public void AddCountry_SuccessfullyAddsACountry_WhenAllValuesAreCorrect()
{
// Arrange
var countries = new List <Country>().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 mockContext = new Mock <EazyCartContext>();
mockContext.Setup(m => m.Countries).Returns(countryMockDbSet.Object);
var countryBusiness = new CountryBusiness(mockContext.Object);
// Act
countryBusiness.Add("TestCountry", 1);
// Assert
countryMockDbSet.Verify(m => m.Add(It.IsAny <Country>()), Times.Once());
mockContext.Verify(m => m.SaveChanges(), Times.Once());
}
public Country Add(Country country)
{
try
{
var bc = new CountryBusiness();
return(bc.Add(country));
}
catch (Exception ex)
{
var httpError = new HttpResponseMessage()
{
StatusCode = (HttpStatusCode)422,
ReasonPhrase = ex.Message
};
throw new HttpResponseException(httpError);
}
}
public void AddCountry_ThrowsArgumentException_WhenIdIsDuplicate()
{
// Arrange
int duplicateId = 1;
var countries = new List <Country>
{
new Country {
Name = "TestCountry1", Id = duplicateId
},
}.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 mockContext = new Mock <EazyCartContext>();
mockContext.Setup(c => c.Countries).Returns(countryMockDbSet.Object);
mockContext.Setup(c => c.SaveChanges()).Throws(new Exception());
var countryBusiness = new CountryBusiness(mockContext.Object);
// Act & Assert
try
{
countryBusiness.Add("TestCountry1", duplicateId);
Assert.Fail("No exception was thrown");
}
catch (ArgumentException exc)
{
string expectedMessage = string.Format("Country with ID {0} already exists.", duplicateId);
Assert.AreEqual(expectedMessage, exc.Message, "Wrong exception is thrown");
}
}