Exemplo n.º 1
0
def test_single_pull(temp_repo_func, mocker):
    backend = CurrentEnvironmentBackend(verbosity=2,
                                        current_environment_requirements=None)
    arca = Arca(backend=backend, base_dir=BASE_DIR, single_pull=True)

    mocker.spy(arca, "_pull")

    task = Task("test_file:return_str_function")

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == "Some string"
    assert arca._pull.call_count == 1

    temp_repo_func.file_path.write_text(SECOND_RETURN_STR_FUNCTION)
    temp_repo_func.repo.index.add([str(temp_repo_func.file_path)])
    temp_repo_func.repo.index.commit("Updated function")

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == "Some string"
    assert arca._pull.call_count == 1

    arca.pull_again(temp_repo_func.url, temp_repo_func.branch)

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == TEST_UNICODE
    assert arca._pull.call_count == 2
Exemplo n.º 2
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def test_keep_container_running(temp_repo_func):
    backend = DockerBackend(verbosity=2, keep_container_running=True)

    arca = Arca(backend=backend, base_dir=BASE_DIR)

    task = Task("test_file:return_str_function")

    backend.check_docker_access()  # init docker client

    container_count = len(backend.client.containers.list())

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == "Some string"

    count_after_run = len(backend.client.containers.list())

    assert count_after_run == container_count + 1  # let's assume no changes are done to containers elsewhere
    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == "Some string"

    count_after_second_run = len(backend.client.containers.list())

    assert count_after_second_run == container_count + 1  # the count is still the same

    backend.stop_containers()

    count_after_stop = len(backend.client.containers.list())

    assert count_after_stop == container_count
Exemplo n.º 3
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def test_inherit_image(temp_repo_func):
    backend = DockerBackend(verbosity=2, inherit_image="python:alpine3.6")

    arca = Arca(backend=backend, base_dir=BASE_DIR)
    task = Task("test_file:return_str_function")

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == "Some string"

    temp_repo_func.file_path.write_text(RETURN_PLATFORM)
    temp_repo_func.repo.index.add([str(temp_repo_func.file_path)])
    temp_repo_func.repo.index.commit("Platform")

    task = Task("test_file:return_platform")

    # debian is the default, alpine dist() returns ('', '', '') on - so this fails when the default image is used
    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output != "debian"

    requirements_path = temp_repo_func.repo_path / backend.requirements_location
    requirements_path.write_text("colorama==0.3.9")

    temp_repo_func.file_path.write_text(RETURN_COLORAMA_VERSION_FUNCTION)
    temp_repo_func.repo.index.add(
        [str(temp_repo_func.file_path),
         str(requirements_path)])
    temp_repo_func.repo.index.commit("Added requirements, changed to version")

    colorama_task = Task("test_file:return_str_function")

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    colorama_task).output == "0.3.9"
Exemplo n.º 4
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def test_cache(mocker, temp_repo_func, cache_backend, arguments):
    base_dir = Path(BASE_DIR)

    backend = VenvBackend(verbosity=2)

    base_dir.mkdir(parents=True, exist_ok=True)

    arca = Arca(backend=backend,
                base_dir=BASE_DIR,
                single_pull=True,
                settings={
                    "ARCA_CACHE_BACKEND": cache_backend,
                    "ARCA_CACHE_BACKEND_ARGUMENTS": arguments
                })

    requirements_path = temp_repo_func.repo_path / "requirements.txt"
    requirements_path.write_text("colorama==0.3.9")
    temp_repo_func.repo.index.add([str(requirements_path)])

    temp_repo_func.file_path.write_text(RETURN_COLORAMA_VERSION_FUNCTION)
    temp_repo_func.repo.index.add([str(temp_repo_func.file_path)])
    temp_repo_func.repo.index.commit("Added requirements")

    colorama_task = Task("test_file:return_str_function")

    repo = arca.get_repo(temp_repo_func.url, temp_repo_func.branch)
    cache_key = arca.cache_key(temp_repo_func.url, temp_repo_func.branch,
                               colorama_task, repo)

    # delete from previous tests
    arca.region.delete(cache_key)
    assert arca.region.get(cache_key) is NO_VALUE

    mocker.spy(arca.backend, "run")

