Electron test (regression): select all in code editor does not actually select all, just what is visiable (#3540)

* select all in code editor does not actually select all, just what is visible #3175

* whops

* fix test for linux

.github/workflows/playwright.yml

@@ -346,7 +346,7 @@ jobs:
       run: yarn build:wasm
     - name: build electron
       shell: bash
-      run: yarn electron:package
+      run: yarn tron:package
     - uses: actions/download-artifact@v4
       if: ${{ !cancelled() && (success() || failure()) }}
       continue-on-error: true

README.md

@@ -101,7 +101,7 @@ This will start the application and hot-reload on changed.
 
 Devtools can be opened with the usual Cmd/Ctrl-Shift-I.
 
-To build, run `yarn electron:package`.
+To build, run `yarn tron:package`.
 
 ## Checking out commits / Bisecting
 

e2e/playwright/projects.spec.ts

@@ -1112,6 +1112,73 @@ test(
   }
 )
 
+test(
+  'select all in code editor does not actually select all, just what is visible (regression)',
+  { tag: '@electron' },
+  async ({ browserName }, testInfo) => {
+    const { electronApp, page } = await setupElectron({
+      testInfo,
+      folderSetupFn: async (dir) => {
+        // src/wasm-lib/tests/executor/inputs/mike_stress_test.kcl
+        const name = 'mike_stress_test'
+        await fsp.mkdir(`${dir}/${name}`, { recursive: true })
+        await fsp.copyFile(
+          `src/wasm-lib/tests/executor/inputs/${name}.kcl`,
+          `${dir}/${name}/main.kcl`
+        )
+      },
+    })
+    const u = await getUtils(page)
+    await page.setViewportSize({ width: 1200, height: 500 })
+
+    page.on('console', console.log)
+
+    await page.getByText('mike_stress_test').click()
+
+    const modifier =
+      process.platform === 'win32' || process.platform === 'linux'
+        ? 'Control'
+        : 'Meta'
+
+    await test.step('select all in code editor, check its length', async () => {
+      await u.codeLocator.click()
+      // expect u.codeLocator to have some text
+      await expect(u.codeLocator).toContainText('line(')
+      await page.keyboard.down(modifier)
+      await page.keyboard.press('KeyA')
+      await page.keyboard.up(modifier)
+
+      // check the length of the selected text
+      const selectedText = await page.evaluate(() => {
+        const selection = window.getSelection()
+        return selection ? selection.toString() : ''
+      })
+      // even though if the user copied the text into their clipboard they would get the full text
+      // it seems that the selection is limited to what is visible
+      // we just want to check we did select something, and later we've verify it's empty
+      expect(selectedText.length).toBeGreaterThan(10)
+    })
+
+    await test.step('delete all the text, select again and verify there are no characters left', async () => {
+      await page.keyboard.press('Backspace')
+
+      await page.keyboard.down(modifier)
+      await page.keyboard.press('KeyA')
+      await page.keyboard.up(modifier)
+
+      // check the length of the selected text
+      const selectedText = await page.evaluate(() => {
+        const selection = window.getSelection()
+        return selection ? selection.toString() : ''
+      })
+      expect(selectedText.length).toBe(0)
+      await expect(u.codeLocator).toHaveText('')
+    })
+
+    await electronApp.close()
+  }
+)
+
 test(
   'Settings persist across restarts',
   { tag: '@electron' },

package.json

@@ -92,11 +92,11 @@
     "xstate:typegen": "yarn xstate typegen \"src/**/*.ts?(x)\"",
     "make:dev": "make dev",
     "generate:machine-api": "npx openapi-typescript ./openapi/machine-api.json -o src/lib/machine-api.d.ts",
-    "electron:start": "electron-forge start",
-    "electron:package": "electron-forge package",
-    "electron:make": "electron-forge make",
-    "electron:publish": "electron-forge publish",
-    "electron:e2e:local": "NODE_ENV=development yarn playwright test --config=playwright.electron.config.ts --grep=@electron"
+    "tron:start": "electron-forge start",
+    "tron:package": "electron-forge package",
+    "tron:make": "electron-forge make",
+    "tron:publish": "electron-forge publish",
+    "tron:test": "NODE_ENV=development yarn playwright test --config=playwright.electron.config.ts --grep=@electron"
   },
   "prettier": {
     "trailingComma": "es5",