diff --git a/apps/db-adapter/internal/api/closeSession_test.go b/apps/db-adapter/internal/api/closeSession_test.go
new file mode 100644
index 0000000..d478f9e
--- /dev/null
+++ b/apps/db-adapter/internal/api/closeSession_test.go
@@ -0,0 +1,37 @@
+package api
+
+import (
+	"context"
+	"errors"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/mock"
+	memgraphMock "github.com/vcscsvcscs/GenerationsHeritage/apps/db-adapter/internal/memgraph/mock"
+	"go.uber.org/zap/zaptest"
+)
+
+func TestCloseSession(t *testing.T) {
+	logger := zaptest.NewLogger(t)
+	mockSession := new(memgraphMock.SessionWithContext)
+	ctx := context.Background()
+	timeOut := 2 * time.Second
+
+	t.Run("successful session close", func(t *testing.T) {
+		mockSession.On("Close", mock.Anything).Return(nil).Once()
+
+		closeSession(ctx, logger, mockSession, timeOut)
+
+		mockSession.AssertCalled(t, "Close", mock.Anything)
+		mockSession.AssertExpectations(t)
+	})
+
+	t.Run("error during session close", func(t *testing.T) {
+		mockSession.On("Close", mock.Anything).Return(errors.New("close error")).Once()
+
+		closeSession(ctx, logger, mockSession, timeOut)
+
+		mockSession.AssertCalled(t, "Close", mock.Anything)
+		mockSession.AssertExpectations(t)
+	})
+}
diff --git a/apps/db-adapter/internal/api/person_google_test.go b/apps/db-adapter/internal/api/person_google_test.go
new file mode 100644
index 0000000..0aaf321
--- /dev/null
+++ b/apps/db-adapter/internal/api/person_google_test.go
@@ -0,0 +1,156 @@
+package api
+
+import (
+	"errors"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	memgraphMock "github.com/vcscsvcscs/GenerationsHeritage/apps/db-adapter/internal/memgraph/mock"
+)
+
+func TestGetPersonByGoogleId(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+
+	t.Run("Successful case", func(t *testing.T) {
+		mockSession := new(memgraphMock.SessionWithContext)
+		mockDriver := new(memgraphMock.DriverWithContext)
+		mockDriver.On("NewSession", mock.Anything, mock.Anything).Return(mockSession)
+		mockSession.On("ExecuteRead", mock.Anything, mock.Anything, mock.Anything).Return(map[string]any{"person": "test-person"}, nil)
+		mockSession.On("Close", mock.Anything).Return(nil)
+
+		srv := &server{
+			db:          mockDriver,
+			dbOpTimeout: 5 * time.Second,
+		}
+
+		w := httptest.NewRecorder()
+		c, _ := gin.CreateTestContext(w)
+
+		c.Request = httptest.NewRequest(http.MethodGet, "/person/google-id", nil)
+
+		srv.GetPersonByGoogleId(c, "test-google-id")
+
+		assert.Equal(t, http.StatusOK, w.Code)
+		assert.Contains(t, w.Body.String(), "test-person")
+	})
+
+	t.Run("Internal server error case", func(t *testing.T) {
+		mockSession := new(memgraphMock.SessionWithContext)
+		mockDriver := new(memgraphMock.DriverWithContext)
+		mockDriver.On("NewSession", mock.Anything, mock.Anything).Return(mockSession)
+		mockSession.On("ExecuteRead", mock.Anything, mock.Anything, mock.Anything).Return(nil, errors.New("db error"))
+		mockSession.On("Close", mock.Anything).Return(nil)
+
+		srv := &server{
+			db:          mockDriver,
+			dbOpTimeout: 5 * time.Second,
+		}
+
+		w := httptest.NewRecorder()
+		c, _ := gin.CreateTestContext(w)
+
+		c.Request = httptest.NewRequest(http.MethodGet, "/person/google-id", nil)