    # run the first time, check it actually cached
    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    colorama_task).output == "0.3.9"
    assert arca.backend.run.call_count == 1

    repo = arca.get_repo(temp_repo_func.url, temp_repo_func.branch)

    assert arca.region.get(
        arca.cache_key(temp_repo_func.url, temp_repo_func.branch,
                       colorama_task, repo)) is not NO_VALUE

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    colorama_task).output == "0.3.9"
    # check that the result was actually from cache, that run wasn't called again
    assert arca.backend.run.call_count == 1

    arca.pull_again(temp_repo_func.url, temp_repo_func.branch)

    mocker.spy(arca, "get_files")

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    colorama_task).output == "0.3.9"
    assert arca.get_files.call_count == 1  # check that the repo was pulled
Exemplo n.º 5
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def test_push_to_registry(temp_repo_func, mocker):
    backend = DockerBackend(verbosity=2,
                            use_registry_name="docker.io/mikicz/arca-test")
    arca = Arca(backend=backend, base_dir=BASE_DIR)

    temp_repo_func.file_path.write_text(RETURN_COLORAMA_VERSION_FUNCTION)
    requirements_path = temp_repo_func.repo_path / backend.requirements_location
    requirements_path.write_text("colorama==0.3.9")

    temp_repo_func.repo.index.add(
        [str(temp_repo_func.file_path),
         str(requirements_path)])
    temp_repo_func.repo.index.commit("Initial")

    task = Task("test_file:return_str_function")

    # even though the image might already exist on the registry, lets pretend it doesn't
    mocker.patch.object(backend, "try_pull_image_from_registry",
                        lambda *args: None)
    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == "0.3.9"
    mocker.stopall()

    image = backend.get_image_for_repo(temp_repo_func.url,
                                       temp_repo_func.branch,
                                       temp_repo_func.repo,
                                       temp_repo_func.repo_path)

    backend.client.images.remove(image.id, force=True)

    mocker.spy(backend, "build_image")

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == "0.3.9"
    assert backend.build_image.call_count == 0

    # test push disabled
    mocker.patch.object(backend, "try_pull_image_from_registry",
                        lambda *args: None)

    # untag the image so Arca thinks the images was just built and that it needs to be pushed
    for image in backend.client.images.list("docker.io/mikicz/arca-test"):
        for tag in image.tags:
            if tag.startswith("docker.io/mikicz/arca-test"):
                backend.client.images.remove(tag)

    backend = DockerBackend(verbosity=2,
                            use_registry_name="docker.io/mikicz/arca-test",
                            registry_pull_only=True)
    arca = Arca(backend=backend, base_dir=BASE_DIR)

    mocker.spy(backend, "push_to_registry")

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == "0.3.9"
    assert backend.push_to_registry.call_count == 0
Exemplo n.º 6
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def test_unicode_path(temp_repo_func,):
    backend = CurrentEnvironmentBackend(verbosity=2)
    arca = Arca(backend=backend, base_dir=BASE_DIR + "/abčď", single_pull=True)

    task = Task("test_file:return_str_function")

    assert arca.run(temp_repo_func.url, temp_repo_func.branch, task).output == "Some string"
Exemplo n.º 7
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def test_python_version(temp_repo_func, python_version):
    backend = DockerBackend(verbosity=2, python_version=python_version)

    arca = Arca(backend=backend, base_dir=BASE_DIR)

    temp_repo_func.file_path.write_text(RETURN_PYTHON_VERSION_FUNCTION)
    temp_repo_func.repo.index.add([str(temp_repo_func.file_path)])
    temp_repo_func.repo.index.commit("Initial")

    task = Task("test_file:return_python_version")
    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == python_version
Exemplo n.º 8
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def test_output(temp_repo_func):
    arca = Arca(backend=CurrentEnvironmentBackend)

    temp_repo_func.file_path.write_text(PRINTING_FUNCTION)
    temp_repo_func.repo.index.add([str(temp_repo_func.file_path)])
    temp_repo_func.repo.index.commit("Initial")

    result = arca.run(temp_repo_func.url, temp_repo_func.branch,
                      Task("test_file:func"))

