def test_cmd_execution_failed_gives_command_in_exception(mockroot):
c = Component()
c.prepare(mockroot)
with pytest.raises(CmdExecutionError) as e:
c.cmd('asdf')
assert e.value.cmd == 'asdf'
assert e.value.returncode == 127
def test_assert_cmd_when_unsuccessful(mockroot):
c = Component()
c.prepare(mockroot)
with pytest.raises(UpdateNeeded):
c.assert_cmd('false')
def test_assert_cmd_when_succesful(mockroot):
c = Component()
c.prepare(mockroot)
c.assert_cmd('true')
def test_cmd_should_not_stop_if_process_expects_input(mockroot):
c = Component()
c.prepare(mockroot)
stdout, stderr = c.cmd('cat')
def test_cmd_returns_output_if_ignore_returncode(mockroot):
c = Component()
c.prepare(mockroot)
out, err = c.cmd('echo important output && false', ignore_returncode=True)
assert 'important output\n' == out
def test_cmd_raises_if_error(mockroot):
c = Component()
c.prepare(mockroot)
with pytest.raises(CmdExecutionError):
c.cmd('non-existing-command')
def test_cmd_returns_output(mockroot):
c = Component()
c.prepare(mockroot)
assert ('1\n', '') == c.cmd('echo 1')
def test_cmd_expands_jinja(mockroot):
c = Component()
c.foo = 'asdf'
c.prepare(mockroot)
assert ('asdf\n', '') == c.cmd('echo "{{component.foo}}"')
def test_cmd_returns_output(mockroot):
c = Component()
c.prepare(mockroot)
assert ("1\n", "") == c.cmd("echo 1")
def test_cmd_expands_jinja(mockroot):
c = Component()
c.foo = "asdf"
c.prepare(mockroot)
assert ("asdf\n", "") == c.cmd('echo "{{component.foo}}"')