Add doppel and tls packages

mtglib/internal/doppel/scout_conn_collected_test.go

@@ -0,0 +1,42 @@
+package doppel
+
+import (
+	"testing"
+	"time"
+
+	"github.com/9seconds/mtg/v2/mtglib/internal/tls"
+	"github.com/stretchr/testify/suite"
+)
+
+type ScoutConnCollectedTestSuite struct {
+	suite.Suite
+}
+
+func (suite *ScoutConnCollectedTestSuite) TestAddSingle() {
+	collected := NewScoutConnCollected()
+	collected.Add(tls.TypeApplicationData)
+
+	suite.Len(collected.data, 1)
+	suite.Equal(byte(tls.TypeApplicationData), collected.data[0].recordType)
+}
+
+func (suite *ScoutConnCollectedTestSuite) TestAddTimestampsAreMonotonic() {
+	collected := NewScoutConnCollected()
+
+	collected.Add(tls.TypeApplicationData)
+
+	time.Sleep(time.Microsecond)
+	collected.Add(tls.TypeApplicationData)
+
+	time.Sleep(time.Microsecond)
+	collected.Add(tls.TypeApplicationData)
+
+	for i := 1; i < len(collected.data); i++ {
+		suite.True(collected.data[i].timestamp.After(collected.data[i-1].timestamp))
+	}
+}
+
+func TestScoutConnCollected(t *testing.T) {
+	t.Parallel()
+	suite.Run(t, &ScoutConnCollectedTestSuite{})
+}