    assert result.output == 1
    assert result.stdout == "Printed to stdout\nWritten to stdout"
    assert result.stderr == "Printed to stderr\nWritten to stderr"
Exemplo n.º 9
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def test_apt_dependencies(temp_repo_func):
    backend = DockerBackend(verbosity=2, apt_dependencies=["libasound2-dev"])

    arca = Arca(backend=backend, base_dir=BASE_DIR)

    requirements_path = temp_repo_func.repo_path / "requirements.txt"
    requirements_path.write_text("pyalsaaudio==0.8.4")

    temp_repo_func.file_path.write_text(RETURN_ALSAAUDIO_INSTALLED)
    temp_repo_func.repo.index.add(
        [str(temp_repo_func.file_path),
         str(requirements_path)])
    temp_repo_func.repo.index.commit("Added requirements, changed to lxml")

    # pyalsaaudio can't be installed if libasound2-dev is missing
    task = Task("test_file:return_alsaaudio_installed")
    assert arca.run(temp_repo_func.url, temp_repo_func.branch, task).output
Exemplo n.º 10
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def test_push_to_registry_fail(temp_repo_func):
    # when a unused repository name is used, it's created -> different username has to be used
    backend = DockerBackend(
        verbosity=2,
        use_registry_name="docker.io/mikicz-unknown-user/arca-test")
    arca = Arca(backend=backend, base_dir=BASE_DIR)

    temp_repo_func.file_path.write_text(RETURN_COLORAMA_VERSION_FUNCTION)
    requirements_path = temp_repo_func.repo_path / backend.requirements_location
    requirements_path.write_text("colorama==0.3.9")

    temp_repo_func.repo.index.add(
        [str(temp_repo_func.file_path),
         str(requirements_path)])
    temp_repo_func.repo.index.commit("Initial")

    task = Task("test_file:return_str_function")

    with pytest.raises(PushToRegistryError):
        assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                        task).output == "0.3.9"
Exemplo n.º 11
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def test_current_environment_backend(temp_repo_func, requirements_location,
                                     file_location):
    """ Tests the basic stuff around backends, if it can install requirements from more locations,
        launch stuff with correct cwd, works well with multiple branches, etc
    """
    kwargs = {}

    if requirements_location is not None:
        kwargs["requirements_location"] = requirements_location

    if file_location is not None:
        kwargs["cwd"] = file_location

    backend = CurrentEnvironmentBackend(verbosity=2, **kwargs)

    arca = Arca(backend=backend, base_dir=BASE_DIR)

    if file_location is None:
        filepath = temp_repo_func.file_path
    else:
        filepath = temp_repo_func.repo_path / file_location / "test_file.py"
        filepath.parent.mkdir(exist_ok=True, parents=True)
        temp_repo_func.file_path.replace(filepath)

        temp_repo_func.repo.index.remove([str(temp_repo_func.file_path)])
        temp_repo_func.repo.index.add([str(filepath)])
        temp_repo_func.repo.index.commit("Initial")

    task = Task("test_file:return_str_function")

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == "Some string"

    filepath.write_text(SECOND_RETURN_STR_FUNCTION)
    temp_repo_func.repo.create_head("new_branch")
    temp_repo_func.repo.create_tag("test_tag")
    temp_repo_func.repo.index.add([str(filepath)])
    temp_repo_func.repo.index.commit("Updated function")

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == TEST_UNICODE

    # in the other branch there's still the original
    assert arca.run(temp_repo_func.url, "new_branch",
                    task).output == "Some string"
    # test that tags work as well
    assert arca.run(temp_repo_func.url, "test_tag",
                    task).output == "Some string"

    temp_repo_func.repo.branches.master.checkout()

    requirements_path = temp_repo_func.repo_path / backend.requirements_location
    requirements_path.parent.mkdir(exist_ok=True, parents=True)
    requirements_path.write_text("colorama==0.3.9")

    filepath.write_text(RETURN_COLORAMA_VERSION_FUNCTION)

    temp_repo_func.repo.index.add([str(filepath), str(requirements_path)])
    temp_repo_func.repo.index.commit("Added requirements, changed to version")

    # check that it's not installed from previous tests
    _pip_action("uninstall", "colorama")

    with pytest.raises(ModuleNotFoundError):
        import colorama  # noqa

    # CurrentEnv fails because it ignores requirements
    with pytest.raises(BuildError):
        assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                        task).output == "0.3.9"

