Add canvas renderer tests

.eslintrc.json

@@ -17,6 +17,7 @@
       "addons/xterm-addon-attach/src/tsconfig.json",
       "addons/xterm-addon-attach/test/tsconfig.json",
       "addons/xterm-addon-canvas/src/tsconfig.json",
+      "addons/xterm-addon-canvas/test/tsconfig.json",
       "addons/xterm-addon-fit/src/tsconfig.json",
       "addons/xterm-addon-fit/test/tsconfig.json",
       "addons/xterm-addon-image/src/tsconfig.json",

.github/workflows/ci.yml

@@ -259,8 +259,12 @@ jobs:
         ls -R
     - name: Build demo
       run: yarn build-demo
-    - name: Integration tests
-      run: yarn test-playwright-${{ matrix.browser }} --forbid-only
+    - name: Integration tests (core)
+      run: yarn test-playwright-${{ matrix.browser }} --forbid-only --workers 4 --suite=core
+    - name: Integration tests (xterm-addon-canvas)
+      run: yarn test-playwright-${{ matrix.browser }} --forbid-only --workers 4 --suite=xterm-addon-canvas
+    - name: Integration tests (xterm-addon-webgl)
+      run: yarn test-playwright-${{ matrix.browser }} --forbid-only --workers 4 --suite=xterm-addon-webgl
 
   test-api:
     needs: build

addons/xterm-addon-canvas/package.json

@@ -19,7 +19,8 @@
     "build": "../../node_modules/.bin/tsc -p .",
     "prepackage": "npm run build",
     "package": "../../node_modules/.bin/webpack",
-    "prepublishOnly": "npm run package"
+    "prepublishOnly": "npm run package",
+    "start-server-only": "node ../../demo/start-server-only"
   },
   "peerDependencies": {
     "xterm": "^5.0.0"

addons/xterm-addon-canvas/test/CanvasRenderer.test.ts

@@ -0,0 +1,31 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import test from '@playwright/test';
+import { ISharedRendererTestContext, injectSharedRendererTests } from '../../../out-test/playwright/SharedRendererTests';
+import { ITestContext, createTestContext, openTerminal } from '../../../out-test/playwright/TestUtils';
+
+let ctx: ITestContext;
+const ctxWrapper: ISharedRendererTestContext = {
+  value: undefined,
+  skipCanvasExceptions: true
+} as any;
+test.beforeAll(async ({ browser }) => {
+  ctx = await createTestContext(browser);
+  await openTerminal(ctx);
+  ctxWrapper.value = ctx;
+  await ctx.page.evaluate(`
+    window.addon = new window.CanvasAddon(true);
+    window.term.loadAddon(window.addon);
+  `);
+});
+test.afterAll(async () => await ctx.page.close());
+
+test.describe('Canvas Renderer Integration Tests', () => {
+  // HACK: The tests fail for an unknown reason
+  test.skip(({ browserName }) => browserName === 'webkit');
+
+  injectSharedRendererTests(ctxWrapper);
+});

addons/xterm-addon-canvas/test/playwright.config.ts

@@ -0,0 +1,35 @@
+import { PlaywrightTestConfig } from '@playwright/test';
+
+const config: PlaywrightTestConfig = {
+  testDir: '.',
+  timeout: 10000,
+  projects: [
+    {
+      name: 'Chrome Stable',
+      use: {
+        browserName: 'chromium',
+        channel: 'chrome'
+      }
+    },
+    {
+      name: 'Firefox Stable',
+      use: {
+        browserName: 'firefox'
+      }
+    },
+    {
+      name: 'WebKit',
+      use: {
+        browserName: 'webkit'
+      }
+    }
+  ],
+  reporter: 'list',
+  webServer: {
+    command: 'npm run start-server-only',
+    port: 3000,
+    timeout: 120000,
+    reuseExistingServer: !process.env.CI
+  }
+};
+export default config;

