import XCTest
@testable import StudyCK

class StudyCKUITests: XCTestCase {
	
	var app: XCUIApplication! = nil
        
    override func setUp() {
        super.setUp()
        
        // Put setup code here. This method is called before the invocation of each test method in the class.
        
        // In UI tests it is usually best to stop immediately when a failure occurs.
        continueAfterFailure = false
        // UI tests must launch the application that they test. Doing this in setup will make sure it happens for each test method.
		app = XCUIApplication()
        app.launch()
        // In UI tests it’s important to set the initial state - such as interface orientation - required for your tests before they run. The setUp method is a good place to do this.
    }
    
    override func tearDown() {
        // Put teardown code here. This method is called after the invocation of each test method in the class.
        super.tearDown()
    }
    
    func testEmptyUsernameAndPassword() {
		app.buttons["登入"].tap()
		let test = expectation(for: NSPredicate(format: "exists == 1"), evaluatedWith: app.alerts["錯誤"], handler: nil)
		wait(for: [test], timeout: 10)
		XCTAssert(app.alerts["錯誤"].staticTexts["帳號不存在"].exists)
		app.alerts["錯誤"].buttons["重試"].tap()
	}
	
	func testEmptyUsername() {
		app.secureTextFields["passwordField"].tap()
		app.secureTextFields["passwordField"].typeText("aa")
		app.buttons["登入"].tap()
		let test = expectation(for: NSPredicate(format: "exists == 1"), evaluatedWith: app.alerts["錯誤"], handler: nil)
		wait(for: [test], timeout: 10)
		
		XCTAssert(app.alerts["錯誤"].staticTexts["帳號不存在"].exists)
	}
	
	func testEmptyPassword() {
		app.textFields["usernameField"].tap()
		app.textFields["usernameField"].typeText("ck1060535")
		app.buttons["登入"].tap()
		let test = expectation(for: NSPredicate(format: "exists == 1"), evaluatedWith: app.alerts["錯誤"], handler: nil)
		wait(for: [test], timeout: 10)
		XCTAssert(app.alerts["錯誤"].staticTexts["密碼錯誤，請再試一次"].exists)
	}
	
	func testWrongPassword() {
		app.textFields["usernameField"].tap()
		app.textFields["usernameField"].typeText("ck1060535")
		app.secureTextFields["passwordField"].tap()
		app.secureTextFields["passwordField"].typeText("aa")
		app.buttons["登入"].tap()
		let test = expectation(for: NSPredicate(format: "exists == 1"), evaluatedWith: app.alerts["錯誤"], handler: nil)
		wait(for: [test], timeout: 10)
		XCTAssert(app.alerts["錯誤"].staticTexts["密碼錯誤，請再試一次"].exists)
	}
	
	func testLogin() {
		app.textFields["usernameField"].tap()
		app.textFields["usernameField"].typeText("tUsername")
		app.secureTextFields["passwordField"].tap()
		app.secureTextFields["passwordField"].typeText("tPassword")
		app.buttons["登入"].tap()
		expectation(for: NSPredicate(format: "exists == 1"), evaluatedWith: app.navigationBars["choiceController"], handler: nil)
		waitForExpectations(timeout: 10, handler: nil)
	}
    
}