chore(e2e): test eslint warnings

e2e/note_types/code.spec.ts

@@ -0,0 +1,29 @@
+import { test, expect, Page } from "@playwright/test";
+import App from "../support/app";
+
+test("Displays lint warnings for backend script", async ({ page }) => {
+    const app = new App(page);
+    await app.goto();
+    await app.closeAllTabs();
+    await app.goToNoteInNewTab("Backend script with lint warning");
+
+    const codeEditor = app.currentNoteSplit.locator(".CodeMirror");
+    expect(await app.currentNoteSplit.locator(".note-title").inputValue()).toBe("Backend script with lint warnings");
+
+    // Expect two warning signs in the gutter.
+    expect(codeEditor.locator(".CodeMirror-gutter-wrapper .CodeMirror-lint-marker-warning")).toHaveCount(2);
+
+    // Hover over hello
+    await codeEditor.getByText("hello").first().hover();
+    await expectTooltip(page, "'hello' is defined but never used.");
+
+    // Hover over world
+    await codeEditor.getByText("world").first().hover();
+    await expectTooltip(page, "'world' is defined but never used.");
+});
+
+async function expectTooltip(page: Page, tooltip: string) {
+    await expect(page.locator(".CodeMirror-lint-tooltip:visible", {
+        "hasText": tooltip
+    })).toBeVisible();
+}

e2e/support/app.ts

@@ -5,11 +5,13 @@ export default class App {
 
     readonly tabBar: Locator;
     readonly noteTree: Locator;
+    readonly currentNoteSplit: Locator;
 
     constructor(page: Page) {
         this.page = page;
         this.tabBar = page.locator(".tab-row-widget-container");
         this.noteTree = page.locator(".tree-wrapper");
+        this.currentNoteSplit = page.locator(".note-split:not(.hidden-ext)")
     }
 
     async goto() {
@@ -20,6 +22,13 @@ export default class App {
             .toContainText("Trilium Integration Test");
     }
 
+    async goToNoteInNewTab(noteTitle: string) {
+        const autocomplete = this.currentNoteSplit.locator(".note-autocomplete");
+        await autocomplete.fill(noteTitle);
+        await autocomplete.press("ArrowDown");
+        await autocomplete.press("Enter");
+    }
+
     getTab(tabIndex: number) {
         return this.tabBar.locator(".note-tab-wrapper").nth(tabIndex);
     }