Ensure -config-init is valid

Author: dgellow

integration/cli_test.go

@@ -0,0 +1,42 @@
+package integration
+
+import (
+	"os"
+	"os/exec"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestCLIConfigInitGeneratesValidConfig(t *testing.T) {
+	tmpDir := t.TempDir()
+	configPath := filepath.Join(tmpDir, "generated-config.json")
+
+	t.Run("generate and validate config", func(t *testing.T) {
+		// Step 1: Generate config with -config-init
+		cmd := exec.Command("../cmd/mcp-front/mcp-front", "-config-init", configPath)
+		output, err := cmd.CombinedOutput()
+
+		t.Logf("config-init output: %s", output)
+
+		require.NoError(t, err, "config-init should succeed")
+		assert.Contains(t, string(output), "Generated default config at:", "should report generation")
+
+		// Verify file was created
+		fi, err := os.Stat(configPath)
+		require.NoError(t, err, "config file should exist")
+		require.Greater(t, fi.Size(), int64(0), "config file should not be empty")
+
+		// Step 2: Validate the generated config
+		cmd = exec.Command("../cmd/mcp-front/mcp-front", "-config", configPath, "-validate")
+		output, err = cmd.CombinedOutput()
+
+		t.Logf("validate output: %s", output)
+
+		// The generated config should be valid
+		require.NoError(t, err, "validate should succeed for config-init generated file")
+		assert.Contains(t, string(output), "Result: PASS", "validation should pass")
+	})
+}