feat: add shell login option (#75)

Closes #72

root/config_cmd_test.go

@@ -3,8 +3,10 @@ package root
 import (
 	"bytes"
 	"os"
-	"path/filepath"
+	"strings"
 	"testing"
+
+	"github.com/versenilvis/iris/internal/config"
 )
 
 func TestConfigCommands(t *testing.T) {
@@ -14,14 +16,27 @@ func TestConfigCommands(t *testing.T) {
 	}
 	defer os.RemoveAll(tmpDir)
 
+	// UserConfigDir follows HOME on macOS and XDG_CONFIG_HOME on Unix.
+	// Override both so the command cannot read or write the user's real config.
+	t.Setenv("HOME", tmpDir)
 	t.Setenv("XDG_CONFIG_HOME", tmpDir)
 
 	ConfigInitCmd.Run(ConfigInitCmd, []string{})
 
-	configPath := filepath.Join(tmpDir, "iris", "config.toml")
-	if _, err := os.Stat(configPath); err != nil {
+	configPath, err := config.ConfigPath()
+	if err != nil {
+		t.Fatalf("failed to get config path: %v", err)
+	}
+	if _, statErr := os.Stat(configPath); statErr != nil {
 		t.Errorf("expected config file to be created at %s, but it was not", configPath)
 	}
+	content, err := os.ReadFile(configPath)
+	if err != nil {
+		t.Fatalf("failed to read config file: %v", err)
+	}
+	if !strings.Contains(string(content), "shell-login = false") {
+		t.Error("expected initialized config to include shell-login = false")
+	}
 
 	buf := new(bytes.Buffer)
 	ConfigShowCmd.SetOut(buf)