public void Randomizer_Should_Return_Random_Entries_From_A_Collection()
{
var values = new List<string>();
for (int i = 0; i < 99; i++)
values.Add("UserNo" + i);
using (var randomizer = new Randomizer())
{
var firstValue = randomizer.Random(values);
var secondValue = randomizer.Random(values);
// Assert that in the list of 100 values, two randomly choses will not be the same
// Statitically, this is a rubbish test; there is always a slight probability the
// two values are the same
Assert.AreNotEqual(firstValue, secondValue);
}
}
public void Randomizer_Should_Give_Different_Results_Each_Time_Initialized()
{
// Arrange
var values = new List<string>();
for (int i = 0; i < 99; i++)
values.Add("UserNo" + i);
string firstValue = string.Empty, secondValue = string.Empty;
// Act - initialize two Randomizer instances and fetch a random value
using (var randomizer = new Randomizer()) {
firstValue = randomizer.Random(values);
}
using (var randomizer = new Randomizer()) {
secondValue = randomizer.Random(values);
}
// Assert - that in the list of lots of values, two randomly choses will not be the same
// Statitically, this is a rubbish test; there is always a slight probability the
// two values are the same
firstValue.Should().NotBe(secondValue, "multiple randomizers should give different results");
}
