package main

import (

"os"

"path/filepath"

"testing"

)

func TestExpandHome(t *testing.T) {

home, _ := os.UserHomeDir()

got := expandHome("~/repos")

want := filepath.Join(home, "repos")

if got != want {

t.Errorf("expandHome(~/repos) = %q, want %q", got, want)

}

// absolute path unchanged

got = expandHome("/tmp/foo")

if got != "/tmp/foo" {

t.Errorf("expandHome(/tmp/foo) = %q", got)

}

}

func TestIsGitRepo(t *testing.T) {

// Create a temp dir with .git

tmp := t.TempDir()

os.Mkdir(filepath.Join(tmp, ".git"), 0755)

if !isGitRepo(tmp) {

t.Error("expected true for dir with .git")

}

// Dir without .git

tmp2 := t.TempDir()

if isGitRepo(tmp2) {

t.Error("expected false for dir without .git")

}

}

func TestDiscoverRepos(t *testing.T) {

// Create temp structure: base/repo1/.git, base/repo2/.git, base/notrepo/

base := t.TempDir()

os.MkdirAll(filepath.Join(base, "repo1", ".git"), 0755)

os.MkdirAll(filepath.Join(base, "repo2", ".git"), 0755)

os.MkdirAll(filepath.Join(base, "notrepo"), 0755)

repos := DiscoverRepos([]string{base})

if len(repos) != 2 {

t.Errorf("expected 2 repos, got %d", len(repos))

}

names := map[string]bool{}

for _, r := range repos {

names[r.Name] = true

}

if !names["repo1"] || !names["repo2"] {

t.Errorf("expected repo1 and repo2, got %v", names)

}

}