    # but when it's installed locally then it succeeds
    _pip_action("install", "colorama==0.3.9")

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == "0.3.9"

    # cleanup

    _pip_action("uninstall", "colorama")

    with pytest.raises(ModuleNotFoundError):
        import colorama  # noqa
Exemplo n.º 12
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def test_strategy_ignore(mocker, temp_repo_func, strategy):
    install_requirements = mocker.patch.object(CurrentEnvironmentBackend, "install_requirements")

    arca = Arca(backend=CurrentEnvironmentBackend(
        verbosity=2,
        current_environment_requirements=None,
        requirements_strategy=strategy
    ), base_dir=BASE_DIR)

    task = Task("test_file:return_str_function")

    # nor the current env or the repo has any requirements, install requirements is not called at all
    assert arca.run(temp_repo_func.url, temp_repo_func.branch, task).output == "Some string"
    assert install_requirements.call_count == 0

    # keep a reference to when the repo had no requirements, needed later
    temp_repo_func.repo.create_head("no_requirements")
    temp_repo_func.repo.branches.master.checkout()

    requirements_path = temp_repo_func.repo_path / arca.backend.requirements_location
    requirements_path.write_text("colorama==0.3.9")

    temp_repo_func.file_path.write_text(RETURN_COLORAMA_VERSION_FUNCTION)

    temp_repo_func.repo.index.add([str(temp_repo_func.file_path), str(requirements_path)])
    temp_repo_func.repo.index.commit("Added requirements, changed to version")

    # now the repository has got requirements
    # install still not called but the task should fail because colorama is not installed
    with pytest.raises(BuildError):
        arca.run(temp_repo_func.url, temp_repo_func.branch, task)
    assert install_requirements.call_count == 0

    current_env_requirements = Path(BASE_DIR) / (str(uuid4()) + ".txt")
    current_env_requirements_non_existent = Path(BASE_DIR) / (str(uuid4()) + ".txt")

    with current_env_requirements.open("w") as fl:
        fl.write("colorama==0.3.9")

    arca = Arca(backend=CurrentEnvironmentBackend(
        verbosity=2,
        current_environment_requirements=str(current_env_requirements.resolve()),
        requirements_strategy=strategy
    ), base_dir=BASE_DIR)

    arca_nonexistent_req = Arca(backend=CurrentEnvironmentBackend(
        verbosity=2,
        current_environment_requirements=str(current_env_requirements_non_existent.resolve()),
        requirements_strategy=strategy
    ), base_dir=BASE_DIR)

    # now both the current env and the repo have requirements
    # install still not called but the task should fail because colorama is not installed
    with pytest.raises(BuildError):
        arca.run(temp_repo_func.url, temp_repo_func.branch, task)

    # same result even when the current env requirements don't exist
    with pytest.raises(BuildError):
        arca_nonexistent_req.run(temp_repo_func.url, temp_repo_func.branch, task)

    assert install_requirements.call_count == 0

    # even when the requirements are not the same
    with current_env_requirements.open("w") as fl:
        fl.write("six")
    with pytest.raises(BuildError):
        arca.run(temp_repo_func.url, temp_repo_func.branch, task)

    assert install_requirements.call_count == 0

    # and now we test everything still works when the req. file is missing from repo
    assert arca.run(temp_repo_func.url, "no_requirements", task).output == "Some string"
    assert arca_nonexistent_req.run(temp_repo_func.url, "no_requirements", task).output == "Some string"

    assert install_requirements.call_count == 0
Exemplo n.º 13
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def test_advanced_backends(temp_repo_func, backend):
    """ Tests the more time-intensive stuff, like timeouts or arguments,
        things multiple for runs with different arguments are not neccessary
    """
    if os.environ.get("TRAVIS", False) and backend == VenvBackend:
        pytest.skip("Venv Backend doesn't work on Travis")

    kwargs = {}

    if backend == DockerBackend:
        kwargs["disable_pull"] = True
    if backend == CurrentEnvironmentBackend:
        kwargs["current_environment_requirements"] = None
        kwargs["requirements_strategy"] = "install_extra"

    backend = backend(verbosity=2, **kwargs)

    arca = Arca(backend=backend, base_dir=BASE_DIR)

    filepath = temp_repo_func.file_path
    requirements_path = temp_repo_func.repo_path / backend.requirements_location

    filepath.write_text(ARG_STR_FUNCTION)
    temp_repo_func.repo.index.add([str(filepath)])
    temp_repo_func.repo.index.commit("Argument function")

