Write test for the use case.

vector/src/test/java/im/vector/app/core/utils/CheckWebViewPermissionsUseCaseTest.kt

@@ -0,0 +1,120 @@
+/*
+ * 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.core.utils
+
+import android.app.Activity
+import android.content.pm.PackageManager
+import android.net.Uri
+import android.webkit.PermissionRequest
+import androidx.core.content.ContextCompat.checkSelfPermission
+import io.mockk.MockKAnnotations
+import io.mockk.every
+import io.mockk.mockk
+import io.mockk.mockkStatic
+import io.mockk.unmockkStatic
+import org.amshove.kluent.shouldBe
+import org.junit.After
+import org.junit.Before
+import org.junit.Test
+
+class CheckWebViewPermissionsUseCaseTest {
+
+    private val checkWebViewPermissionsUseCase = CheckWebViewPermissionsUseCase()
+
+    private val activity = mockk<Activity>().apply {
+        every { applicationContext } returns mockk()
+    }
+
+    @Before
+    fun setup() {
+        MockKAnnotations.init(this)
+        mockkStatic("androidx.core.content.ContextCompat")
+    }
+
+    @After
+    fun tearDown() {
+        unmockkStatic("androidx.core.content.ContextCompat")
+    }
+
+    @Test
+    fun `given an audio permission is granted when the web client requests audio permission then use case returns true`() {
+        val permissionRequest = givenAPermissionRequest(arrayOf(PermissionRequest.RESOURCE_AUDIO_CAPTURE))
+
+        every { checkSelfPermission(activity.applicationContext, any()) } returns PackageManager.PERMISSION_GRANTED
+
+        checkWebViewPermissionsUseCase.execute(activity, permissionRequest) shouldBe true
+    }
+
+    @Test
+    fun `given a camera permission is granted when the web client requests video permission then use case returns true`() {
+        val permissionRequest = givenAPermissionRequest(arrayOf(PermissionRequest.RESOURCE_VIDEO_CAPTURE))
+
+        every { checkSelfPermission(activity.applicationContext, any()) } returns PackageManager.PERMISSION_GRANTED
+
+        checkWebViewPermissionsUseCase.execute(activity, permissionRequest) shouldBe true
+    }
+
+    @Test
+    fun `given an audio and camera permissions are granted when the web client requests audio and video permissions then use case returns true`() {
+        val permissionRequest = givenAPermissionRequest(arrayOf(PermissionRequest.RESOURCE_AUDIO_CAPTURE, PermissionRequest.RESOURCE_VIDEO_CAPTURE))
+
+        every { checkSelfPermission(activity.applicationContext, any()) } returns PackageManager.PERMISSION_GRANTED
+
+        checkWebViewPermissionsUseCase.execute(activity, permissionRequest) shouldBe true
+    }
+
+    @Test
+    fun `given an audio permission is granted but camera isn't when the web client requests audio and video permissions then use case returns false`() {
+        val permissionRequest = givenAPermissionRequest(arrayOf(PermissionRequest.RESOURCE_AUDIO_CAPTURE, PermissionRequest.RESOURCE_VIDEO_CAPTURE))
+
+        PERMISSIONS_FOR_AUDIO_IP_CALL.forEach {
+            every { checkSelfPermission(activity.applicationContext, it) } returns PackageManager.PERMISSION_GRANTED
+        }
+        PERMISSIONS_FOR_VIDEO_IP_CALL.forEach {
+            every { checkSelfPermission(activity.applicationContext, it) } returns PackageManager.PERMISSION_DENIED
+        }
+
+        checkWebViewPermissionsUseCase.execute(activity, permissionRequest) shouldBe false
+    }
+
+    @Test
+    fun `given an audio and camera permissions are granted when the web client requests another permission then use case returns false`() {
+        val permissionRequest = givenAPermissionRequest(arrayOf(PermissionRequest.RESOURCE_AUDIO_CAPTURE, PermissionRequest.RESOURCE_MIDI_SYSEX))
+
+        every { checkSelfPermission(activity.applicationContext, any()) } returns PackageManager.PERMISSION_GRANTED
+
+        checkWebViewPermissionsUseCase.execute(activity, permissionRequest) shouldBe false
+    }
+
+    private fun givenAPermissionRequest(resources: Array<String>): PermissionRequest {
+        return object : PermissionRequest() {
+            override fun getOrigin(): Uri {
+                return mockk()
+            }
+
+            override fun getResources(): Array<String> {
+                return resources
+            }
+
+            override fun grant(resources: Array<out String>?) {
+            }
+
+            override fun deny() {
+            }
+        }
+    }
+}