diff --git a/services/collaboration/.mockery.yaml b/services/collaboration/.mockery.yaml
new file mode 100644
index 000000000..87425509b
--- /dev/null
+++ b/services/collaboration/.mockery.yaml
@@ -0,0 +1,12 @@
+with-expecter: true
+filename: "{{.InterfaceName | snakecase }}.go"
+mockname: "{{.InterfaceName}}"
+outpkg: "mocks"
+packages:
+    github.com/owncloud/ocis/v2/services/collaboration/pkg/connector:
+        config:
+            dir: "mocks"
+        interfaces:
+            ConnectorService:
+            ContentConnectorService:
+            FileConnectorService:
diff --git a/services/collaboration/mocks/connector_service.go b/services/collaboration/mocks/connector_service.go
new file mode 100644
index 000000000..ca93a6f56
--- /dev/null
+++ b/services/collaboration/mocks/connector_service.go
@@ -0,0 +1,129 @@
+// Code generated by mockery v2.40.2. DO NOT EDIT.
+
+package mocks
+
+import (
+	connector "github.com/owncloud/ocis/v2/services/collaboration/pkg/connector"
+	mock "github.com/stretchr/testify/mock"
+)
+
+// ConnectorService is an autogenerated mock type for the ConnectorService type
+type ConnectorService struct {
+	mock.Mock
+}
+
+type ConnectorService_Expecter struct {
+	mock *mock.Mock
+}
+
+func (_m *ConnectorService) EXPECT() *ConnectorService_Expecter {
+	return &ConnectorService_Expecter{mock: &_m.Mock}
+}
+
+// GetContentConnector provides a mock function with given fields:
+func (_m *ConnectorService) GetContentConnector() connector.ContentConnectorService {
+	ret := _m.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for GetContentConnector")
+	}
+
+	var r0 connector.ContentConnectorService
+	if rf, ok := ret.Get(0).(func() connector.ContentConnectorService); ok {
+		r0 = rf()
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(connector.ContentConnectorService)
+		}
+	}
+
+	return r0
+}
+
+// ConnectorService_GetContentConnector_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'GetContentConnector'
+type ConnectorService_GetContentConnector_Call struct {
+	*mock.Call
+}
+
+// GetContentConnector is a helper method to define mock.On call
+func (_e *ConnectorService_Expecter) GetContentConnector() *ConnectorService_GetContentConnector_Call {
+	return &ConnectorService_GetContentConnector_Call{Call: _e.mock.On("GetContentConnector")}
+}
+
+func (_c *ConnectorService_GetContentConnector_Call) Run(run func()) *ConnectorService_GetContentConnector_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *ConnectorService_GetContentConnector_Call) Return(_a0 connector.ContentConnectorService) *ConnectorService_GetContentConnector_Call {
+	_c.Call.Return(_a0)
+	return _c
+}
+
+func (_c *ConnectorService_GetContentConnector_Call) RunAndReturn(run func() connector.ContentConnectorService) *ConnectorService_GetContentConnector_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// GetFileConnector provides a mock function with given fields:
+func (_m *ConnectorService) GetFileConnector() connector.FileConnectorService {
+	ret := _m.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for GetFileConnector")
+	}
+
+	var r0 connector.FileConnectorService
+	if rf, ok := ret.Get(0).(func() connector.FileConnectorService); ok {
+		r0 = rf()
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(connector.FileConnectorService)
+		}
+	}
+
+	return r0
+}
+
+// ConnectorService_GetFileConnector_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'GetFileConnector'
+type ConnectorService_GetFileConnector_Call struct {
+	*mock.Call
+}
+
+// GetFileConnector is a helper method to define mock.On call
+func (_e *ConnectorService_Expecter) GetFileConnector() *ConnectorService_GetFileConnector_Call {
+	return &ConnectorService_GetFileConnector_Call{Call: _e.mock.On("GetFileConnector")}
+}
+
+func (_c *ConnectorService_GetFileConnector_Call) Run(run func()) *ConnectorService_GetFileConnector_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *ConnectorService_GetFileConnector_Call) Return(_a0 connector.FileConnectorService) *ConnectorService_GetFileConnector_Call {
+	_c.Call.Return(_a0)
+	return _c
+}
+
+func (_c *ConnectorService_GetFileConnector_Call) RunAndReturn(run func() connector.FileConnectorService) *ConnectorService_GetFileConnector_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// NewConnectorService creates a new instance of ConnectorService. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
+// The first argument is typically a *testing.T value.
