ngallazzi

class MyComposeTest {
    @get:Rule
    val composeTestRule = createComposeRule()
    val composeTestRuleWithActivity = createAndroidComposeRule<YourActivity>()
}

ngallazzi

class MyLayoutTest {
    @get:Rule
    val composeTestRule = createAndroidComposeRule<ComponentActivity>()

    @Test
    fun testMyLayout() {
        // Start the app
        composeTestRule.setContent {
                MyLayout()
        }

ngallazzi

<EditText android:id="@+id/name_field"
android:layout_width="wrap_content"
android:hint="Please enter your name" android:layout_height="wrap_content" />

<Button android:id="@+id/greet_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="Click me to greet!" />
    
<Text android:id="@+id/greet_field" android:layout_width="wrap_content" 
android:visibility="gone"

ngallazzi

fun enrichInvoice(invoice: Invoice, author: String, timeStamp: LocalDateTime): Invoice {
    return invoice.copy(printingAuthor = author, printTimeStamp = timeStamp)
}

fun main() {
    var invoice = Utils.getRandomInvoice(this, resources.configuration.locale)
    invoice = controller.enrichInvoice(invoice,"Nicola", LocalDateTime.now())
}

ngallazzi

fun addAuthor(invoice: Invoice, author: String): Invoice {
    return invoice.copy(printingAuthor = author)
}

fun addPrintTimeStamp(invoice: Invoice, timeStamp: LocalDateTime): Invoice {
    return invoice.copy(printTimeStamp = timeStamp)
}

fun main() {
    var invoice = Utils.getRandomInvoice(this, resources.configuration.locale)

ngallazzi

// Both functions print something
private fun printInvoiceHeader(header: InvoiceHeader) {
    binding.tvInvoicePreview.text = header.toString()
}

private fun printCustomerDetails(customer: Customer) {
    var customerDetails = ""
    customerDetails += "CUSTOMER\n"
    customerDetails += "First Name: ${customer.firstName}\nLast Name: ${customer.lastName}\n"
    binding.tvInvoicePreview.append("$customerDetails\n")

ngallazzi

private fun printInvoiceHeader(header: InvoiceHeader) {
    binding.tvInvoicePreview.text = header.toString()
}

data class InvoiceHeader(private val number: Int, private val date: LocalDate) {
    override fun toString(): String {
        return "INVOICE N° ${number}, ${formatter.format(date)}\n\n"
    }

    companion object {

ngallazzi

private fun printInvoiceHeader(invoiceNumber: Int, invoiceDate: LocalDate, format: DateTimeFormatter) {
    val invoiceHeader =
        "INVOICE N° ${invoiceNumber}, ${invoiceDate.format(format)}\n\n"
    binding.tvInvoicePreview.text = invoiceHeader
}

ngallazzi

private fun printInvoiceSheet(invoice: Invoice) {
    printInvoiceHeader(invoiceNumber = invoice.number, invoiceDate = invoice.date)
    printInvoiceItemsSection(invoice.items, 22.0)
}

private fun printInvoiceHeader(invoiceNumber: Int, invoiceDate: LocalDate) {
    val invoiceHeader = "INVOICE N° ${invoiceNumber}, ${invoiceDate}\n\n"
    binding.tvInvoicePreview.text = invoiceHeader
}

ngallazzi

private fun printInvoiceSheet(invoice: Invoice) {
    printDetails(invoice)
    printInvoiceItemsSection(invoice.items, 22.0)
}

private fun printDetails(invoice: Invoice) {
    val invoiceHeader = "INVOICE N° ${invoice.number}, ${invoice.date}\n\n"
    binding.tvInvoicePreview.text = invoiceHeader
}