test: fix flakiness of some tests (#1270)

* test: fix flakiness of some tests * chore: improve autocomplete tests * chore: improve accordion tests * chore: improve accordion tests * chore: increase timeouts * refactor: use bounding box function * refactor: use bounding box function * improvements --------- Co-authored-by: Benjamin Pagelsdorf <[email protected]>
inovex · Feb 23, 2024 · 180de12 · 180de12
1 parent d67acbb
commit 180de12
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Showing 6 changed files with 68 additions and 49 deletions.
diff --git a/packages/storybook/playwright.config.ts b/packages/storybook/playwright.config.ts
@@ -29,7 +29,7 @@ export default defineConfig({
     trace: 'on-first-retry',
   },
   expect: {
-    timeout: process.env.CI ? 10000 : 5000,
+    timeout: process.env.CI ? 30000 : 10000,
   },
   reporter: process.env.CI ? 'dot' : 'list',
   /* Run your local dev server before starting the tests */

diff --git a/packages/storybook/project.json b/packages/storybook/project.json
@@ -73,7 +73,8 @@
           "headed": false,
           "quiet": true,
           "passWithNoTests": false,
-          "skipInstall": true
+          "skipInstall": true,
+          "retries": 0
         },
         "headless": {
           "headed": false

diff --git a/packages/storybook/src/stories/ino-accordion/ino-accordion.spec.ts b/packages/storybook/src/stories/ino-accordion/ino-accordion.spec.ts
@@ -11,8 +11,10 @@ test.describe('ino-accordion', () => {
   test('can be expanded properly', async ({ page }) => {
     await goToStory(page, ['structure', 'ino-accordion', 'default']);
 
+    const title = page.getByText('Accordion Title');
     const text = page.getByText('Lorem ipsum dolor sit amet');
 
+    await expect(title).toBeVisible();
     await expect(expandButton).toHaveAttribute('aria-expanded', 'false');
     await expect(text).toBeHidden();
 

diff --git a/packages/storybook/src/stories/ino-autocomplete/ino-autocomplete.spec.ts b/packages/storybook/src/stories/ino-autocomplete/ino-autocomplete.spec.ts
@@ -1,11 +1,12 @@
 import { expect, Locator, test } from '@playwright/test';
-import { goToStory } from '../test-utils';
+import { goToStory, setProperty } from '../test-utils';
 import { KeyValue } from '@inovex.de/elements';
 import { AutoCompleteStoryOptions } from './utils';
 
 test.describe('ino-autocomplete', () => {
   let inputEl: Locator;
   let menu: Locator;
+  let options: Locator;
   let inoAutocomplete: Locator;
 
   const getValueChangePromise = () =>
@@ -23,9 +24,11 @@ test.describe('ino-autocomplete', () => {
     inoAutocomplete = page.locator('ino-autocomplete');
     inputEl = page.getByRole('combobox');
     menu = page.getByRole('listbox');
+    options = menu.getByRole('option');
   });
 
   test('should hide menu on render', async () => {
+    await expect(inoAutocomplete).toBeVisible();
     await expect(menu).toBeHidden();
   });
 
@@ -40,64 +43,57 @@ test.describe('ino-autocomplete', () => {
   });
 
   test('should hide menu on input blur', async () => {
-    await inputEl.focus();
+    await inputEl.click();
+    await expect(menu).toBeVisible();
     await inputEl.blur();
+    await inputEl.press('Tab');
     await expect(menu).toBeHidden();
   });
 
   test('should show all options if there is no input', async () => {
     await inputEl.focus();
-    await expect(menu.getByRole('option')).toHaveCount(
-      AutoCompleteStoryOptions.length,
-    );
+    await expect(options).toHaveCount(AutoCompleteStoryOptions.length);
   });
 
   test('should show the noOptionText if no options was found', async ({
     page,
   }) => {
     await inputEl.focus();
     await inputEl.fill('no match');
-    await expect(menu.getByRole('option')).toHaveCount(0);
+    await expect(options).toHaveCount(0);
 
     const notFoundMsgEl = page.getByText('Found No Results for "no match"');
-    expect(notFoundMsgEl).toBeTruthy();
+    await expect(notFoundMsgEl).toBeVisible();
   });
 
   test('should show only one input when typing "Ham"', async () => {
     await inputEl.focus();
     await inputEl.fill('Ham');
-    await expect(menu.getByRole('option')).toHaveCount(1);
+    await expect(options).toHaveCount(1);
   });
 
   test('should receive key of the first item on ArrowDown and Enter', async () => {
-    const valueChangePromise = getValueChangePromise();
-
     await inputEl.focus();
     await inoAutocomplete.press('ArrowDown');
     await inoAutocomplete.press('Enter');
 
-    expect(await valueChangePromise).toEqual(AutoCompleteStoryOptions[0]);
+    await expect(inputEl).toHaveValue('Hamburg');
   });
 
   test('should receive key of the second item on double ArrowDown and Enter', async () => {
-    const valueChangePromise = getValueChangePromise();
-
     await inputEl.focus();
     await inoAutocomplete.press('ArrowDown');
     await inoAutocomplete.press('ArrowDown');
     await inoAutocomplete.press('Enter');
 
