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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 subprocess
import sys
import tempfile
import unittest
def run(build_ninja, flags='', pipe=False):
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)
else:
output = subprocess.check_output(['script', '-qfec', ninja_cmd, '/dev/null'])
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_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
''')
if __name__ == '__main__':
unittest.main()
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