Fix base URL view model coverage calculation

app/src/test/java/gq/kirmanak/mealient/test/RobolectricTest.kt

@@ -1,10 +0,0 @@
-package gq.kirmanak.mealient.test
-
-import android.app.Application
-import androidx.test.ext.junit.runners.AndroidJUnit4
-import org.junit.runner.RunWith
-import org.robolectric.annotation.Config
-
-@RunWith(AndroidJUnit4::class)
-@Config(application = Application::class, manifest = Config.NONE)
-abstract class RobolectricTest

app/src/test/java/gq/kirmanak/mealient/ui/baseurl/BaseURLViewModelTest.kt

@@ -1,5 +1,7 @@
 package gq.kirmanak.mealient.ui.baseurl
 
+import androidx.arch.core.executor.testing.InstantTaskExecutorRule
+import com.google.common.truth.Truth.assertThat
 import gq.kirmanak.mealient.data.auth.AuthRepo
 import gq.kirmanak.mealient.data.baseurl.ServerInfoRepo
 import gq.kirmanak.mealient.data.baseurl.VersionDataSource
@@ -9,20 +11,22 @@ import gq.kirmanak.mealient.logging.Logger
 import gq.kirmanak.mealient.test.AuthImplTestData.TEST_BASE_URL
 import gq.kirmanak.mealient.test.AuthImplTestData.TEST_VERSION
 import gq.kirmanak.mealient.test.FakeLogger
-import gq.kirmanak.mealient.test.RobolectricTest
+import gq.kirmanak.mealient.ui.OperationUiState
 import io.mockk.MockKAnnotations
 import io.mockk.coEvery
 import io.mockk.coVerify
 import io.mockk.impl.annotations.MockK
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.ExperimentalCoroutinesApi
-import kotlinx.coroutines.test.TestScope
-import kotlinx.coroutines.test.advanceUntilIdle
-import kotlinx.coroutines.test.runTest
+import kotlinx.coroutines.test.*
+import org.junit.After
 import org.junit.Before
+import org.junit.Rule
 import org.junit.Test
+import java.io.IOException
 
 @OptIn(ExperimentalCoroutinesApi::class)
-class BaseURLViewModelTest : RobolectricTest() {
+class BaseURLViewModelTest {
 
     @MockK(relaxUnitFun = true)
     lateinit var serverInfoRepo: ServerInfoRepo
@@ -36,6 +40,9 @@ class BaseURLViewModelTest : RobolectricTest() {
     @MockK
     lateinit var versionDataSource: VersionDataSource
 
+    @get:Rule
+    val instantExecutorRule = InstantTaskExecutorRule()
+
     private val logger: Logger = FakeLogger()
 
     lateinit var subject: BaseURLViewModel
@@ -43,6 +50,7 @@ class BaseURLViewModelTest : RobolectricTest() {
     @Before
     fun setUp() {
         MockKAnnotations.init(this)
+        Dispatchers.setMain(UnconfinedTestDispatcher())
         subject = BaseURLViewModel(
             serverInfoRepo = serverInfoRepo,
             authRepo = authRepo,
@@ -52,6 +60,10 @@ class BaseURLViewModelTest : RobolectricTest() {
         )
     }
 
+    @After
+    fun tearDown() {
+        Dispatchers.resetMain()
+    }
 
     @Test
     fun `when saveBaseURL expect no version checks given that current URL matches new`() = runTest {
@@ -114,4 +126,13 @@ class BaseURLViewModelTest : RobolectricTest() {
             versionDataSource.getVersionInfo(eq(TEST_BASE_URL))
         } returns VersionInfo(TEST_VERSION)
     }
+
+    @Test
+    fun `when saveBaseURL expect error given that version can't be fetched`() = runTest {
+        coEvery { serverInfoRepo.getUrl() } returns null
+        coEvery { versionDataSource.getVersionInfo(eq(TEST_BASE_URL)) } throws IOException()
+        subject.saveBaseUrl(TEST_BASE_URL)
+        advanceUntilIdle()
+        assertThat(subject.uiState.value).isInstanceOf(OperationUiState.Failure::class.java)
+    }
 }