+func NewConnectorService(t interface {
+	mock.TestingT
+	Cleanup(func())
+}) *ConnectorService {
+	mock := &ConnectorService{}
+	mock.Mock.Test(t)
+
+	t.Cleanup(func() { mock.AssertExpectations(t) })
+
+	return mock
+}
diff --git a/services/collaboration/mocks/content_connector_service.go b/services/collaboration/mocks/content_connector_service.go
new file mode 100644
index 000000000..25cd2a2ec
--- /dev/null
+++ b/services/collaboration/mocks/content_connector_service.go
@@ -0,0 +1,143 @@
+// Code generated by mockery v2.40.2. DO NOT EDIT.
+
+package mocks
+
+import (
+	context "context"
+	io "io"
+
+	mock "github.com/stretchr/testify/mock"
+)
+
+// ContentConnectorService is an autogenerated mock type for the ContentConnectorService type
+type ContentConnectorService struct {
+	mock.Mock
+}
+
+type ContentConnectorService_Expecter struct {
+	mock *mock.Mock
+}
+
+func (_m *ContentConnectorService) EXPECT() *ContentConnectorService_Expecter {
+	return &ContentConnectorService_Expecter{mock: &_m.Mock}
+}
+
+// GetFile provides a mock function with given fields: ctx, writer
+func (_m *ContentConnectorService) GetFile(ctx context.Context, writer io.Writer) error {
+	ret := _m.Called(ctx, writer)
+
+	if len(ret) == 0 {
+		panic("no return value specified for GetFile")
+	}
+
+	var r0 error
+	if rf, ok := ret.Get(0).(func(context.Context, io.Writer) error); ok {
+		r0 = rf(ctx, writer)
+	} else {
+		r0 = ret.Error(0)
+	}
+
+	return r0
+}
+
+// ContentConnectorService_GetFile_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'GetFile'
+type ContentConnectorService_GetFile_Call struct {
+	*mock.Call
+}
+
+// GetFile is a helper method to define mock.On call
+//   - ctx context.Context
+//   - writer io.Writer
+func (_e *ContentConnectorService_Expecter) GetFile(ctx interface{}, writer interface{}) *ContentConnectorService_GetFile_Call {
+	return &ContentConnectorService_GetFile_Call{Call: _e.mock.On("GetFile", ctx, writer)}
+}
+
+func (_c *ContentConnectorService_GetFile_Call) Run(run func(ctx context.Context, writer io.Writer)) *ContentConnectorService_GetFile_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run(args[0].(context.Context), args[1].(io.Writer))
+	})
+	return _c
+}
+
+func (_c *ContentConnectorService_GetFile_Call) Return(_a0 error) *ContentConnectorService_GetFile_Call {
+	_c.Call.Return(_a0)
+	return _c
+}
+
+func (_c *ContentConnectorService_GetFile_Call) RunAndReturn(run func(context.Context, io.Writer) error) *ContentConnectorService_GetFile_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// PutFile provides a mock function with given fields: ctx, stream, streamLength, lockID
+func (_m *ContentConnectorService) PutFile(ctx context.Context, stream io.Reader, streamLength int64, lockID string) (string, error) {
+	ret := _m.Called(ctx, stream, streamLength, lockID)
+
+	if len(ret) == 0 {
+		panic("no return value specified for PutFile")
+	}
+
+	var r0 string
+	var r1 error
+	if rf, ok := ret.Get(0).(func(context.Context, io.Reader, int64, string) (string, error)); ok {
+		return rf(ctx, stream, streamLength, lockID)
+	}
+	if rf, ok := ret.Get(0).(func(context.Context, io.Reader, int64, string) string); ok {
+		r0 = rf(ctx, stream, streamLength, lockID)
+	} else {
+		r0 = ret.Get(0).(string)
+	}
+
+	if rf, ok := ret.Get(1).(func(context.Context, io.Reader, int64, string) error); ok {
+		r1 = rf(ctx, stream, streamLength, lockID)
+	} else {
+		r1 = ret.Error(1)
+	}
+
+	return r0, r1
+}
+
+// ContentConnectorService_PutFile_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'PutFile'
+type ContentConnectorService_PutFile_Call struct {
+	*mock.Call
+}
+
+// PutFile is a helper method to define mock.On call
+//   - ctx context.Context
+//   - stream io.Reader
+//   - streamLength int64
+//   - lockID string
