Tests for MediaStore.Files
Bug 5810254
Exercise the files URI a bit. Just a bit...
Change-Id: I82d42377db703e47c1fb49909f1a80a24d9fbc40
diff --git a/tests/tests/provider/src/android/provider/cts/MediaStore_FilesTest.java b/tests/tests/provider/src/android/provider/cts/MediaStore_FilesTest.java
new file mode 100644
index 0000000..9432066
--- /dev/null
+++ b/tests/tests/provider/src/android/provider/cts/MediaStore_FilesTest.java
@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * 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 android.provider.cts;
+
+import android.content.ContentResolver;
+import android.content.ContentUris;
+import android.content.ContentValues;
+import android.database.Cursor;
+import android.net.Uri;
+import android.provider.MediaStore;
+import android.provider.MediaStore.MediaColumns;
+import android.test.AndroidTestCase;
+
+public class MediaStore_FilesTest extends AndroidTestCase {
+
+ private ContentResolver mResolver;
+
+ @Override
+ protected void setUp() throws Exception {
+ super.setUp();
+ mResolver = mContext.getContentResolver();
+ }
+
+ public void testGetContentUri() {
+ String volumeName = MediaStoreAudioTestHelper.EXTERNAL_VOLUME_NAME;
+ Uri allFilesUri = MediaStore.Files.getContentUri(volumeName);
+
+ // Get the current file count. We will check if this increases after
+ // adding a file to the provider.
+ int fileCount = getFileCount(allFilesUri);
+
+ // Check that inserting empty values causes an exception.
+ ContentValues values = new ContentValues();
+ try {
+ mResolver.insert(allFilesUri, values);
+ fail("Should throw an exception");
+ } catch (IllegalArgumentException e) {
+ // Expecting an exception
+ }
+
+ // Add a path for a file and check that the returned uri appends a
+ // path properly.
+ String dataPath = "does_not_really_exist.txt";
+ values.put(MediaColumns.DATA, dataPath);
+ Uri fileUri = mResolver.insert(allFilesUri, values);
+ long fileId = ContentUris.parseId(fileUri);
+ assertEquals(fileUri, ContentUris.withAppendedId(allFilesUri, fileId));
+
+ // Check that getContentUri with the file id produces the same url
+ Uri rowUri = MediaStore.Files.getContentUri(volumeName, fileId);
+ assertEquals(fileUri, rowUri);
+
+ // Check that the file count has increased.
+ int newFileCount = getFileCount(allFilesUri);
+ assertEquals(fileCount + 1, newFileCount);
+
+ // Check that the path we inserted was stored properly.
+ assertStringColumn(fileUri, MediaColumns.DATA, dataPath);
+
+ // Update the path and check that the database changed.
+ String updatedPath = "still_does_not_exist.txt";
+ values.put(MediaColumns.DATA, updatedPath);
+ assertEquals(1, mResolver.update(fileUri, values, null, null));
+ assertStringColumn(fileUri, MediaColumns.DATA, updatedPath);
+
+ // Delete the file and observe that the file count decreased.
+ assertEquals(1, mResolver.delete(fileUri, null, null));
+ assertEquals(fileCount, getFileCount(allFilesUri));
+
+ // Make sure the deleted file is not returned by the cursor.
+ Cursor cursor = mResolver.query(fileUri, null, null, null, null);
+ try {
+ assertFalse(cursor.moveToNext());
+ } finally {
+ cursor.close();
+ }
+ }
+
+ private int getFileCount(Uri uri) {
+ Cursor cursor = mResolver.query(uri, null, null, null, null);
+ try {
+ return cursor.getCount();
+ } finally {
+ cursor.close();
+ }
+ }
+
+ private void assertStringColumn(Uri fileUri, String columnName, String expectedValue) {
+ Cursor cursor = mResolver.query(fileUri, null, null, null, null);
+ try {
+ assertTrue(cursor.moveToNext());
+ int index = cursor.getColumnIndexOrThrow(columnName);
+ assertEquals(expectedValue, cursor.getString(index));
+ } finally {
+ cursor.close();
+ }
+ }
+}
