def run(capsys, *args):
with pytest.raises(SystemExit) as exc:
main(args)
out, err = capsys.readouterr()
return exc.value.code, out, err
def test_no_differences(capsys):
args = [TEST_TAR1_PATH, TEST_TAR1_PATH]
with pytest.raises(SystemExit) as excinfo:
main(args)
assert excinfo.value.code == 0
out, err = capsys.readouterr()
assert err == ''
assert out == ''
def test_html_option_with_stdout(capsys):
args = ['--html', '-', TEST_TAR1_PATH, TEST_TAR2_PATH]
with pytest.raises(SystemExit) as excinfo:
main(args)
assert excinfo.value.code == 1
out, err = capsys.readouterr()
assert err == ''
assert 'meta name="generator" content="diffoscope"' in out
def test_non_existing_right_with_new_file(capsys):
args = ['--new-file', __file__, '/nonexisting2']
with pytest.raises(SystemExit) as excinfo:
main(args)
assert excinfo.value.code == 1
out, err = capsys.readouterr()
assert ('--- %s' % __file__) in out
assert '+++ /nonexisting2' in out
def test_no_report_option(capsys):
args = [TEST_TAR1_PATH, TEST_TAR2_PATH]
with pytest.raises(SystemExit) as excinfo:
main(args)
assert excinfo.value.code == 1
out, err = capsys.readouterr()
assert err == ''
assert out.startswith('--- ')
def test_text_option_with_stdiout(capsys):
args = ['--text', '-', TEST_TAR1_PATH, TEST_TAR2_PATH]
with pytest.raises(SystemExit) as excinfo:
main(args)
assert excinfo.value.code == 1
out, err = capsys.readouterr()
assert err == ''
assert out.startswith('--- ')
def test_non_existing_files(capsys):
args = '/nonexisting1 /nonexisting2'
with pytest.raises(SystemExit) as excinfo:
main(args.split())
assert excinfo.value.code == 2
out, err = capsys.readouterr()
assert '/nonexisting1: No such file or directory' in err
assert '/nonexisting2: No such file or directory' in err
def run(capsys, *args, pair=('test1.tar', 'test2.tar')):
with pytest.raises(SystemExit) as exc, cwd_data():
main(args + pair)
out, err = capsys.readouterr()
assert err == ''
assert exc.value.code == 1
return out
def test_list_tools(capsys):
args = ['--list-tools']
with pytest.raises(SystemExit) as excinfo:
main(args)
assert excinfo.value.code == 0
out, err = capsys.readouterr()
assert err == ''
assert 'External tools required:' in out
assert 'xxd,' in out
def test_non_existing_files_with_new_file(capsys):
args = ['--new-file', '/nonexisting1', '/nonexisting2']
with pytest.raises(SystemExit) as excinfo:
main(args)
assert excinfo.value.code == 1
out, err = capsys.readouterr()
assert '--- /nonexisting1' in out
assert '+++ /nonexisting2' in out
assert 'Trying to compare two non-existing files.' in out
def run_read_write(capsys, diff, *args):
with pytest.raises(SystemExit) as exc, cwd_data():
main(args + (diff, ))
out, err = capsys.readouterr()
assert err == ''
assert exc.value.code == 1
assert out == get_data(diff) # presented-output is same as parsed-input
return out
def run(capsys, *args):
with pytest.raises(SystemExit) as exc:
main(args + tuple(
os.path.join(os.path.dirname(__file__), 'data', x)
for x in ('test1.tar', 'test2.tar')))
out, err = capsys.readouterr()
assert err == ''
return exc.value.code, out
def test_text_option_with_file(tmpdir, capsys):
report_path = str(tmpdir.join('report.txt'))
args = ['--text', report_path, TEST_TAR1_PATH, TEST_TAR2_PATH]
with pytest.raises(SystemExit) as excinfo:
main(args)
assert excinfo.value.code == 1
out, err = capsys.readouterr()
assert err == ''
assert out == ''
with open(report_path, 'r', encoding='utf-8') as f:
assert f.read().startswith('--- ')
def test_html_option_with_file(tmpdir, capsys):
report_path = str(tmpdir.join('report.html'))
args = ['--html', report_path, TEST_TAR1_PATH, TEST_TAR2_PATH]
with pytest.raises(SystemExit) as excinfo:
main(args)
assert excinfo.value.code == 1
out, err = capsys.readouterr()
assert err == ''
assert out == ''
with open(report_path, 'r', encoding='utf-8') as f:
assert 'meta name="generator" content="diffoscope"' in f.read()
def test_ctrl_c_handling(tmpdir, monkeypatch, capsys):
args = [TEST_TAR1_PATH, TEST_TAR2_PATH]
monkeypatch.setattr('tempfile.tempdir', str(tmpdir))
def interrupt(*args):
raise KeyboardInterrupt
monkeypatch.setattr('diffoscope.comparators.text.TextFile.compare', interrupt)
with pytest.raises(SystemExit) as excinfo:
main(args)
out, err = capsys.readouterr()
assert '' in err
assert excinfo.value.code == 2
assert os.listdir(str(tmpdir)) == []
def test_remove_temp_files_on_sigterm(tmpdir, monkeypatch):
args = [TEST_TAR1_PATH, TEST_TAR2_PATH]
pid = os.fork()
if pid == 0:
def suicide(*args):
os.kill(os.getpid(), signal.SIGTERM)
monkeypatch.setattr('diffoscope.comparators.text.TextFile.compare', suicide)
tempfile.tempdir = str(tmpdir)
with pytest.raises(SystemExit) as excinfo:
main(args)
os._exit(excinfo.value.code)
else:
_, ret = os.waitpid(pid, 0)
assert (ret >> 8) == 2 # having received SIGTERM is trouble
assert os.listdir(str(tmpdir)) == []
def run(capsys, *args):
with pytest.raises(SystemExit) as exc:
prev = os.getcwd()
os.chdir(DATA_DIR)
try:
main(args + ('test1.tar', 'test2.tar'))
finally:
os.chdir(prev)
out, err = capsys.readouterr()
assert err == ''
assert exc.value.code == 1
return out