+func (_e *ContentConnectorService_Expecter) PutFile(ctx interface{}, stream interface{}, streamLength interface{}, lockID interface{}) *ContentConnectorService_PutFile_Call {
+	return &ContentConnectorService_PutFile_Call{Call: _e.mock.On("PutFile", ctx, stream, streamLength, lockID)}
+}
+
+func (_c *ContentConnectorService_PutFile_Call) Run(run func(ctx context.Context, stream io.Reader, streamLength int64, lockID string)) *ContentConnectorService_PutFile_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run(args[0].(context.Context), args[1].(io.Reader), args[2].(int64), args[3].(string))
+	})
+	return _c
+}
+
+func (_c *ContentConnectorService_PutFile_Call) Return(_a0 string, _a1 error) *ContentConnectorService_PutFile_Call {
+	_c.Call.Return(_a0, _a1)
+	return _c
+}
+
+func (_c *ContentConnectorService_PutFile_Call) RunAndReturn(run func(context.Context, io.Reader, int64, string) (string, error)) *ContentConnectorService_PutFile_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// NewContentConnectorService creates a new instance of ContentConnectorService. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
+// The first argument is typically a *testing.T value.
+func NewContentConnectorService(t interface {
+	mock.TestingT
+	Cleanup(func())
+}) *ContentConnectorService {
+	mock := &ContentConnectorService{}
+	mock.Mock.Test(t)
+
+	t.Cleanup(func() { mock.AssertExpectations(t) })
+
+	return mock
+}
diff --git a/services/collaboration/mocks/file_connector_service.go b/services/collaboration/mocks/file_connector_service.go
new file mode 100644
index 000000000..7671d8f35
--- /dev/null
+++ b/services/collaboration/mocks/file_connector_service.go
@@ -0,0 +1,322 @@
+// Code generated by mockery v2.40.2. DO NOT EDIT.
+
+package mocks
+
+import (
+	context "context"
+
+	connector "github.com/owncloud/ocis/v2/services/collaboration/pkg/connector"
+
+	mock "github.com/stretchr/testify/mock"
+)
+
+// FileConnectorService is an autogenerated mock type for the FileConnectorService type
+type FileConnectorService struct {
+	mock.Mock
+}
+
+type FileConnectorService_Expecter struct {
+	mock *mock.Mock
+}
+
+func (_m *FileConnectorService) EXPECT() *FileConnectorService_Expecter {
+	return &FileConnectorService_Expecter{mock: &_m.Mock}
+}
+
+// CheckFileInfo provides a mock function with given fields: ctx
+func (_m *FileConnectorService) CheckFileInfo(ctx context.Context) (connector.FileInfo, error) {
+	ret := _m.Called(ctx)
+
+	if len(ret) == 0 {
+		panic("no return value specified for CheckFileInfo")
+	}
+
+	var r0 connector.FileInfo
+	var r1 error
+	if rf, ok := ret.Get(0).(func(context.Context) (connector.FileInfo, error)); ok {
+		return rf(ctx)
+	}
+	if rf, ok := ret.Get(0).(func(context.Context) connector.FileInfo); ok {
+		r0 = rf(ctx)
+	} else {
+		r0 = ret.Get(0).(connector.FileInfo)
+	}
+
+	if rf, ok := ret.Get(1).(func(context.Context) error); ok {
+		r1 = rf(ctx)
+	} else {
+		r1 = ret.Error(1)
+	}
+
+	return r0, r1
+}
+
+// FileConnectorService_CheckFileInfo_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'CheckFileInfo'
+type FileConnectorService_CheckFileInfo_Call struct {
+	*mock.Call
+}
+
+// CheckFileInfo is a helper method to define mock.On call
+//   - ctx context.Context
+func (_e *FileConnectorService_Expecter) CheckFileInfo(ctx interface{}) *FileConnectorService_CheckFileInfo_Call {
+	return &FileConnectorService_CheckFileInfo_Call{Call: _e.mock.On("CheckFileInfo", ctx)}
+}
+
+func (_c *FileConnectorService_CheckFileInfo_Call) Run(run func(ctx context.Context)) *FileConnectorService_CheckFileInfo_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run(args[0].(context.Context))
+	})
+	return _c
+}
+
+func (_c *FileConnectorService_CheckFileInfo_Call) Return(_a0 connector.FileInfo, _a1 error) *FileConnectorService_CheckFileInfo_Call {
