Test Appium session interacting with the Barista API

testCustomerDeviceWithBaristaApi.java

public void testCustomerDeviceWithBaristaApi()
{
	// Create a session for the customer app
	phone = new AppiumDriver(sauceURL, deviceCapabilities);

	// Create an API service that interacts with the mobile app
	baristaAPI = new BaristaAPI(barristUsername, baristaPassword);
	
	// Customer logs into mobile app on mobile device
	phone.findElement(mobileApp.loginScreen.usernameField).sendKeys(customer.username);
	phone.findElement(mobileApp.loginScreen.passwordField).sendKeys(customer.password);
	phone.findElement(mobileApp.loginScreen.loginButton).click();

	// Customer selects a coffee -- after login succeeded
	coffeeButton = phoneWait.until(ExpectedConditions.elementToBeClickable(mobileApp.menuScreen.coffeeButton));
	coffeeButton.click();

	// API finds the customer order and sets it to out of stock
	order = baristaApi.findOrdersForCustomer(customer.username).get(0);
	baristaApi.markOrderAsOutOfStock(order);

	// Customer is prompted to cancel or place new order
	orderConfirmationDialog = phoneWait.until(ExpectedConditions.visibilityOfElementLocated(mobileApp.orderConfirmationDialog));

	// User receives out of stock notification and can cancel or place new order
	assertThat(orderConfirmationDialog.getText()).contains("Out of Stock");
	assertThat(orderConfirmationDialog.findElement(By.accessibilityId("Cancel Order"))).exists();
	assertThat(orderConfirmationDialog.findElement(By.accessibilityId("Place New Order"))).exists();
}