package util import ( "testing" "github.com/stretchr/testify/assert" ) func TestMimeType(t *testing.T) { t.Run("jpg", func(t *testing.T) { filename := ExpandedFilename("./testdata/test.jpg") mimeType := MimeType(filename) assert.Equal(t, "image/jpeg", mimeType) }) t.Run("not existing filename", func(t *testing.T) { filename := ExpandedFilename("./testdata/xxx.jpg") mimeType := MimeType(filename) assert.Equal(t, "", mimeType) }) }