Coverage Summary for Class: KaariViewModelTest (com.javiersc.kaari.presenter)

 package com.javiersc.kaari.presenter
 
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import app.cash.molecule.RecompositionClock
 import app.cash.molecule.moleculeFlow
 import app.cash.turbine.test
 import com.javiersc.kaari.viewmodel.KaariViewModel
 import io.kotest.matchers.shouldBe
 import kotlin.coroutines.EmptyCoroutineContext
 import kotlin.test.Test
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.test.runTest
 
 class KaariViewModelTest {
 
     @Test
     fun `given a datasource when emits 4 values then state is changed 4 times`() = runTest {
         moleculeFlow(RecompositionClock.Immediate) {
                 val presenter = FooKaariPresenter(this)
                 val state = presenter.state()
                 launch {
                     delay(100)
                     presenter.effect { FooEffect.Foo }
                     delay(100)
                     presenter.effect(FooEffect.Bar)
                 }
                 state
             }
             .test {
                 awaitItem() shouldBe FooState("Unknown", 0)
                 awaitItem() shouldBe FooState("Foo", 1)
                 awaitItem() shouldBe FooState("Bar", 2)
                 cancel()
             }
     }
 }
 
 private class FooKaariPresenter(scope: CoroutineScope = CoroutineScope(EmptyCoroutineContext)) :
     KaariViewModel<FooEffect, FooState>(scope) {
 
     @Composable
     override fun state(): FooState {
         var name: String by remember { mutableStateOf("Unknown") }
         var counter: Int by remember { mutableStateOf(0) }
 
         CollectedEffect { effect ->
             when (effect) {
                 FooEffect.Foo -> {
                     name = "Foo"
                     counter = 1
                 }
                 FooEffect.Bar -> {
                     name = "Bar"
                     counter = 2
                 }
             }
         }
         return FooState(name, counter)
     }
 }
 
 private data class FooState(val name: String, val counter: Int?)
 
 sealed class FooEffect {
 
     object Foo : FooEffect()
     object Bar : FooEffect()
 }