Asynchronous Tests

.swift

import XCTest

final class AsyncTests: XCTestCase {

    func testDownloadWebDataWithConcurrency() async {
        // Create a URL for a webpage to download.
        let url = URL(string: "https://apple.com")! // test passed! :)
        // let url = URL(string: "https://applexfsda.com")! // test don't passed :(
        
        // Use an asynchronous function to download the webpage.
        let dataAndResponse: (data: Data, response: URLResponse) = try await URLSession.shared.data(from: url, delegate: nil)
        
        // Assert that the actual response matches the expected response.
        let httpResponse = try XCTUnwrap(dataAndResponse.response as? HTTPURLResponse, "Expected an HTTPURLResponse.")
        XCTAssertEqual(httpResponse.statusCode, 200, "Expected a 200 OK response.")
    }

}