addons/xterm-addon-canvas/test/tsconfig.json

@@ -0,0 +1,41 @@
+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "target": "es2015",
+    "lib": [
+      "es6",
+    ],
+    "rootDir": ".",
+    "outDir": "../out-test",
+    "sourceMap": true,
+    "removeComments": true,
+    "baseUrl": ".",
+    "paths": {
+      "common/*": [
+        "../../../src/common/*"
+      ],
+      "browser/*": [
+        "../../../src/browser/*"
+      ]
+    },
+    "strict": true,
+    "types": [
+      "../../../node_modules/@types/node",
+      "../../../node_modules/@lunapaint/png-codec",
+      "../../../out-test/playwright/TestUtils",
+      "../../../out-test/playwright/SharedRendererTests"
+    ]
+  },
+  "include": [
+    "./**/*",
+    "../../../typings/xterm.d.ts"
+  ],
+  "references": [
+    {
+      "path": "../../../src/common"
+    },
+    {
+      "path": "../../../src/browser"
+    }
+  ]
+}

addons/xterm-addon-canvas/tsconfig.json

@@ -2,6 +2,7 @@
   "files": [],
   "include": [],
   "references": [
-    { "path": "./src" }
+    { "path": "./src" },
+    { "path": "./test" }
   ]
 }

addons/xterm-addon-webgl/package.json

@@ -20,7 +20,7 @@
     "prepackage": "npm run build",
     "package": "../../node_modules/.bin/webpack",
     "prepublishOnly": "npm run package",
-    "start": "node ../../demo/start"
+    "start-server-only": "node ../../demo/start-server-only"
   },
   "peerDependencies": {
     "xterm": "^5.0.0"

addons/xterm-addon-webgl/test/WebglRenderer.test.ts

@@ -4,19 +4,18 @@
  */
 
 import test from '@playwright/test';
-import { strictEqual } from 'assert';
-import { injectSharedRendererTests } from '../../../out-test/playwright/SharedRendererTests';
+import { ISharedRendererTestContext, injectSharedRendererTests } from '../../../out-test/playwright/SharedRendererTests';
 import { ITestContext, createTestContext, openTerminal } from '../../../out-test/playwright/TestUtils';
 import { platform } from 'os';
 
 let ctx: ITestContext;
-const ctxWrapper: { value: ITestContext } = { value: undefined } as any;
+const ctxWrapper: ISharedRendererTestContext = { value: undefined } as any;
 test.beforeAll(async ({ browser }) => {
   ctx = await createTestContext(browser);
   await openTerminal(ctx);
   ctxWrapper.value = ctx;
   await ctx.page.evaluate(`
-    window.addon = new WebglAddon(true);
+    window.addon = new window.WebglAddon(true);
     window.term.loadAddon(window.addon);
   `);
 });
@@ -29,16 +28,5 @@ test.describe('WebGL Renderer Integration Tests', async () => {
     test.skip(({ browserName }) => browserName === 'firefox');
   }
 
-  test('dispose removes renderer canvases', async function(): Promise<void> {
-    strictEqual(await ctx.page.evaluate(`document.querySelectorAll('.xterm canvas').length`), 2);
-    await ctx.page.evaluate(`addon.dispose()`);
-    strictEqual(await ctx.page.evaluate(`document.querySelectorAll('.xterm canvas').length`), 0);
-    // Re-create webgl addon to avoid side effects impacting other tests
-    await ctx.page.evaluate(`
-      window.addon = new WebglAddon(true);
-      window.term.loadAddon(window.addon);
-    `);
-  });
-
   injectSharedRendererTests(ctxWrapper);
 });

addons/xterm-addon-webgl/test/playwright.config.ts

@@ -26,7 +26,7 @@ const config: PlaywrightTestConfig = {
   ],
   reporter: 'list',
   webServer: {
-    command: 'npm start',
+    command: 'npm run start-server-only',
     port: 3000,
     timeout: 120000,
     reuseExistingServer: !process.env.CI

bin/test_playwright.js

@@ -8,27 +8,44 @@
 const cp = require('child_process');
 const path = require('path');
 
