What are integration testing setup for URLSession in Swift?

Integration testing for URLSession in Swift involves testing your network layer to ensure that your app interacts with APIs correctly. This includes verifying the responses, handling errors, and ensuring that data is parsed correctly. By creating mock responses and using XCTest, developers can simulate network calls and test the integration points of their application without relying on real servers.

An example of an integration test for a network call using URLSession is shown below:

import XCTest @testable import YourAppModule // Replace with your app module class NetworkManagerTests: XCTestCase { var networkManager: NetworkManager! override func setUp() { super.setUp() networkManager = NetworkManager() // Assume NetworkManager handles API calls } func testFetchDataFromAPI() { let expectation = self.expectation(description: "Fetch Data From API") networkManager.fetchData { (data, error) in XCTAssertNotNil(data, "Data should not be nil") XCTAssertNil(error, "Error should be nil") expectation.fulfill() } waitForExpectations(timeout: 5, handler: nil) } }

Swift Integration Testing URLSession XCTest Networking Tests Mock Responses

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