tests/frontend/workspace.py: Test that we detect modifications made to a workspace

    assert not os.path.exists(os.path.join(checkout, 'usr', 'bin', 'hello'))

@pytest.mark.datafiles(DATA_DIR)

@pytest.mark.parametrize("modification", [("addfile"), ("removefile"), ("modifyfile")])

@pytest.mark.parametrize("strict", [("strict"), ("non-strict")])

def test_detect_modifications(cli, tmpdir, datafiles, modification, strict):

    element_name, project, workspace = open_workspace(cli, tmpdir, datafiles, 'git', False)

    checkout = os.path.join(str(tmpdir), 'checkout')

    # Configure strict mode

    strict_mode = True

    if strict != 'strict':

        strict_mode = False

    cli.configure({

        'projects': {

            'test': {

                'strict': strict_mode

            }

        }

    })

    # Build clean workspace

    assert cli.get_element_state(project, element_name) == 'buildable'

    assert cli.get_element_key(project, element_name) == "{:?<64}".format('')

    result = cli.run(project=project, args=['build', element_name])

    result.assert_success()

    assert cli.get_element_state(project, element_name) == 'cached'

    assert cli.get_element_key(project, element_name) != "{:?<64}".format('')

    # Modify the workspace in various different ways, ensuring we

    # properly detect the changes.

    #

    if modification == 'addfile':

        os.makedirs(os.path.join(workspace, 'etc'))

        with open(os.path.join(workspace, 'etc', 'pony.conf'), 'w') as f:

            f.write("PONY='pink'")

    elif modification == 'removefile':

        os.remove(os.path.join(workspace, 'usr', 'bin', 'hello'))

    elif modification == 'modifyfile':

        with open(os.path.join(workspace, 'usr', 'bin', 'hello'), 'w') as f:

            f.write('cookie')

    else:

        # This cannot be reached

        assert 0

    # First assert that the state is properly detected

    assert cli.get_element_state(project, element_name) == 'buildable'

    assert cli.get_element_key(project, element_name) == "{:?<64}".format('')

    # Since there are different things going on at `bst build` time

    # than `bst show` time, we also want to build / checkout again,

    # and ensure that the result contains what we expect.

    result = cli.run(project=project, args=['build', element_name])

    result.assert_success()

    assert cli.get_element_state(project, element_name) == 'cached'

    assert cli.get_element_key(project, element_name) != "{:?<64}".format('')

    # Checkout the result

    result = cli.run(project=project, args=[

        'checkout', element_name, checkout

    ])

    result.assert_success()

    # Check the result for the changes we made

    #

    if modification == 'addfile':

        filename = os.path.join(checkout, 'etc', 'pony.conf')

        assert os.path.exists(filename)

    elif modification == 'removefile':

        assert not os.path.exists(os.path.join(checkout, 'usr', 'bin', 'hello'))

    elif modification == 'modifyfile':

        with open(os.path.join(workspace, 'usr', 'bin', 'hello'), 'r') as f:

            data = f.read()

            assert data == 'cookie'

    else:

        # This cannot be reached

        assert 0

# Ensure that various versions that should not be accepted raise a

# LoadError.INVALID_DATA

@pytest.mark.datafiles(DATA_DIR)