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    Task("test_file:return_str_function",
                         args=[TEST_UNICODE])).output == TEST_UNICODE[::-1]

    filepath.write_text(KWARG_STR_FUNCTION)
    temp_repo_func.repo.index.add([str(filepath)])
    temp_repo_func.repo.index.commit("Keyword argument function")

    assert arca.run(
        temp_repo_func.url, temp_repo_func.branch,
        Task("test_file:return_str_function",
             kwargs={"kwarg": TEST_UNICODE})).output == TEST_UNICODE[::-1]

    # test task timeout
    filepath.write_text(WAITING_FUNCTION)
    temp_repo_func.repo.index.add([str(filepath)])
    temp_repo_func.repo.index.commit("Waiting function")

    task_1_second = Task("test_file:return_str_function", timeout=1)
    task_3_seconds = Task("test_file:return_str_function", timeout=3)

    with pytest.raises(BuildTimeoutError):
        arca.run(temp_repo_func.url, temp_repo_func.branch, task_1_second)

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task_3_seconds).output == "Some string"

    # test requirements timeout
    requirements_path.write_text("scipy")

    filepath.write_text(RETURN_STR_FUNCTION)

    temp_repo_func.repo.index.add([str(filepath), str(requirements_path)])
    temp_repo_func.repo.index.commit(
        "Updated requirements to something that takes > 1 second to install")

    arca.backend.requirements_timeout = 1

    with pytest.raises(BuildTimeoutError):
        arca.run(temp_repo_func.url, temp_repo_func.branch,
                 Task("test_file:return_str_function"))
Exemplo n.º 14
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def test_strategy_install_extra(temp_repo_func, mocker, strategy):
    install_requirements = mocker.spy(CurrentEnvironmentBackend, "install_requirements")

    arca = Arca(backend=CurrentEnvironmentBackend(
        verbosity=2,
        current_environment_requirements=None,
        requirements_strategy=strategy
    ), base_dir=BASE_DIR)

    arca_non_existent = Arca(backend=CurrentEnvironmentBackend(
        verbosity=2,
        current_environment_requirements=str((Path(BASE_DIR) / (str(uuid4()) + ".txt")).resolve()),
        requirements_strategy=strategy
    ), base_dir=BASE_DIR)

    task = Task("test_file:return_str_function")

    # nor the current env or the repo has any requirements, install requirements is not called at all
    assert arca.run(temp_repo_func.url, temp_repo_func.branch, task).output == "Some string"

    # even when the current env file is missing
    assert arca_non_existent.run(temp_repo_func.url, temp_repo_func.branch, task).output == "Some string"

    assert install_requirements.call_count == 0

    # keep a reference to when the repo had no requirements, needed later
    temp_repo_func.repo.create_head("no_requirements")
    temp_repo_func.repo.branches.master.checkout()

    requirements_path = temp_repo_func.repo_path / arca.backend.requirements_location
    requirements_path.write_text("colorama==0.3.9")
    temp_repo_func.file_path.write_text(RETURN_COLORAMA_VERSION_FUNCTION)

    temp_repo_func.repo.index.add([str(temp_repo_func.file_path), str(requirements_path)])
    temp_repo_func.repo.index.commit("Added requirements, changed to version")

    # Repository now contains a requirement while the current env has none - install is called with whole file
    assert arca.run(temp_repo_func.url, temp_repo_func.branch, task).output == "0.3.9"

    # but raises exception when can't compare because the current env file is missing
    with pytest.raises(ArcaMisconfigured):
        arca_non_existent.run(temp_repo_func.url, temp_repo_func.branch, task)

    assert install_requirements.call_count == 1

    current_env_requirements = Path(BASE_DIR) / (str(uuid4()) + ".txt")
    with current_env_requirements.open("w") as fl:
        fl.write("colorama==0.3.9")

    arca = Arca(backend=CurrentEnvironmentBackend(
        verbosity=2,
        current_environment_requirements=str(current_env_requirements.resolve()),
        requirements_strategy=strategy
    ), base_dir=BASE_DIR)

