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feat: add metrics (#3624)

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This commit is contained in:
MarkJoyMa
2023-10-26 23:51:28 +08:00
committed by GitHub
parent 199e86050e
commit c05e03bb5a
14 changed files with 759 additions and 29 deletions
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15
core/metric/histogram_test.go
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@@ -14,7 +14,7 @@ func TestNewHistogramVec(t *testing.T) {
Help: "rpc server requests duration(ms).",
Buckets: []float64{1, 2, 3},
})
defer histogramVec.close()
defer histogramVec.(*promHistogramVec).close()
histogramVecNil := NewHistogramVec(nil)
assert.NotNil(t, histogramVec)
assert.Nil(t, histogramVecNil)
@@ -28,9 +28,10 @@ func TestHistogramObserve(t *testing.T) {
Buckets: []float64{1, 2, 3},
Labels: []string{"method"},
})
defer histogramVec.close()
defer histogramVec.(*promHistogramVec).close()
hv, _ := histogramVec.(*promHistogramVec)
hv.Observe(2, "/Users")
hv.ObserveFloat(1.1, "/Users")
metadata := `
# HELP counts rpc server requests duration(ms).
@@ -38,11 +39,11 @@ func TestHistogramObserve(t *testing.T) {
`
val := `
counts_bucket{method="/Users",le="1"} 0
counts_bucket{method="/Users",le="2"} 1
counts_bucket{method="/Users",le="3"} 1
counts_bucket{method="/Users",le="+Inf"} 1
counts_sum{method="/Users"} 2
counts_count{method="/Users"} 1
counts_bucket{method="/Users",le="2"} 2
counts_bucket{method="/Users",le="3"} 2
counts_bucket{method="/Users",le="+Inf"} 2
counts_sum{method="/Users"} 3.1
counts_count{method="/Users"} 2
`
err := testutil.CollectAndCompare(hv.histogram, strings.NewReader(metadata+val))