Write unit test for toggling ip address visibility.

vector/src/test/java/im/vector/app/features/settings/devices/v2/ToggleIpAddressVisibilityUseCaseTest.kt

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2022 New Vector Ltd
+ *
+ * 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 im.vector.app.features.settings.devices.v2
+
+import im.vector.app.test.fakes.FakeVectorPreferences
+import org.junit.Test
+
+class ToggleIpAddressVisibilityUseCaseTest {
+
+    private val fakeVectorPreferences = FakeVectorPreferences()
+
+    private val toggleIpAddressVisibilityUseCase = ToggleIpAddressVisibilityUseCase(
+            vectorPreferences = fakeVectorPreferences.instance,
+    )
+
+    @Test
+    fun `given ip addresses are currently visible then then visibility is set as false`() {
+        // Given
+        fakeVectorPreferences.givenShowIpAddressInSessionManagerScreens(true)
+
+        // When
+        toggleIpAddressVisibilityUseCase.execute()
+
+        // Then
+        fakeVectorPreferences.verifySetIpAddressVisibilityInDeviceManagerScreens(false)
+    }
+
+    @Test
+    fun `given ip addresses are currently not visible then then visibility is set as true`() {
+// Given
+        fakeVectorPreferences.givenShowIpAddressInSessionManagerScreens(false)
+
+        // When
+        toggleIpAddressVisibilityUseCase.execute()
+
+        // Then
+        fakeVectorPreferences.verifySetIpAddressVisibilityInDeviceManagerScreens(true)
+    }
+}

vector/src/test/java/im/vector/app/test/fakes/FakeVectorPreferences.kt

@@ -77,4 +77,12 @@ class FakeVectorPreferences {
     fun givenIsBackgroundSyncEnabled(isEnabled: Boolean) {
         every { instance.isBackgroundSyncEnabled() } returns isEnabled
     }
+
+    fun givenShowIpAddressInSessionManagerScreens(show: Boolean) {
+        every { instance.showIpAddressInSessionManagerScreens() } returns show
+    }
+
+    fun verifySetIpAddressVisibilityInDeviceManagerScreens(isVisible: Boolean) {
+        verify { instance.setIpAddressVisibilityInDeviceManagerScreens(isVisible) }
+    }
 }