Snapshot testing in Vue - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the snapshot testing utility from Vue Test Utils.

Vue

import { [1] } from '@vue/test-utils';

Drag options to blanks, or click blank then click option'

AshallowMount

Bmount

Crender

DcreateSnapshot

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'shallowMount' instead of 'mount' will not render child components fully.

Trying to import a non-existent function like 'createSnapshot'.

The mount function is used to render the component for snapshot testing.

2fill in blank

medium

Complete the code to create a snapshot test for the HelloWorld component.

Vue

test('renders correctly', () => {
  const wrapper = mount(HelloWorld);
  expect(wrapper.[1]()).toMatchSnapshot();
});

Drag options to blanks, or click blank then click option'

Ahtml

Btext

Celement

Drender

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'text()' will not capture the full HTML structure.

Using 'render()' is not a method on the wrapper.

The html() method returns the rendered HTML string for snapshot comparison.

3fill in blank

hard

Fix the error in the snapshot test by completing the missing method call.

Vue

const wrapper = mount(MyComponent);
expect(wrapper.[1]()).toMatchSnapshot();

Drag options to blanks, or click blank then click option'

Atext

Brender

Chtml

Dsnapshot

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'text()' instead of 'html()' causes incomplete snapshot data.

Trying to call a non-existent 'snapshot()' method.

The html() method returns the component's HTML for snapshot matching.

4fill in blank

hard

Fill both blanks to create a snapshot test that mounts the component and matches its HTML output.

Vue

import { [1] } from '@vue/test-utils';

test('snapshot test', () => {
  const wrapper = [2](MyComponent);
  expect(wrapper.html()).toMatchSnapshot();
});

Drag options to blanks, or click blank then click option'

Amount

BshallowMount

Crender

DcreateSnapshot

Attempts:

3 left

💡 Hint

Common Mistakes

Using different functions for import and mounting causes errors.

Using 'shallowMount' results in incomplete snapshots.

Use mount to fully render the component for snapshot testing.

5fill in blank

hard

Fill all three blanks to write a snapshot test that imports mount, mounts the component, and asserts the snapshot.

Vue

import { [1] } from '@vue/test-utils';

const wrapper = [2](MyComponent);

expect(wrapper.[3]()).toMatchSnapshot();

Drag options to blanks, or click blank then click option'

Amount

BshallowMount

Chtml

Dtext

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'shallowMount' instead of 'mount' for full rendering.

Using 'text()' instead of 'html()' for snapshot content.

Import and use mount to render the component, then call html() to get the HTML for snapshot matching.