diff --git a/codecov.yml b/codecov.yml
new file mode 100644
index 0000000..f545ab2
--- /dev/null
+++ b/codecov.yml
@@ -0,0 +1,13 @@
+coverage:
+  precision: 2
+  round: down
+
+  status:
+    project:
+      default:
+        target: 80%
+        threshold: 1%
+    patch:
+      default:
+        target: 50%
+        threshold: 2%
diff --git a/v2/httputil/util.go b/v2/httputil/util.go
index bc2d3dc..e67c1c4 100644
--- a/v2/httputil/util.go
+++ b/v2/httputil/util.go
@@ -9,7 +9,7 @@ import (
 func IsHTTPS(r *http.Request) bool {
 	const protoHTTPS = "https"
 	switch {
-	case r.URL.Scheme == protoHTTPS:
+	case r.URL != nil && r.URL.Scheme == protoHTTPS:
 		return true
 	case r.TLS != nil:
 		return true
diff --git a/v2/httputil/util_test.go b/v2/httputil/util_test.go
new file mode 100644
index 0000000..e53f08b
--- /dev/null
+++ b/v2/httputil/util_test.go
@@ -0,0 +1,50 @@
+package httputil
+
+import (
+	"crypto/tls"
+	"net/http"
+	"net/url"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestIsHTTPS(t *testing.T) {
+	tests := []struct {
+		name     string
+		r        *http.Request
+		expected bool
+	}{
+		{
+			name:     "HTTPS scheme",
+			r:        &http.Request{URL: &url.URL{Scheme: "https"}},
+			expected: true,
+		},
+		{
+			name:     "is TLS",
+			r:        &http.Request{TLS: &tls.ConnectionState{}},
+			expected: true,
+		},
+		{
+			name:     "HTTPS proto",
+			r:        &http.Request{Proto: "HTTPS/1.1"},
+			expected: true,
+		},
+		{
+			name:     "X-Forwarded-Proto",
+			r:        &http.Request{Header: http.Header{"X-Forwarded-Proto": []string{"https"}}},
+			expected: true,
+		},
+		{
+			name:     "not HTTPS",
+			r:        &http.Request{},
+			expected: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := IsHTTPS(tt.r)
+			require.Equal(t, tt.expected, got)
+		})
+	}
+}
diff --git a/v2/sentryutil/sentry_test.go b/v2/sentryutil/sentry_test.go
index c71e6b6..1ce7be8 100644
--- a/v2/sentryutil/sentry_test.go
+++ b/v2/sentryutil/sentry_test.go
@@ -4,11 +4,14 @@ import (
 	"bytes"
 	"context"
 	"fmt"
+	"net/http/httptest"
 	"os"
 	"strings"
 	"testing"
 
 	"github.com/getsentry/sentry-go"
+	"github.com/gin-gonic/gin"
+	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
 
@@ -57,3 +60,63 @@ func TestRecoverWithContext(t *testing.T) {
 		})
 	}
 }
+
+func TestGinWrapper(t *testing.T) {
+	tests := []struct {
+		name string
+		fn   func(*gin.RouterGroup, string, ...gin.HandlerFunc) gin.IRoutes
+	}{
+		{
+			name: "GET",
+			fn:   GET,
+		},
+		{
+			name: "POST",
+			fn:   POST,
+		},
+		{
+			name: "PUT",
+			fn:   PUT,
+		},
+		{
+			name: "DELETE",
+			fn:   DELETE,
+		},
+		{
+			name: "PATCH",
+			fn:   PATCH,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			r := gin.New()
+			gr := r.Group("/")
+			tt.fn(gr, tt.name, func(c *gin.Context) {
+				span := sentry.SpanFromContext(c.Request.Context())
+				assert.NotNil(t, span)
+			})
+
+			req := httptest.NewRequest(tt.name, "/", nil)
+			rr := httptest.NewRecorder()
+			r.ServeHTTP(rr, req)
+		})
+	}
+}
+
+func TestMakeSpan(t *testing.T) {
+	span := MakeSpan(context.Background(), 0)
+	assert.NotNil(t, span)
+}
+
+func TestMakeTransaction(t *testing.T) {
+	ctx, span, hub := MakeTransaction(context.Background(), "test")
+	assert.NotNil(t, ctx)
+	assert.NotNil(t, span)
+	assert.NotNil(t, hub)
+}
+
+func TestErrorDoesntPanic(t *testing.T) {
+	err := fmt.Errorf("test error")
+	Error(context.Background(), err)
+}