#!/usr/bin/env python
# Copyright (C) 2013 Red Hat, Inc.
#
# Cockpit is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# Cockpit 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Cockpit; If not, see <http://www.gnu.org/licenses/>.
#
# This is a TAP driver for automake
#
# In particular it leaves stderr untouched, and is cleaner than the
# one implemented in shell that is making the rounds.
#
# This implements the automake "Custom Test Driver" protocol:
# https://www.gnu.org/software/automake/manual/html_node/Custom-Test-Drivers.html
#
# This consumes the Test Anything Protocol (ie: TAP)
# https://metacpan.org/pod/release/PETDANCE/Test-Harness-2.64/lib/Test/Harness/TAP.pod
#
import argparse
import os
import select
import subprocess
import sys
class Driver:
def __init__(self, args):
self.argv = args.command
self.test_name = args.test_name
self.log = open(args.log_file, "w")
self.log.write("# %s\n" % " ".join(sys.argv))
self.trs = open(args.trs_file, "w")
self.color_tests = args.color_tests
self.expect_failure = args.expect_failure
def report(self, code, *args):
CODES = {
"XPASS": '\x1b[0;31m', # red
"FAIL": '\x1b[0;31m', # red
"PASS": '\x1b[0;32m', # grn
"XFAIL": '\x1b[1;32m', # lgn
"SKIP": '\x1b[1;34m', # blu
"ERROR": '\x1b[0;35m', # mgn
}
# Print out to console
if self.color_tests:
if code in CODES:
sys.stdout.write(CODES[code])
sys.stdout.write(code)
if self.color_tests:
sys.stdout.write('\x1b[m')
sys.stdout.write(": ")
sys.stdout.write(self.test_name)
sys.stdout.write(" ")
for arg in args:
sys.stdout.write(str(arg))
sys.stdout.write("\n")
sys.stdout.flush()
# Book keeping
if code in CODES:
self.trs.write(":test-result: %s\n" % code)
def result_pass(self, *args):
if self.expect_failure:
self.report("XPASS", *args)
else:
self.report("PASS", *args)
def result_fail(self, *args):
if self.expect_failure:
self.report("XFAIL", *args)
else:
self.report("FAIL", *args)
def result_skip(self, *args):
if self.expect_failure:
self.report("XFAIL", *args)
else:
self.report("SKIP", *args)
def report_error(self, description=""):
self.report("ERROR", "", description)
def process(self, output):
pass
def execute(self):
try:
proc = subprocess.Popen(self.argv, close_fds=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
except OSError, ex:
self.report_error("Couldn't run %s: %s" % (self.argv[0], str(ex)))
return
outf = proc.stdout.fileno()
errf = proc.stderr.fileno()
rset = [outf, errf]
while len(rset) > 0:
ret = select.select(rset, [], [], 10)
if outf in ret[0]:
data = os.read(outf, 1024)
if data == "":
rset.remove(outf)
self.log.write(data)
self.process(data)
if errf in ret[0]:
data = os.read(errf, 1024)
if data == "":
rset.remove(errf)
self.log.write(data)
sys.stderr.write(data)
proc.wait()
return proc.returncode
class TapDriver(Driver):
def __init__(self, args):
Driver.__init__(self, args)
self.output = ""
self.reported = { }
self.test_plan = None
self.late_plan = False
self.errored = False
self.bail_out = False
def report(self, code, num, *args):
if num:
Driver.report(self, code, num, " ", *args)
self.reported[num] = code
else:
Driver.report(self, code, *args)
if code == "ERROR":
self.errored = True
def consume_test_line(self, ok, data):
# It's an error if the caller sends a test plan in the middle of tests
if self.late_plan:
self.report_error("Got tests after late TAP test plan")
self.late_plan = False
# Parse out a number and then description
(num, unused, description) = data.partition(" ")
try:
num = int(num)
except ValueError:
self.report_error("Invalid test number: %s" % data)
return
description = description.lstrip()
# Parse out a directive from description, if any
(description, unused, directive) = description.partition("#")
# Special case if directive starts with this, then skip
if directive.lstrip().lower().startswith("skip"):
self.result_skip(num, description)
elif ok:
self.result_pass(num, description)
else:
self.result_fail(num, description)
def consume_test_plan(self, first, last):
# Only one test plan is supported
if self.test_plan:
self.report_error("Get a second TAP test plan")
return
try:
first = int(first)
last = int(last)
except ValueError:
self.report_error("Invalid test plan: %s..%s" % (first, last))
return
self.test_plan = (first, last)
self.late_plan = self.reported and True or False
def consume_bail_out(self, line):
self.bail_out = True
self.report("SKIP", 0, line)
def process(self, output):
if output:
self.output += output
elif self.output:
self.output += "\n"
(ready, unused, self.output) = self.output.rpartition("\n")
for line in ready.split("\n"):
if line.startswith("ok "):
self.consume_test_line(True, line[3:])
elif line.startswith("not ok "):
self.consume_test_line(False, line[7:])
elif line and line[0].isdigit() and ".." in line:
(first, unused, last) = line.partition("..")
