1package config
  2
  3import (
  4	"os"
  5	"path/filepath"
  6	"testing"
  7)
  8
  9func BenchmarkLoadFromConfigPaths(b *testing.B) {
 10	// Create temp config files with realistic content.
 11	tmpDir := b.TempDir()
 12
 13	globalConfig := filepath.Join(tmpDir, "global.json")
 14	localConfig := filepath.Join(tmpDir, "local.json")
 15
 16	globalContent := []byte(`{
 17		"providers": {
 18			"openai": {
 19				"api_key": "$OPENAI_API_KEY",
 20				"base_url": "https://api.openai.com/v1"
 21			},
 22			"anthropic": {
 23				"api_key": "$ANTHROPIC_API_KEY",
 24				"base_url": "https://api.anthropic.com"
 25			}
 26		},
 27		"options": {
 28			"tui": {
 29				"theme": "dark"
 30			}
 31		}
 32	}`)
 33
 34	localContent := []byte(`{
 35		"providers": {
 36			"openai": {
 37				"api_key": "sk-override-key"
 38			}
 39		},
 40		"options": {
 41			"context_paths": ["README.md", "AGENTS.md"]
 42		}
 43	}`)
 44
 45	if err := os.WriteFile(globalConfig, globalContent, 0o644); err != nil {
 46		b.Fatal(err)
 47	}
 48	if err := os.WriteFile(localConfig, localContent, 0o644); err != nil {
 49		b.Fatal(err)
 50	}
 51
 52	configPaths := []string{globalConfig, localConfig}
 53
 54	b.ReportAllocs()
 55	for b.Loop() {
 56		_, err := loadFromConfigPaths(configPaths)
 57		if err != nil {
 58			b.Fatal(err)
 59		}
 60	}
 61}
 62
 63func BenchmarkLoadFromConfigPaths_MissingFiles(b *testing.B) {
 64	// Test with mix of existing and non-existing paths.
 65	tmpDir := b.TempDir()
 66
 67	existingConfig := filepath.Join(tmpDir, "exists.json")
 68	content := []byte(`{"options": {"tui": {"theme": "dark"}}}`)
 69	if err := os.WriteFile(existingConfig, content, 0o644); err != nil {
 70		b.Fatal(err)
 71	}
 72
 73	configPaths := []string{
 74		filepath.Join(tmpDir, "nonexistent1.json"),
 75		existingConfig,
 76		filepath.Join(tmpDir, "nonexistent2.json"),
 77	}
 78
 79	b.ReportAllocs()
 80	for b.Loop() {
 81		_, err := loadFromConfigPaths(configPaths)
 82		if err != nil {
 83			b.Fatal(err)
 84		}
 85	}
 86}
 87
 88func BenchmarkLoadFromConfigPaths_Empty(b *testing.B) {
 89	// Test with no config files.
 90	tmpDir := b.TempDir()
 91	configPaths := []string{
 92		filepath.Join(tmpDir, "nonexistent1.json"),
 93		filepath.Join(tmpDir, "nonexistent2.json"),
 94	}
 95
 96	b.ReportAllocs()
 97	for b.Loop() {
 98		_, err := loadFromConfigPaths(configPaths)
 99		if err != nil {
100			b.Fatal(err)
101		}
102	}
103}