What does nullinjectorerror mean without provider for httpclient?
NullInjectorError: No provider for HttpClient! Unit test a service NullInjectorError: No provider for HttpClient! Unit Testing a Service I’ve been trying to test a basic service today and I keep getting this error: Error: StaticInjectorError [HttpClient]: StaticInjectorError [HttpClient]: NullInjectorError: No provider for HttpClient!
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How to test a service with nullinjectorerror?
I’ve been trying to test a basic service today and I keep getting this error: Error: StaticInjectorError [HttpClient]: StaticInjectorError [HttpClient]: NullInjectorError: No provider for HttpClient! “Error: Static Injector Error.”
What is the error of staticinjectorerror in angular?
AppComponent.html:9 ERROR Error: StaticInjectorError (AppModule) [HttpClient -> HttpHandler]: StaticInjectorError (Platform: core) [HttpClient -> HttpHandler]: NullInjectorError: No provider for HttpHandler! Make sure you have imported the HttpClientModule instead of adding the HttpClient directly to the list of providers.
Is there a fatal error when using the http module?
I’ve also tried using HttpModule, but it’s a fatal error. The error is as follows: Error: not caught (in promise): error: StaticInjectorError [Http]: StaticInjectorError [Http]: NullInjectorError: No provider for Http!
How to fix no provider for httpclient error in angular?
To fix NullInjectorError: No provider for HttpClient! error in Angular follow below steps. Open the app.module.ts file of the angular app. Import HttpClientModule from @angular/common/http. Add HttpClientModule to the @NgModule imports array.
How to write a unit test for httpclient dependent services?
While writing unit tests for HttpClient dependent services, you may find it very useful to use HttpClientTestingModule. This module is very useful for testing especially data services that make HTTP calls to servers.