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https://github.com/babybeet/angular-testing-kit
A set of convenient utilities to make Angular testing with Jasmine and Karma simpler.
https://github.com/babybeet/angular-testing-kit
angular-component-testing angular-jasmine-testing angular-testing angular-testing-kit angular-unit-testing
Last synced: 11 days ago
JSON representation
A set of convenient utilities to make Angular testing with Jasmine and Karma simpler.
- Host: GitHub
- URL: https://github.com/babybeet/angular-testing-kit
- Owner: lazycuh
- License: mit
- Created: 2023-11-17T06:36:49.000Z (11 months ago)
- Default Branch: main
- Last Pushed: 2024-07-17T06:07:51.000Z (3 months ago)
- Last Synced: 2024-07-17T07:01:17.729Z (3 months ago)
- Topics: angular-component-testing, angular-jasmine-testing, angular-testing, angular-testing-kit, angular-unit-testing
- Language: TypeScript
- Homepage: https://www.npmjs.com/package/@babybeet/angular-testing-kit
- Size: 502 KB
- Stars: 1
- Watchers: 2
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
Awesome Lists containing this project
- fucking-awesome-angular - angular-testing-kit - A set of convenient utilities to make Angular testing with Jasmine and Karma simpler. (Table of contents / Angular)
- fucking-awesome-angular - angular-testing-kit - A set of convenient utilities to make Angular testing with Jasmine and Karma simpler. (Table of contents / Angular)
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README
# angular-testing-kit [](https://app.circleci.com/pipelines/github/lazycuh/angular-testing-kit?branch=main)
A set of convenient utilities to make Angular testing with Jasmine and Karma simpler.
## Table of contents
- [Angular version compatibility](#angular-version-compatibility)
- [Installation](#installation)
- [`assertThat()`](#assertthat)
- [`.doesNotExist()`](#doesnotexist)
- [Example](#example)
- [`.exists()`](#exists)
- [Example](#example-1)
- [`.hasInnerHtml()`](#hasinnerhtml)
- [Example](#example-2)
- [`.hasTextContent()`](#hastextcontent)
- [Example](#example-3)
- [`.hasTextContentMatching()`](#hastextcontentmatching)
- [Example:](#example)
- [`delayBy()`](#delayby)
- [Example](#example-4)
- [`extractTextContent()`](#extracttextcontent)
- [Example](#example-5)
- [`findElementBySelector()`](#findelementbyselector)
- [Example](#example-6)
- [`fireEvent()`](#fireevent)
- [Example](#example-7)
- [`getElementBySelector()`](#getelementbyselector)
- [Example](#example-8)
## Angular version compatibility
- 16+
## Installation
- `npm`
```
npm i -S @lazycuh/angular-testing-kit
```
- `pnpm`
```
pnpm i -S @lazycuh/angular-testing-kit
```
- `yarn`
```
yarn add @lazycuh/angular-testing-kit
```
## `assertThat()`
This assertion function accepts either a string or a [`DebugElement`](https://angular.io/api/core/DebugElement), it returns an assertion object that can be used to check for different conditions. The returned assertion object has the following methods:
### `.doesNotExist()`
Will pass if no element with the provided class name exists in `document.body`.
#### Example
```ts
assertThat('.hello-world').doesNotExist();
```
### `.exists()`
Will pass if an element with the provided class name exists in `document.body`.
#### Example
```ts
assertThat('.hello-world').exists();
```
### `.hasInnerHtml()`
Will pass if an element with the provided class name has the provided inner HTML string.
#### Example
```ts
assertThat('.hello-world').hasInnerHtml('Hello World');
```
### `.hasTextContent()`
Will pass if an element with the provided class name has the provided string as its text content.
#### Example
```ts
assertThat('.hello-world').hasTextContent('Hello World');
```
### `.hasTextContentMatching()`
Will pass if an element with the provided class name whose text content matches the provided value. This function also accepts a [`RegExp`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp) to perform custom matching.
#### Example:
```ts
assertThat('.hello-world').hasTextContentMatching(/hello\s+world/i);
```
## `delayBy()`
Returns a promise that will resolve after the provided milliseconds. Useful for when you need to wait for some asynchronous process to complete before proceeding.
### Example
```ts
await delayBy(500);
```
## `extractTextContent()`
Returns the text content of the element matched by the provided selector. It will throw an error if the matched element
is a `document` or `doctype` node because these nodes' `textContent` will be `null`. If no element is matched, then an error will be thrown.
### Example
```ts
expect(extractTextContent('.hello-world')).toEqual('Hello World');
```
## `findElementBySelector()`
Returns the element matched by the provided selector. If nothing is matched, `null` is returned.
### Example
```ts
expect(findElementBySelector('.hello-world')).not.toBeNull();
```
## `fireEvent()`
Dispatch the given `eventType` DOM event on the target element matched by the provided selector.
The selector argument accepts 3 different types of value:
- If it's a string, then it's treated as an HTML selector by which to find the target element
to fire the event on. If no element is found for the provided selector,
then an error will be thrown.
- If it's an [`EventTarget`](https://developer.mozilla.org/en-US/docs/Web/API/EventTarget) such as [`Element`](https://developer.mozilla.org/en-US/docs/Web/API/Element) or [`window`](https://developer.mozilla.org/en-US/docs/Web/API/Window), then the event is fired directly on it.
- If it's a [`DebugElement`](https://angular.io/api/core/DebugElement), then its native element will be dispatched the event on.
### Example
```ts
fireEvent('.hello-world', 'keyup', { key: 'Enter' });
```
## `getElementBySelector()`
Returns the element matched by the provided selector. If nothing is matched, an error is thrown.
### Example
```ts
expect(() => getElementBySelector('.hello-world')).not.toThrow();
```