+	_c.Call.Return(_a0, _a1)
+	return _c
+}
+
+func (_c *FileConnectorService_CheckFileInfo_Call) RunAndReturn(run func(context.Context) (connector.FileInfo, error)) *FileConnectorService_CheckFileInfo_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// GetLock provides a mock function with given fields: ctx
+func (_m *FileConnectorService) GetLock(ctx context.Context) (string, error) {
+	ret := _m.Called(ctx)
+
+	if len(ret) == 0 {
+		panic("no return value specified for GetLock")
+	}
+
+	var r0 string
+	var r1 error
+	if rf, ok := ret.Get(0).(func(context.Context) (string, error)); ok {
+		return rf(ctx)
+	}
+	if rf, ok := ret.Get(0).(func(context.Context) string); ok {
+		r0 = rf(ctx)
+	} else {
+		r0 = ret.Get(0).(string)
+	}
+
+	if rf, ok := ret.Get(1).(func(context.Context) error); ok {
+		r1 = rf(ctx)
+	} else {
+		r1 = ret.Error(1)
+	}
+
+	return r0, r1
+}
+
+// FileConnectorService_GetLock_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'GetLock'
+type FileConnectorService_GetLock_Call struct {
+	*mock.Call
+}
+
+// GetLock is a helper method to define mock.On call
+//   - ctx context.Context
+func (_e *FileConnectorService_Expecter) GetLock(ctx interface{}) *FileConnectorService_GetLock_Call {
+	return &FileConnectorService_GetLock_Call{Call: _e.mock.On("GetLock", ctx)}
+}
+
+func (_c *FileConnectorService_GetLock_Call) Run(run func(ctx context.Context)) *FileConnectorService_GetLock_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run(args[0].(context.Context))
+	})
+	return _c
+}
+
+func (_c *FileConnectorService_GetLock_Call) Return(_a0 string, _a1 error) *FileConnectorService_GetLock_Call {
+	_c.Call.Return(_a0, _a1)
+	return _c
+}
+
+func (_c *FileConnectorService_GetLock_Call) RunAndReturn(run func(context.Context) (string, error)) *FileConnectorService_GetLock_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// Lock provides a mock function with given fields: ctx, lockID, oldLockID
+func (_m *FileConnectorService) Lock(ctx context.Context, lockID string, oldLockID string) (string, error) {
+	ret := _m.Called(ctx, lockID, oldLockID)
+
+	if len(ret) == 0 {
+		panic("no return value specified for Lock")
+	}
+
+	var r0 string
+	var r1 error
+	if rf, ok := ret.Get(0).(func(context.Context, string, string) (string, error)); ok {
+		return rf(ctx, lockID, oldLockID)
+	}
+	if rf, ok := ret.Get(0).(func(context.Context, string, string) string); ok {
+		r0 = rf(ctx, lockID, oldLockID)
+	} else {
+		r0 = ret.Get(0).(string)
+	}
+
+	if rf, ok := ret.Get(1).(func(context.Context, string, string) error); ok {
+		r1 = rf(ctx, lockID, oldLockID)
+	} else {
+		r1 = ret.Error(1)
+	}
+
+	return r0, r1
+}
+
+// FileConnectorService_Lock_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Lock'
+type FileConnectorService_Lock_Call struct {
+	*mock.Call
+}
+
+// Lock is a helper method to define mock.On call
+//   - ctx context.Context
+//   - lockID string
+//   - oldLockID string
+func (_e *FileConnectorService_Expecter) Lock(ctx interface{}, lockID interface{}, oldLockID interface{}) *FileConnectorService_Lock_Call {
+	return &FileConnectorService_Lock_Call{Call: _e.mock.On("Lock", ctx, lockID, oldLockID)}
+}
+
+func (_c *FileConnectorService_Lock_Call) Run(run func(ctx context.Context, lockID string, oldLockID string)) *FileConnectorService_Lock_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run(args[0].(context.Context), args[1].(string), args[2].(string))
+	})
+	return _c
+}
+
+func (_c *FileConnectorService_Lock_Call) Return(_a0 string, _a1 error) *FileConnectorService_Lock_Call {
+	_c.Call.Return(_a0, _a1)
+	return _c
+}
+
+func (_c *FileConnectorService_Lock_Call) RunAndReturn(run func(context.Context, string, string) (string, error)) *FileConnectorService_Lock_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// RefreshLock provides a mock function with given fields: ctx, lockID
