tests: Added unit tests for the RemoteFilesRepository class.

Provides 100% coverage of the RemoteFilesRepository class.

src/test/java/com/owncloud/android/ui/activities/data/files/RemoteFilesRepositoryTest.java

@@ -0,0 +1,59 @@
+package com.owncloud.android.ui.activities.data.files;
+
+import com.owncloud.android.datamodel.OCFile;
+import com.owncloud.android.ui.activity.BaseActivity;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.verify;
+
+public class RemoteFilesRepositoryTest {
+
+    @Mock
+    private FilesServiceApi serviceApi;
+
+    @Mock
+    private FilesRepository.ReadRemoteFileCallback mockedReadRemoteFileCallback;
+
+    @Mock
+    private BaseActivity baseActivity;
+
+    @Captor
+    private ArgumentCaptor<FilesServiceApi.FilesServiceCallback> filesServiceCallbackCaptor;
+
+    private FilesRepository mFilesRepository;
+
+    private OCFile mOCFile = null;
+
+    @Before
+    public void setUpFilesRepository() {
+        MockitoAnnotations.initMocks(this);
+        mFilesRepository = new RemoteFilesRepository(serviceApi);
+    }
+
+    @Test
+    public void readRemoteFileReturnSuccess() {
+        mFilesRepository.readRemoteFile("path", baseActivity, true,
+                mockedReadRemoteFileCallback);
+        verify(serviceApi).readRemoteFile(eq("path"), eq(baseActivity), eq(true),
+                filesServiceCallbackCaptor.capture());
+        filesServiceCallbackCaptor.getValue().onLoaded(mOCFile);
+        verify(mockedReadRemoteFileCallback).onFileLoaded(eq(mOCFile));
+    }
+
+    @Test
+    public void readRemoteFileReturnError() {
+        mFilesRepository.readRemoteFile("path", baseActivity, true,
+                mockedReadRemoteFileCallback);
+        verify(serviceApi).readRemoteFile(eq("path"), eq(baseActivity), eq(true),
+                filesServiceCallbackCaptor.capture());
+        filesServiceCallbackCaptor.getValue().onError("error");
+        verify(mockedReadRemoteFileCallback).onFileLoadError(eq("error"));
+    }
+}