    # now both the current env and the repo have the same requirements, call count shouldn't increase
    assert arca.run(temp_repo_func.url, temp_repo_func.branch, task).output == "0.3.9"
    assert install_requirements.call_count == 1

    with current_env_requirements.open("w") as fl:
        fl.write("six")

    # requirements are now not the same, install is called again
    assert arca.run(temp_repo_func.url, temp_repo_func.branch, task).output == "0.3.9"
    assert install_requirements.call_count == 2

    # and now we test everything still works when the req. file is missing from repo but env. reqs. are set
    assert arca.run(temp_repo_func.url, "no_requirements", task).output == "Some string"

    arca.backend._uninstall("colorama")
Exemplo n.º 15
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def test_strategy_raise(temp_repo_func, strategy):
    arca = Arca(backend=CurrentEnvironmentBackend(
        verbosity=2,
        current_environment_requirements=None,
        requirements_strategy=strategy
    ), base_dir=BASE_DIR)
    arca_non_existent = Arca(backend=CurrentEnvironmentBackend(
        verbosity=2,
        current_environment_requirements=str((Path(BASE_DIR) / (str(uuid4()) + ".txt")).resolve()),
        requirements_strategy=strategy
    ), base_dir=BASE_DIR)

    task = Task("test_file:return_str_function")

    # nor the current env or the repo has any requirements, install requirements is not called at all
    assert arca.run(temp_repo_func.url, temp_repo_func.branch, task).output == "Some string"

    # even when the current env. req. file doesn't exist
    assert arca_non_existent.run(temp_repo_func.url, temp_repo_func.branch, task).output == "Some string"

    # keep a reference to when the repo had no requirements, needed later
    temp_repo_func.repo.create_head("no_requirements")
    temp_repo_func.repo.branches.master.checkout()

    requirements_path = temp_repo_func.repo_path / arca.backend.requirements_location
    requirements_path.write_text("colorama==0.3.9")

    temp_repo_func.file_path.write_text(RETURN_COLORAMA_VERSION_FUNCTION)

    temp_repo_func.repo.index.add([str(temp_repo_func.file_path), str(requirements_path)])
    temp_repo_func.repo.index.commit("Added requirements, changed to version")

    # Run should raise a exception because there's now extra requirements in the repo
    with pytest.raises(RequirementsMismatch):
        arca.run(temp_repo_func.url, temp_repo_func.branch, task)

    # raise different exception when can't compare to current env because it's missing
    with pytest.raises(ArcaMisconfigured):
        arca_non_existent.run(temp_repo_func.url, temp_repo_func.branch, task)

    current_env_requirements = Path(BASE_DIR) / (str(uuid4()) + ".txt")
    current_env_requirements.write_text("colorama==0.3.9")

    arca = Arca(backend=CurrentEnvironmentBackend(
        verbosity=2,
        current_environment_requirements=str(current_env_requirements.resolve()),
        requirements_strategy=strategy
    ), base_dir=BASE_DIR)

    # now both the current env and the repo have the same requirements
    # run should fail not because of mismatch, but because colorama is not actually installed
    with pytest.raises(BuildError):
        arca.run(temp_repo_func.url, temp_repo_func.branch, task)

    # an extra requirement when current env. reqs. are set
    with current_env_requirements.open("w") as fl:
        fl.write("six")
    with pytest.raises(RequirementsMismatch):
        arca.run(temp_repo_func.url, temp_repo_func.branch, task)

    # and now we test everything still works when the req. file is missing from repo but env. reqs. are set
    assert arca.run(temp_repo_func.url, "no_requirements", task).output == "Some string"
Exemplo n.º 16
0
def test_inherit_image(temp_repo_func):
    backend = DockerBackend(verbosity=2,
                            inherit_image="mikicz/alpine-python-pipenv:latest")

    arca = Arca(backend=backend, base_dir=BASE_DIR)
    task = Task("test_file:return_str_function")