+func (_m *FileConnectorService) RefreshLock(ctx context.Context, lockID string) (string, error) {
+	ret := _m.Called(ctx, lockID)
+
+	if len(ret) == 0 {
+		panic("no return value specified for RefreshLock")
+	}
+
+	var r0 string
+	var r1 error
+	if rf, ok := ret.Get(0).(func(context.Context, string) (string, error)); ok {
+		return rf(ctx, lockID)
+	}
+	if rf, ok := ret.Get(0).(func(context.Context, string) string); ok {
+		r0 = rf(ctx, lockID)
+	} else {
+		r0 = ret.Get(0).(string)
+	}
+
+	if rf, ok := ret.Get(1).(func(context.Context, string) error); ok {
+		r1 = rf(ctx, lockID)
+	} else {
+		r1 = ret.Error(1)
+	}
+
+	return r0, r1
+}
+
+// FileConnectorService_RefreshLock_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'RefreshLock'
+type FileConnectorService_RefreshLock_Call struct {
+	*mock.Call
+}
+
+// RefreshLock is a helper method to define mock.On call
+//   - ctx context.Context
+//   - lockID string
+func (_e *FileConnectorService_Expecter) RefreshLock(ctx interface{}, lockID interface{}) *FileConnectorService_RefreshLock_Call {
+	return &FileConnectorService_RefreshLock_Call{Call: _e.mock.On("RefreshLock", ctx, lockID)}
+}
+
+func (_c *FileConnectorService_RefreshLock_Call) Run(run func(ctx context.Context, lockID string)) *FileConnectorService_RefreshLock_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run(args[0].(context.Context), args[1].(string))
+	})
+	return _c
+}
+
+func (_c *FileConnectorService_RefreshLock_Call) Return(_a0 string, _a1 error) *FileConnectorService_RefreshLock_Call {
+	_c.Call.Return(_a0, _a1)
+	return _c
+}
+
+func (_c *FileConnectorService_RefreshLock_Call) RunAndReturn(run func(context.Context, string) (string, error)) *FileConnectorService_RefreshLock_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// UnLock provides a mock function with given fields: ctx, lockID
+func (_m *FileConnectorService) UnLock(ctx context.Context, lockID string) (string, error) {
+	ret := _m.Called(ctx, lockID)
+
+	if len(ret) == 0 {
+		panic("no return value specified for UnLock")
+	}
+
+	var r0 string
+	var r1 error
+	if rf, ok := ret.Get(0).(func(context.Context, string) (string, error)); ok {
+		return rf(ctx, lockID)
+	}
+	if rf, ok := ret.Get(0).(func(context.Context, string) string); ok {
+		r0 = rf(ctx, lockID)
+	} else {
+		r0 = ret.Get(0).(string)
+	}
+
+	if rf, ok := ret.Get(1).(func(context.Context, string) error); ok {
+		r1 = rf(ctx, lockID)
+	} else {
+		r1 = ret.Error(1)
+	}
+
+	return r0, r1
+}
+
+// FileConnectorService_UnLock_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'UnLock'
+type FileConnectorService_UnLock_Call struct {
+	*mock.Call
+}
+
+// UnLock is a helper method to define mock.On call
+//   - ctx context.Context
+//   - lockID string
+func (_e *FileConnectorService_Expecter) UnLock(ctx interface{}, lockID interface{}) *FileConnectorService_UnLock_Call {
+	return &FileConnectorService_UnLock_Call{Call: _e.mock.On("UnLock", ctx, lockID)}
+}
+
+func (_c *FileConnectorService_UnLock_Call) Run(run func(ctx context.Context, lockID string)) *FileConnectorService_UnLock_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run(args[0].(context.Context), args[1].(string))
+	})
+	return _c
+}
+
+func (_c *FileConnectorService_UnLock_Call) Return(_a0 string, _a1 error) *FileConnectorService_UnLock_Call {
+	_c.Call.Return(_a0, _a1)
+	return _c
+}
+
+func (_c *FileConnectorService_UnLock_Call) RunAndReturn(run func(context.Context, string) (string, error)) *FileConnectorService_UnLock_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// NewFileConnectorService creates a new instance of FileConnectorService. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
+// The first argument is typically a *testing.T value.
