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path: root/pkg/git/utils_test.go
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package git_test

import (
	"strings"
	"testing"

	"github.com/antonmedv/gitmal/pkg/git"
)

func TestParseFileMode(t *testing.T) {
	tests := []struct {
		mode     string
		expected string
	}{
		{"100644", "rw-r--r--"},
		{"100755", "rwxr-xr-x"},
		{"100600", "rw-------"},
		{"100400", "r--------"},
	}

	for _, tt := range tests {
		t.Run(tt.mode, func(t *testing.T) {
			result, err := git.ParseFileMode(tt.mode)
			if err != nil {
				t.Errorf("unexpected error: %v", err)
			}
			if result != tt.expected {
				t.Errorf("got %q, want %q", result, tt.expected)
			}
		})
	}
}

func TestParseFileModeInvalid(t *testing.T) {
	tests := []string{
		"",
		"12",
		"abc",
		"10070x",
	}

	for _, mode := range tests {
		t.Run(mode, func(t *testing.T) {
			result, err := git.ParseFileMode(mode)
			if err == nil {
				t.Error("expected error, got nil")
			}
			if result != "" {
				t.Errorf("expected empty result, got %q", result)
			}
			if !strings.Contains(err.Error(), "invalid mode") && !strings.Contains(err.Error(), "strconv.Atoi") {
				t.Errorf("unexpected error message: %v", err)
			}
		})
	}
}

func TestRefToFileName(t *testing.T) {
	tests := []struct {
		in   string
		want string
	}{
		{"main", "main"},
		{"master", "master"},
		{"release/v1.0", "release-v1.0"},
		{"feature/add-login", "feature-add-login"},
		{"bugfix\\windows\\path", "bugfix-windows-path"},
		{"1.0.0", "1.0.0"},
		{"1.x", "1.x"},
	}

	for _, tt := range tests {
		t.Run(tt.in, func(t *testing.T) {
			got := git.RefToFileName(tt.in)
			if got != tt.want {
				t.Fatalf("refToFileName(%q) = %q, want %q", tt.in, got, tt.want)
			}
		})
	}
}