add server blackbox test

backend/internal/tests/server_test.go

@@ -0,0 +1,41 @@
+package tests
+
+import (
+	"KonferCA/SPUR/internal/server"
+	"encoding/json"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+/*
+This file contains blackbox testing for the server package which includes
+all routes that are exposed by the server. The main objective is to test
+that all routes are behaving how they should be from the perspective of
+a client that doesn't know the inner implementation details.
+*/
+func TestServer(t *testing.T) {
+	setupEnv()
+
+	s, err := server.New()
+	assert.Nil(t, err)
+
+	t.Run("Test API V1 Health Check Route", func(t *testing.T) {
+		req := httptest.NewRequest(http.MethodGet, "/api/v1/health", nil)
+		rec := httptest.NewRecorder()
+		s.GetEcho().ServeHTTP(rec, req)
+		assert.Equal(t, rec.Code, http.StatusOK)
+		resBytes, err := io.ReadAll(rec.Body)
+		assert.Nil(t, err)
+		var resBody map[string]any
+		err = json.Unmarshal(resBytes, &resBody)
+		assert.Nil(t, err)
+		assert.Equal(t, resBody["status"], "healthy")
+		assert.NotEmpty(t, resBody["timestamp"])
+		assert.NotEmpty(t, resBody["database"])
+		assert.NotEmpty(t, resBody["system"])
+	})
+}