public void ListOfUsersShouldBeComparedUsingKeys()
{
// Arrange
List <User> l1 = UserCollection1.ToList();
List <User> l2 = UserCollection2.ToList();
// Act
List <ObjectVariance> variances = ObjectComparer.GetObjectVariances(l1, l2).ToList();
// Assert
Assert.Empty(variances);
}
public void ListOfUsersWithDifferentKeysShouldYieldVariance()
{
// Arrange
List <User> l1 = UserCollection1.ToList();
List <User> l2 = UserCollection3.ToList();
// Act
List <ObjectVariance> variances = ObjectComparer.GetObjectVariances(l1, l2).ToList();
// Assert
Assert.NotEmpty(variances);
Assert.Equal(3, variances.Count);
Assert.Equal("Extra object in IEnumerable 1 with key {Id=3}", variances[0].PropertyName);
Assert.Equal(l1[2], variances[0].PropertyValue1);
Assert.Null(variances[0].PropertyValue2);
Assert.NotNull(variances[0].ParentVariance);
Assert.Equal(l1, variances[0].ParentVariance.PropertyValue1);
Assert.Equal(l2, variances[0].ParentVariance.PropertyValue2);
Assert.Null(variances[0].ParentVariance.PropertyName);
Assert.Null(variances[0].ParentVariance.ParentVariance);
Assert.Equal("Extra object in IEnumerable 2 with key {Id=4}", variances[1].PropertyName);
Assert.Null(variances[1].PropertyValue1);
Assert.Equal(l2[2], variances[1].PropertyValue2);
Assert.NotNull(variances[1].ParentVariance);
Assert.Equal(l1, variances[1].ParentVariance.PropertyValue1);
Assert.Equal(l2, variances[1].ParentVariance.PropertyValue2);
Assert.Null(variances[1].ParentVariance.PropertyName);
Assert.Null(variances[1].ParentVariance.ParentVariance);
Assert.Equal("Bar", variances[2].PropertyValue1);
Assert.Equal("Test", variances[2].PropertyValue2);
Assert.Equal("Name", variances[2].PropertyName);
Assert.NotNull(variances[2].ParentVariance);
Assert.Equal(l1[1], variances[2].ParentVariance.PropertyValue1);
Assert.Equal(l2[1], variances[2].ParentVariance.PropertyValue2);
Assert.Equal("{Id=2}", variances[2].ParentVariance.PropertyName);
Assert.NotNull(variances[2].ParentVariance.ParentVariance);
Assert.Equal(l1, variances[2].ParentVariance.ParentVariance.PropertyValue1);
Assert.Equal(l2, variances[2].ParentVariance.ParentVariance.PropertyValue2);
Assert.Null(variances[2].ParentVariance.ParentVariance.PropertyName);
}
public void DifferentLengthsOfUserListsReversedShouldAlsoReturnVariances()
{
// Arrange
List <User> l1 = UserCollection4.ToList();
List <User> l2 = UserCollection1.ToList();
// Act
List <ObjectVariance> variances = ObjectComparer.GetObjectVariances(l1, l2).ToList();
// Assert
Assert.NotEmpty(variances);
Assert.Equal(1, variances.Count);
Assert.Equal("Extra object in IEnumerable 1 with key {Id=4}", variances[0].PropertyName);
Assert.Equal(l1[3], variances[0].PropertyValue1);
Assert.Null(variances[0].PropertyValue2);
Assert.NotNull(variances[0].ParentVariance);
Assert.Equal(l1, variances[0].ParentVariance.PropertyValue1);
Assert.Equal(l2, variances[0].ParentVariance.PropertyValue2);
Assert.Null(variances[0].ParentVariance.PropertyName);
Assert.Null(variances[0].ParentVariance.ParentVariance);
}