def test_it_allows_you_to_specify_extra_environment_variables(self):
pipe_commands([
['echo', """
import os
import sys
sys.stdout.write(os.environ['TEST_VAR'])
"""],
['python'],
['tee', self.get_path('pipe_commands.out')],
], extra_env={'TEST_VAR': 'spam'})
self.assertFileExists('pipe_commands.out')
self.assertFileHasContent('pipe_commands.out', 'spam')
def test_it_works_when_large_amounts_of_data_are_being_piped(self):
pipe_commands([
['echo', r"""
import sys
for i in range(400000):
sys.stdout.write('spam\n')
"""],
['python'],
['tee', self.get_path('pipe_commands.out')],
])
self.assertFileExists('pipe_commands.out')
self.assertFileHasLength('pipe_commands.out', 2000000)
self.assertInFile('pipe_commands.out', 'spam\nspam\nspam\n')
def test_it_pipes_a_list_of_commands_into_each_other(self):
pipe_commands([
['echo', r"""
import sys
for i in range(4):
sys.stdout.write('spam\n')
"""],
['python'],
['tee', self.get_path('pipe_commands.out')],
])
self.assertFileExists('pipe_commands.out')
self.assertFileHasContent(
'pipe_commands.out',
'spam\nspam\nspam\nspam\n',
)
def test_it_works_when_large_amounts_of_data_are_being_piped(self):
pipe_commands([
[
'echo', r"""
import sys
for i in range(400000):
sys.stdout.write('spam\n')
"""
],
['python'],
['tee', self.get_path('pipe_commands.out')],
])
self.assertFileExists('pipe_commands.out')
self.assertFileHasLength('pipe_commands.out', 2000000)
self.assertInFile('pipe_commands.out', 'spam\nspam\nspam\n')
def test_it_allows_you_to_specify_extra_environment_variables(self):
pipe_commands([
[
'echo', """
import os
import sys
sys.stdout.write(os.environ['TEST_VAR'])
"""
],
['python'],
['tee', self.get_path('pipe_commands.out')],
],
extra_env={'TEST_VAR': 'spam'})
self.assertFileExists('pipe_commands.out')
self.assertFileHasContent('pipe_commands.out', 'spam')
def test_it_pipes_a_list_of_commands_into_each_other(self):
pipe_commands([
[
'echo', r"""
import sys
for i in range(4):
sys.stdout.write('spam\n')
"""
],
['python'],
['tee', self.get_path('pipe_commands.out')],
])
self.assertFileExists('pipe_commands.out')
self.assertFileHasContent(
'pipe_commands.out',
'spam\nspam\nspam\nspam\n',
)