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == "Some string"

    temp_repo_func.file_path.write_text(RETURN_PLATFORM)
    temp_repo_func.repo.index.add([str(temp_repo_func.file_path)])
    temp_repo_func.repo.index.commit("Platform")

    task = Task("test_file:return_platform")

    # debian is the default, alpine dist() returns ('', '', '') on - so this fails when the default image is used
    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output != "debian"

    requirements_path = temp_repo_func.repo_path / backend.requirements_location
    requirements_path.write_text("colorama==0.3.8")

    temp_repo_func.file_path.write_text(RETURN_COLORAMA_VERSION_FUNCTION)
    temp_repo_func.repo.index.add(
        [str(temp_repo_func.file_path),
         str(requirements_path)])
    temp_repo_func.repo.index.commit("Added requirements, changed to version")

    colorama_task = Task("test_file:return_str_function")

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    colorama_task).output == "0.3.8"

    # Pipfile

    pipfile_path = requirements_path.parent / "Pipfile"
    pipfile_lock_path = pipfile_path.parent / "Pipfile.lock"

    pipfile_path.write_text(
        (Path(__file__).parent / "fixtures/Pipfile").read_text("utf-8"))

    temp_repo_func.repo.index.remove([str(requirements_path)])
    temp_repo_func.repo.index.add([str(pipfile_path)])
    temp_repo_func.repo.index.commit("Added Pipfile")

    with pytest.raises(BuildError):  # Only Pipfile
        arca.run(temp_repo_func.url, temp_repo_func.branch, colorama_task)

    pipfile_lock_path.write_text(
        (Path(__file__).parent / "fixtures/Pipfile.lock").read_text("utf-8"))

    temp_repo_func.repo.index.remove([str(pipfile_path)])
    temp_repo_func.repo.index.add([str(pipfile_lock_path)])
    temp_repo_func.repo.index.commit("Removed Pipfile, added Pipfile.lock")

    with pytest.raises(BuildError):  # Only Pipfile.lock
        arca.run(temp_repo_func.url, temp_repo_func.branch, colorama_task)

    pipfile_path.write_text(
        (Path(__file__).parent / "fixtures/Pipfile").read_text("utf-8"))

    temp_repo_func.repo.index.add([str(pipfile_path)])
    temp_repo_func.repo.index.commit("Added back Pipfile")

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    colorama_task).output == "0.3.9"

    # works even when requirements is in the repo
    requirements_path.write_text("colorama==0.3.8")
    temp_repo_func.repo.index.add([str(requirements_path)])
    temp_repo_func.repo.index.commit("Added back requirements")

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    colorama_task).output == "0.3.9"
Exemplo n.º 17
0
def test_backends(temp_repo_func, backend, requirements_location,
                  file_location):
    """ Tests the basic stuff around backends, if it can install requirements from more locations,
        launch stuff with correct cwd, works well with multiple branches, etc
    """
    if os.environ.get("TRAVIS", False) and backend == VenvBackend:
        pytest.skip("Venv Backend doesn't work on Travis")

    kwargs = {}

    if requirements_location is not None:
        kwargs["requirements_location"] = requirements_location

    if file_location is not None:
        kwargs["cwd"] = file_location

    if backend == DockerBackend:
        kwargs["disable_pull"] = True
    if backend == CurrentEnvironmentBackend:
        kwargs["current_environment_requirements"] = None
        kwargs["requirements_strategy"] = "install_extra"

    backend = backend(verbosity=2, **kwargs)

    arca = Arca(backend=backend, base_dir=BASE_DIR)

    if file_location is None:
        filepath = temp_repo_func.file_path
    else:
        filepath = temp_repo_func.repo_path / file_location / "test_file.py"
        filepath.parent.mkdir(exist_ok=True, parents=True)
        temp_repo_func.file_path.replace(filepath)

        temp_repo_func.repo.index.remove([str(temp_repo_func.file_path)])
        temp_repo_func.repo.index.add([str(filepath)])
        temp_repo_func.repo.index.commit("Initial")

    task = Task("test_file:return_str_function")

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == "Some string"

    filepath.write_text(SECOND_RETURN_STR_FUNCTION)
    temp_repo_func.repo.create_head("new_branch")
    temp_repo_func.repo.create_tag("test_tag")
    temp_repo_func.repo.index.add([str(filepath)])
    temp_repo_func.repo.index.commit("Updated function")

