public void Delete_ThrowsArgumentException_WhenCitiesAreRelatedToCountry()
{
// Arrange
var countries = new List <Country>
{
new Country {
Name = "TestCountry1", Id = 1
},
}.AsQueryable();
var cities = new List <City>
{
new City {
Name = "TestCity", Id = 1, CountryId = 1
}
}.AsQueryable();
var countryMockDbSet = new Mock <DbSet <Country> >();
countryMockDbSet.As <IQueryable <Country> >().Setup(m => m.Provider).Returns(countries.Provider);
countryMockDbSet.As <IQueryable <Country> >().Setup(m => m.Expression).Returns(countries.Expression);
countryMockDbSet.As <IQueryable <Country> >().Setup(m => m.ElementType).Returns(countries.ElementType);
countryMockDbSet.As <IQueryable <Country> >().Setup(m => m.GetEnumerator()).Returns(countries.GetEnumerator());
var cityMockDbSet = new Mock <DbSet <City> >();
cityMockDbSet.As <IQueryable <City> >().Setup(m => m.Provider).Returns(cities.Provider);
cityMockDbSet.As <IQueryable <City> >().Setup(m => m.Expression).Returns(cities.Expression);
cityMockDbSet.As <IQueryable <City> >().Setup(m => m.ElementType).Returns(cities.ElementType);
cityMockDbSet.As <IQueryable <City> >().Setup(m => m.GetEnumerator()).Returns(cities.GetEnumerator());
var mockContext = new Mock <EazyCartContext>();
mockContext.Setup(c => c.Countries).Returns(countryMockDbSet.Object);
mockContext.Setup(c => c.Cities).Returns(cityMockDbSet.Object);
var countryBusiness = new CountryBusiness(mockContext.Object);
// Act
try
{
int idToDelete = 1;
countryBusiness.Delete(idToDelete);
Assert.Fail("No exception was thrown.");
}
catch (ArgumentException exc)
{
string expectedMessage = "One or more cities are related to this country.";
Assert.AreEqual(expectedMessage, exc.Message, "Another exception was thrown.");
}
}
public void Delete_DeletesCountriesSuccessfully_WhenNoCitiesAreRelatedToCountry()
{
// Arrange
var countries = new List <Country>
{
new Country {
Name = "TestCountry1", Id = 1
},
new Country {
Name = "TestCountry2", Id = 2
},
}.AsQueryable();
var cities = new List <City>
{
new City {
Name = "TestCity", Id = 1, CountryId = 1
}
}.AsQueryable();
var countryMockDbSet = new Mock <DbSet <Country> >();
countryMockDbSet.As <IQueryable <Country> >().Setup(m => m.Provider).Returns(countries.Provider);
countryMockDbSet.As <IQueryable <Country> >().Setup(m => m.Expression).Returns(countries.Expression);
countryMockDbSet.As <IQueryable <Country> >().Setup(m => m.ElementType).Returns(countries.ElementType);
countryMockDbSet.As <IQueryable <Country> >().Setup(m => m.GetEnumerator()).Returns(countries.GetEnumerator());
var cityMockDbSet = new Mock <DbSet <City> >();
cityMockDbSet.As <IQueryable <City> >().Setup(m => m.Provider).Returns(cities.Provider);
cityMockDbSet.As <IQueryable <City> >().Setup(m => m.Expression).Returns(cities.Expression);
cityMockDbSet.As <IQueryable <City> >().Setup(m => m.ElementType).Returns(cities.ElementType);
cityMockDbSet.As <IQueryable <City> >().Setup(m => m.GetEnumerator()).Returns(cities.GetEnumerator());
var mockContext = new Mock <EazyCartContext>();
mockContext.Setup(c => c.Countries).Returns(countryMockDbSet.Object);
mockContext.Setup(c => c.Cities).Returns(cityMockDbSet.Object);
var countryBusiness = new CountryBusiness(mockContext.Object);
// Act
int idToDelete = 2;
countryBusiness.Delete(idToDelete);
// Assert
countryMockDbSet.Verify(x => x.Remove(It.IsAny <Country>()), Times.Once);
mockContext.Verify(x => x.SaveChanges(), Times.Once);
}
public void Delete(int id)
{
business.Delete(id);
}