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import os.path
from io import StringIO
from unittest import mock
import pytest
from doit.exceptions import InvalidCommand
from doit.cmdparse import DefaultUpdate
from doit.task import Task
from doit.cmd_strace import Strace
from .conftest import CmdFactory
@pytest.mark.skipif(
"os.system('strace -V') != 0 or sys.platform in ['win32', 'cygwin']")
class TestCmdStrace(object):
def test_dep(self, dependency1, depfile_name):
output = StringIO()
task = Task("tt", ["cat %(dependencies)s"],
file_dep=['tests/data/dependency1'])
cmd = CmdFactory(Strace, outstream=output)
cmd.loader.load_tasks = mock.Mock(return_value=([task], {}))
params = DefaultUpdate(dep_file=depfile_name, show_all=False,
keep_trace=False, backend='dbm',
check_file_uptodate='md5')
result = cmd.execute(params, ['tt'])
assert 0 == result
got = output.getvalue().split("\n")
dep_path = os.path.abspath("tests/data/dependency1")
assert "R %s" % dep_path in got[0]
def test_opt_show_all(self, dependency1, depfile_name):
output = StringIO()
task = Task("tt", ["cat %(dependencies)s"],
file_dep=['tests/data/dependency1'])
cmd = CmdFactory(Strace, outstream=output)
cmd.loader.load_tasks = mock.Mock(return_value=([task], {}))
params = DefaultUpdate(dep_file=depfile_name, show_all=True,
keep_trace=False, backend='dbm',
check_file_uptodate='md5')
result = cmd.execute(params, ['tt'])
assert 0 == result
got = output.getvalue().split("\n")
assert "cat" in got[0]
def test_opt_keep_trace(self, dependency1, depfile_name):
output = StringIO()
task = Task("tt", ["cat %(dependencies)s"],
file_dep=['tests/data/dependency1'])
cmd = CmdFactory(Strace, outstream=output)
cmd.loader.load_tasks = mock.Mock(return_value=([task], {}))
params = DefaultUpdate(dep_file=depfile_name, show_all=True,
keep_trace=True, backend='dbm',
check_file_uptodate='md5')
result = cmd.execute(params, ['tt'])
assert 0 == result
got = output.getvalue().split("\n")
assert "cat" in got[0]
assert os.path.exists(cmd.TRACE_OUT)
os.unlink(cmd.TRACE_OUT)
def test_target(self, dependency1, depfile_name):
output = StringIO()
task = Task("tt", ["touch %(targets)s"],
targets=['tests/data/dependency1'])
cmd = CmdFactory(Strace, outstream=output)
cmd.loader.load_tasks = mock.Mock(return_value=([task], {}))
params = DefaultUpdate(dep_file=depfile_name, show_all=False,
keep_trace=False, backend='dbm',
check_file_uptodate='md5')
result = cmd.execute(params, ['tt'])
assert 0 == result
got = output.getvalue().split("\n")
tgt_path = os.path.abspath("tests/data/dependency1")
assert "W %s" % tgt_path in got[0]
def test_ignore_python_actions(self, dependency1, depfile_name):
output = StringIO()
def py_open():
with open(dependency1) as ignore:
ignore
task = Task("tt", [py_open])
cmd = CmdFactory(Strace, outstream=output)
cmd.loader.load_tasks = mock.Mock(return_value=([task], {}))
params = DefaultUpdate(dep_file=depfile_name, show_all=False,
keep_trace=False, backend='dbm',
check_file_uptodate='md5')
result = cmd.execute(params, ['tt'])
assert 0 == result
def test_invalid_command_args(self):
output = StringIO()
cmd = CmdFactory(Strace, outstream=output)
# fails if number of args != 1
pytest.raises(InvalidCommand, cmd.execute, {}, [])
pytest.raises(InvalidCommand, cmd.execute, {}, ['t1', 't2'])
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