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package gmeasure_test
import (
"time"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
"github.com/onsi/gomega/gmeasure"
)
var _ = Describe("Stopwatch", func() {
var e *gmeasure.Experiment
var stopwatch *gmeasure.Stopwatch
BeforeEach(func() {
e = gmeasure.NewExperiment("My Test Experiment")
stopwatch = e.NewStopwatch()
})
It("records durations", func() {
time.Sleep(100 * time.Millisecond)
stopwatch.Record("recordings", gmeasure.Annotation("A"))
time.Sleep(100 * time.Millisecond)
stopwatch.Record("recordings", gmeasure.Annotation("B")).Reset()
time.Sleep(100 * time.Millisecond)
stopwatch.Record("recordings", gmeasure.Annotation("C")).Reset()
time.Sleep(100 * time.Millisecond)
stopwatch.Pause()
time.Sleep(100 * time.Millisecond)
stopwatch.Resume()
time.Sleep(100 * time.Millisecond)
stopwatch.Pause()
time.Sleep(100 * time.Millisecond)
stopwatch.Resume()
time.Sleep(100 * time.Millisecond)
stopwatch.Record("recordings", gmeasure.Annotation("D"))
durations := e.Get("recordings").Durations
annotations := e.Get("recordings").Annotations
Ω(annotations).Should(Equal([]string{"A", "B", "C", "D"}))
Ω(durations[0]).Should(BeNumerically("~", 100*time.Millisecond, 50*time.Millisecond))
Ω(durations[1]).Should(BeNumerically("~", 200*time.Millisecond, 50*time.Millisecond))
Ω(durations[2]).Should(BeNumerically("~", 100*time.Millisecond, 50*time.Millisecond))
Ω(durations[3]).Should(BeNumerically("~", 300*time.Millisecond, 50*time.Millisecond))
})
It("panics when asked to record but not running", func() {
stopwatch.Pause()
Ω(func() {
stopwatch.Record("A")
}).Should(PanicWith("stopwatch is not running - call Resume or Reset before calling Record"))
})
It("panics when paused but not running", func() {
stopwatch.Pause()
Ω(func() {
stopwatch.Pause()
}).Should(PanicWith("stopwatch is not running - call Resume or Reset before calling Pause"))
})
It("panics when asked to resume but not paused", func() {
Ω(func() {
stopwatch.Resume()
}).Should(PanicWith("stopwatch is running - call Pause before calling Resume"))
})
})
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