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build: add option for running all component tests #18371

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merged 1 commit into from
Feb 7, 2020
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build: add option for running all component tests #18371

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40 changes: 29 additions & 11 deletions scripts/run-component-tests.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
* Script that simplifies the workflow of running unit tests for a component
* using Bazel. Here are a few examples:
*
* node ./scripts/run-component-tests all | Runs tests for all components
* node ./scripts/run-component-tests button | Runs Material button tests
* node ./scripts/run-component-tests overlay | Runs CDK overlay tests
* node ./scripts/run-component-tests src/cdk/a11y | Runs CDK a11y tests
Expand Down Expand Up @@ -43,31 +44,48 @@ const {_: components, local, firefox, watch} = minimist(args, {
default: {watch: true},
});

// Exit if no component has been specified.
if (!components.length) {
console.error(chalk.red(
'No component specified. Specify a component name, or pass a ' +
'path to the component directory.'));
process.exit(1);
}
// Whether tests for all components should be run.
const all = components.length === 1 && components[0] === 'all';

// We can only run a single target with "--local". Running multiple targets within the
// same Karma server is not possible since each test target runs isolated from the others.
if (local && components.length > 1) {
if (local && (components.length > 1 || all)) {
console.error(chalk.red(
'Unable to run multiple components tests in local mode. ' +
'Only one component at a time can be run with "--local"'));
process.exit(1);
}

const bazelBinary = watch ? 'ibazel' : 'bazel';
const bazelAction = local ? 'run' : 'test';
const bazelBinary = `yarn -s ${watch ? 'ibazel' : 'bazel'}`;
const testTargetName =
`unit_tests_${local ? 'local' : firefox ? 'firefox-local' : 'chromium-local'}`;

// If `all` has been specified as component, we run tests for all components
// in the repository. The `--firefox` flag can be still specified.
if (all) {
shelljs.exec(
`${bazelBinary} test //src/... --test_tag_filters=-e2e,-browser:${testTargetName} ` +
`--build_tag_filters=-browser:${testTargetName} --build_tests_only`);
return;
}

// Exit if no component has been specified.
if (!components.length) {
console.error(chalk.red(
'No component specified. Please either specify individual components, or pass "all" ' +
'in order to run tests for all components.'));
console.info(chalk.yellow('Below are a few examples of how the script can be run:'));
console.info(chalk.yellow(` - yarn test all`));
console.info(chalk.yellow(` - yarn test cdk/overlay material/stepper`));
console.info(chalk.yellow(` - yarn test button toolbar`));
process.exit(1);
}

const bazelAction = local ? 'run' : 'test';
const testLabels = components.map(t => `${getBazelPackageOfComponentName(t)}:${testTargetName}`);

// Runs Bazel for the determined test labels.
shelljs.exec(`yarn -s ${bazelBinary} ${bazelAction} ${testLabels.join(' ')}`);
shelljs.exec(`${bazelBinary} ${bazelAction} ${testLabels.join(' ')}`);

/**
* Gets the Bazel package label for the specified component name. Throws if
Expand Down