Add unit test for AndroidLocalMediaFactory

libraries/mediaviewer/impl/build.gradle.kts

@@ -46,6 +46,7 @@ dependencies {
     testImplementation(libs.test.junit)
     testImplementation(libs.test.truth)
     testImplementation(libs.test.mockk)
+    testImplementation(libs.test.robolectric)
     testImplementation(libs.test.turbine)
     testImplementation(libs.coroutines.core)
     testImplementation(libs.coroutines.test)

libraries/mediaviewer/impl/src/test/kotlin/io/element/android/libraries/mediaviewer/impl/local/AndroidLocalMediaFactoryTest.kt

@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2023 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 io.element.android.libraries.mediaviewer.impl.local
+
+import com.google.common.truth.Truth.assertThat
+import io.element.android.libraries.androidutils.filesize.FakeFileSizeFormatter
+import io.element.android.libraries.core.mimetype.MimeTypes
+import io.element.android.libraries.matrix.api.media.MediaFile
+import io.element.android.libraries.matrix.test.media.FakeMediaFile
+import io.element.android.libraries.mediaviewer.api.local.LocalMedia
+import io.element.android.libraries.mediaviewer.api.local.MediaInfo
+import io.element.android.libraries.mediaviewer.api.local.anImageInfo
+import io.element.android.libraries.mediaviewer.api.util.FileExtensionExtractorWithoutValidation
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.RuntimeEnvironment
+
+@RunWith(RobolectricTestRunner::class)
+class AndroidLocalMediaFactoryTest {
+
+    @Test
+    fun `test AndroidLocalMediaFactory`() {
+        val sut = createAndroidLocalMediaFactory()
+        val result = sut.createFromMediaFile(aMediaFile(), anImageInfo())
+        assertThat(result.uri.toString()).endsWith("aPath")
+        assertThat(result.info).isEqualTo(
+            MediaInfo(
+                name = "an image file.jpg",
+                mimeType = MimeTypes.Jpeg,
+                formattedFileSize = "4MB",
+                fileExtension = "jpg",
+            )
+        )
+    }
+
+    private fun aMediaFile(): MediaFile {
+        return FakeMediaFile("aPath")
+    }
+
+    private fun createAndroidLocalMediaFactory(): AndroidLocalMediaFactory {
+        return AndroidLocalMediaFactory(
+            RuntimeEnvironment.getApplication(),
+            FakeFileSizeFormatter(),
+            FileExtensionExtractorWithoutValidation()
+        )
+    }
+}