Merge pull request #1272 from basecamp/flavorjones/replace-karma-with-wtr

Replace Karma with `@web/test-runner`

Author: flavorjones

.github/workflows/ci.yml

@@ -38,6 +38,9 @@ jobs:
           tunnelName: ${{ env.SAUCE_TUNNEL_IDENTIFIER }}
           region: ${{ env.SAUCE_REGION }}
           proxyLocalhost: allow
+      - name: Install Playwright Browsers
+        if: ${{ env.SAUCE_ACCESS_KEY == '' }}
+        run: npx playwright install --with-deps chromium
       - run: bin/ci
       - name: Fail when generated npm changes are not checked-in
         run: |

action_text-trix/app/assets/javascripts/trix.js

@@ -43,16 +43,15 @@ Copyright © 2025 37signals, LLC
   	"@rollup/plugin-json": "^4.1.0",
   	"@rollup/plugin-node-resolve": "^13.3.0",
   	"@web/dev-server": "^0.1.34",
+  	"@web/test-runner": "^0.20.2",
+  	"@web/test-runner-playwright": "^0.11.1",
+  	"@web/test-runner-webdriver": "^0.9.0",
   	"babel-eslint": "^10.1.0",
   	chokidar: "^4.0.2",
   	concurrently: "^7.4.0",
   	eslint: "^7.32.0",
   	esm: "^3.2.25",
   	idiomorph: "^0.7.3",
-  	karma: "6.4.1",
-  	"karma-chrome-launcher": "3.2.0",
-  	"karma-qunit": "^4.1.2",
-  	"karma-sauce-launcher": "^4.3.6",
   	qunit: "2.19.1",
   	rangy: "^1.3.0",
   	rollup: "^2.56.3",
@@ -74,7 +73,8 @@ Copyright © 2025 37signals, LLC
   	watch: "rollup -c -w",
   	lint: "eslint .",
   	pretest: "yarn run lint && yarn run build",
-  	test: "karma start",
+  	test: "web-test-runner",
+  	"test:watch": "web-test-runner --watch",
   	version: "yarn build && git add action_text-trix",
   	prerelease: "yarn version && yarn test",
   	"release-npm": "npm adduser && npm publish",

karma.conf.js

@@ -34,16 +34,15 @@
     "@rollup/plugin-json": "^4.1.0",
     "@rollup/plugin-node-resolve": "^13.3.0",
     "@web/dev-server": "^0.1.34",
+    "@web/test-runner": "^0.20.2",
+    "@web/test-runner-playwright": "^0.11.1",
+    "@web/test-runner-webdriver": "^0.9.0",
     "babel-eslint": "^10.1.0",
     "chokidar": "^4.0.2",
     "concurrently": "^7.4.0",
     "eslint": "^7.32.0",
     "esm": "^3.2.25",
     "idiomorph": "^0.7.3",
-    "karma": "6.4.1",
-    "karma-chrome-launcher": "3.2.0",
-    "karma-qunit": "^4.1.2",
-    "karma-sauce-launcher": "^4.3.6",
     "qunit": "2.19.1",
     "rangy": "^1.3.0",
     "rollup": "^2.56.3",
@@ -65,7 +64,8 @@
     "watch": "rollup -c -w",
     "lint": "eslint .",
     "pretest": "yarn run lint && yarn run build",
-    "test": "karma start",
+    "test": "web-test-runner",
+    "test:watch": "web-test-runner --watch",
     "version": "yarn build && git add action_text-trix",
     "prerelease": "yarn version && yarn test",
     "release-npm": "npm adduser && npm publish",