2011-05-26 Data driven test cases in NUnit

2011-05-26 data-driven-test-cases-in-nunit

# Title: Data driven test cases in NUnit
# Author: Mikael Lundin
# Link: http://blog.mikaellundin.name/2011/05/26/data-driven-test-cases-in-nunit.html

GetMassiveAmountOfUsers.cs

private IEnumerable MassiveAmountOfUsers
{
    get { return GetMassiveAmountOfUsers(); }
}
private IEnumerable GetMassiveAmountOfUsers()
{
    var doc = XDocument.Load("users.xml");
    return
        from user in doc.Descendants("user")
        let username = user.Attribute("username").Value
        let password = user.Attribute("password").Value
        let expected = user.Attribute("success").Value
            .Equals("true", StringComparison.InvariantCultureIgnoreCase)
 
        select new object[] { username, password, expected };
}

ShouldLogin.cs

[TestCaseSource("MassiveAmountOfUsers")]
public void ShouldLogin(string username, string password, bool expected)
{
    /* Setup */
    var repository = new UserRepository();
 
    /* Test */
    var result = repository.Authenticate(username, password);
 
    /* Assert */
    Assert.That(result, Is.EqualTo(expected));
}

Users.xml

<?xml version="1.0" encoding="utf-8" ?>
<users>
  <user username="fsse" password="dj7sihfs" success="true" />
  <user username="hgtd" password="sd122?=s" success="true" />
  <user username="asde" password="!!sf3mff" success="true" />
  <user username="bsfd" password="--sdfj+?" success="true" />
  <user username="aefb" password="!#¤%/(sd" success="true" />
  ...
</users>