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Merge pull request #6 from fuweid/remove-prom-deps
*: use list to track latencies
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| package metrics | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| func TestBuildPercentileLatencies(t *testing.T) { | ||
| ls := make([]float64, 100) | ||
| ls[0] = 50 | ||
| ls[1] = 49 | ||
| ls[2] = 1 | ||
| res := buildPercentileLatencies(ls) | ||
| assert.Equal(t, float64(0), res[0]) | ||
| assert.Equal(t, float64(0), res[50]) | ||
| assert.Equal(t, float64(0), res[90]) | ||
| assert.Equal(t, float64(0), res[95]) | ||
| assert.Equal(t, float64(49), res[99]) | ||
| assert.Equal(t, float64(50), res[100]) | ||
|
|
||
| ls = make([]float64, 1000) | ||
| ls[0] = 50 | ||
| ls[1] = 49 | ||
| ls[2] = -1 | ||
| res = buildPercentileLatencies(ls) | ||
| assert.Equal(t, float64(-1), res[0]) | ||
| assert.Equal(t, float64(0), res[50]) | ||
| assert.Equal(t, float64(0), res[90]) | ||
| assert.Equal(t, float64(0), res[95]) | ||
| assert.Equal(t, float64(0), res[99]) | ||
| assert.Equal(t, float64(50), res[100]) | ||
| } | ||
|
|
||
| func TestResponseMetric(t *testing.T) { | ||
| c := NewResponseMetric() | ||
| for i := 100; i > 0; i-- { | ||
| c.ObserveLatency(float64(i)) | ||
| } | ||
|
|
||
| _, res, _ := c.Gather() | ||
| assert.Equal(t, float64(1), res[0]) | ||
| assert.Equal(t, float64(50), res[50]) | ||
| assert.Equal(t, float64(90), res[90]) | ||
| assert.Equal(t, float64(95), res[95]) | ||
| assert.Equal(t, float64(99), res[99]) | ||
| assert.Equal(t, float64(100), res[100]) | ||
| } |
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