Add more unit tests

backend/internal/api/middleware/body_context_test.go

@@ -0,0 +1,39 @@
+package middleware_test
+
+import (
+	"bytes"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	c "npm/internal/api/context"
+	"npm/internal/api/middleware"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestBodyContext(t *testing.T) {
+	// Create a test request with a body
+	body := []byte(`{"name": "John", "age": 30}`)
+	req, err := http.NewRequest("POST", "/test", bytes.NewBuffer(body))
+	assert.Nil(t, err)
+
+	// Create a test response recorder
+	rr := httptest.NewRecorder()
+
+	// Create a test handler that checks the context for the body data
+	handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		bodyData := r.Context().Value(c.BodyCtxKey).([]byte)
+		assert.Equal(t, body, bodyData)
+	})
+
+	// Wrap the handler with the BodyContext middleware
+	mw := middleware.BodyContext()(handler)
+
+	// Call the middleware with the test request and response recorder
+	mw.ServeHTTP(rr, req)
+
+	// Check that the response status code is 200
+	status := rr.Code
+	assert.Equal(t, http.StatusOK, status)
+}