bundesmessenger-ios/RiotSwiftUI/Modules/Authentication/VerifyMsisdn/Test/UI/AuthenticationVerifyMsisdnUITests.swift

//
// Copyright 2021 New Vector Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

import XCTest
import RiotSwiftUI

class AuthenticationVerifyMsisdnUITests: MockScreenTest {

    override class var screenType: MockScreenState.Type {
        return MockAuthenticationVerifyMsisdnScreenState.self
    }

    override class func createTest() -> MockScreenTest {
        return AuthenticationVerifyMsisdnUITests(selector: #selector(verifyAuthenticationVerifyMsisdnScreen))
    }

    func verifyAuthenticationVerifyMsisdnScreen() throws {
        guard let screenState = screenState as? MockAuthenticationVerifyMsisdnScreenState else { fatalError("no screen") }
        switch screenState {
        case .emptyPhoneNumber:
            verifyEmptyPhoneNumber()
        case .enteredPhoneNumber:
            verifyEnteredPhoneNumber()
        case .hasSentSMS:
            verifyHasSentSMS()
        case .enteredOTP:
            verifyEnteredOTP()
        }
    }
    
    func verifyEmptyPhoneNumber() {
        let titleLabel = app.staticTexts["titleLabel"]
        XCTAssertTrue(titleLabel.exists, "The title should be shown.")

        let messageLabel = app.staticTexts["messageLabel"]
        XCTAssertTrue(messageLabel.exists, "The message should be shown.")
        
        let phoneNumberTextField = app.textFields["phoneNumberTextField"]
        XCTAssertTrue(phoneNumberTextField.exists, "The text field should be shown before an SMS is sent.")
        XCTAssertEqual(phoneNumberTextField.value as? String, "Phone Number", "The text field should be showing the placeholder before text is input.")
        
        let nextButton = app.buttons["nextButton"]
        XCTAssertTrue(nextButton.exists, "The next button should be shown.")
        XCTAssertFalse(nextButton.isEnabled, "The next button should be disabled before text is input.")

        let resendButton = app.buttons["resendButton"]
        XCTAssertFalse(resendButton.exists, "Resend button should be hidden until an SMS is sent.")
    }
    
    func verifyEnteredPhoneNumber() {
        let titleLabel = app.staticTexts["titleLabel"]
        XCTAssertTrue(titleLabel.exists, "The title should be shown.")

        let messageLabel = app.staticTexts["messageLabel"]
        XCTAssertTrue(messageLabel.exists, "The message should be shown.")
        
        let phoneNumberTextField = app.textFields["phoneNumberTextField"]
        XCTAssertTrue(phoneNumberTextField.exists, "The text field should be shown before an SMS is sent.")
        XCTAssertEqual(phoneNumberTextField.value as? String, "+44 XXXXXXXXX", "The text field should show entered phone number.")
        
        let nextButton = app.buttons["nextButton"]
        XCTAssertTrue(nextButton.exists, "The next button should be shown.")
        XCTAssertTrue(nextButton.isEnabled, "The next button should be enabled once a phone number has been input.")

        let resendButton = app.buttons["resendButton"]
        XCTAssertFalse(resendButton.exists, "Resend button should be hidden until an SMS is sent.")
    }
    
    func verifyHasSentSMS() {
        let titleLabel = app.staticTexts["titleLabel"]
        XCTAssertTrue(titleLabel.exists, "The title should be shown.")

        let messageLabel = app.staticTexts["messageLabel"]
        XCTAssertTrue(messageLabel.exists, "The message should be shown.")

        let phoneNumberTextField = app.textFields["phoneNumberTextField"]
        XCTAssertFalse(phoneNumberTextField.exists, "The phone number text field should be hidden once an SMS has been sent.")

        let otpTextField = app.textFields["otpTextField"]
        XCTAssertTrue(otpTextField.exists, "The OTP text field should be shown once an SMS has been sent.")
        XCTAssertEqual(otpTextField.value as? String, "Verification Code", "The text field should be showing the placeholder before text is input.")

        let nextButton = app.buttons["nextButton"]
        XCTAssertTrue(nextButton.exists, "The next button should be shown.")
        XCTAssertFalse(nextButton.isEnabled, "The next button should be disabled before text is input.")

        let resendButton = app.buttons["resendButton"]
        XCTAssertTrue(resendButton.exists, "Resend button should be shown after SMS sent.")
        XCTAssertTrue(resendButton.isEnabled, "Resend button should be enabled after an SMS sent once.")
    }

    func verifyEnteredOTP() {
        let titleLabel = app.staticTexts["titleLabel"]
        XCTAssertTrue(titleLabel.exists, "The title should be shown.")

        let messageLabel = app.staticTexts["messageLabel"]
        XCTAssertTrue(messageLabel.exists, "The message should be shown.")

        let phoneNumberTextField = app.textFields["phoneNumberTextField"]
        XCTAssertFalse(phoneNumberTextField.exists, "The phone number text field should be hidden once an SMS has been sent.")

        let otpTextField = app.textFields["otpTextField"]
        XCTAssertTrue(otpTextField.exists, "The OTP text field should be shown once an SMS has been sent.")
        XCTAssertEqual(otpTextField.value as? String, "123456", "The text field should show entered OTP.")
        
        let nextButton = app.buttons["nextButton"]
        XCTAssertTrue(nextButton.exists, "The next button should be shown.")
        XCTAssertTrue(nextButton.isEnabled, "The next button should be enabled once an OTP has been input.")

        let resendButton = app.buttons["resendButton"]
        XCTAssertTrue(resendButton.exists, "Resend button should be shown after SMS sent.")
        XCTAssertTrue(resendButton.isEnabled, "Resend button should be enabled after an SMS sent once.")
    }

}