+func NewFileConnectorService(t interface {
+	mock.TestingT
+	Cleanup(func())
+}) *FileConnectorService {
+	mock := &FileConnectorService{}
+	mock.Mock.Test(t)
+
+	t.Cleanup(func() { mock.AssertExpectations(t) })
+
+	return mock
+}
diff --git a/services/collaboration/pkg/connector/connector.go b/services/collaboration/pkg/connector/connector.go
index f87a09f5f..b38eb7337 100644
--- a/services/collaboration/pkg/connector/connector.go
+++ b/services/collaboration/pkg/connector/connector.go
@@ -20,6 +20,15 @@ func NewConnectorError(code int, msg string) *ConnectorError {
 	}
 }
 
+// ConnectorService is the interface to implement the WOPI operations. They're
+// divided into multiple endpoints.
+// The IFileConnector will implement the "File" endpoint
+// The IContentConnector will implement the "File content" endpoint
+type ConnectorService interface {
+	GetFileConnector() FileConnectorService
+	GetContentConnector() ContentConnectorService
+}
+
 // Connector will implement the WOPI operations.
 // For convenience, the connector splits the operations based on the
 // WOPI endpoints, so you'll need to get the specific connector first.
@@ -30,21 +39,21 @@ func NewConnectorError(code int, msg string) *ConnectorError {
 //
 // Other endpoints aren't available for now.
 type Connector struct {
-	fileConnector    *FileConnector
-	contentConnector *ContentConnector
+	fileConnector    FileConnectorService
+	contentConnector ContentConnectorService
 }
 
-func NewConnector(fc *FileConnector, cc *ContentConnector) *Connector {
+func NewConnector(fc FileConnectorService, cc ContentConnectorService) *Connector {
 	return &Connector{
 		fileConnector:    fc,
 		contentConnector: cc,
 	}
 }
 
-func (c *Connector) GetFileConnector() *FileConnector {
+func (c *Connector) GetFileConnector() FileConnectorService {
 	return c.fileConnector
 }
 
-func (c *Connector) GetContentConnector() *ContentConnector {
+func (c *Connector) GetContentConnector() ContentConnectorService {
 	return c.contentConnector
 }
diff --git a/services/collaboration/pkg/connector/contentconnector.go b/services/collaboration/pkg/connector/contentconnector.go
index 1559e9d31..5153e821d 100644
--- a/services/collaboration/pkg/connector/contentconnector.go
+++ b/services/collaboration/pkg/connector/contentconnector.go
@@ -18,6 +18,21 @@ import (
 	"github.com/rs/zerolog"
 )
 
+// ContentConnectorService is the interface to implement the "File contents"
+// endpoint. Basically upload and download contents.
+// All operations need a context containing a WOPI context and, optionally,
+// a zerolog logger.
+// Target file is within the WOPI context
+type ContentConnectorService interface {
+	// GetFile downloads the file and write its contents in the provider writer
+	GetFile(ctx context.Context, writer io.Writer) error
+	// PutFile uploads the stream up to the stream length. The file should be
+	// locked beforehand, so the lockID needs to be provided.
