public void Incr_WhenIncrementingNonExistentKey_ShouldReturn1(string key, string expectedResult)
{
//Arrange
var db = new SimpleCacheDb();
//Act
string value = db.Incr(key);
//Assert
Assert.Equal(expectedResult, value);
}
public void Incr_WhenIncrementingAnExistentKey_ValueShoudBeIncreasedBy1(string key, string initialValue, string expectedResult)
{
//Arrange
var db = new SimpleCacheDb();
//Act
db.Set(key, initialValue);
string increasedValue = db.Incr(key);
//Assert
Assert.Equal(expectedResult, increasedValue);
}
public void Incr_WhenIncrementingAKeyWithNonIntegerValue_ShouldThrowAnException()
{
//Arrange
var db = new SimpleCacheDb();
var key = "name";
var value = "Bob";
//Act
db.Set(key, value);
Action action = () => db.Incr(key);
//Assert
Assert.Throws <Exception>(action);
}
