d2sstatus: add unittest (fix #33)

d2s.go

@@ -109,7 +109,7 @@ func Load(data []byte) (*D2S, error) {
 	}
 
 	status := sr.GetByte()
-	result.Status.Unmarshal(status)
+	result.Status.Load(status)
 
 	/*
 		from: https://user.xmission.com/~trevin/DiabloIIv1.09_File_Format.shtml

d2sstatus/status.go

@@ -14,7 +14,7 @@ type Status struct {
 	Died, // it is true, if you hav died in some point in past
 	Unknown4,
 	Expansion,
-	Ladder,
+	Ladder, // uncertain
 	Unknown7 bool
 }
 
@@ -24,8 +24,8 @@ func New() *Status {
 	return result
 }
 
-// Unmarshal loads data into status structure
-func (s *Status) Unmarshal(data byte) {
+// Load loads data into status structure
+func (s *Status) Load(data byte) {
 	bm := datautils.CreateBitMuncher([]byte{data}, 0)
 	s.Unknown0 = bm.GetBit() == 1
 	s.Unknown1 = bm.GetBit() == 1

d2sstatus/status_test.go

@@ -0,0 +1,51 @@
+package d2sstatus
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func testdata() map[byte]*Status {
+	return map[byte]*Status{
+		255: { // averything true
+			Unknown0:  true,
+			Unknown1:  true,
+			Hardcore:  true,
+			Died:      true,
+			Unknown4:  true,
+			Expansion: true,
+			Ladder:    true,
+			Unknown7:  true,
+		},
+		104: {
+			Unknown0:  false,
+			Unknown1:  false,
+			Hardcore:  false,
+			Died:      true,
+			Unknown4:  false,
+			Expansion: true,
+			Ladder:    true,
+			Unknown7:  false,
+		},
+	}
+}
+
+func Test_Load(t *testing.T) {
+	td := testdata()
+	for key, value := range td {
+		s := New()
+		s.Load(key)
+
+		assert.Equal(t, value, s, "unexpected status structure loaded")
+	}
+}
+
+func Test_Encode(t *testing.T) {
+	td := testdata()
+	for key, value := range td {
+		d := value.Encode()
+
+		assert.Equal(t, key, d, "unexpected status encoded")
+	}
+}