public void read_increments_hit_count()
{
var history = new PerformanceHistory();
for (var i = 0; i < 10; i++)
{
history.Read(new StubRequestLog());
history.HitCount.ShouldBe(i + 1);
}
}
public void increment_total_time()
{
var history = new PerformanceHistory();
history.Read(new StubRequestLog{ExecutionTime = 100});
history.Read(new StubRequestLog{ExecutionTime = 200});
history.Read(new StubRequestLog{ExecutionTime = 50});
history.Read(new StubRequestLog{ExecutionTime = 70});
history.TotalExecutionTime.ShouldBe(100 + 200 + 50 + 70);
}
public void calculate_average()
{
var history = new PerformanceHistory();
history.Read(new StubRequestLog { ExecutionTime = 100 });
history.Read(new StubRequestLog { ExecutionTime = 200 });
history.Read(new StubRequestLog { ExecutionTime = 50 });
history.Read(new StubRequestLog { ExecutionTime = 70 });
history.Average.ShouldBe((100 + 200 + 50 + 70) / 4);
}
public void calculate_exception_percentage()
{
var history = new PerformanceHistory();
history.Read(new StubRequestLog { ExecutionTime = 100 });
history.Read(new StubRequestLog { ExecutionTime = 200, HadException = true});
history.Read(new StubRequestLog { ExecutionTime = 50 });
history.Read(new StubRequestLog { ExecutionTime = 70, HadException = true});
history.Read(new StubRequestLog { ExecutionTime = 70 });
history.ExceptionPercentage.ShouldBe(40);
}
public void read_increments_exception_count_correctly()
{
var history = new PerformanceHistory();
history.Read(new StubRequestLog{HadException = false});
history.ExceptionCount.ShouldBe(0);
history.Read(new StubRequestLog { HadException = true });
history.ExceptionCount.ShouldBe(1);
history.Read(new StubRequestLog { HadException = true });
history.ExceptionCount.ShouldBe(2);
history.Read(new StubRequestLog { HadException = false });
history.ExceptionCount.ShouldBe(2);
}
public void read_stores_the_last_execution()
{
var history = new PerformanceHistory();
var log1 = new ChainExecutionLog();
var log2 = new ChainExecutionLog();
history.Read(log1);
history.LastExecution.ShouldBeTheSameAs(log1);
history.Read(log2);
history.LastExecution.ShouldBeTheSameAs(log2);
}
public void no_hits_means_zero_exception_percentage_and_zero_average()
{
var history = new PerformanceHistory();
history.Average.ShouldBe(0);
history.ExceptionPercentage.ShouldBe(0);
}
public void track_min_time()
{
var history = new PerformanceHistory();
history.Read(new StubRequestLog { ExecutionTime = 100 });
history.MinTime.ShouldBe(100);
history.Read(new StubRequestLog { ExecutionTime = 200 });
history.MinTime.ShouldBe(100);
history.Read(new StubRequestLog { ExecutionTime = 50 });
history.MinTime.ShouldBe(50);
history.Read(new StubRequestLog { ExecutionTime = 70 });
history.MinTime.ShouldBe(50);
}