HelpersTest.java revision 6eeee34a2cf4fb477cb789c7a232d09fc6565023 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.providers.downloads;
18
19import android.provider.Downloads;
20import android.test.AndroidTestCase;
21import android.test.suitebuilder.annotation.LargeTest;
22
23/**
24 * This test exercises methods in the {@Helpers} utility class.
25 */
26@LargeTest
27public class HelpersTest extends AndroidTestCase {
28
29    public HelpersTest() {
30    }
31
32    public void testGetFullPath() throws Exception {
33      String hint = "file:///com.android.providers.downloads/test";
34
35      // Test that an extension derived from the specified mime type is appended to a filename that
36      // does not itself have an extension.
37      String fileName = Helpers.getFullPath(
38          hint,
39          "video/mp4", // MIME type corresponding to file extension .mp4
40          Downloads.Impl.DESTINATION_FILE_URI,
41          null);
42      assertEquals(hint + ".mp4", fileName);
43
44      // Test that the filename extension is replaced by one derived from the specified mime type.
45      fileName = Helpers.getFullPath(
46          hint + ".shouldbereplaced",
47          "video/mp4", // MIME type corresponding to file extension .mp4
48          Downloads.Impl.DESTINATION_FILE_URI,
49          null);
50      assertEquals(hint + ".mp4", fileName);
51    }
52
53}
54