public void Login_NullAsParameter_CannotExecute()
{
IUserRepository fakeUserRepository = A.Fake<IUserRepository>();
var fakeLogin = A.Fake<ILoginActions>();
List<string> parameters = new List<string> { null };
var login = new Login(fakeUserRepository, fakeLogin, parameters);
Assert.AreEqual(false, login.CanExecute());
}
public void Login_UserDoesntExist_CannotExecute()
{
const string NON_EXISTING_USER = "******";
IUserRepository fakeUserRepository = A.Fake<IUserRepository>();
var fakeLogin = A.Fake<ILoginActions>();
A.CallTo(() => fakeUserRepository.IsExists(NON_EXISTING_USER)).Returns(false);
List<string> parameters = new List<string> { NON_EXISTING_USER };
var login = new Login(fakeUserRepository, fakeLogin, parameters);
Assert.AreEqual(false, login.CanExecute());
}
public void Login_TooMuchParameters_CannotExecute()
{
const string SOME_PARAMETER_VALUE = "NonSegnificantValue";
IUserRepository fakeUserRepository = A.Fake<IUserRepository>();
var fakeLogin = A.Fake<ILoginActions>();
List<string> parameters = new List<string> { SOME_PARAMETER_VALUE, SOME_PARAMETER_VALUE };
var login = new Login(fakeUserRepository, fakeLogin, parameters);
Assert.AreEqual(false, login.CanExecute());
}
public void Login_UserExist_CommandPassed()
{
const string EXISTING_USER = "******";
IUserRepository fakeUserRepository = A.Fake<IUserRepository>();
var fakeLogin = A.Fake<ILoginActions>();
A.CallTo(() => fakeUserRepository.IsExists(EXISTING_USER)).Returns(true);
List<string> parameters = new List<string> { EXISTING_USER };
var login = new Login(fakeUserRepository, fakeLogin, parameters);
Assert.AreEqual(true, login.CanExecute());
Assert.AreEqual("OK", login.Execute());
}