public void Throw_ArgumentNullException_WhenUserId_IsNullOrEmpty()
{
// Arrange
string fakeUserId = "";
var testRepoStub = new Mock <IDataRepository <Test> >();
var dataSaverStub = new Mock <IDataSaver>();
var mappingProviderStub = new Mock <IMappingProvider>();
var categoryRepoStub = new Mock <IDataRepository <Category> >();
var userTestRepoStub = new Mock <IDataRepository <UserTest> >();
var timeProviderStub = new Mock <TimeProvider>();
var userTestService = new UserTestService(testRepoStub.Object, dataSaverStub.Object, mappingProviderStub.Object, userTestRepoStub.Object, timeProviderStub.Object);
Action executingAddUserToTestMethod = () => userTestService.CheckForOverdueTestInProgress(fakeUserId);
// Act & Assert
Assert.ThrowsException <ArgumentNullException>(executingAddUserToTestMethod);
}
public void Return_False_When_NoTestsInProggress_AreFound()
{
// Arrange
string fakeUserId = "userId";
var testRepoStub = new Mock <IDataRepository <Test> >();
var dataSaverStub = new Mock <IDataSaver>();
var mappingProviderStub = new Mock <IMappingProvider>();
var categoryRepoStub = new Mock <IDataRepository <Category> >();
var userTestRepoStub = new Mock <IDataRepository <UserTest> >();
var timeProviderStub = new Mock <TimeProvider>();
var userTestService = new UserTestService(testRepoStub.Object, dataSaverStub.Object, mappingProviderStub.Object, userTestRepoStub.Object, timeProviderStub.Object);
// Act
var result = userTestService.CheckForOverdueTestInProgress(fakeUserId);
// Assert
Assert.IsFalse(result);
}