recipes/envtest.py

# Copyright 2020 The Pigweed Authors
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
"""Recipe for testing Pigweed using developer env setup scripts."""

from __future__ import annotations

import re
from typing import TYPE_CHECKING

from PB.recipes.pigweed.envtest import InputProperties

if TYPE_CHECKING:  # pragma: no cover
    from typing import Generator
    from recipe_engine import config_types, recipe_api, recipe_test_api

DEPS = [
    'fuchsia/macos_sdk',
    'pigweed/checkout',
    'pigweed/ci_status',
    'pigweed/save_logs',
    'recipe_engine/context',
    'recipe_engine/defer',
    'recipe_engine/file',
    'recipe_engine/path',
    'recipe_engine/platform',
    'recipe_engine/properties',
    'recipe_engine/step',
]

PROPERTIES = InputProperties


def RunSteps(api: recipe_api.RecipeScriptApi, props: InputProperties):
    if res := api.ci_status.exit_early_in_recipe_testing_if_failing():
        return res  # pragma: no cover

    checkout: api.checkout.CheckoutContext = api.checkout(
        props.checkout_options
    )

    run: config_types.Path = api.path.start_dir / 'run'
    api.file.ensure_directory('mkdir run', run)

    setup_path: config_types.Path = checkout.root / (
        props.setup_path or 'bootstrap.sh'
    )
    env: dict[str, str] = {}

    for entry in props.environment_variables:
        k, v = entry.split(u'=', 1)
        env[str(k)] = str(v)

    env_root: config_types.Path = api.path.start_dir / 'environment'
    env['PW_ENVIRONMENT_ROOT'] = env_root
    env['PW_PRESUBMIT_DISABLE_SUBPROCESS_CAPTURE'] = '1'
    env['PW_ENVIRONMENT_NO_ERROR_ON_UNRECOGNIZED'] = '1'

    setup_path_dir: config_types.Path = api.path.abs_to_path(
        api.path.dirname(setup_path)
    )

    if api.platform.is_win and api.path.splitext(setup_path)[1] == '.sh':
        setup_name: str = api.path.basename(setup_path)
        setup_name: str = api.path.splitext(setup_name)[0] + '.bat'
        setup_path: config_types.Path = setup_path_dir / setup_name

    command: str = (
        str(props.command)
        or 'pw --directory $PW_ROOT --loglevel debug presubmit '
        '--step gn_clang_build'
    )
    # Replace '$ABC' with '%ABC%' on Windows.
    if api.platform.is_win:
        command = re.sub(r'\$([\w_]+)\b', r'%\1%', command)

    bootstrap_command: str = '{dot}{env_setup}'.format(
        dot='call ' if api.platform.is_win else '. ',
        # Without the replace here we end up with paths that have no
        # separators. Not sure why, but this fixes it.
        env_setup=api.path.realpath(setup_path).replace('\\', '\\\\'),
    )

    commands: list[str] = []
    # Call bootstrap multiple times because occasionally there are issues with
    # subsequent calls but not the first.
    for _ in range(props.bootstrap_count or 2):
        commands.append(bootstrap_command)
    commands.append(command)

    sh_source: str = ''.join(x + '\n' for x in commands)
    base: str = 'run.bat' if api.platform.is_win else 'run.sh'
    sh_path: config_types.Path = setup_path_dir / base
    api.file.write_text(f'write {base}', sh_path, sh_source)

    with api.macos_sdk(), api.defer.context() as defer:
        with api.context(cwd=run, env=env):
            if api.platform.is_win:
                result = defer(api.step, base, [sh_path])
            else:
                result = defer(
                    api.step, base, [props.shell or 'sh', '-x', sh_path]
                )

        api.save_logs(
            dirs=(env_root,),
            step_passed=result.is_ok(),
            step_name='envtest',
        )


def GenTests(api) -> Generator[recipe_test_api.TestData, None, None]:
    def properties(**kwargs):
        props = InputProperties(**kwargs)
        props.checkout_options.CopyFrom(api.checkout.git_options())
        return api.properties(props)

    yield api.test(
        'pigweed',
        properties(),
        api.checkout.ci_test_data(),
    )

    yield api.test(
        'windows',
        properties(),
        api.platform.name('win'),
        api.checkout.ci_test_data(),
    )

    yield api.test(
        'fail',
        properties(),
        api.checkout.ci_test_data(),
        api.step_data('run.sh', retcode=1),
        status='FAILURE',
    )

    yield api.test(
        'environment_variables',
        properties(environment_variables=['PW_BOOTSTRAP_PY27=1']),
    )