expt

Author: ianthomas23

ui-tests/tests/command.spec.ts

@@ -5,7 +5,8 @@ import {
   INITIAL_WAIT_MS,
   TERMINAL_SELECTOR,
   WAIT_MS,
-  inputLine
+  inputLine,
+  fileContent
 } from './utils/misc';
 
 // Long wait such as for starting/stopping a complex WebAssembly command.
@@ -60,6 +61,29 @@ test.describe('individual command', () => {
         expect(outputFile?.content).toEqual('mnopqrst\n');
       });
 
+      test(`EXPT should create new file using ${stdinOption} for stdin`, async ({
+        page
+      }) => {
+        await inputLine(page, `cockle-config stdin ${stdinOption}`);
+        await page.waitForTimeout(WAIT_MS);
+
+        const filename = 'a.txt'
+
+        await inputLine(page, `nano ${filename}`);
+        await page.waitForTimeout(LONG_WAIT_MS);
+
+        // Insert new characters.
+        await inputLine(page, 'mnopqrst', false);
+
+        // Save and quit.
+        await page.keyboard.press('Control+x');
+        await inputLine(page, 'y', true);
+        await page.waitForTimeout(LONG_WAIT_MS);
+
+        const content = await fileContent(page, filename);
+        expect(content).toEqual('mnopqrst\n');
+      });
+
       test(`should delete data from file using ${stdinOption} for stdin`, async ({
         page
       }) => {

ui-tests/tests/utils/misc.ts

@@ -1,4 +1,5 @@
 import { Buffer } from 'node:buffer';
+import { expect } from '@jupyterlab/galata';
 import type { Page } from '@playwright/test';
 
 export const INITIAL_WAIT_MS = 300;
@@ -24,3 +25,33 @@ export async function inputLine(
     await page.waitForTimeout(20);
   }
 }
+
+async function refreshFilebrowser({ page }): Promise<void> {
+  try {
+    await page.filebrowser.refresh();
+  } catch (e) {
+    // no-op
+  }
+}
+
+export async function fileContent(page: any, filename: string): Promise<string | undefined> {
+  await refreshFilebrowser({ page });
+  expect(await page.filebrowser.isFileListedInBrowser(filename)).toBeTruthy();
+  await page.filebrowser.open(filename);
+
+  const clickMenuItem = async (command): Promise<void> => {
+    await page.menu.openContextMenuLocator(
+      `.jp-DirListing-content >> text="${filename}"`,
+    );
+    await page.getByText(command).click();
+  };
+
+  const [newTab] = await Promise.all([
+    page.waitForEvent('popup'),
+    clickMenuItem('Open in New Browser Tab'),
+  ]);
+
+  await newTab.waitForLoadState('networkidle');
+  const content = await newTab.textContent('body');
+  return content;
+}