Add basic unit testing

.github/workflows/release.yml

@@ -42,12 +42,13 @@ jobs:
       run: |
         go get .
 
+    - name: Test with the Go CLI
+      run: go test ./... -v
+
     - name: Build
       run: |
         ${{ matrix.build_params }} go build --ldflags="-X 'keyvalDetector/cmd.buildTimeVersion=${{ github.ref_name }}'"
 
-    - name: Test with the Go CLI
-      run: go test
 
     - uses: svenstaro/upload-release-action@v2
       with:

cmd/cmd_test.go

@@ -0,0 +1,78 @@
+/*
+Copyright © 2023 Dimitris Dalianis <[email protected]>
+This file is part of CLI application keyvalDetector
+*/
+package cmd
+
+import "testing"
+
+func TestIsSystemConfigMap(t *testing.T) {
+	testCases := []struct {
+		name     string
+		element  string
+		expected bool
+	}{
+		{
+			name:     "Empty string",
+			element:  "",
+			expected: false,
+		},
+		{
+			name:     "Non system configmap",
+			element:  "my-configmap",
+			expected: false,
+		},
+		{
+			name:     "System configmap",
+			element:  "cluster-info",
+			expected: true,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			result := isSystemConfigMap(tc.element)
+			if result != tc.expected {
+				t.Errorf("Expected %v, but got %v", tc.expected, result)
+			}
+		})
+	}
+
+}
+
+func TestContains(t *testing.T) {
+	testCases := []struct {
+		name     string
+		input    []string
+		element  string
+		expected bool
+	}{
+		{
+			name:     "Empty slice",
+			input:    []string{},
+			element:  "abc",
+			expected: false,
+		},
+		{
+			name:     "Element present in slice",
+			input:    []string{"abc", "def", "ghi"},
+			element:  "def",
+			expected: true,
+		},
+		{
+			name:     "Element not present in slice",
+			input:    []string{"abc", "def", "ghi"},
+			element:  "xyz",
+			expected: false,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			result := contains(tc.input, tc.element)
+			if result != tc.expected {
+				t.Errorf("Expected %v, but got %v", tc.expected, result)
+			}
+		})
+	}
+}

cmd/root.go

@@ -229,25 +229,13 @@ func keyvalDetector() error {
 // }
 
 func isSystemConfigMap(configmap string) bool {
-	defaultConfigMaps := []string{"kube-root-ca.crt", "cluster-info", "kubelet-config", "kubeadm-config"}
-
-	for _, value := range defaultConfigMaps {
-		if configmap == value {
-			return true
-		}
-	}
-	return false
+	systemConfigMaps := []string{"kube-root-ca.crt", "cluster-info", "kubelet-config", "kubeadm-config"}
+	return contains(systemConfigMaps, configmap)
 }
 
 func isSystemSecret(secret string) bool {
-	defaultSecrets := []string{"foobar"}
-
-	for _, value := range defaultSecrets {
-		if secret == value {
-			return true
-		}
-	}
-	return false
+	systemSecrets := []string{"foobar"}
+	return contains(systemSecrets, secret)
 }
 
 func getCurrentK8sContext(kubeConfigPath string) string {