-const configs = [
+let argv = process.argv.slice(2);
+let suiteFilter = undefined;
+while (argv.some(e => e.startsWith('--suite='))) {
+  const i = argv.findIndex(e => e.startsWith('--suite='));
+  const match = argv[i].match(/--suite=(?<suitename>.+)/)
+  suiteFilter = match?.groups?.suitename ?? undefined;
+  argv.splice(i, 1);
+}
+
+let configs = [
   { name: 'core', path: 'out-test/playwright/playwright.config.js' },
+  { name: 'xterm-addon-canvas', path: 'addons/xterm-addon-canvas/out-test/playwright.config.js' },
   { name: 'xterm-addon-webgl', path: 'addons/xterm-addon-webgl/out-test/playwright.config.js' }
 ];
 
+if (suiteFilter) {
+  configs = configs.filter(e => e.name === suiteFilter);
+}
+
 function npmBinScript(script) {
   return path.resolve(__dirname, `../node_modules/.bin/` + (process.platform === 'win32' ?
     `${script}.cmd` : script));
 }
 
-for (const config of configs) {
-  const command = npmBinScript('playwright');
-  const args = ['test', '-c', config.path, ...process.argv.slice(2)];
-  console.log(`Running suite \x1b[1;34m${config.name}...\x1b[0m`);
-  console.log(`\n\x1b[32m${command}\x1b[0m`, args);
-  const run = cp.spawnSync(command, args, {
-      cwd: path.resolve(__dirname, '..'),
-      stdio: 'inherit'
+async function run() {
+  for (const config of configs) {
+    const command = npmBinScript('playwright');
+    const args = ['test', '-c', config.path, ...argv.slice(2)];
+    console.log(`Running suite \x1b[1;34m${config.name}...\x1b[0m`);
+    console.log(`\n\x1b[32m${command}\x1b[0m`, args);
+    const run = cp.spawnSync(command, args, {
+        cwd: path.resolve(__dirname, '..'),
+        stdio: 'inherit'
+      }
+    );
+    if (run.status) {
+      process.exit(run.status);
     }
-  );
-  if (run.status) {
-    process.exit(run.status);
   }
 }
+run();

demo/client.ts

@@ -48,6 +48,7 @@ export interface IWindowWithTerminal extends Window {
   term: TerminalType;
   Terminal?: typeof TerminalType; // eslint-disable-line @typescript-eslint/naming-convention
   AttachAddon?: typeof AttachAddon; // eslint-disable-line @typescript-eslint/naming-convention
+  CanvasAddon?: typeof CanvasAddon; // eslint-disable-line @typescript-eslint/naming-convention
   FitAddon?: typeof FitAddon; // eslint-disable-line @typescript-eslint/naming-convention
   ImageAddon?: typeof ImageAddonType; // eslint-disable-line @typescript-eslint/naming-convention
   SearchAddon?: typeof SearchAddon; // eslint-disable-line @typescript-eslint/naming-convention
@@ -218,6 +219,7 @@ const createNewWindowButtonHandler: () => void = () => {
 if (document.location.pathname === '/test') {
   window.Terminal = Terminal;
   window.AttachAddon = AttachAddon;
+  window.CanvasAddon = CanvasAddon;
   window.FitAddon = FitAddon;
   window.ImageAddon = ImageAddon;
   window.SearchAddon = SearchAddon;

demo/start-server-only.js

@@ -0,0 +1,10 @@
+/**
+ * Copyright (c) 2018 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+// @ts-check
+
+const startServer = require('./server.js');
+
+startServer();

