Final Results
Our app/build.gradle
file with the updated dependencies list should resemble:
plugins {
id 'com.android.application'
id 'kotlin-android'
id 'androidx.navigation.safeargs.kotlin'
id 'kotlin-kapt'
}
android {
compileSdk 31
defaultConfig {
applicationId "com.commonsware.todo"
minSdk 21
targetSdk 31
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
buildFeatures {
viewBinding true
}
compileOptions {
coreLibraryDesugaringEnabled true
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
kotlinOptions {
jvmTarget = '1.8'
}
}
dependencies {
implementation 'androidx.core:core-ktx:1.6.0'
implementation 'androidx.appcompat:appcompat:1.3.1'
implementation 'androidx.constraintlayout:constraintlayout:2.1.0'
implementation "androidx.recyclerview:recyclerview:1.2.1"
implementation "androidx.navigation:navigation-fragment-ktx:$nav_version"
implementation "androidx.navigation:navigation-ui-ktx:$nav_version"
implementation 'com.google.android.material:material:1.4.0'
implementation "io.insert-koin:koin-android:$koin_version"
implementation "androidx.room:room-runtime:$room_version"
implementation "androidx.room:room-ktx:$room_version"
kapt "androidx.room:room-compiler:$room_version"
coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.5'
testImplementation 'junit:junit:4.13.2'
testImplementation "org.mockito:mockito-inline:3.12.1"
testImplementation "com.nhaarman.mockitokotlin2:mockito-kotlin:2.2.0"
testImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.5.1'
androidTestImplementation 'androidx.test.ext:junit:1.1.3'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
}
And our SingleModelMotorTest
should look like:
package com.commonsware.todo.ui
import com.commonsware.todo.MainDispatcherRule
import com.commonsware.todo.repo.ToDoModel
import com.commonsware.todo.repo.ToDoRepository
import com.nhaarman.mockitokotlin2.doReturn
import com.nhaarman.mockitokotlin2.mock
import com.nhaarman.mockitokotlin2.verify
import kotlinx.coroutines.flow.first
import kotlinx.coroutines.flow.flowOf
import kotlinx.coroutines.runBlocking
import org.junit.Assert.assertEquals
import org.junit.Before
import org.junit.Rule
import org.junit.Test
class SingleModelMotorTest {
@get:Rule
val mainDispatcherRule = MainDispatcherRule(paused = true)
private val testModel = ToDoModel("this is a test")
private val repo: ToDoRepository = mock {
on { find(testModel.id) } doReturn flowOf(testModel)
}
private lateinit var underTest: SingleModelMotor
@Before
fun setUp() {
underTest = SingleModelMotor(repo, testModel.id)
}
@Test
fun `initial state`() {
mainDispatcherRule.dispatcher.runCurrent()
runBlocking {
val item = underTest.states.first().item
assertEquals(testModel, item)
}
}
@Test
fun `actions pass through to repo`() {
val replacement = testModel.copy("whatevs")
underTest.save(replacement)
mainDispatcherRule.dispatcher.runCurrent()
runBlocking { verify(repo).save(replacement) }
underTest.delete(replacement)
mainDispatcherRule.dispatcher.runCurrent()
runBlocking { verify(repo).delete(replacement) }
}
}
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