public void WorkCorrectlyIfDbContextPassedIsValid()
{
// Arrange
var mockedDbContext = new Mock <IComicShopDbContext>();
var mockedModel = new Mock <DbSet <IComic> >();
// Act
mockedDbContext.Setup(x => x.Set <IComic>()).Returns(mockedModel.Object);
var dataProvider = new EfComicShopDataProvider <IComic>(mockedDbContext.Object);
// Assert
Assert.That(dataProvider, Is.Not.Null);
}
public void SetDbSetCorrectlyWhenValidArgumentsPassed()
{
// Arrange
var mockedContext = new Mock <IComicShopDbContext>();
var mockedModel = new Mock <DbSet <IComic> >();
// Act
mockedContext.Setup(x => x.Set <IComic>()).Returns(mockedModel.Object);
var repository = new EfComicShopDataProvider <IComic>(mockedContext.Object);
// Assert
Assert.That(repository.DbSet, Is.Not.Null);
Assert.That(repository.DbSet, Is.EqualTo(mockedModel.Object));
}
public void AllShouldReturnEntitiesOfGivenSet()
{
// Arrange
var mockedDbContext = new Mock <IComicShopDbContext>();
var mockedSet = new Mock <DbSet <IComic> >();
// Act
mockedDbContext.Setup(x => x.Set <IComic>()).Returns(mockedSet.Object);
var dataProvider = new EfComicShopDataProvider <IComic>(mockedDbContext.Object);
// Assert
Assert.NotNull(dataProvider.All());
Assert.IsInstanceOf(typeof(DbSet <IComic>), dataProvider.All());
}
public void BeCalledWhenDisposingProvider()
{
// Arrange
var mockedSet = new Mock <DbSet <IComic> >();
var mockedDbContext = new Mock <IComicShopDbContext>();
mockedDbContext.Setup(x => x.Set <IComic>()).Returns(mockedSet.Object);
var dataProvider = new EfComicShopDataProvider <IComic>(mockedDbContext.Object);
// Act
dataProvider.Dispose();
// Assert
mockedDbContext.Verify(x => x.Dispose(), Times.Once);
}
public void ThrowNullReferenceExceptionWhenPassedArgumentIsNull()
{
// Arrange
var mockedDbContext = new Mock <IComicShopDbContext>();
var mockedSet = new Mock <DbSet <IComic> >();
// Act
mockedDbContext.Setup(set => set.Set <IComic>()).Returns(mockedSet.Object);
var dataProvider = new EfComicShopDataProvider <IComic>(mockedDbContext.Object);
IComic entity = null;
// Assert
Assert.That(() => dataProvider.Update(entity),
Throws.InstanceOf <NullReferenceException>());
}
public void ReturnCorrectResultWhenParameterIsValid()
{
// Arrange
var mockedDbSet = new Mock <DbSet <IComic> >();
var mockedDbContext = new Mock <IComicShopDbContext>();
var fakeAdvert = new Mock <IComic>();
var validId = 15;
// Act
mockedDbContext.Setup(mock => mock.Set <IComic>()).Returns(mockedDbSet.Object);
var dataProvider = new EfComicShopDataProvider <IComic>(mockedDbContext.Object);
mockedDbSet.Setup(x => x.Find(It.IsAny <int>())).Returns(fakeAdvert.Object);
// Assert
Assert.That(dataProvider.GetById(validId), Is.Not.Null);
Assert.AreEqual(dataProvider.GetById(validId), fakeAdvert.Object);
}
public void BeCalledWhenInvoked()
{
// Arrange
var mockedSet = new Mock <DbSet <IComic> >();
var mockedDbContext = new Mock <IComicShopDbContext>();
mockedDbContext.Setup(x => x.Set <IComic>()).Returns(mockedSet.Object);
var dataProvider = new EfComicShopDataProvider <IComic>(mockedDbContext.Object);
var mockedAdvert = new Mock <IComic>();
// Act
try
{
dataProvider.Detach(mockedAdvert.Object);
}
catch (NullReferenceException) { };
// Assert
mockedDbContext.Verify(x => x.Entry(mockedAdvert.Object), Times.AtLeastOnce);
}