' % i.regexp, step.text, re.I)]
if len(matching) == 0:
raise cliapp.AppException(
'Story %s, step "%s %s" has no matching '
'implementation' %
(story.name, step.what, step.text))
if len(matching) > 1:
s = '\n'.join(
'IMPLEMENTS %s %s' % (i.what, i.regexp)
for i in matching)
raise cliapp.AppException(
'Story "%s", step "%s %s" has more than one '
'matching implementations:\n%s' %
(story.name, step.what, step.text, s))
assert step.implementation is None
step.implementation = matching[0]
def run_story(self, story):
logging.info('Running story %s' % story.name)
self.ts['story'] = story
self.ts['story_name'] = story.name
self.ts['steps'] = story.steps
datadir = tempfile.mkdtemp()
cleanup = [s for s in story.steps if s.what == 'FINALLY']
normal = [s for s in story.steps if s not in cleanup]
ok = True
for step in normal:
exit = self.run_step(datadir, story, step)
if exit != 0:
ok = False
break
for step in cleanup:
exit = self.run_step(datadir, story, step)
if exit != 0:
ok = False
break
shutil.rmtree(datadir)
return ok
def run_step(self, datadir, story, step):
logging.info('Running step "%s %s"' % (step.what, step.text))
logging.info('DATADIR is %s' % datadir)
self.ts['step'] = step
self.ts['step_name'] = '%s %s' % (step.what, step.text)
m = re.match(step.implementation.regexp, step.text)
assert m is not None
env = os.environ.copy()
env['DATADIR'] = datadir
for i, match in enumerate(m.groups('')):
env['MATCH_%d' % (i+1)] = match
exit, stdout, stderr = cliapp.runcmd_unchecked(
['sh', '-euc', step.implementation.shell], env=env)
logging.debug('Exit code: %d' % exit)
if stdout:
logging.debug('Standard output:\n%s' % self.indent(stdout))
else:
logging.debug('Standard output: empty')
if stderr:
logging.debug('Standard error:\n%s' % self.indent(stderr))
else:
logging.debug('Standard error: empty')
if exit != 0:
self.ts.error(
'ERROR: In story "%s"\nstep "%s %s" failed,\n'
'with exit code %d:\n'
'Standard output from shell command:\n%s'
'Standard error from shell command:\n%s' %
(story.name, step.what, step.text, exit, self.indent(stdout),
self.indent(stderr)))
return exit
def indent(self, s):
return ''.join(' %s\n' % line for line in s.splitlines())
YarnRunner(version=cmdtestlib.__version__).run()
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