added claims_test.go

Signed-off-by: Atif Ali <atali@redhat.com>

cmd/argocd/commands/utils/claims_test.go

@@ -0,0 +1,56 @@
+package utils
+
+import (
+	"testing"
+
+	"github.com/golang-jwt/jwt/v4"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGetUserIdentifier(t *testing.T) {
+	tests := []struct {
+		name   string
+		claims jwt.MapClaims
+		want   string
+	}{
+		{
+			name: "federated claims present",
+			claims: jwt.MapClaims{
+				"sub": "ignored:login",
+				"federated_claims": map[string]interface{}{
+					"user_id": "dex-user",
+				},
+			},
+			want: "dex-user",
+		},
+		{
+			name: "empty federated claims falls back to sub",
+			claims: jwt.MapClaims{
+				"sub": "test:apiKey",
+				"federated_claims": map[string]interface{}{
+					"user_id": "",
+				},
+			},
+			want: "test:apiKey",
+		},
+		{
+			name: "no federated claims uses sub",
+			claims: jwt.MapClaims{
+				"sub": "admin:login",
+			},
+			want: "admin:login",
+		},
+		{
+			name:   "empty claims",
+			claims: jwt.MapClaims{},
+			want:   "",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := GetUserIdentifier(tt.claims)
+			assert.Equal(t, tt.want, got)
+		})
+	}
+}