public void Fact_CreatingContactShouldGenerateTimestamps()
{
// Arrange
var contact = new Models.Contact("John", "Smith", DateTime.Parse("01/01/1985"), "*****@*****.**");
// Act
dbContext.Contacts.Add(contact);
dbContext.SaveChanges();
// Assert
Assert.NotNull(contact.InsertedUtc);
Assert.NotNull(contact.UpdatedUtc);
Assert.True(contact.InsertedUtc >= DateTime.UtcNow.AddMinutes(-5));
Assert.True(contact.UpdatedUtc >= DateTime.UtcNow.AddMinutes(-5));
}
public void Fact_UpdatingContactShouldUpdateUpdatedTimestamp()
{
// Arrange
var contact = new Models.Contact("John", "Smith", DateTime.Parse("01/01/1985"), "*****@*****.**");
dbContext.Contacts.Add(contact);
dbContext.SaveChanges();
var initialUpdateTimeStamp = contact.UpdatedUtc;
// Act
contact.Surname = "Doe";
dbContext.Contacts.Update(contact);
dbContext.SaveChanges();
// Assert
Assert.True(contact.UpdatedUtc > initialUpdateTimeStamp);
}
public void Fact_CreatingContactWithSameEmailShouldFail()
{
// Arrange
var oldContact = new Models.Contact("John", "Smith", DateTime.Parse("01/01/1985"), "*****@*****.**");
dbContext.Contacts.Add(oldContact);
int oldChanges = dbContext.SaveChanges();
// Act
var newContact = new Models.Contact("Jane", "Doe", DateTime.Parse("01/01/1992"), "*****@*****.**");
int?newChanges = null;
var actualError = Assert.Throws <InvalidOperationException>(() =>
{
dbContext.Contacts.Add(newContact);
newChanges = dbContext.SaveChanges();
});
// Assert
Assert.True(oldChanges == 1);
Assert.True(newChanges == null || newChanges.Value == 0);
Assert.Contains("the same key value for {'Email'} is already being tracked", actualError.Message);
}
