a first version of obisummary

Former-commit-id: cca1019d82a14a322f46a20890b996b5c7491d41

pkg/obiseq/attributes.go

@@ -287,6 +287,21 @@ func (s *BioSequence) GetIntMap(key string) (map[string]int, bool) {
 	return val, ok
 }
 
+func (s *BioSequence) GetStringMap(key string) (map[string]string, bool) {
+	var val map[string]string
+
+	var err error
+
+	v, ok := s.GetAttribute(key)
+
+	if ok {
+		val, err = obiutils.InterfaceToStringMap(v)
+		ok = err == nil
+	}
+
+	return val, ok
+}
+
 // GetIntSlice returns the integer slice value associated with the given key in the BioSequence object.
 //
 // Parameters:

pkg/obiseq/subseq_test.go

@@ -6,6 +6,18 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
+// TestSubsequence tests the Subsequence function.
+//
+// The function tests various cases of the Subsequence method of a BioSequence object.
+// It checks different scenarios of subsequence slicing, including both valid and invalid parameters.
+// The function is designed for unit testing purposes and uses the Go testing package.
+// It asserts that the expected subsequence is returned for each test case and checks for any errors.
+// The function also verifies the correctness of the subsequence qualities, if applicable.
+// The test cases cover both non-circular and circular subsequence slicing.
+// It ensures that the function handles different scenarios such as when `from` is greater than `to`,
+// `from` or `to` is out of bounds, and normal subsequence slicing cases.
+//
+// TestSubsequence does not return any value.
 func TestSubsequence(t *testing.T) {
 	// Test case 1: Subsequence with valid parameters and non-circular
 	seq := NewBioSequence("ID1", []byte("ATCG"), "")