Add unit tests for copy file use case

owncloudDomain/src/test/java/com/owncloud/android/domain/files/usecases/CopyFileUseCaseTest.kt

@@ -0,0 +1,99 @@
+/**
+ * ownCloud Android client application
+ *
+ * @author Abel García de Prada
+ * Copyright (C) 2021 ownCloud GmbH.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.owncloud.android.domain.files.usecases
+
+import com.owncloud.android.domain.exceptions.CopyIntoDescendantException
+import com.owncloud.android.domain.exceptions.UnauthorizedException
+import com.owncloud.android.domain.files.FileRepository
+import com.owncloud.android.testutil.OC_FILE
+import com.owncloud.android.testutil.OC_FOLDER
+import io.mockk.every
+import io.mockk.spyk
+import io.mockk.verify
+import org.junit.Assert.assertTrue
+import org.junit.Test
+
+class CopyFileUseCaseTest {
+    private val repository: FileRepository = spyk()
+    private val useCase = CopyFileUseCase(repository)
+    private val useCaseParams = CopyFileUseCase.Params(
+        listOfFilesToCopy = listOf(OC_FILE.copy(remotePath = "/video.mp4")),
+        targetFolder = OC_FOLDER
+    )
+
+    @Test
+    fun `copy file - ok`() {
+        every { repository.copyFile(any(), any()) } returns Unit
+
+        val useCaseResult = useCase.execute(useCaseParams)
+
+        assertTrue(useCaseResult.isSuccess)
+
+        verify(exactly = 1) { repository.copyFile(any(), any()) }
+    }
+
+    @Test
+    fun `copy file - ko - empty list`() {
+        val useCaseResult = useCase.execute(useCaseParams.copy(listOfFilesToCopy = listOf(), targetFolder = OC_FOLDER))
+
+        assertTrue(useCaseResult.isError)
+        assertTrue(useCaseResult.getThrowableOrNull() is IllegalArgumentException)
+
+        verify(exactly = 0) { repository.copyFile(any(), any()) }
+    }
+
+    @Test
+    fun `copy file - ko - single copy into descendant`() {
+        val useCaseParams = CopyFileUseCase.Params(
+            listOf(OC_FOLDER.copy(remotePath = "/Directory")),
+            OC_FOLDER.copy(remotePath = "/Directory/Descendant/")
+        )
+        val useCaseResult = useCase.execute(useCaseParams)
+
+        assertTrue(useCaseResult.isError)
+        assertTrue(useCaseResult.getThrowableOrNull() is CopyIntoDescendantException)
+
+        verify(exactly = 0) { repository.copyFile(any(), any()) }
+    }
+
+    @Test
+    fun `copy file - ko - multiple copy into descendant`() {
+        val useCaseParams = CopyFileUseCase.Params(
+            listOf(OC_FOLDER.copy(remotePath = "/Directory"), OC_FILE.copy(remotePath = "/Document.pdf")),
+            OC_FOLDER.copy(remotePath = "/Directory/Descendant/")
+        )
+        val useCaseResult = useCase.execute(useCaseParams)
+
+        assertTrue(useCaseResult.isSuccess)
+
+        verify(exactly = 1) { repository.copyFile(any(), any()) }
+    }
+
+    @Test
+    fun `copy file - ko - other exception`() {
+        every { repository.copyFile(any(), any()) } throws UnauthorizedException()
+
+        val useCaseResult = useCase.execute(useCaseParams)
+
+        assertTrue(useCaseResult.isError)
+        assertTrue(useCaseResult.getThrowableOrNull() is UnauthorizedException)
+
+        verify(exactly = 1) { repository.copyFile(any(), any()) }
+    }
+}