Metadata: Cache ExifTool JSON by original file hash #755 #759

pkg/fs/cache_test.go

@@ -0,0 +1,44 @@
+package fs
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestCachePath(t *testing.T) {
+	t.Run("error", func(t *testing.T) {
+		result, err := CachePath("/foo/bar", "123", "baz", false)
+
+		assert.Equal(t, "", result)
+		assert.EqualError(t, err, "cache: hash '123' is too short")
+	})
+
+	t.Run("1234567890abcdef", func(t *testing.T) {
+		result, err := CachePath("/foo/bar", "1234567890abcdef", "baz", false)
+
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		assert.Equal(t, "/foo/bar/baz/1/2/3", result)
+	})
+
+	t.Run("create", func(t *testing.T) {
+		ns := "pkg_fs_test"
+		result, err := CachePath(os.TempDir(), "1234567890abcdef", ns, true)
+
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		expected := filepath.Join(os.TempDir(), ns, "1", "2", "3")
+
+		assert.Equal(t, expected, result)
+		assert.DirExists(t, expected)
+
+		_ = os.Remove(expected)
+	})
+}