Test Model Helper

Test Model Helper is a C# library for generating test data for unit/functional/integration tests

Installing

Install-Package TestModelHelper

Or install the TestModelHelper in Visual Studio Nuget Package Manager

Using the Library

Examples shown using MSTest, but other test frameworks should work fine

    public class Person
    {
        public string FirstName { get; set; }
        public string LastName { get; set; }
    }

    [TestClass]
    public class ExampleTests
    {

        public TestModelHelper<Person> _testModelHelper;

        [TestInitialize]
        public void Setup()
        {
            _testModelHelper = new TestModelHelper<Person>(new Person
            {
                FirstName = "Charlie",
                LastName = "Awesomeguy"
            });
        }

        [TestMethod]
        public void Test1()
        {
            var validData = _testModelHelper.CreateOriginalTestData(); // Creates copy of original person
            var invalidData = _testModelHelper.CreateModifiedTestData(r => r.FirstName = "Someone"); // Created modified copy of original person

            Assert.AreEqual("Charlie", validData.FirstName); // Passes
            Assert.AreEqual("Charlie", invalidData.FirstName); // Fails
        }
    }

Available Methods

CreateOriginalTestData

Creates a copy of your original test model and returns it. Modifications to this test model will not effect the original

    var validTestData = _testModelHelper.CreateOriginalTestData();

CreateModifiedTestData

Creates a copy of your original test model, then runs the linq expression on it. This is meant to make invalid or modified test data for specific edge cases in applications

    var testData = _testModelHelper.CreateModifiedTestData(r => r.FirstName = "Someone");