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == TEST_UNICODE

    # in the other branch there's still the original
    assert arca.run(temp_repo_func.url, "new_branch",
                    task).output == "Some string"
    # test that tags work as well
    assert arca.run(temp_repo_func.url, "test_tag",
                    task).output == "Some string"

    temp_repo_func.repo.branches.master.checkout()

    requirements_path = temp_repo_func.repo_path / backend.requirements_location
    requirements_path.parent.mkdir(exist_ok=True, parents=True)
    requirements_path.write_text("colorama==0.3.9")

    filepath.write_text(RETURN_COLORAMA_VERSION_FUNCTION)

    temp_repo_func.repo.index.add([str(filepath), str(requirements_path)])
    temp_repo_func.repo.index.commit("Added requirements, changed to version")

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == "0.3.9"

    requirements_path.write_text("colorama==0.3.8")

    temp_repo_func.repo.index.add([str(requirements_path)])
    temp_repo_func.repo.index.commit("Updated requirements")

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == "0.3.8"

    # cleanup

    if isinstance(backend, CurrentEnvironmentBackend):
        backend._uninstall("colorama")

    with pytest.raises(ModuleNotFoundError):
        import colorama  # noqa
Exemplo n.º 18
0
def test_vagrant(temp_repo_func, destroy=False):
    if os.environ.get("TRAVIS", False):
        pytest.skip("Vagrant doesn't work on Travis")

    backend = VagrantBackend(verbosity=2,
                             use_registry_name="docker.io/mikicz/arca-test",
                             keep_vm_running=True)
    arca = Arca(backend=backend, base_dir=BASE_DIR)

    if destroy:
        vagrant_location = backend.get_vm_location()
        if vagrant_location.exists():
            vagrant = Vagrant(vagrant_location)
            vagrant.destroy()
        shutil.rmtree(vagrant_location)

    # master branch - return colorama version
    temp_repo_func.file_path.write_text(RETURN_COLORAMA_VERSION_FUNCTION)
    requirements_path = temp_repo_func.repo_path / backend.requirements_location
    requirements_path.write_text("colorama==0.3.9")
    temp_repo_func.repo.index.add(
        [str(temp_repo_func.file_path),
         str(requirements_path)])
    temp_repo_func.repo.index.commit("Initial")

    # branch branch - return unicode
    temp_repo_func.repo.create_head("branch")
    temp_repo_func.repo.branches.branch.checkout()
    temp_repo_func.file_path.write_text(SECOND_RETURN_STR_FUNCTION)
    temp_repo_func.repo.index.add([str(temp_repo_func.file_path)])
    temp_repo_func.repo.index.commit("Test unicode on a separate branch")

    task = Task("test_file:return_str_function")

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == "0.3.9"

    # halt the VM, checks that the VM can be booted when stopped with the vagrant attribute set
    backend.stop_vm()
    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == "0.3.9"

    # halt the vm and create a new instance of the backend, to check that the vagrant attribute can be set from existing
    backend.stop_vm()
    backend = VagrantBackend(verbosity=2,
                             use_registry_name="docker.io/mikicz/arca-test",
                             keep_vm_running=True)
    arca = Arca(backend=backend, base_dir=BASE_DIR)
    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == "0.3.9"

    # test that two branches can work next to each other
    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task).output == "0.3.9"
    assert arca.run(temp_repo_func.url, "branch", task).output == TEST_UNICODE

    # test timeout
    temp_repo_func.repo.branches.master.checkout()
    temp_repo_func.file_path.write_text(WAITING_FUNCTION)
    temp_repo_func.repo.index.add([str(temp_repo_func.file_path)])
    temp_repo_func.repo.index.commit("Waiting function")

    task_1_second = Task("test_file:return_str_function", timeout=1)
    task_3_seconds = Task("test_file:return_str_function", timeout=3)

    with pytest.raises(BuildTimeoutError):
        assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                        task_1_second).output == "Some string"

    assert arca.run(temp_repo_func.url, temp_repo_func.branch,
                    task_3_seconds).output == "Some string"

    backend.stop_vm()

    if destroy:
        backend.destroy = True
        backend.stop_vm()