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#!/usr/bin/env python3
"""Runs ./ninja and checks if the output is correct.
In order to simulate a smart terminal it uses the 'script' command.
"""
import os
import platform
import subprocess
import sys
import tempfile
import unittest
default_env = dict(os.environ)
if 'NINJA_STATUS' in default_env:
del default_env['NINJA_STATUS']
if 'CLICOLOR_FORCE' in default_env:
del default_env['CLICOLOR_FORCE']
default_env['TERM'] = ''
def run(build_ninja, flags='', pipe=False, env=default_env):
with tempfile.NamedTemporaryFile('w') as f:
f.write(build_ninja)
f.flush()
ninja_cmd = './ninja {} -f {}'.format(flags, f.name)
try:
if pipe:
output = subprocess.check_output([ninja_cmd], shell=True, env=env)
elif platform.system() == 'Darwin':
output = subprocess.check_output(['script', '-q', '/dev/null', 'bash', '-c', ninja_cmd],
env=env)
else:
output = subprocess.check_output(['script', '-qfec', ninja_cmd, '/dev/null'],
env=env)
except subprocess.CalledProcessError as err:
sys.stdout.buffer.write(err.output)
raise err
final_output = ''
for line in output.decode('utf-8').splitlines(True):
if len(line) > 0 and line[-1] == '\r':
continue
final_output += line.replace('\r', '')
return final_output
class Output(unittest.TestCase):
def test_issue_1418(self):
self.assertEqual(run(
'''rule echo
command = sleep $delay && echo $out
description = echo $out
build a: echo
delay = 3
build b: echo
delay = 2
build c: echo
delay = 1
'''),
'''[1/3] echo c\x1b[K
c
[2/3] echo b\x1b[K
b
[3/3] echo a\x1b[K
a
''')
def test_issue_1214(self):
print_red = '''rule echo
command = printf '\x1b[31mred\x1b[0m'
description = echo $out
build a: echo
'''
# Only strip color when ninja's output is piped.
self.assertEqual(run(print_red),
'''[1/1] echo a\x1b[K
\x1b[31mred\x1b[0m
''')
self.assertEqual(run(print_red, pipe=True),
'''[1/1] echo a
red
''')
# Even in verbose mode, colors should still only be stripped when piped.
self.assertEqual(run(print_red, flags='-v'),
'''[1/1] printf '\x1b[31mred\x1b[0m'
\x1b[31mred\x1b[0m
''')
self.assertEqual(run(print_red, flags='-v', pipe=True),
'''[1/1] printf '\x1b[31mred\x1b[0m'
red
''')
# CLICOLOR_FORCE=1 can be used to disable escape code stripping.
env = default_env.copy()
env['CLICOLOR_FORCE'] = '1'
self.assertEqual(run(print_red, pipe=True, env=env),
'''[1/1] echo a
\x1b[31mred\x1b[0m
''')
if __name__ == '__main__':
unittest.main()
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