diff --git a/coordinator/coordinatorclient/coordinatorclient.go b/coordinator/coordinatorclient/coordinatorclient.go
index 28b11965..faac5483 100644
--- a/coordinator/coordinatorclient/coordinatorclient.go
+++ b/coordinator/coordinatorclient/coordinatorclient.go
@@ -1,3 +1,4 @@
+//go:generate mockgen -destination mock_coordinatorclient/mock_coordinatorclient.go github.com/anytypeio/any-sync/coordinator/coordinatorclient CoordinatorClient
 package coordinatorclient
 
 import (
diff --git a/coordinator/coordinatorclient/mock_coordinatorclient/mock_coordinatorclient.go b/coordinator/coordinatorclient/mock_coordinatorclient/mock_coordinatorclient.go
new file mode 100644
index 00000000..aa246870
--- /dev/null
+++ b/coordinator/coordinatorclient/mock_coordinatorclient/mock_coordinatorclient.go
@@ -0,0 +1,95 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: github.com/anytypeio/any-sync/coordinator/coordinatorclient (interfaces: CoordinatorClient)
+
+// Package mock_coordinatorclient is a generated GoMock package.
+package mock_coordinatorclient
+
+import (
+	context "context"
+	reflect "reflect"
+
+	app "github.com/anytypeio/any-sync/app"
+	coordinatorproto "github.com/anytypeio/any-sync/coordinator/coordinatorproto"
+	gomock "github.com/golang/mock/gomock"
+)
+
+// MockCoordinatorClient is a mock of CoordinatorClient interface.
+type MockCoordinatorClient struct {
+	ctrl     *gomock.Controller
+	recorder *MockCoordinatorClientMockRecorder
+}
+
+// MockCoordinatorClientMockRecorder is the mock recorder for MockCoordinatorClient.
+type MockCoordinatorClientMockRecorder struct {
+	mock *MockCoordinatorClient
+}
+
+// NewMockCoordinatorClient creates a new mock instance.
+func NewMockCoordinatorClient(ctrl *gomock.Controller) *MockCoordinatorClient {
+	mock := &MockCoordinatorClient{ctrl: ctrl}
+	mock.recorder = &MockCoordinatorClientMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockCoordinatorClient) EXPECT() *MockCoordinatorClientMockRecorder {
+	return m.recorder
+}
+
+// FileLimitCheck mocks base method.
+func (m *MockCoordinatorClient) FileLimitCheck(arg0 context.Context, arg1 string, arg2 []byte) (uint64, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "FileLimitCheck", arg0, arg1, arg2)
+	ret0, _ := ret[0].(uint64)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// FileLimitCheck indicates an expected call of FileLimitCheck.
+func (mr *MockCoordinatorClientMockRecorder) FileLimitCheck(arg0, arg1, arg2 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "FileLimitCheck", reflect.TypeOf((*MockCoordinatorClient)(nil).FileLimitCheck), arg0, arg1, arg2)
+}
+
+// Init mocks base method.
+func (m *MockCoordinatorClient) Init(arg0 *app.App) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Init", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Init indicates an expected call of Init.
+func (mr *MockCoordinatorClientMockRecorder) Init(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Init", reflect.TypeOf((*MockCoordinatorClient)(nil).Init), arg0)
+}
+
+// Name mocks base method.
+func (m *MockCoordinatorClient) Name() string {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Name")
+	ret0, _ := ret[0].(string)
+	return ret0
+}
+
+// Name indicates an expected call of Name.
+func (mr *MockCoordinatorClientMockRecorder) Name() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Name", reflect.TypeOf((*MockCoordinatorClient)(nil).Name))
+}
+
+// SpaceSign mocks base method.
+func (m *MockCoordinatorClient) SpaceSign(arg0 context.Context, arg1 string) (*coordinatorproto.SpaceReceiptWithSignature, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SpaceSign", arg0, arg1)
+	ret0, _ := ret[0].(*coordinatorproto.SpaceReceiptWithSignature)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// SpaceSign indicates an expected call of SpaceSign.
+func (mr *MockCoordinatorClientMockRecorder) SpaceSign(arg0, arg1 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SpaceSign", reflect.TypeOf((*MockCoordinatorClient)(nil).SpaceSign), arg0, arg1)
+}