added test (#5)

Reviewed-on: phoenix/textsender-auth#5
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>

internal/handler/register_test.go

@@ -0,0 +1,45 @@
+package handler
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"git.kundeng.us/phoenix/textsender-auth/internal/db"
+	"git.kundeng.us/phoenix/textsender-auth/internal/handler/endpoint"
+	"git.kundeng.us/phoenix/textsender-auth/internal/model"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestCreateUserWithMock(t *testing.T) {
+	mockstore := NewMockUserStore()
+	handler := NewUserHandler(mockstore)
+
+	testUser := model.User{Username: "ghost", PhoneNumber: "+1234567890", Password: "dfgdffddfd"}
+	jsonValue, _ := json.Marshal(testUser)
+
+	req, _ := http.NewRequest("POST", endpoint.Register, strings.NewReader(string(jsonValue)))
+	rr := httptest.NewRecorder()
+
+	handler.Register(rr, req)
+
+	assert.Equal(t, http.StatusOK, rr.Code)
+
+	var response RegisterResponse
+	err := json.Unmarshal(rr.Body.Bytes(), &response)
+	assert.NoError(t, err)
+
+	assert.NotNil(t, response.Data[0].Id, "Id should not be nil")
+}
+
+func resetTestDB(t *testing.T) {
+	t.Helper()
+	_, err := db.Pool.Exec(context.Background(), "DELETE FROM users")
+	if err != nil {
+		t.Fatalf("Failed to reset test database: %v", err)
+	}
+}