@Test
public void testDeleteItemFail() throws Exception {
when(mRepository.delete(anyLong())).thenReturn(Observable.just(false));
fetchData();
mViewModel.deleteItem(0).toBlocking().single();
assertThat(mViewModel.getTodoItems()).hasSize(3);
assertEquals(View.GONE, mViewModel.getAlertVisibility().get());
}
@Test
public void testDeleteItemSuccess() throws Exception {
when(mRepository.delete(anyLong())).thenReturn(Observable.just(true));
fetchData();
for (int i = 0; i < 3; i++) mViewModel.deleteItem(0).toBlocking().single();
assertThat(mViewModel.getTodoItems()).hasSize(0);
assertEquals(View.VISIBLE, mViewModel.getAlertVisibility().get());
}
@Test
public void testCheckChangeItemFail() throws Exception {
when(mRepository.createOrUpdate(any(Todo.class)))
.thenReturn(
Observable.create(
(Observable.OnSubscribe<Todo>)
subscriber -> {
try {
throw new Exception("error");
} catch (Exception ex) {
subscriber.onError(ex);
}
}));
fetchData();
mViewModel
.checkChangeItem(mItemViewModelList.get(0))
.subscribeOn(Schedulers.immediate())
.subscribe(
todo -> {
fail("Should not success");
},
throwable -> {
assertEquals("error", throwable.getMessage());
});
assertFalse(mItemViewModelList.get(0).isCompleted());
}
@Test
public void testUpdate() throws Exception {
fetchData();
Todo todo = DataUtils.provideTodo();
todo.setId(0L);
mViewModel.update(todo);
assertEquals("title", mItemViewModelList.get(0).getTitle());
}
@Test
public void testUpdateNotFound() throws Exception {
fetchData();
Todo todo = DataUtils.provideTodo();
todo.setId(100L);
mViewModel.update(todo);
for (int i = 0; i < 3; i++) {
assertNotEquals(Long.valueOf(100), mItemViewModelList.get(i).getTodo().getId());
assertNotEquals("title", mItemViewModelList.get(i).getTodo().getTitle());
}
}
@Test
public void testCheckChangeItemSuccess() throws Exception {
when(mRepository.createOrUpdate(any(Todo.class)))
.thenAnswer(
invocation -> {
Object[] args = invocation.getArguments();
return Observable.just((Todo) args[0]);
});
fetchData();
mViewModel.checkChangeItem(mItemViewModelList.get(0)).toBlocking().single();
assertTrue(mItemViewModelList.get(0).isCompleted());
}
@Test
public void testGetAlertVisibilityGone() throws Exception {
fetchData();
assertEquals(View.GONE, mViewModel.getAlertVisibility().get());
}
@Test
public void testGetAlertVisibilityVisibleNoItem() throws Exception {
when(mRepository.getAll()).thenReturn(Observable.just(DataUtils.provideEmptyList()));
mViewModel.fetchAllTodo().toBlocking().single();
assertEquals(View.VISIBLE, mViewModel.getAlertVisibility().get());
}
@Test
public void testGetAlertVisibilityOnStart() throws Exception {
assertEquals(View.GONE, mViewModel.getAlertVisibility().get());
}
private void fetchData() {
mViewModel.fetchAllTodo().toBlocking().single();
mItemViewModelList = mViewModel.getTodoItems();
}
@Test
public void testInsert() throws Exception {
mViewModel.insert(DataUtils.provideTodo());
assertEquals(View.GONE, mViewModel.getAlertVisibility().get());
}
