public void WithFields() { /* Given */ InterfaceDefinition original = @"interface Inf"; /* When */ var modified = original .WithFields(new List <FieldDefinition> { "field: String!" }); /* Then */ Assert.Null(original.Fields); Assert.NotNull(modified.Fields); Assert.NotEmpty(modified.Fields); }
public void WithFields_Modify() { /* Given */ InterfaceDefinition original = @"interface Inf { field: String }"; /* When */ var modified = original .WithFields(original .Fields? .Select(originalField => originalField .WithDescription("Description")) .ToList() ); /* Then */ Assert.NotNull(modified.Fields); var field = Assert.Single(modified.Fields); Assert.Equal("Description", field?.Description); }