NameViewerFailure.swift

NameViewerFailure.swift

    func test_failure() {
        
        let response =
            """
              [
                  {
                      "firstName": "Lee",
                      "lastName": "Burrows"
                  },
                  {
                      "firstName": "Dolly",
                      "lastName": "Burrows"
                  }
              ]
              """
        let data = response.data(using: .utf8)!
        MockURLProtocol.error = nil
        MockURLProtocol.requestHandler = { request in
            let response = HTTPURLResponse(url: URL(string: "https://theiosdude.api.com/test")!,
                                           statusCode: 304,
                                           httpVersion: nil,
                                           headerFields: ["Content-Type": "application/json"])!
            return (response, data)
        }
        
        let nameViewer = NameViewer(apiClient: MockNetworking())
        
        let sucessExpectation = expectation(description: "should not succeed")
        let failureExpectation = expectation(description: "should fail")
        sucessExpectation.isInverted = true
        
        nameViewer.didUpdate = {
            sucessExpectation.fulfill()
        }
        nameViewer.didError = {
            failureExpectation.fulfill()
        }
       
        nameViewer.getNames()
        
        wait(for: [sucessExpectation, failureExpectation], timeout: 5.0)
        
    }