1  package tools
 2  
 3  import (
 4  	"os"
 5  	"path/filepath"
 6  	"testing"
 7  )
 8  
 9  func TestExpandHome(t *testing.T) {
10  	home, err := os.UserHomeDir()
11  	if err != nil {
12  		t.Fatalf("cannot get home dir: %v", err)
13  	}
14  
15  	tests := []struct {
16  		input string
17  		want  string
18  	}{
19  		{"", ""},
20  		{"/absolute/path", "/absolute/path"},
21  		{"relative/path", "relative/path"},
22  		{"~", home},
23  		{"~/Desktop/file.txt", filepath.Join(home, "Desktop/file.txt")},
24  		{"~/", filepath.Join(home, "")},
25  		{"~user/foo", "~user/foo"}, // ~user expansion not supported, returned as-is
26  	}
27  
28  	for _, tt := range tests {
29  		got := ExpandHome(tt.input)
30  		if got != tt.want {
31  			t.Errorf("ExpandHome(%q) = %q, want %q", tt.input, got, tt.want)
32  		}
33  	}
34  }
35  
36  func TestIsPathUnderCWD_WithTilde(t *testing.T) {
37  	// ~ paths should not be considered under CWD (unless CWD is home)
38  	home, _ := os.UserHomeDir()
39  	cwd, _ := os.Getwd()
40  
41  	// ~/Desktop is only under CWD if CWD is home and Desktop is a subdir
42  	result := isPathUnderCWD("~/Desktop")
43  	if cwd == home {
44  		if !result {
45  			t.Error("~/Desktop should be under CWD when CWD is home")
46  		}
47  	} else {
48  		if result {
49  			t.Error("~/Desktop should NOT be under CWD when CWD is not home")
50  		}
51  	}
52  }