@Test
public void testRemoveCalledForCorrectExistentKey()
throws IOException, DatabaseCorruptedException {
DataFile test = new DataFile(testDir, new Coordinates(folderIndex, fileIndex), table, provider);
test.put(correctKey1, testStoreableValue);
assertEquals(testStoreableValue, test.remove(correctKey1));
}
@Test
public void testSizeMethod() throws IOException, DatabaseCorruptedException {
DataFile test = new DataFile(testDir, new Coordinates(folderIndex, fileIndex), table, provider);
test.put(correctKey1, testStoreableValue);
assertEquals(test.size(), 1);
test.remove(correctKey1);
assertEquals(test.size(), 0);
}
@Test
public void testSavingEmptyDataFileToDisk() throws IOException, DatabaseCorruptedException {
DataFile test = new DataFile(testDir, new Coordinates(folderIndex, fileIndex), table, provider);
test.put(correctKey1, testStoreableValue);
test.remove(correctKey1);
test.commit();
test = new DataFile(testDir, new Coordinates(folderIndex, fileIndex), table, provider);
assertTrue(test.list().isEmpty());
}
@Test
public void testWritingNewFileToDiskAndThenReadingIt()
throws IOException, DatabaseCorruptedException {
DataFile test = new DataFile(testDir, new Coordinates(folderIndex, fileIndex), table, provider);
String[] keyList = {correctKey1, correctKey2};
test.put(keyList[0], testStoreableValue);
test.put(keyList[1], testStoreableValue);
test.commit();
assertArrayEquals(keyList, test.list().toArray());
}
@Test
public void testPutKeysAndThenCallList() throws IOException, DatabaseCorruptedException {
DataFile test = new DataFile(testDir, new Coordinates(folderIndex, fileIndex), table, provider);
test.put(correctKey1, testStoreableValue);
test.put(correctKey2, testStoreableValue);
Set<String> expectedKeySet = new HashSet<>();
expectedKeySet.add(correctKey1);
expectedKeySet.add(correctKey2);
Set<String> actualKeySet = new HashSet<>();
actualKeySet.addAll(test.list());
assertEquals(expectedKeySet, actualKeySet);
}
@Test
public void testPutCalledTwiceForSameKey() throws IOException, DatabaseCorruptedException {
DataFile test = new DataFile(testDir, new Coordinates(folderIndex, fileIndex), table, provider);
assertEquals(null, test.put(correctKey1, testStoreableValue));
assertEquals(testStoreableValue, test.put(correctKey1, testStoreableValue));
}
@Test(expected = IllegalArgumentException.class)
public void testPutThrowsExceptionForCorrectKeyAndNullValue()
throws IOException, DatabaseCorruptedException {
DataFile test = new DataFile(testDir, new Coordinates(folderIndex, fileIndex), table, provider);
test.put(correctKey1, null);
}
@Test(expected = IllegalArgumentException.class)
public void testPutThrowsExceptionForKeyNotFromThisDataFile()
throws IOException, DatabaseCorruptedException {
DataFile test = new DataFile(testDir, new Coordinates(folderIndex, fileIndex), table, provider);
test.put(wrongKey, testStoreableValue);
}
