Donations credit card formatting.

app/src/test/java/org/thoughtcrime/securesms/components/settings/app/subscription/donate/card/CreditCardExpirationTextWatcherBackspaceTest.kt

@@ -0,0 +1,39 @@
+package org.thoughtcrime.securesms.components.settings.app.subscription.donate.card
+
+import android.app.Application
+import android.text.Editable
+import android.text.SpannableStringBuilder
+import org.junit.Assert.assertEquals
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.ParameterizedRobolectricTestRunner
+import org.robolectric.annotation.Config
+
+@RunWith(ParameterizedRobolectricTestRunner::class)
+@Config(application = Application::class)
+class CreditCardExpirationTextWatcherBackspaceTest(
+  private val beforeBackspace: String,
+  private val textWatcherOutput: String
+) {
+
+  private val testSubject = CreditCardExpirationTextWatcher()
+
+  @Test
+  fun getTextWatcherOutput() {
+    val editable: Editable = SpannableStringBuilder(beforeBackspace.dropLast(1))
+    testSubject.onTextChanged(null, 0, 0, 0)
+    testSubject.afterTextChanged(editable)
+    assertEquals(textWatcherOutput, editable.toString())
+  }
+
+  companion object {
+    @JvmStatic
+    @ParameterizedRobolectricTestRunner.Parameters(name = "{index}: getTextWatcherOutput(..) = {0}, {1}")
+    fun data(): Iterable<Array<Any>> = arrayListOf(
+      arrayOf("12/23", "12/2"),
+      arrayOf("12/2", "12/"),
+      arrayOf("12/", "1"),
+      arrayOf("1", "")
+    )
+  }
+}

app/src/test/java/org/thoughtcrime/securesms/components/settings/app/subscription/donate/card/CreditCardExpirationTextWatcherTest.kt

@@ -0,0 +1,42 @@
+package org.thoughtcrime.securesms.components.settings.app.subscription.donate.card
+
+import android.app.Application
+import android.text.Editable
+import android.text.SpannableStringBuilder
+import org.junit.Assert.assertEquals
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.ParameterizedRobolectricTestRunner
+import org.robolectric.annotation.Config
+
+@RunWith(ParameterizedRobolectricTestRunner::class)
+@Config(application = Application::class)
+class CreditCardExpirationTextWatcherTest(
+  private val userInput: String,
+  private val textWatcherOutput: String
+) {
+
+  private val testSubject = CreditCardExpirationTextWatcher()
+
+  @Test
+  fun getTextWatcherOutput() {
+    val editable: Editable = SpannableStringBuilder(userInput)
+    testSubject.afterTextChanged(editable)
+    assertEquals(textWatcherOutput, editable.toString())
+  }
+
+  companion object {
+    @JvmStatic
+    @ParameterizedRobolectricTestRunner.Parameters(name = "{index}: getTextWatcherOutput(..) = {0}, {1}")
+    fun data(): Iterable<Array<Any>> = arrayListOf(
+      arrayOf("0", "0"),
+      arrayOf("1", "1"),
+      arrayOf("12", "12/"),
+      arrayOf("02", "02/"),
+      arrayOf("2", "02/"),
+      arrayOf("12/", "12/"),
+      arrayOf("12/1", "12/1"),
+      arrayOf("15", "15")
+    )
+  }
+}

app/src/test/java/org/thoughtcrime/securesms/components/settings/app/subscription/donate/card/CreditCardTextWatcherBackspaceTest.kt

@@ -0,0 +1,37 @@
+package org.thoughtcrime.securesms.components.settings.app.subscription.donate.card
+
+import android.app.Application
+import android.text.Editable
+import android.text.SpannableStringBuilder
+import org.junit.Assert.assertEquals
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.ParameterizedRobolectricTestRunner
+import org.robolectric.annotation.Config
+
+@RunWith(ParameterizedRobolectricTestRunner::class)
+@Config(application = Application::class)
+class CreditCardTextWatcherBackspaceTest(
+  private val beforeBackspace: String,
+  private val textWatcherOutput: String
+) {
+
+  private val testSubject = CreditCardTextWatcher()
+
+  @Test
+  fun getTextWatcherOutput() {
+    val editable: Editable = SpannableStringBuilder(beforeBackspace.dropLast(1))
+    testSubject.onTextChanged(null, 0, 0, 0)
+    testSubject.afterTextChanged(editable)
+    assertEquals(textWatcherOutput, editable.toString())
+  }
+
+  companion object {
+    @JvmStatic
+    @ParameterizedRobolectricTestRunner.Parameters(name = "{index}: getTextWatcherOutput(..) = {0}, {1}")
+    fun data(): Iterable<Array<Any>> = arrayListOf(
+      arrayOf("1234 ", "123"),
+      arrayOf("1234 5", "1234 ")
+    )
+  }
+}

app/src/test/java/org/thoughtcrime/securesms/components/settings/app/subscription/donate/card/CreditCardTextWatcherTest.kt

@@ -0,0 +1,59 @@
+package org.thoughtcrime.securesms.components.settings.app.subscription.donate.card
+
+import android.app.Application
+import android.text.Editable
+import android.text.SpannableStringBuilder
+import org.junit.Assert.assertEquals
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.ParameterizedRobolectricTestRunner
+import org.robolectric.annotation.Config
+
+@RunWith(ParameterizedRobolectricTestRunner::class)
+@Config(application = Application::class)
+class CreditCardTextWatcherTest(
+  private val userInput: String,
+  private val textWatcherOutput: String
+) {
+
+  private val testSubject = CreditCardTextWatcher()
+
+  @Test
+  fun getTextWatcherOutput() {
+    val editable: Editable = SpannableStringBuilder(userInput)
+    testSubject.afterTextChanged(editable)
+    assertEquals(textWatcherOutput, editable.toString())
+  }
+
+  companion object {
+    @JvmStatic
+    @ParameterizedRobolectricTestRunner.Parameters(name = "{index}: getTextWatcherOutput(..) = {0}, {1}")
+    fun data(): Iterable<Array<Any>> = arrayListOf(
+      // AMEX
+      arrayOf("340", "340"),
+      arrayOf("3400", "3400 "),
+      arrayOf("34000", "3400 0"),
+      arrayOf("3400000000", "3400 000000 "),
+      arrayOf("34000000000", "3400 000000 0"),
+      arrayOf("340000000000000", "3400 000000 00000"),
+      // UNIONPAY
+      arrayOf("620", "620"),
+      arrayOf("6200", "6200 "),
+      arrayOf("62000", "6200 0"),
+      arrayOf("6200000000", "6200 0000 00"),
+      arrayOf("6200000000000", "6200 0000 00000"),
+      arrayOf("620000000000000", "6200 0000 0000 000"),
+      arrayOf("6200000000000000", "6200 0000 0000 0000"),
+      arrayOf("62000000000000000", "62000 00000 00000 00"),
+      // OTHER
+      arrayOf("550", "550"),
+      arrayOf("5500", "5500 "),
+      arrayOf("55000", "5500 0"),
+      arrayOf("5500000000", "5500 0000 00"),
+      arrayOf("55000000000", "5500 0000 000"),
+      arrayOf("550000000000000", "5500 0000 0000 000"),
+      arrayOf("5500000000000000", "5500 0000 0000 0000"),
+      arrayOf("55000000000000000", "55000 00000 00000 00"),
+    )
+  }
+}