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add unit test coverage

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Change-Id: Idfbc9e72f1e0051a9423b23d1f0397364bb3c251
This commit is contained in:
Han Kang
2022-09-26 09:13:41 -07:00
parent e95179ffb6
commit 5f5897798e
1 changed files with 9 additions and 2 deletions
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11
staging/src/k8s.io/component-base/featuregate/feature_gate_test.go
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@@ -429,22 +429,29 @@ func TestFeatureGateMetrics(t *testing.T) {
featuremetrics.ResetFeatureInfoMetric()
const testAlphaGate Feature = "TestAlpha"
const testBetaGate Feature = "TestBeta"
const testAlphaEnabled Feature = "TestAlphaEnabled"
const testBetaDisabled Feature = "TestBetaDisabled"
testedMetrics := []string{"kubernetes_feature_enabled"}
expectedOutput := `
# HELP kubernetes_feature_enabled [ALPHA] This metric records the data about the stage and enablement of a k8s feature.
# TYPE kubernetes_feature_enabled gauge
kubernetes_feature_enabled{name="TestAlpha",stage="ALPHA"} 0
kubernetes_feature_enabled{name="TestBeta",stage="BETA"} 1
kubernetes_feature_enabled{name="TestAlphaEnabled",stage="ALPHA"} 1
kubernetes_feature_enabled{name="AllAlpha",stage="ALPHA"} 0
kubernetes_feature_enabled{name="AllBeta",stage="BETA"} 0
kubernetes_feature_enabled{name="TestBetaDisabled",stage="ALPHA"} 0
`
f := NewFeatureGate()
fMap := map[Feature]FeatureSpec{
testAlphaGate: {Default: false, PreRelease: Alpha},
testBetaGate: {Default: true, PreRelease: Beta},
testAlphaGate: {Default: false, PreRelease: Alpha},
testAlphaEnabled: {Default: false, PreRelease: Alpha},
testBetaGate: {Default: true, PreRelease: Beta},
testBetaDisabled: {Default: true, PreRelease: Alpha},
}
f.Add(fMap)
f.SetFromMap(map[string]bool{"TestAlphaEnabled": true, "TestBetaDisabled": false})
f.AddMetrics()
if err := testutil.GatherAndCompare(legacyregistry.DefaultGatherer, strings.NewReader(expectedOutput), testedMetrics...); err != nil {
t.Fatal(err)