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ServiceFactoryTester.from()

Home > @backstage/backend-test-utils > ServiceFactoryTester > from

Creates a new ServiceFactoryTester used to test the provided subject.

Signature:

static from<TService, TScope extends 'root' | 'plugin', TInstances extends 'singleton' | 'multiton' = 'singleton'>(subject: ServiceFactory<TService, TScope, TInstances>, options?: ServiceFactoryTesterOptions): ServiceFactoryTester<TService, TScope, TInstances>;

Parameters

Parameter

Type

Description

subject

ServiceFactory<TService, TScope, TInstances>

The service factory to test.

options

ServiceFactoryTesterOptions

(Optional) Additional options

**Returns:**

ServiceFactoryTester<TService, TScope, TInstances>

A new tester instance for the provided subject.