Implemented HomeVMTest

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Tue Jul 14 15:56:55 IST 2020
+#Tue Jan 25 12:20:13 IST 2022
 distributionBase=GRADLE_USER_HOME
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
 distributionPath=wrapper/dists
-zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-bin.zip
+zipStoreBase=GRADLE_USER_HOME

ui-jokes/build.gradle.kts

@@ -97,4 +97,5 @@ dependencies {
   testImplementation(TestLib.ROBO_ELECTRIC)
   testImplementation(TestLib.COROUTINES)
   testImplementation(TestLib.MOCKK)
+  testImplementation(TestLib.TURBINE)
 }

ui-jokes/src/test/java/com/mutualmobile/feat/jokes/ui/joke/home/HomeVMTest.kt

@@ -0,0 +1,99 @@
+package com.mutualmobile.feat.jokes.ui.joke.home
+
+import app.cash.turbine.test
+import com.mutualmobile.feat.jokes.ui.model.UIJokeMapper
+import com.mutualmobile.praxis.data.repository.JokesRepoImpl
+import com.mutualmobile.praxis.domain.SafeResult
+import com.mutualmobile.praxis.domain.model.DOMJoke
+import com.mutualmobile.praxis.domain.model.DOMJokeList
+import com.mutualmobile.praxis.domain.usecases.GetFiveRandomJokesUseCase
+import com.mutualmobile.praxis.navigator.ComposeNavigator
+import io.mockk.MockKAnnotations
+import io.mockk.coEvery
+import io.mockk.impl.annotations.MockK
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.flow.emptyFlow
+import kotlinx.coroutines.test.StandardTestDispatcher
+import kotlinx.coroutines.test.resetMain
+import kotlinx.coroutines.test.runTest
+import kotlinx.coroutines.test.setMain
+import org.junit.After
+import org.junit.Before
+import org.junit.Test
+
+@ExperimentalCoroutinesApi
+class HomeVMTest {
+
+    private val uiJokesMapper = UIJokeMapper()
+
+    @MockK
+    private lateinit var navigator: ComposeNavigator
+    private lateinit var getFiveRandomJokesUseCase: GetFiveRandomJokesUseCase
+    private lateinit var homeVM: HomeVM
+
+    @MockK
+    private lateinit var jokesRepoImpl: JokesRepoImpl
+
+    @Before
+    fun setUp() {
+        MockKAnnotations.init(this, true)
+        Dispatchers.setMain(StandardTestDispatcher())
+    }
+
+    @After
+    fun tearDown() {
+        Dispatchers.resetMain()
+    }
+
+    @Test
+    fun `test that loadJokes() completes on success response`() = runTest {
+
+        // This is mocking
+        coEvery {
+            navigator.observeResult<String>(any())
+        } returns emptyFlow()
+
+        coEvery {
+            jokesRepoImpl.getFiveRandomJokes()
+        } returns SafeResult.Success(
+            data = DOMJokeList(
+                type = "success",
+                DOMJokes = listOf(
+                    DOMJoke(0, "Test Joke")
+                )
+            )
+        )
+
+        getFiveRandomJokesUseCase = GetFiveRandomJokesUseCase(jokesRepoImpl)
+
+        homeVM = HomeVM(getFiveRandomJokesUseCase, uiJokesMapper, navigator)
+
+        homeVM.viewState.test {
+            assert(awaitItem() is HomeViewState.Loading)
+            assert(awaitItem() is HomeViewState.ShowJokes)
+        }
+    }
+
+    @Test
+    fun `test that loadJokes() fails on failed response`() = runTest {
+
+        // This is mocking
+        coEvery {
+            navigator.observeResult<String>(any())
+        } returns emptyFlow()
+
+        coEvery {
+            jokesRepoImpl.getFiveRandomJokes()
+        } returns SafeResult.Failure()
+
+        getFiveRandomJokesUseCase = GetFiveRandomJokesUseCase(jokesRepoImpl)
+
+        homeVM = HomeVM(getFiveRandomJokesUseCase, uiJokesMapper, navigator)
+
+        homeVM.viewState.test {
+            assert(awaitItem() is HomeViewState.Loading)
+            assert(awaitItem() is HomeViewState.Error)
+        }
+    }
+}