public void DetailsFactory_ContractWithNull(int pin, string expectedDetails)
{
// Arrange
var rules = new List <Func <Employee, string> >
{
DetailsFactory.CreateEmployeePinDivisibilityRule(new[] { 3, 7 }, "divided_by_3_and_7"),
DetailsFactory.CreateEmployeePinDivisibilityRule(new[] { 3 }, "divided_by_3"),
DetailsFactory.CreateEmployeePinDivisibilityRule(new[] { 7 }, "divided_by_7")
};
var detailsFactory = DetailsFactory.Create(rules);
var employee = new Employee {
Pin = pin
};
// Act
var details = detailsFactory.GetDetails(employee);
// Assert
Assert.AreEqual(expectedDetails, details);
}
public void EnumerateEmployeesWithNonEmptyDetails_Algorithm()
{
int count_total = 10;
// Arrange
var employees = Enumerable.Range(1, count_total).Select(i => new Employee {
Pin = i
}).ToList();
var rules = new List <Func <Employee, string> >
{
DetailsFactory.CreateEmployeePinDivisibilityRule(new[] { 2 }, "divided_by_2")
};
var detailsFactory = DetailsFactory.Create(rules);
// Act
var employeesWithDetails = EmployeeWithDetails.EnumerateEmployeesWithNonEmptyDetails(employees, detailsFactory).ToList();
// Assert
Assert.AreEqual(count_total, employees.Count);
Assert.AreEqual(count_total / 2, employeesWithDetails.Count);
}