+	// The current lockID will be returned ONLY if a conflict happens (the file is
+	// locked with a different lockID)
+	PutFile(ctx context.Context, stream io.Reader, streamLength int64, lockID string) (string, error)
+}
+
 // ContentConnector implements the "File contents" endpoint.
 // Basically, the ContentConnector handles downloads (GetFile) and
 // uploads (PutFile)
diff --git a/services/collaboration/pkg/connector/fileconnector.go b/services/collaboration/pkg/connector/fileconnector.go
index 6945f3b91..c16b117fb 100644
--- a/services/collaboration/pkg/connector/fileconnector.go
+++ b/services/collaboration/pkg/connector/fileconnector.go
@@ -25,6 +25,32 @@ const (
 	lockDuration time.Duration = 30 * time.Minute
 )
 
+// FileConnectorService is the interface to implement the "Files"
+// endpoint. Basically lock operations on the file plus the CheckFileInfo.
+// All operations need a context containing a WOPI context and, optionally,
+// a zerolog logger.
+// Target file is within the WOPI context
+type FileConnectorService interface {
+	// GetLock will return the lockID present in the target file.
+	GetLock(ctx context.Context) (string, error)
+	// Lock will lock the target file with the provided lockID. If the oldLockID
+	// is provided (not empty), the method will perform an unlockAndRelock
+	// operation (unlock the file with the oldLockID and immediately relock
+	// the file with the new lockID).
+	// The current lockID will be returned if a conflict happens
+	Lock(ctx context.Context, lockID, oldLockID string) (string, error)
+	// RefreshLock will extend the lock time 30 minutes. The current lockID
+	// needs to be provided.
+	// The current lockID will be returned if a conflict happens
+	RefreshLock(ctx context.Context, lockID string) (string, error)
+	// Unlock will unlock the target file. The current lockID needs to be
+	// provided.
+	// The current lockID will be returned if a conflict happens
+	UnLock(ctx context.Context, lockID string) (string, error)
+	// CheckFileInfo will return the file information of the target file
+	CheckFileInfo(ctx context.Context) (FileInfo, error)
+}
+
 type FileConnector struct {
 	gwc gatewayv1beta1.GatewayAPIClient
 	cfg *config.Config
diff --git a/services/collaboration/pkg/connector/httpadapter.go b/services/collaboration/pkg/connector/httpadapter.go
index 8eda845cf..075c3d3d8 100644
--- a/services/collaboration/pkg/connector/httpadapter.go
+++ b/services/collaboration/pkg/connector/httpadapter.go
@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"errors"
 	"net/http"
+	"strconv"
 
 	gatewayv1beta1 "github.com/cs3org/go-cs3apis/cs3/gateway/v1beta1"
 	"github.com/owncloud/ocis/v2/services/collaboration/pkg/config"
@@ -24,9 +25,11 @@ const (
 // All operations are expected to follow the definitions found in
 // https://learn.microsoft.com/en-us/microsoft-365/cloud-storage-partner-program/rest/endpoints
 type HttpAdapter struct {
-	con *Connector
+	con ConnectorService
 }
 
+// NewHttpAdapter will create a new HTTP adapter. A new connector using the
+// provided gateway API client and configuration will be used in the adapter
 func NewHttpAdapter(gwc gatewayv1beta1.GatewayAPIClient, cfg *config.Config) *HttpAdapter {
 	return &HttpAdapter{
 		con: NewConnector(
@@ -36,6 +39,14 @@ func NewHttpAdapter(gwc gatewayv1beta1.GatewayAPIClient, cfg *config.Config) *Ht
 	}
 }
 
+// NewHttpAdapterWithConnector will create a new HTTP adapter that will use
+// the provided connector service
+func NewHttpAdapterWithConnector(con ConnectorService) *HttpAdapter {
