chore: implement --no-deps (#20569)

docs/src/test-api/class-testproject.md

@@ -91,8 +91,11 @@ export default defineConfig({
 
 List of projects that need to run before any test in this project runs. Dependencies can
 be useful for configuring the global setup actions in a way that every action is
-in a form of a test. That way one can record traces and other artifacts for the
+in a form of a test. Passing `--no-deps` argument ignores the dependencies and
-global setup routine, see the setup steps in the test report, etc.
+behaves as if they were not specified.
+
+Using dependencies allows global setup to produce traces and other artifacts,
+see the setup steps in the test report, etc.
 
 For example:
 
@@ -105,7 +108,6 @@ export default defineConfig({
     {
       name: 'setup',
       testMatch: /global.setup\.ts/,
-      dependencies: ['setup'],
     },
     {
       name: 'chromium',

packages/playwright-test/src/cli.ts

@@ -50,6 +50,7 @@ function addTestCommand(program: Command) {
   command.option('-j, --workers <workers>', `Number of concurrent workers or percentage of logical CPU cores, use 1 to run in a single worker (default: 50%)`);
   command.option('--list', `Collect all the tests and report them, but do not run`);
   command.option('--max-failures <N>', `Stop after the first N failures`);
+  command.option('--no-deps', 'Do not run project dependencies');
   command.option('--output <dir>', `Folder for output artifacts (default: "test-results")`);
   command.option('--pass-with-no-tests', `Makes test run succeed even if no tests were found`);
   command.option('--quiet', `Suppress stdio`);
@@ -154,6 +155,8 @@ async function runTests(args: string[], opts: { [key: string]: any }) {
     await configLoader.loadConfigFile(resolvedConfigFile);
   else
     await configLoader.loadEmptyConfig(configFileOrDirectory);
+  if (opts.deps === false)
+    configLoader.ignoreProjectDependencies();
 
   const config = configLoader.fullConfig();
   config._internal.testFileFilters = args.map(arg => {

packages/playwright-test/src/common/configLoader.ts

@@ -151,6 +151,11 @@ export class ConfigLoader {
     this._assignUniqueProjectIds(this._fullConfig.projects);
   }
 
+  ignoreProjectDependencies() {
+    for (const project of this._fullConfig.projects)
+      project._internal.deps = [];
+  }
+
   private _assignUniqueProjectIds(projects: FullProjectInternal[]) {
     const usedNames = new Set();
     for (const p of projects) {

packages/playwright-test/types/test.d.ts

@@ -187,8 +187,11 @@ export interface FullProject<TestArgs = {}, WorkerArgs = {}> {
   name: string;
   /**
    * List of projects that need to run before any test in this project runs. Dependencies can be useful for configuring
-   * the global setup actions in a way that every action is in a form of a test. That way one can record traces and
+   * the global setup actions in a way that every action is in a form of a test. Passing `--no-deps` argument ignores
-   * other artifacts for the global setup routine, see the setup steps in the test report, etc.
+   * the dependencies and behaves as if they were not specified.
+   *
+   * Using dependencies allows global setup to produce traces and other artifacts, see the setup steps in the test
+   * report, etc.
    *
    * For example:
    *
@@ -201,7 +204,6 @@ export interface FullProject<TestArgs = {}, WorkerArgs = {}> {
    *     {
    *       name: 'setup',
    *       testMatch: /global.setup\.ts/,
-   *       dependencies: ['setup'],
    *     },
    *     {
    *       name: 'chromium',
@@ -5039,8 +5041,11 @@ export interface TestInfoError {
 interface TestProject {
   /**
    * List of projects that need to run before any test in this project runs. Dependencies can be useful for configuring
-   * the global setup actions in a way that every action is in a form of a test. That way one can record traces and
+   * the global setup actions in a way that every action is in a form of a test. Passing `--no-deps` argument ignores
-   * other artifacts for the global setup routine, see the setup steps in the test report, etc.
+   * the dependencies and behaves as if they were not specified.
+   *
+   * Using dependencies allows global setup to produce traces and other artifacts, see the setup steps in the test
+   * report, etc.
    *
    * For example:
    *
@@ -5053,7 +5058,6 @@ interface TestProject {
    *     {
    *       name: 'setup',
    *       testMatch: /global.setup\.ts/,
-   *       dependencies: ['setup'],
    *     },
    *     {
    *       name: 'chromium',

tests/playwright-test/deps.spec.ts

@@ -32,12 +32,34 @@ test('should run projects with dependencies', async ({ runInlineTest }) => {
         console.log('\\n%%' + testInfo.project.name);
       });
     `,
-  }, { workers: 1 });
+  }, { workers: 1 }, undefined, { additionalArgs: ['--project=B', '--project=C'] });
   expect(result.exitCode).toBe(0);
   expect(result.passed).toBe(3);
   expect(extractLines(result.output)).toEqual(['A', 'B', 'C']);
 });
 
+test('should not run projects with dependencies when --no-deps is passed', async ({ runInlineTest }) => {
+  const result = await runInlineTest({
+    'playwright.config.ts': `
+      module.exports = {
+        projects: [
+          { name: 'A' },
+          { name: 'B', dependencies: ['A'] },
+          { name: 'C', dependencies: ['A'] },
+        ],
+      };`,
+    'test.spec.ts': `
+      const { test } = pwt;
+      test('test', async ({}, testInfo) => {
+        console.log('\\n%%' + testInfo.project.name);
+      });
+    `,
+  }, { workers: 1 }, undefined, { additionalArgs: ['--no-deps', '--project=B', '--project=C'] });
+  expect(result.exitCode).toBe(0);
+  expect(result.passed).toBe(2);
+  expect(extractLines(result.output)).toEqual(['B', 'C']);
+});
+
 test('should not run project if dependency failed', async ({ runInlineTest }) => {
   const result = await runInlineTest({
     'playwright.config.ts': `