MVVM on Android

Sep 1 2022 · Kotlin 1.6, Android 12, Android Studio Chipmunk | 2021.2.1 Patch 1

Part 1: MVVM on Android

09. Challenge: Add ViewModel Test

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Previous episode: 08. Save Data to the Repository Next episode: 10. Challenge: Create a ViewModel

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Notes: 09. Challenge: Add ViewModel Test

The student materials have been reviewed and are updated as of July 2022.

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You first challenge for the course is to add another test on the CreatureViewModel to make sure that a creature without strength cannot be saved. The test will be very similar to the test we already wrote to make sure that a creature without a name cannot be saved. Go ahead and pause the video, and take a shot at writing this new test. Unpause when you’re ready to see a solution.

  fun testCantSaveCreatureWithoutStrength() {
    creatureViewModel.intelligence = 10
    creatureViewModel.strength = 0
    creatureViewModel.endurance = 7
    creatureViewModel.drawable = 1 = "My Creature"
    val canSaveCreature = creatureViewModel.canSaveCreature()
    assertEquals(false, canSaveCreature)