public void ReturnCorrectResult_WhenParameterIsValid()
{
// Arrange
var mockedDbContext = new Mock <IOnLineShopDbContext>();
var mockedSet = new Mock <DbSet <Category> >();
var fakeCategory = new Mock <Category>();
var validId = 15;
// Act
mockedDbContext.Setup(x => x.Set <Category>()).Returns(mockedSet.Object);
var mockedDbSet = new EfDbSetWrapper <Category>(mockedDbContext.Object);
mockedSet.Setup(x => x.Find(It.IsAny <int>())).Returns(fakeCategory.Object);
// Assert
Assert.That(mockedDbSet.GetById(validId), Is.Not.Null);
Assert.AreEqual(mockedDbSet.GetById(validId), fakeCategory.Object);
}
public void ThrowArgumentNullException_WhenEntityIsNull()
{
// Arange
var dbSetMock = new Mock <DbSet <User> >();
var contextMock = new Mock <IEfDbContext>();
contextMock.Setup(x => x.Set <User>()).Returns(dbSetMock.Object);
IEfDbSetWrapper <User> dbSetWrapper = new EfDbSetWrapper <User>(contextMock.Object);
// Act
var exception = Assert.Throws <ArgumentNullException>(() => dbSetWrapper.GetById(null));
// Assert
StringAssert.IsMatch("id", exception.ParamName);
}
public void InvokeFindMethod_WhenValidIdIsProvided()
{
// Arrange
var dbSetMock = new Mock <DbSet <User> >();
dbSetMock.Setup(x => x.Find(It.IsAny <Guid>())).Returns <User>(null);
var contextMock = new Mock <IEfDbContext>();
contextMock.Setup(x => x.Set <User>()).Returns(dbSetMock.Object);
IEfDbSetWrapper <User> dbSetWrapper = new EfDbSetWrapper <User>(contextMock.Object);
// Act
Guid validDataModelId = Guid.NewGuid();
var actualDataModel = dbSetWrapper.GetById(validDataModelId);
// Assert
dbSetMock.Verify(x => x.Find(validDataModelId), Times.Once());
}
