github.com/onsi/gomega@v1.32.0/gmeasure/stopwatch_test.go (about)

     1  package gmeasure_test
     2  
     3  import (
     4  	"time"
     5  
     6  	. "github.com/onsi/ginkgo/v2"
     7  	. "github.com/onsi/gomega"
     8  	"github.com/onsi/gomega/gmeasure"
     9  )
    10  
    11  var _ = Describe("Stopwatch", func() {
    12  	var e *gmeasure.Experiment
    13  	var stopwatch *gmeasure.Stopwatch
    14  
    15  	BeforeEach(func() {
    16  		e = gmeasure.NewExperiment("My Test Experiment")
    17  		stopwatch = e.NewStopwatch()
    18  	})
    19  
    20  	It("records durations", func() {
    21  		time.Sleep(100 * time.Millisecond)
    22  		stopwatch.Record("recordings", gmeasure.Annotation("A"))
    23  		time.Sleep(100 * time.Millisecond)
    24  		stopwatch.Record("recordings", gmeasure.Annotation("B")).Reset()
    25  		time.Sleep(100 * time.Millisecond)
    26  		stopwatch.Record("recordings", gmeasure.Annotation("C")).Reset()
    27  		time.Sleep(100 * time.Millisecond)
    28  		stopwatch.Pause()
    29  		time.Sleep(100 * time.Millisecond)
    30  		stopwatch.Resume()
    31  		time.Sleep(100 * time.Millisecond)
    32  		stopwatch.Pause()
    33  		time.Sleep(100 * time.Millisecond)
    34  		stopwatch.Resume()
    35  		time.Sleep(100 * time.Millisecond)
    36  		stopwatch.Record("recordings", gmeasure.Annotation("D"))
    37  		durations := e.Get("recordings").Durations
    38  		annotations := e.Get("recordings").Annotations
    39  		Ω(annotations).Should(Equal([]string{"A", "B", "C", "D"}))
    40  		Ω(durations[0]).Should(BeNumerically("~", 100*time.Millisecond, 50*time.Millisecond))
    41  		Ω(durations[1]).Should(BeNumerically("~", 200*time.Millisecond, 50*time.Millisecond))
    42  		Ω(durations[2]).Should(BeNumerically("~", 100*time.Millisecond, 50*time.Millisecond))
    43  		Ω(durations[3]).Should(BeNumerically("~", 300*time.Millisecond, 50*time.Millisecond))
    44  
    45  	})
    46  
    47  	It("panics when asked to record but not running", func() {
    48  		stopwatch.Pause()
    49  		Ω(func() {
    50  			stopwatch.Record("A")
    51  		}).Should(PanicWith("stopwatch is not running - call Resume or Reset before calling Record"))
    52  	})
    53  
    54  	It("panics when paused but not running", func() {
    55  		stopwatch.Pause()
    56  		Ω(func() {
    57  			stopwatch.Pause()
    58  		}).Should(PanicWith("stopwatch is not running - call Resume or Reset before calling Pause"))
    59  	})
    60  
    61  	It("panics when asked to resume but not paused", func() {
    62  		Ω(func() {
    63  			stopwatch.Resume()
    64  		}).Should(PanicWith("stopwatch is running - call Pause before calling Resume"))
    65  	})
    66  })