feat: add Safari bookmark and download extraction from plist (#567)

* feat: add Safari bookmark and download extraction from plist files
* test: add nested folder test for bookmark tree traversal
Part of #565

browser/safari/extract_download_test.go

@@ -0,0 +1,74 @@
+package safari
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/moond4rk/plist"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func buildTestDownloadsPlist(t *testing.T, dl safariDownloads) string {
+	t.Helper()
+	path := filepath.Join(t.TempDir(), "Downloads.plist")
+	f, err := os.Create(path)
+	require.NoError(t, err)
+	defer f.Close()
+	require.NoError(t, plist.NewBinaryEncoder(f).Encode(dl))
+	return path
+}
+
+func TestExtractDownloads(t *testing.T) {
+	dl := safariDownloads{
+		DownloadHistory: []safariDownloadEntry{
+			{
+				URL:        "https://example.com/file.zip",
+				Path:       "/Users/test/Downloads/file.zip",
+				TotalBytes: 1024000,
+			},
+			{
+				URL:        "https://go.dev/dl/go1.20.tar.gz",
+				Path:       "/Users/test/Downloads/go1.20.tar.gz",
+				TotalBytes: 98765432,
+			},
+		},
+	}
+
+	path := buildTestDownloadsPlist(t, dl)
+	downloads, err := extractDownloads(path)
+	require.NoError(t, err)
+	require.Len(t, downloads, 2)
+
+	assert.Equal(t, "https://example.com/file.zip", downloads[0].URL)
+	assert.Equal(t, "/Users/test/Downloads/file.zip", downloads[0].TargetPath)
+	assert.Equal(t, int64(1024000), downloads[0].TotalBytes)
+
+	assert.Equal(t, "https://go.dev/dl/go1.20.tar.gz", downloads[1].URL)
+	assert.Equal(t, int64(98765432), downloads[1].TotalBytes)
+}
+
+func TestCountDownloads(t *testing.T) {
+	dl := safariDownloads{
+		DownloadHistory: []safariDownloadEntry{
+			{URL: "https://a.com/1.zip", Path: "/tmp/1.zip", TotalBytes: 100},
+			{URL: "https://b.com/2.zip", Path: "/tmp/2.zip", TotalBytes: 200},
+			{URL: "https://c.com/3.zip", Path: "/tmp/3.zip", TotalBytes: 300},
+		},
+	}
+
+	path := buildTestDownloadsPlist(t, dl)
+	count, err := countDownloads(path)
+	require.NoError(t, err)
+	assert.Equal(t, 3, count)
+}
+
+func TestExtractDownloads_Empty(t *testing.T) {
+	dl := safariDownloads{}
+	path := buildTestDownloadsPlist(t, dl)
+
+	downloads, err := extractDownloads(path)
+	require.NoError(t, err)
+	assert.Empty(t, downloads)
+}