Allow nil progress

Signed-off-by: Vadim Markovtsev <vadim@sourced.tech>
src-d · Oct 8, 2019 · 8cd68fe · 8cd68fe
1 parent 2342911
commit 8cd68fe
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/file.go b/file.go
@@ -46,6 +46,9 @@ func OpenFile(fileName string, progress ProgressCallback) (*File, error) {
 // Open reads ASDF from a seekable reader.
 func Open(reader io.ReadSeeker, progress ProgressCallback) (*File, error) {
 	file := &File{}
+	if progress == nil {
+		progress = func(_, _ int) {}
+	}
 	progress(0, 2)
 	var err error
 	file.FormatVersion, file.StandardVersion, err = parseHeader(reader)

diff --git a/file_test.go b/file_test.go
@@ -9,8 +9,7 @@ import (
 
 func TestOpenFile(t *testing.T) {
 	req := require.New(t)
-	asdfFile, err := OpenFile("testdata/default.asdf",
-		func(done, total int) {})
+	asdfFile, err := OpenFile("testdata/default.asdf", nil)
 	req.NoError(err)
 	req.NotNil(asdfFile)
 }