add unit tests

model/session_test.go

@@ -0,0 +1,62 @@
+package model
+
+import (
+	"testing"
+	"time"
+)
+
+func TestSessionAddPoint(t *testing.T) {
+	sess := &Session{
+		maxPts: 3,
+		data: SessionData{
+			Points: [][]any{},
+		},
+	}
+
+	for i := 0; i < 5; i++ {
+		sess.AddPoint([]any{float64(i), float64(i), float64(i), 0, nil, nil})
+	}
+
+	if len(sess.data.Points) != 3 {
+		t.Errorf("expected 3 points, got %d", len(sess.data.Points))
+	}
+
+	if sess.data.Points[0][0].(float64) != 2 {
+		t.Errorf("expected oldest point to be 2, got %v", sess.data.Points[0][0])
+	}
+}
+
+func TestSessionGetPoints(t *testing.T) {
+	sess := &Session{
+		maxPts: 10,
+		data: SessionData{
+			Points: [][]any{
+				{1.0, 1.0, 100.0, 0, nil, nil},
+				{2.0, 2.0, 200.0, 0, nil, nil},
+				{3.0, 3.0, 300.0, 0, nil, nil},
+			},
+		},
+	}
+
+	pts := sess.GetPoints(150)
+	if len(pts) != 2 {
+		t.Errorf("expected 2 points after since=150, got %d", len(pts))
+	}
+}
+
+func TestSessionExpired(t *testing.T) {
+	sess := &Session{
+		data: SessionData{
+			Expire: time.Now().Add(-time.Hour).Unix(),
+		},
+	}
+
+	if !sess.HasExpired() {
+		t.Error("expected session to be expired")
+	}
+
+	sess.data.Expire = time.Now().Add(time.Hour).Unix()
+	if sess.HasExpired() {
+		t.Error("expected session to not be expired")
+	}
+}