forked from emilybache/TDDwithMockObjectsAndDesignPrinciples
/
AlarmTest.cs
46 lines (37 loc) · 1.44 KB
/
AlarmTest.cs
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using NUnit.Framework;
namespace TDDMicroExercises.OneSolution.TirePressureMonitoringSystem.Tests
{
[TestFixture]
public class AlarmTest
{
[Test]
public void a_normal_pressure_value_should_not_raise_the_alarm()
{
var stubSensor = new StubSensor();
stubSensor.StubCallToPopNextPressurePsiValue(Alarm.LowPressureThreshold);
var target = new Alarm(stubSensor);
target.Check();
Assert.AreEqual(false, target.AlarmOn, "alarm on");
}
[Test]
public void a_pressure_value_out_of_range_should_raise_the_alarm()
{
var stubSensor = new StubSensor();
stubSensor.StubCallToPopNextPressurePsiValue(Alarm.LowPressureThreshold -1);
var target = new Alarm(stubSensor);
target.Check();
Assert.AreEqual(true, target.AlarmOn, "alarm on");
}
[Test]
public void a_normal_pressure_value_after_an_out_of_range_pressure_value_should_keep_the_alarm_on()
{
var stubSensor = new StubSensor();
stubSensor.StubCallToPopNextPressurePsiValues(new[] { Alarm.LowPressureThreshold, Alarm.LowPressureThreshold - 1, Alarm.LowPressureThreshold });
var target = new Alarm(stubSensor);
target.Check();
target.Check();
target.Check();
Assert.AreEqual(true, target.AlarmOn, "alarm on");
}
}
}