public async Task HomePageViewModel_GetTaskListAsync_NoConnecteciont_Test()
{
TaskHomePageViewModel viewModel = new TaskHomePageViewModel(_navigationMock.Object, _pageDialogServiceMock.Object);
_platformServiceMock.Setup(method => method.IsConnected()).Returns(false);
await viewModel.GetTaskListAsync();
Assert.AreEqual <int>(viewModel.TaskList.Count, TaskMockData.ReturnServiceTaskList().Count);
}
public void Init()
{
_navigationMock = new Mock <INavigationService>();
_navigationMock.Setup(e => e.NavigateAsync("NavigationPage/TaskHomePage"));
//Mocking No Network alert view
_pageDialogServiceMock = new Mock <IPageDialogService>();
_pageDialogServiceMock.Setup(method => method.DisplayAlertAsync(AppConstants.AlertOfflineTitle, AppConstants.AlertOfflineInfo, AppConstants.AlertOkBtnTitle)).Returns(() =>
{
_alertCalled = true;
return(Task.FromResult(0));
});
//Mocking Empty Task Title alert view
_pageDialogServiceMock.Setup(method => method.DisplayAlertAsync(AppConstants.AppName, AppConstants.AlertEmptyFieldInfo, AppConstants.AlertOkBtnTitle)).Returns(() =>
{
_emptyTaskTitleAlertCalled = true;
return(Task.FromResult(0));
});
//Mocking Error alert view
_pageDialogServiceMock.Setup(method => method.DisplayAlertAsync(AppConstants.AppName, AppConstants.AlertErrorInfo, AppConstants.AlertOkBtnTitle)).Returns(() =>
{
_errorAlertCalled = true;
return(Task.FromResult(0));
});
//Mocking Task Services
_taskServiceMock = new Mock <ITasksService>();
_taskServiceMock.Setup(method => method.DeleteTaskAsync("1")).Returns(() => { return(Task.FromResult(1)); });
_taskServiceMock.Setup(method => method.GetTaskListAsync()).Returns(() => { return(Task.FromResult(TaskMockData.ReturnServiceTaskList())); });
_taskServiceMock.Setup(method => method.SaveTaskAsync(TaskMockData.ReturnServiceTaskList()[0])).Returns(() =>
{
return(Task.FromResult(TaskMockData.ReturnServiceTaskList()[0]));
});
//Mocking Task DB Calls
_dbMock = new Mock <IRepository <TodoDBItem> >();
_dbMock.Setup(method => method.Get()).Returns(() => { return(TaskMockData.ReturnDBTaskList()); });
_dbMock.Setup(method => method.DeleteAll()).Returns(Task.FromResult(0));
_dbMock.Setup(method => method.Delete(TaskMockData.ReturnDBTaskList()[0])).Returns(() => { return(Task.FromResult(1)); });
//Mocking Network Connectivity value
_platformServiceMock = new Mock <IPlatformService>();
_platformServiceMock.Setup(method => method.IsConnected()).Returns(true);
//Mocking Container instance
IocContainer.Instance.Container.UseInstance <IPlatformService>(_platformServiceMock.Object);
IocContainer.Instance.Container.UseInstance <ITasksService>(_taskServiceMock.Object);
IocContainer.Instance.Container.UseInstance <IRepository <TodoDBItem> >(_dbMock.Object);
}