Add the missing test suite for the metrics (#5039)

Signed-off-by: Vincent Hou <[email protected]>

Author: Vincent

internal/annotations/metrics/metrics_suite_test.go

@@ -0,0 +1,27 @@
+// Copyright 2021 The Operator-SDK Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package metrics
+
+import (
+	"testing"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+func TestMetrics(t *testing.T) {
+	RegisterFailHandler(Fail)
+	RunSpecs(t, "Metrics Suite")
+}

internal/annotations/metrics/metrics_test.go

@@ -36,6 +36,10 @@ var _ = Describe("SDK Label helper functions", func() {
 			output := parseVersion(version)
 			Expect(output).To(Equal("v0.18.0+git"))
 		})
-
+		It("should return unknown", func() {
+			version := "noneSemanticVersion"
+			output := parseVersion(version)
+			Expect(output).To(Equal("unknown"))
+		})
 	})
 })