@Test
public void getFromNonExistingNameSpace() {
assertEquals(0, store.sizeOfNamespace(NAMESPACE1));
Serializable retrievedValue = store.get(NAMESPACE1, KEY1);
assertNull(retrievedValue);
}
@Test
public void deleteFromNonExistingNamespace() {
assertEquals(0, store.countNamespaces());
assertEquals(0, store.sizeOfNamespace(NAMESPACE1));
store.delete(NAMESPACE1, KEY1);
assertEquals(0, store.countNamespaces());
assertEquals(0, store.sizeOfNamespace(NAMESPACE1));
}
@Test
public void putNull() {
Serializable value = null;
assertEquals(0, store.countNamespaces());
store.put(NAMESPACE1, KEY1, value);
assertEquals(1, store.countNamespaces());
assertEquals(1, store.sizeOfNamespace(NAMESPACE1));
}
@Test
public void putToEmptyStoreCreatesNamespace() {
Serializable value = "value";
assertEquals(0, store.countNamespaces());
store.put(NAMESPACE1, KEY1, value);
assertEquals(1, store.countNamespaces());
assertEquals(1, store.sizeOfNamespace(NAMESPACE1));
}
@Test
public void deleteExistingKey() {
Serializable value = "value";
store.put(NAMESPACE1, KEY1, value);
assertEquals(1, store.sizeOfNamespace(NAMESPACE1));
store.delete(NAMESPACE1, KEY1);
assertEquals(0, store.sizeOfNamespace(NAMESPACE1));
}
@Test
public void getNonExistingKey() {
Serializable value = "value";
store.put(NAMESPACE1, KEY1, value);
assertEquals(1, store.sizeOfNamespace(NAMESPACE1));
Serializable retrievedValue = store.get(NAMESPACE1, KEY2);
assertNull(retrievedValue);
}
@Test
public void getReturnsCopyOfOriginalValue() {
Serializable value = "value";
store.put(NAMESPACE1, KEY1, value);
Serializable retrievedValue = store.get(NAMESPACE1, KEY1);
assertEquals(value, retrievedValue);
assertNotSame(value, retrievedValue);
}
@Test
public void getExistingKey() {
Serializable value = "value";
store.put(NAMESPACE1, KEY1, value);
Serializable retrievedValue = store.get(NAMESPACE1, KEY1);
assertNotNull(retrievedValue);
assertEquals(value, retrievedValue);
}
@Test
public void ensurePutStoresCopyOfValue() {
ArrayList<Integer> value = new ArrayList<>();
store.put(NAMESPACE1, KEY1, value);
value.add(42);
assertFalse(value.isEmpty());
ArrayList storedValue = (ArrayList) store.get(NAMESPACE1, KEY1);
assertTrue(storedValue.isEmpty());
}
@Test
public void putDifferentKeysToSameNamespace() {
Serializable value = "value";
assertEquals(0, store.countNamespaces());
store.put(NAMESPACE1, KEY1, value);
store.put(NAMESPACE1, KEY2, value);
assertEquals(1, store.countNamespaces());
assertEquals(2, store.sizeOfNamespace(NAMESPACE1));
}