package.json

@@ -28,6 +28,7 @@
     "package-headless": "webpack --config ./webpack.config.headless.js",
     "postpackage-headless": "node ./bin/package_headless.js",
     "start": "node demo/start",
+    "start-server-only": "node demo/start-server-only",
     "build-demo": "webpack --config ./demo/webpack.config.js",
     "start-debug": "node --inspect-brk demo/start",
     "lint": "eslint -c .eslintrc.json --max-warnings 0 --ext .ts src/ addons/",

test/playwright/Renderer.test.ts

@@ -5,10 +5,10 @@
 
 import { test } from '@playwright/test';
 import { ITestContext, createTestContext, openTerminal } from './TestUtils';
-import { injectSharedRendererTests } from './SharedRendererTests';
+import { ISharedRendererTestContext, injectSharedRendererTests } from './SharedRendererTests';
 
 let ctx: ITestContext;
-const ctxWrapper: { value: ITestContext } = { value: undefined } as any;
+const ctxWrapper: ISharedRendererTestContext = { value: undefined } as any;
 test.beforeAll(async ({ browser }) => {
   ctx = await createTestContext(browser);
   ctxWrapper.value = ctx;

test/playwright/SharedRendererTests.ts

@@ -8,7 +8,12 @@ import { LocatorScreenshotOptions, test } from '@playwright/test';
 import { ITheme } from 'xterm';
 import { ITestContext, MaybeAsync, pollFor } from './TestUtils';
 
-export function injectSharedRendererTests(ctx: { value: ITestContext }): void {
+export interface ISharedRendererTestContext {
+  value: ITestContext;
+  skipCanvasExceptions?: boolean;
+}
+
+export function injectSharedRendererTests(ctx: ISharedRendererTestContext): void {
   test.beforeEach(async () => {
     await ctx.value.proxy.reset();
     ctx.value.page.evaluate(`
@@ -934,7 +939,7 @@ export function injectSharedRendererTests(ctx: { value: ITestContext }): void {
     });
   });
 
-  test.describe('selectionBackground', async () => {
+  (ctx.skipCanvasExceptions ? test.describe.skip : test.describe)('selectionBackground', async () => {
     test('should resolve the inverse foreground color based on the original background color, not the selection', async () => {
       const theme: ITheme = {
         foreground: '#FF0000',
@@ -970,7 +975,7 @@ export function injectSharedRendererTests(ctx: { value: ITestContext }): void {
     });
   });
 
-  test.describe('selectionForeground', () => {
+  (ctx.skipCanvasExceptions ? test.describe.skip : test.describe)('selectionForeground', () => {
     test('transparent background inverse', async () => {
       const theme: ITheme = {
         selectionForeground: '#ff0000'
@@ -1050,7 +1055,7 @@ export function injectSharedRendererTests(ctx: { value: ITestContext }): void {
       await ctx.value.proxy.write( data);
       await pollFor(ctx.value.page, () => getCellColor(ctx.value, 1, 1), [0, 0, 255, 255]);
     });
-    test('backgroundColor should ignore inverse (only bg on decoration)', async () => {
+    (ctx.skipCanvasExceptions ? test.skip : test)('backgroundColor should ignore inverse (only bg on decoration)', async () => {
       const data = `\x1b[7m█ \x1b[0m`;
       await ctx.value.proxy.write( data);
       await ctx.value.page.evaluate(`

test/playwright/TestUtils.ts

@@ -363,7 +363,7 @@ export async function openTerminal(ctx: ITestContext, options: ITerminalOptions
   //       assertion catches this case early.
   strictEqual(await ctx.page.evaluate(`document.querySelector('#terminal-container').children.length`), 0, 'there must be no terminals on the page');
   await ctx.page.evaluate(`
-    window.term = new Terminal(${JSON.stringify({ allowProposedApi: true, ...options })});
+    window.term = new window.Terminal(${JSON.stringify({ allowProposedApi: true, ...options })});
     window.term.open(document.querySelector('#terminal-container'));
   `);
   await ctx.page.waitForSelector('.xterm-rows');