[IMP] devtools: introduce basic testing infrastructure

.gitignore

@@ -1,5 +1,7 @@
 /node_modules
 /dist
+# compiled devtools files
+/tools/devtools/assets/*.js
 
 npm-debug.log
 

jest.config.json

@@ -0,0 +1,22 @@
+{
+    "testEnvironment": "jsdom",
+  "roots": [
+    "<rootDir>/tests"
+  ],
+  "setupFiles": [
+    "./tests/mocks/mockEventTarget.js"
+  ],
+  "transform": {
+    "^.+\\.ts?$": "ts-jest"
+  },
+  "verbose": false,
+  "testRegex": "(/tests/.*(test|spec))\\.ts?$",
+  "moduleFileExtensions": [
+    "ts",
+    "tsx",
+    "js",
+    "jsx",
+    "json",
+    "node"
+  ]
+}

package.json

@@ -21,15 +21,19 @@
     "dev:devtools-firefox": "npm run build:devtools -- --config-browser=firefox",
     "build:devtools-chrome": "npm run dev:devtools-chrome -- --config-env=production",
     "build:devtools-firefox": "npm run dev:devtools-firefox -- --config-env=production",
-    "test": "jest",
-    "test:debug": "node --inspect-brk node_modules/.bin/jest --runInBand --watch --testTimeout=5000000",
-    "test:watch": "jest --watch",
+    "test-owl": "jest",
+    "test-owl:debug": "node --inspect-brk node_modules/.bin/jest --runInBand --watch --testTimeout=5000000",
+    "test-owl:watch": "jest --watch",
+    "test-devtools": "npm run build:devtools-chrome && jest --config=tools/devtools/tests/jest.config.json",
+    "test-devtools:debug": "npm run build:devtools-chrome && node --inspect-brk node_modules/.bin/jest --config=tools/devtools/tests/jest.config.json --runInBand --watch --testTimeout=5000000",
+    "test-devtools:watch": "jest --config=tools/devtools/tests/jest.config.json --watch",
+    "test": "npm run test-owl && npm run test-devtools",
     "playground:serve": "python3 tools/playground_server.py || python tools/playground_server.py",
     "playground": "npm run build && npm run playground:serve",
     "preplayground:watch": "npm run build",
     "playground:watch": "npm-run-all  --parallel playground:serve \"build:* -- --watch\"",
     "prettier": "prettier {src/*.ts,src/**/*.ts,tests/*.ts,tests/**/*.ts,doc/*.md,doc/**/*.md,tools/devtools/**/*.js} --write",
-    "check-formatting": "prettier {src/*.ts,src/**/*.ts,tests/*.ts,tests/**/*.ts,doc/*.md,doc/**/*.md,tools/devtools/**/*.js} --check",
+    "check-formatting": "npm run prettier -- --check",
     "lint": "eslint src/**/*.ts tests/**/*.ts",
     "release": "node tools/release.js",
     "compile_templates": "node tools/compile_xml.js"
@@ -55,13 +59,13 @@
     "git-rev-sync": "^3.0.2",
     "github-api": "^3.3.0",
     "jest": "^27.1.0",
+    "jest-chrome": "^0.8.0",
     "jest-diff": "^27.3.1",
     "jest-environment-jsdom": "^27.1.0",
     "npm-run-all": "^4.1.5",
     "prettier": "2.4.1",
     "rollup": "^2.56.3",
     "rollup-plugin-copy": "^3.3.0",
-    "rollup-plugin-delete": "^2.0.0",
     "rollup-plugin-dts": "^4.2.2",
     "rollup-plugin-execute": "^1.1.1",
     "rollup-plugin-string": "^3.0.0",
@@ -71,29 +75,6 @@
     "ts-jest": "^27.0.5",
     "typescript": "4.5.2"
   },
-  "jest": {
-    "testEnvironment": "jsdom",
-    "roots": [
-      "<rootDir>/src",
-      "<rootDir>/tests"
-    ],
-    "setupFiles": [
-      "./tests/mocks/mockEventTarget.js"
-    ],
-    "transform": {
-      "^.+\\.ts?$": "ts-jest"
-    },
-    "verbose": false,
-    "testRegex": "(/tests/.*(test|spec))\\.ts?$",
-    "moduleFileExtensions": [
-      "ts",
-      "tsx",
-      "js",
-      "jsx",
-      "json",
-      "node"
-    ]
-  },
   "prettier": {
     "printWidth": 100,
     "endOfLine": "auto"