+
+		srv.GetPersonByGoogleId(c, "test-google-id")
+
+		assert.Equal(t, http.StatusInternalServerError, w.Code)
+		assert.Contains(t, w.Body.String(), "db error")
+	})
+}
+
+func TestCreatePersonByGoogleIdAndInviteCode(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+
+	t.Run("Successful case", func(t *testing.T) {
+		mockSession := new(memgraphMock.SessionWithContext)
+		mockDriver := new(memgraphMock.DriverWithContext)
+		mockDriver.On("NewSession", mock.Anything, mock.Anything).Return(mockSession)
+		mockSession.On("ExecuteWrite", mock.Anything, mock.Anything).Return(map[string]any{"result": "success"}, nil)
+		mockSession.On("Close", mock.Anything).Return(nil)
+
+		srv := &server{
+			db:          mockDriver,
+			dbOpTimeout: 5 * time.Second,
+		}
+
+		w := httptest.NewRecorder()
+		c, _ := gin.CreateTestContext(w)
+
+		body := `{"invite_code": "test-code", "person": {"name": "test-person"}}`
+		c.Request = httptest.NewRequest(http.MethodPost, "/person/google-id/invite-code", nil)
+		c.Request.Body = io.NopCloser(strings.NewReader(body))
+
+		srv.CreatePersonByGoogleIdAndInviteCode(c, "test-google-id")
+
+		assert.Equal(t, http.StatusOK, w.Code)
+		assert.Contains(t, w.Body.String(), "success")
+	})
+
+	t.Run("Bad request case", func(t *testing.T) {
+		srv := &server{}
+
+		w := httptest.NewRecorder()
+		c, _ := gin.CreateTestContext(w)
+
+		body := `{"invalid_json":`
+		c.Request = httptest.NewRequest(http.MethodPost, "/person/google-id/invite-code", nil)
+		c.Request.Body = io.NopCloser(strings.NewReader(body))
+
+		srv.CreatePersonByGoogleIdAndInviteCode(c, "test-google-id")
+
+		assert.Equal(t, http.StatusBadRequest, w.Code)
+		assert.Contains(t, w.Body.String(), "invalid character")
+	})
+}
+
+func TestCreatePersonByGoogleId(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+
+	t.Run("Successful case", func(t *testing.T) {
+		mockSession := new(memgraphMock.SessionWithContext)
+		mockDriver := new(memgraphMock.DriverWithContext)
+		mockDriver.On("NewSession", mock.Anything, mock.Anything).Return(mockSession)
+		mockSession.On("ExecuteWrite", mock.Anything, mock.Anything, mock.Anything).Return(map[string]any{"result": "success"}, nil)
+		mockSession.On("Close", mock.Anything).Return(nil)
+
+		srv := &server{
+			db:          mockDriver,
+			dbOpTimeout: 5 * time.Second,
+		}
+
+		w := httptest.NewRecorder()
+		c, _ := gin.CreateTestContext(w)
+
+		body := `{"name": "test-person"}`
+		c.Request = httptest.NewRequest(http.MethodPost, "/person/google-id", nil)
+		c.Request.Body = io.NopCloser(strings.NewReader(body))
+
+		srv.CreatePersonByGoogleId(c, "test-google-id")
+
+		assert.Equal(t, http.StatusOK, w.Code)
+		assert.Contains(t, w.Body.String(), "success")
+	})
+
+	t.Run("Bad request case", func(t *testing.T) {
+		srv := &server{}
+
+		w := httptest.NewRecorder()
+		c, _ := gin.CreateTestContext(w)
+
+		body := `{"invalid_json":`
+		c.Request = httptest.NewRequest(http.MethodPost, "/person/google-id", nil)
+		c.Request.Body = io.NopCloser(strings.NewReader(body))
+
+		srv.CreatePersonByGoogleId(c, "test-google-id")
+
+		assert.Equal(t, http.StatusBadRequest, w.Code)
+		assert.Contains(t, w.Body.String(), "{\"msg\":\"unexpected EOF\"}")
+	})
+}