public async Task BuildAsync_WhenDashboardIsNull_ThrowsArgumentNullException()
{
IDashboardSettings dashboardSettings = CreateDashboardSettings();
IDashboardNewsBuilder sut = CreateSut();
await sut.BuildAsync(dashboardSettings, null);
}
public async Task BuildAsync_WhenCalledAndExceptionOccurs_AssertHandleAsyncWasCalledOnExceptionHandler()
{
IDashboardSettings dashboardSettings = CreateDashboardSettings();
IDashboard dashboard = CreateDashboard();
Exception exception = new Exception();
IDashboardNewsBuilder sut = CreateSut(provokedException: exception);
await sut.BuildAsync(dashboardSettings, dashboard);
_exceptionHandlerMock.Verify(m => m.HandleAsync(It.Is <Exception>(ex => ex == exception)), Times.Once);
}
public async Task BuildAsync_WhenCalled_AssertReplaceWasCalledOnDashboardWithNews()
{
IEnumerable <INews> news = BuildNews(_random.Next(25, 75));
IDashboardSettings dashboardSettings = CreateDashboardSettings();
Mock <IDashboard> dashboardMock = CreateDashboardMock();
IDashboardNewsBuilder sut = CreateSut(news);
await sut.BuildAsync(dashboardSettings, dashboardMock.Object);
dashboardMock.Verify(m => m.Replace(It.Is <IEnumerable <INews> >(value => value == news)), Times.Once);
}
public async Task BuildAsync_WhenCalled_AssertGetNewsAsyncWasCalledOnNewsLogic()
{
int numberOfNews = _random.Next(25, 75);
IDashboardSettings dashboardSettings = CreateDashboardSettings(numberOfNews);
IDashboard dashboard = CreateDashboard();
IDashboardNewsBuilder sut = CreateSut();
await sut.BuildAsync(dashboardSettings, dashboard);
_newsLogicMock.Verify(m => m.GetNewsAsync(It.Is <int>(value => value == numberOfNews)), Times.Once);
}