tools/devtools/rollup.config.js

@@ -1,7 +1,6 @@
 import terser from "rollup-plugin-terser";
 import copy from "rollup-plugin-copy";
 import execute from "rollup-plugin-execute";
-import del from "rollup-plugin-delete";
 import { string } from "rollup-plugin-string";
 
 const isWindows = process.platform === "win32";
@@ -37,12 +36,12 @@ export default ({ "config-browser": browser, "config-env": env }) => {
     },
   ];
 
-  function generateRule(input, format = "esm") {
+  function generateRule(input, plugins = []) {
     return {
-      input: input,
+      input,
       output: [
         {
-          format: format,
+          format: "esm",
           file: input.replace("tools/devtools/src", "dist/devtools"),
         },
       ],
@@ -51,14 +50,14 @@ export default ({ "config-browser": browser, "config-env": env }) => {
           include: "**/page_scripts/owl_devtools_global_hook.js",
         }),
         isProduction && terser.terser(),
+        ...plugins,
       ],
     };
   }
   const commands = new Array(2);
   commands[1] = isWindows
     ? "npm run compile_templates -- tools\\devtools\\src && move templates.js tools\\devtools\\assets\\templates.js"
     : "npm run compile_templates -- tools/devtools/src && mv templates.js tools/devtools/assets/templates.js";
-  const firstRule = generateRule("tools/devtools/src/page_scripts/owl_devtools_global_hook.js");
   if (isProduction) {
     commands[0] = isWindows
       ? "npm run build && copy dist\\owl.iife.js tools\\devtools\\assets\\owl.js && npm run build:compiler"
@@ -68,19 +67,16 @@ export default ({ "config-browser": browser, "config-env": env }) => {
       ? "copy dist\\owl.iife.js tools\\devtools\\assets\\owl.js"
       : "cp dist/owl.iife.js tools/devtools/assets/owl.js";
   }
-  firstRule.plugins.push(execute(commands, true));
-  const secondRule = generateRule("tools/devtools/src/content.js");
-  secondRule.plugins.push(copy({ targets: filesToMove }));
-  const lastRule = generateRule("tools/devtools/src/background.js");
-  lastRule.plugins.push(del({ targets: "tools/devtools/assets/*.js" }));
 
   return [
-    firstRule,
-    secondRule,
+    generateRule("tools/devtools/src/page_scripts/owl_devtools_global_hook.js", [
+      execute(commands, true),
+    ]),
+    generateRule("tools/devtools/src/content.js", [copy({ targets: filesToMove })]),
     generateRule("tools/devtools/src/devtools_app/devtools.js"),
     generateRule("tools/devtools/src/utils.js"),
     generateRule("tools/devtools/src/devtools_app/devtools_panel.js"),
     generateRule("tools/devtools/src/popup_app/popup.js"),
-    lastRule,
+    generateRule("tools/devtools/src/background.js"),
   ];
 };

tools/devtools/src/devtools_app/devtools_panel.js

@@ -3,8 +3,10 @@
 import { DevtoolsWindow } from "./devtools_window/devtools_window";
 const { mount } = owl;
 import { templates } from "../../assets/templates.js";
+import { createStore } from "./store/store";
 
 for (const template in templates) {
   owl.App.registerTemplate(template, templates[template]);
 }
+createStore();
 mount(DevtoolsWindow, document.body, { dev: true });

tools/devtools/src/devtools_app/store/store.js

@@ -625,9 +625,7 @@ export function useStore() {
   return useState(store);
 }
 
-init();
-
-async function init() {
+export async function createStore() {
   store.devtoolsId = await getTabURL();
 
   evalFunctionInWindow("initDevtools", []);