recipe_modules/cache/tests/full.py

# Copyright 2020 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

DEPS = [
    "fuchsia/cache",
    "recipe_engine/context",
    "recipe_engine/path",
    "recipe_engine/step",
]


def RunSteps(api):
    with api.cache.guard(cache="example"):
        pass

    # Reentrancy should be allowed.
    with api.cache.guard(cache="example"):
        with api.cache.guard(cache="example"):
            pass

    try:
        with api.cache.guard(cache="failing"):
            api.step.empty("failing step", status=api.step.FAILURE)
    except api.step.StepFailure:
        pass

    # It shouldn't be allowed to enter a cache context while cwd is set to the
    # cache's directory.
    with api.context(cwd=api.path.cache_dir / "cwd_cache"):
        try:
            with api.cache.guard(cache="cwd_cache"):
                assert False  # pragma: no cover
        except ValueError:
            pass


def GenTests(api):
    yield api.test("default") + api.path.exists(
        api.path.cache_dir.joinpath("example", ".GUARD_FILE")
    )