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Build E-Commerce Apps with Reactive Programming in Spring Boot

Solution: The DELETE Operation

Explore how to implement and test secure DELETE operations in a Spring Boot application. Learn to enforce role-based access control using Spring Security, validate API responses with WebTestClient, and verify data changes in MongoDB through reactive testing with StepVerifier.

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Here’s the solution to the previous challenge. We’ll discuss it in detail.

deletingInventoryWithoutProperRoleFails() test function

Let’s take a look at the first test function deletingInventoryWithoutProperRoleFails() in the code snippet below:

Java
@Test
@WithMockUser(username = "carol", roles = { "SOME_OTHER_ROLE" }) //1
void deletingInventoryWithoutProperRoleFails() {
	this.webTestClient.delete().uri("/some-item") //2
			.exchange() //3
			.expectStatus().isForbidden(); //4
	}

Here’s a breakdown of the code above:

  1. In line 2, the user carol has the SOME_OTHER_ROLE authority. ...