ng-mocks
Angular
ng-mocks | Angular | |
---|---|---|
9 | 699 | |
999 | 94,599 | |
1.1% | 0.3% | |
10.0 | 10.0 | |
5 days ago | 4 days ago | |
TypeScript | TypeScript | |
MIT License | MIT License |
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ng-mocks
- Angular (v15) MatStepper + Jest (v29) + ng-mocks
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Informal AMA: Angular Signals RFC
Is the Angular team aware of NG Mocks and NG Spectator?
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Services needed in every components unit test
No neither of those. You're unit testing the component, so you don't want any external interference. You can create a mock version of the service, I like using ng-mocks to simplify a lot of this: https://www.npmjs.com/package/ng-mocks
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Is Unit Testing in Angular overrated?
No way, you just mock the services. Check out this library: https://www.npmjs.com/package/ng-mocks
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Unit testing <google-map>, Export of name 'mapMarker' not found!
I recommend using MockModule from ng-mocks https://www.npmjs.com/package/ng-mocks
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20+ JavaScript Utilities to Boost Your Productivity As a Developer
8. NG-Mocks
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How to Mock Services in Angular
You can have a look at ng-mocks. It provides a great toolset for angular mocks.
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Spec file "Cannot read property of 'subscribe' of undefined"
Also, for mocking, I recommend looking into ng-mocks. https://github.com/ike18t/ng-mocks It makes mocking really easy.
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Unit testing library for Angular application
Correct. When unit testing, you want to test the unit (parent component) in isolation. To do this, you can use something like ng-mocks (my personal favorite) to create mock components. You could also use the NO_ERRORS_SCHEMA but I don't recommend this because I like to verify that my component loads w/ all of its dependencies (even if the are just mocks). If you test your parent component w/ all of its child components, then you are doing a form of integration testing. I tend to refer to it as a grey area between unit and integration testing because there are valuable tests that can be written fairly easily and cheaply that don't truly isolate parent components from their child components.
Angular
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Angular Signals, Reactive Context, and Dynamic Dependency Tracking
/** * https://github.com/angular/angular/blob/75a186e321cb417685b2f13e9961906fc0aed36c/packages/core/src/render3/reactivity/untracked.ts#L15 * * packages/core/src/render3/reactivity/untracked.ts * **/ export function untracked(nonReactiveReadsFn: () => T): T { const prevConsumer = setActiveConsumer(null); try { return nonReactiveReadsFn(); } finally { setActiveConsumer(prevConsumer); } }
- Episode 24/15: Wiz behind the curtain, Copilot in VSCode
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Always unsubscribe. No exceptions. Debate closed.
source: https://github.com/angular/angular/issues/46542
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Angular Signals: Best Practices
Besides the dangers, mentioned by Angular docs (infinite loops, change detection errors), there is another thing, that might be quite nasty: effects are executed in a reactive context, and any code you call in effect, will be executed in a reactive context. If that code reads some signals, they will be added as dependencies to your effect. Here Alex Rickabaugh explains the details.
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Understanding control flow syntax in Angular 17
In June 2023, the Angular team raised a new RFC to implement control flow syntaxes within Angular. They gave the following rationale for introducing control flow syntax:
- Episode 24/09: Testing without TestBed, SSR & Hydration
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Preparing our Code for Zoneless Angular
For scheduling, I use awesome code I found in the Angular source code.
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β° Itβs time to talk about Import Map, Micro Frontend, and Nx Monorepo
Just to give you more context, I led the migration of several AngularJS applications to the newer Angular Framework. My client finally decided to make that move following the AngularJS deprecation announcement (stay up to date please π)οΈ.
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Conventional commit specification
Link β angular/CONTRIBUTING.md
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Angular Control Flow: the complete guide
Angular v17 was released some months ago with a ton of new features, a brand new logo and the new blog angular.dev.
What are some alternatives?
spectator - π¦ π A Powerful Tool to Simplify Your Angular Tests
Next.js - The React Framework
jest-mock-extended - Type safe mocking extensions for Jest https://www.npmjs.com/package/jest-mock-extended
qwik - Instant-loading web apps, without effort
angular-testing-library - π Simple and complete Angular testing utilities that encourage good testing practices
SvelteKit - web development, streamlined
dayjs - β° Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API
Alpine.js - A rugged, minimal framework for composing JavaScript behavior in your markup.
ts-mockito - Mocking library for TypeScript
solid - A declarative, efficient, and flexible JavaScript library for building user interfaces.
jest - Super-fast alternative for babel-jest or ts-jest without type checking. Please use main repository for issues
lit - Lit is a simple library for building fast, lightweight web components.