test: add base test for min-compiler-version at least.

Author: zoobestik

tests/min-version.test.ts

@@ -0,0 +1,57 @@
+import { expect, test } from '@playwright/test';
+import { gotoHtmlWidget } from './utlis/server/playground';
+import { prepareNetwork, printlnCode } from './utlis';
+import { mockRunRequest, waitRunRequest } from './utlis/mocks/compiler';
+import { runButton } from './utlis/interactions';
+import {
+  LOADER_SELECTOR,
+  RESULT_SELECTOR,
+  VERSION_SELECTOR,
+  WIDGET_SELECTOR,
+} from './utlis/selectors';
+
+test.describe('Minimum compiler version', () => {
+  test.beforeEach(async ({ page, baseURL }) => {
+    await prepareNetwork(page, baseURL); // offline mode
+  });
+
+  test('with future release', async ({ page }) => {
+    await gotoHtmlWidget(
+      page,
+      { selector: 'code' },
+      /* language=html */ `
+        <code data-min-compiler-version='2.0.0'>${printlnCode(
+          'Hello, world!',
+        )}</code>
+      `,
+    );
+
+    const editor = page.locator(WIDGET_SELECTOR);
+    await expect(editor).toHaveCount(1); // playground loaded
+    await expect(page.locator('code')).not.toBeVisible(); // original node hided
+    await expect(editor.locator(VERSION_SELECTOR)).toHaveText(
+      'Running on v.2.0.0-alpha.3', // latest version marker
+    );
+
+    const resolveRun = await mockRunRequest(page);
+
+    const [request] = await Promise.all([
+      waitRunRequest(page),
+      runButton(editor),
+    ]);
+
+    expect(request.url()).toContain('2.0.0-alpha.3');
+
+    await expect(editor.locator(LOADER_SELECTOR)).toBeVisible();
+
+    resolveRun({
+      json: Object.freeze({
+        errors: { 'File.kt': [] },
+        exception: null,
+        text: '<outStream>run code - done!\n</outStream>',
+      }),
+    });
+
+    await expect(editor.locator(RESULT_SELECTOR)).toBeVisible();
+  });
+});

tests/utlis/mocks/versions.json

@@ -23,5 +23,8 @@
   {
     "version": "1.8.21",
     "latestStable": true
+  },
+  {
+    "version": "2.0.0-alpha.3"
   }
 ]