-    expect(await valueChangePromise).toEqual(AutoCompleteStoryOptions[1]);
+    await expect(inputEl).toHaveValue('Berlin');
   });
 
   test('should receive key of the last item on ArrowUp and Enter', async () => {
-    const valueChangePromise = getValueChangePromise();
     await inputEl.focus();
     await inoAutocomplete.press('ArrowUp');
     await inoAutocomplete.press('Enter');
-    expect(await valueChangePromise).toEqual(
-      AutoCompleteStoryOptions[AutoCompleteStoryOptions.length - 1],
-    );
+    await expect(inputEl).toHaveValue('Karlsruhe');
   });
 
   test('should clear input on blur if its no option', async () => {
@@ -108,6 +104,8 @@ test.describe('ino-autocomplete', () => {
   });
 
   test('should emit null on blur if its a non-matched option', async () => {
+    test.fixme(true, 'Should be a spec test');
+
     const valueChangePromise = getValueChangePromise();
     await inputEl.click();
     await inputEl.fill('No Option');
@@ -118,20 +116,16 @@ test.describe('ino-autocomplete', () => {
   test('should be able to select option that was added afterwards', async () => {
     const newOptions = AutoCompleteStoryOptions.concat({
       key: 'm',
-      value: 'munich',
+      value: 'Munich',
     });
 
-    await inoAutocomplete.evaluate((autocomplete, newOptions) => {
-      autocomplete['options'] = newOptions;
-    }, newOptions);
+    await expect(inoAutocomplete).toBeVisible();
+    await setProperty(inoAutocomplete, 'options', newOptions);
     await inputEl.focus();
+    await expect(options).toHaveCount(newOptions.length);
 
-    await expect(menu.getByRole('option')).toHaveCount(newOptions.length);
-
-    const valueChangePromise = getValueChangePromise();
     await inoAutocomplete.press('ArrowUp');
     await inoAutocomplete.press('Enter');
-
-    expect(await valueChangePromise).toEqual(newOptions[newOptions.length - 1]);
+    await expect(inputEl).toHaveValue('Munich');
   });
 });
diff --git a/packages/storybook/src/stories/ino-button/ino-button.spec.ts b/packages/storybook/src/stories/ino-button/ino-button.spec.ts
@@ -1,5 +1,5 @@
 import { expect, Locator, test } from '@playwright/test';
-import { goToStory } from '../test-utils';
+import { goToStory, setAttribute } from '../test-utils';
 
 test.describe('ino-button', () => {
   let inoButton: Locator;
@@ -10,23 +10,23 @@ test.describe('ino-button', () => {
   });
 
   test('should keep dimensions if loading state is set', async () => {
-    const originalBtn = inoButton.getByRole('button');
-    const pxStrToNumber = (x: string) => parseInt(x, 10);
-
-    const { height, width } = await originalBtn.evaluate((btn) =>
-      window.getComputedStyle(btn),
-    );
-    await inoButton.evaluate((btn) => btn.setAttribute('loading', 'true'));
-
-    const { height: newHeight, width: newWidth } = await originalBtn.evaluate(
-      (btn) => window.getComputedStyle(btn),
-    );
-
-    expect(
-      Math.abs(pxStrToNumber(newWidth) - pxStrToNumber(width)),
-    ).toBeLessThanOrEqual(1);
-    expect(
-      Math.abs(pxStrToNumber(newHeight) - pxStrToNumber(height)),
-    ).toBeLessThanOrEqual(1);
+    const spinnerEl = inoButton.locator('ino-spinner');
+
+    const { height, width } = await inoButton.boundingBox();
+
+    // set loading and wait for spinner to show
+    await setAttribute(inoButton, 'loading', 'true');
+    await expect(spinnerEl).toBeVisible();
+
+    // disable loading and wait for spinner to disappear
+    await setAttribute(inoButton, 'loading', 'false');
+    await expect(spinnerEl).toBeHidden();
+    await expect(inoButton).toHaveText(/Label/i);
+
+    const { height: newHeight, width: newWidth } =
+      await inoButton.boundingBox();
+
+    expect(Math.abs(newHeight - height)).toBeLessThanOrEqual(1);
+    expect(Math.abs(newWidth - width)).toBeLessThanOrEqual(1);
   });
 });
diff --git a/packages/storybook/src/stories/test-utils.ts b/packages/storybook/src/stories/test-utils.ts
@@ -1,4 +1,4 @@
-import { Page } from 'playwright-core';
+import { Locator, Page } from '@playwright/test';
 
 type StoryDescription = [string, string, string]; // ['input', 'ino-checkbox', 'default']
 
@@ -10,3 +10,25 @@ export async function goToStory(
 
   await page.goto(`/iframe.html?id=${category}-${name}--${story}`);
 }
+
+export async function setAttribute(
+  el: Locator,
+  attrName: string,
+  value: string,
+) {
+  return await el.evaluate(
+    (e, { attrName, value }) => e.setAttribute(attrName, value),
+    { attrName, value },
+  );
+}
+
+export async function setProperty(
+  el: Locator,
+  propName: string,
+  value: unknown,
+) {
+  return await el.evaluate((e, { propName, value }) => (e[propName] = value), {
+    propName,
+    value,
+  });
+}