@Test
public void readAndSave_deleteAndRenameTempFileTest() throws MalformedURLException, IOException {
final File cache = folder.newFile(); // cache file does not exist
// Assert.assertTrue(temp.length() == 0); // does not work on any system
Assert.assertTrue(FileUtil.isEmpty(cache, DataStore.DEFAULT_CHARSET));
// file will be created
CachingXmlDataStore.readAndSave(DATA_URL, cache, CHARSET);
Assert.assertTrue(cache.length() >= 722015);
// file will be overwritten (delete and rename)
CachingXmlDataStore.readAndSave(DATA_URL, cache, CHARSET);
Assert.assertTrue(cache.length() >= 722015);
}
@Test
public void readAndSave_renamingFailsTest() throws MalformedURLException, IOException {
final File cache = folder.newFile(); // cache file does not exist
final IMockBuilder<File> builder = EasyMock.createMockBuilder(File.class);
builder.withConstructor(URI.class);
builder.withArgs(cache.toURI());
final File fileMock = builder.addMockedMethod("renameTo", File.class).createMock();
EasyMock.expect(fileMock.renameTo(EasyMock.anyObject(File.class))).andReturn(false).anyTimes();
EasyMock.replay(fileMock);
// Assert.assertTrue(temp.length() == 0); // does not work on any system
Assert.assertTrue(FileUtil.isEmpty(fileMock, DataStore.DEFAULT_CHARSET));
// file will be created
CachingXmlDataStore.readAndSave(DATA_URL, fileMock, CHARSET);
Assert.assertTrue(fileMock.length() >= 722015);
// file will be overwritten (delete and rename)
CachingXmlDataStore.readAndSave(DATA_URL, fileMock, CHARSET);
Assert.assertTrue(fileMock.length() >= 722015);
}