refactor: replace the kubectl binary with the upstream sdk (#524)

pkg/libkubectl/manifest_test.go

@@ -0,0 +1,48 @@
+package libkubectl
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestManifestFilesToArgsHelper(t *testing.T) {
+	tests := []struct {
+		name          string
+		manifestFiles []string
+		expectedArgs  []string
+	}{
+		{
+			name:          "empty list",
+			manifestFiles: []string{},
+			expectedArgs:  []string{},
+		},
+		{
+			name:          "single manifest",
+			manifestFiles: []string{"manifest.yaml"},
+			expectedArgs:  []string{"-f", "manifest.yaml"},
+		},
+		{
+			name:          "multiple manifests",
+			manifestFiles: []string{"manifest1.yaml", "manifest2.yaml"},
+			expectedArgs:  []string{"-f", "manifest1.yaml", "-f", "manifest2.yaml"},
+		},
+		{
+			name:          "manifests with whitespace",
+			manifestFiles: []string{" manifest1.yaml ", "  manifest2.yaml"},
+			expectedArgs:  []string{"-f", "manifest1.yaml", "-f", "manifest2.yaml"},
+		},
+		{
+			name:          "kubernetes resource definitions",
+			manifestFiles: []string{"deployment/nginx", "service/web"},
+			expectedArgs:  []string{"-f", "deployment/nginx", "-f", "service/web"},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			args := manifestFilesToArgs(tt.manifestFiles)
+			assert.Equal(t, tt.expectedArgs, args)
+		})
+	}
+}