self.consume_test_plan(first, last)
elif line.lower().startswith("bail out!"):
self.consume_bail_out(line)
def run(self):
returncode = self.execute()
failed = False
skipped = True
# Basic collation of results
for (num, code) in self.reported.items():
if code == "ERROR":
self.errored = True
elif code == "FAIL" or code == "XPASS":
failed = True
if code != "SKIP":
skipped = False
if not self.errored:
if returncode == 77:
skipped = True
elif returncode:
self.report_error("process failed: %d" % returncode)
self.errored = True
# Check the plan
if not self.errored:
if not self.test_plan:
if not self.bail_out:
self.report_error("Didn't receive a TAP test plan")
else:
for i in range(self.test_plan[0], self.test_plan[1] + 1):
if i not in self.reported:
if self.bail_out:
self.report("SKIP", i, "- bailed out")
else:
self.report("ERROR", i, "- missing test")
skipped = False
self.errored = True
if self.errored:
self.trs.write(":global-test-result: ERROR\n")
self.trs.write(":test-global-result: ERROR\n")
self.trs.write(":recheck: yes\n")
elif failed:
self.trs.write(":global-test-result: FAIL\n")
self.trs.write(":test-global-result: FAIL\n")
self.trs.write(":recheck: yes\n")
elif skipped:
self.trs.write(":global-test-result: SKIP\n")
self.trs.write(":test-global-result: SKIP\n")
self.trs.write(":recheck: no\n")
else:
self.trs.write(":global-test-result: PASS\n")
self.trs.write(":test-global-result: PASS\n")
self.trs.write(":recheck: no\n")
if self.errored or failed:
self.trs.write(":copy-in-global-log: yes\n")
# Process result code
return 0
class SimpleDriver(Driver):
def __init__(self, args):
Driver.__init__(self, args)
def run(self):
returncode = self.execute()
if returncode == 0:
self.result_pass()
self.trs.write(":global-test-result: PASS\n")
self.trs.write(":test-global-result: PASS\n")
self.trs.write(":recheck: no\n")
elif returncode == 77:
self.result_skip()
self.trs.write(":global-test-result: SKIP\n")
self.trs.write(":test-global-result: SKIP\n")
self.trs.write(":recheck: no\n")
elif returncode == 99:
self.report_error()
self.trs.write(":global-test-result: ERROR\n")
self.trs.write(":test-global-result: ERROR\n")
self.trs.write(":copy-in-global-log: yes\n")
self.trs.write(":recheck: yes\n")
else:
self.result_fail()
self.trs.write(":global-test-result: FAIL\n")
self.trs.write(":test-global-result: FAIL\n")
self.trs.write(":copy-in-global-log: yes\n")
self.trs.write(":recheck: yes\n")
# Process result code
return 0
class MissingDriver(Driver):
def __init__(self, args):
Driver.__init__(self, args)
self.missing = args.missing
def run(self):
self.result_skip("skipping due to: ", self.missing)
self.trs.write(":global-test-result: SKIP\n")
self.trs.write(":test-global-result: SKIP\n")
self.trs.write(":recheck: no\n")
return 0
class YesNoAction(argparse.Action):
def __init__(self, option_strings, dest, **kwargs):
argparse.Action.__init__(self, option_strings, dest, **kwargs)
self.metavar = "[yes|no]"
def __call__(self, parser, namespace, values, option_string=None):
if not values or "yes" in values:
setattr(namespace, self.dest, True)
else:
setattr(namespace, self.dest, False)
def main(argv):
parser = argparse.ArgumentParser(description='Automake TAP driver')
parser.add_argument('--format', metavar='FORMAT', choices=[ "simple", "tap" ],
default="simple", help='The type of test to drive')
parser.add_argument('--missing', metavar="TOOL", nargs='?',
help="Force the test to skip due to missing tool")
parser.add_argument('--test-name', metavar='NAME',
help='The name of the test')
parser.add_argument('--log-file', metavar='PATH.log', required=True,
help='The .log file the driver creates')
parser.add_argument('--trs-file', metavar='PATH.trs', required=True,
help='The .trs file the driver creates')
parser.add_argument('--color-tests', default=True, action=YesNoAction,
help='Whether the console output should be colorized or not')
parser.add_argument('--expect-failure', default=False, action=YesNoAction,
help="Whether the tested program is expected to fail")
parser.add_argument('--enable-hard-errors', default=False, action=YesNoAction,
help="Whether hard errors in the tested program are treated differently")
parser.add_argument('command', nargs='+',
help="A test command line to run")
args = parser.parse_args(argv[1:])
if not args.test_name:
args.test_name = os.path.basename(args.command[0])
if args.missing:
driver = MissingDriver(args)
elif args.format == "simple":
driver = SimpleDriver(args)
elif args.format == "tap":
driver = TapDriver(args)
return driver.run()
if __name__ == "__main__":
sys.exit(main(sys.argv))