1 files changed, 101 insertions, 0 deletions
diff --git a/tests/src/com/android/customization/picker/notifications/ui/viewmodel/NotificationSectionViewModelTest.kt b/tests/src/com/android/customization/picker/notifications/ui/viewmodel/NotificationSectionViewModelTest.kt
new file mode 100644
index 00000000..64426094
--- /dev/null
+++ b/tests/src/com/android/customization/picker/notifications/ui/viewmodel/NotificationSectionViewModelTest.kt
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package com.android.customization.picker.notifications.ui.viewmodel
+
+import androidx.test.filters.SmallTest
+import com.android.customization.picker.notifications.data.repository.NotificationsRepository
+import com.android.customization.picker.notifications.domain.interactor.NotificationsInteractor
+import com.android.customization.picker.notifications.domain.interactor.NotificationsSnapshotRestorer
+import com.android.wallpaper.testing.FakeSecureSettingsRepository
+import com.android.wallpaper.testing.FakeSnapshotStore
+import com.android.wallpaper.testing.collectLastValue
+import com.google.common.truth.Truth.assertThat
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.runBlocking
+import kotlinx.coroutines.test.TestScope
+import kotlinx.coroutines.test.UnconfinedTestDispatcher
+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
+import org.junit.runner.RunWith
+import org.junit.runners.JUnit4
+
+@OptIn(ExperimentalCoroutinesApi::class)
+@SmallTest
+@RunWith(JUnit4::class)
+class NotificationSectionViewModelTest {
+
+    private lateinit var underTest: NotificationSectionViewModel
+
+    private lateinit var testScope: TestScope
+    private lateinit var interactor: NotificationsInteractor
+
+    @Before
+    fun setUp() {
+        val testDispatcher = UnconfinedTestDispatcher()
+        Dispatchers.setMain(testDispatcher)
+        testScope = TestScope(testDispatcher)
+        interactor =
+            NotificationsInteractor(
+                repository =
+                    NotificationsRepository(
+                        scope = testScope.backgroundScope,
+                        backgroundDispatcher = testDispatcher,
+                        secureSettingsRepository = FakeSecureSettingsRepository(),
+                    ),
+                snapshotRestorer = {
+                    NotificationsSnapshotRestorer(
+                            interactor = interactor,
+                        )
+                        .apply { runBlocking { setUpSnapshotRestorer(FakeSnapshotStore()) } }
+                },
+            )
+
+        underTest =
+            NotificationSectionViewModel(
+                interactor = interactor,
+            )
+    }
+
+    @After
+    fun tearDown() {
+        Dispatchers.resetMain()
+    }
+
+    @Test
+    fun `toggles back and forth`() =
+        testScope.runTest {
+            val subtitleStringResId = collectLastValue(underTest.subtitleStringResourceId)
+            val isSwitchOn = collectLastValue(underTest.isSwitchOn)
+
+            val initialSubtitleStringRes = subtitleStringResId()
+            val initialIsSwitchOn = isSwitchOn()
+
+            underTest.onClicked()
+            assertThat(subtitleStringResId()).isNotEqualTo(initialSubtitleStringRes)
+            assertThat(isSwitchOn()).isNotEqualTo(initialIsSwitchOn)
+
+            underTest.onClicked()
+            assertThat(subtitleStringResId()).isEqualTo(initialSubtitleStringRes)
+            assertThat(isSwitchOn()).isEqualTo(initialIsSwitchOn)
+        }
+}