stream/mts/psi/descriptor_test.go: wrote test to check ProgramInfoLen func and descriptors func

stream/mts/meta.go

@@ -107,6 +107,8 @@ func (m *Meta) Delete(key string) error {
 	return errKeyAbsent
 }
 
+// Encode takes the meta data map and encods into a byte slice with header
+// describing the version, length of data and data in TSV format.
 func (m *Meta) Encode() []byte {
 	m.enc = m.enc[:headSize]
 

stream/mts/meta_test.go

@@ -126,6 +126,7 @@ func TestDeleteAbsentKey(t *testing.T) {
 	}
 }
 
+// TestEncode checks that we're getting the correct byte slice from Meta.Encode().
 func TestEncode(t *testing.T) {
 	meta := NewMeta()
 	meta.Add(tstKey1, tstData1)