+	return &HttpAdapter{
+		con: con,
+	}
+}
+
 func (h *HttpAdapter) GetLock(w http.ResponseWriter, r *http.Request) {
 	fileCon := h.con.GetFileConnector()
 
@@ -119,6 +130,9 @@ func (h *HttpAdapter) UnLock(w http.ResponseWriter, r *http.Request) {
 func (h *HttpAdapter) CheckFileInfo(w http.ResponseWriter, r *http.Request) {
 	fileCon := h.con.GetFileConnector()
 
+	w.Header().Set("Content-Type", "application/json")
+	w.Header().Set("Content-Length", "0")
+
 	fileInfo, err := fileCon.CheckFileInfo(r.Context())
 	if err != nil {
 		var conError *ConnectorError
@@ -138,7 +152,7 @@ func (h *HttpAdapter) CheckFileInfo(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	w.Header().Set("Content-Type", "application/json")
+	w.Header().Set("Content-Length", strconv.Itoa(len(jsonFileInfo)))
 	w.WriteHeader(http.StatusOK)
 	bytes, err := w.Write(jsonFileInfo)
 
diff --git a/services/collaboration/pkg/connector/httpadapter_test.go b/services/collaboration/pkg/connector/httpadapter_test.go
new file mode 100644
index 000000000..3a277f5fc
--- /dev/null
+++ b/services/collaboration/pkg/connector/httpadapter_test.go
@@ -0,0 +1,476 @@
+package connector_test
+
+import (
+	"encoding/json"
+	"errors"
+	"io"
+	"net/http/httptest"
+	"strings"
+
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+	"github.com/owncloud/ocis/v2/services/collaboration/mocks"
+	"github.com/owncloud/ocis/v2/services/collaboration/pkg/connector"
+	"github.com/stretchr/testify/mock"
+)
+
+var _ = Describe("HttpAdapter", func() {
+	var (
+		fc          *mocks.FileConnectorService
+		cc          *mocks.ContentConnectorService
+		con         *mocks.ConnectorService
+		httpAdapter *connector.HttpAdapter
+	)
+
+	BeforeEach(func() {
+		fc = &mocks.FileConnectorService{}
+		cc = &mocks.ContentConnectorService{}
+
+		con = &mocks.ConnectorService{}
+		con.On("GetContentConnector").Return(cc)
+		con.On("GetFileConnector").Return(fc)
+
+		httpAdapter = connector.NewHttpAdapterWithConnector(con)
+	})
+
+	Describe("GetLock", func() {
+		It("General error", func() {
+			req := httptest.NewRequest("POST", "/wopi/files/abcdef", nil)
+			req.Header.Set("X-WOPI-Override", "POST_LOCK")
+
+			w := httptest.NewRecorder()
+
+			fc.On("GetLock", mock.Anything).Times(1).Return("", errors.New("Something happened"))
+
+			httpAdapter.GetLock(w, req)
+			resp := w.Result()
+			Expect(resp.StatusCode).To(Equal(500))
+		})
+
+		It("File not found", func() {
+			req := httptest.NewRequest("POST", "/wopi/files/abcdef", nil)
+			req.Header.Set("X-WOPI-Override", "POST_LOCK")
+
+			w := httptest.NewRecorder()
+
+			fc.On("GetLock", mock.Anything).Times(1).Return("", connector.NewConnectorError(404, "Couldn't get the file"))
+
+			httpAdapter.GetLock(w, req)
+			resp := w.Result()
+			Expect(resp.StatusCode).To(Equal(404))
+		})
+
+		It("LockId", func() {
+			req := httptest.NewRequest("POST", "/wopi/files/abcdef", nil)
+			req.Header.Set("X-WOPI-Override", "POST_LOCK")
+
+			w := httptest.NewRecorder()
+
+			fc.On("GetLock", mock.Anything).Times(1).Return("zzz111", nil)
+
+			httpAdapter.GetLock(w, req)
+			resp := w.Result()
+			Expect(resp.StatusCode).To(Equal(200))
+			Expect(resp.Header.Get(connector.HeaderWopiLock)).To(Equal("zzz111"))
+		})
+
+		It("Empty LockId", func() {
+			req := httptest.NewRequest("POST", "/wopi/files/abcdef", nil)
+			req.Header.Set("X-WOPI-Override", "POST_LOCK")
+
+			w := httptest.NewRecorder()
+
+			fc.On("GetLock", mock.Anything).Times(1).Return("", nil)
+
+			httpAdapter.GetLock(w, req)
+			resp := w.Result()
+			Expect(resp.StatusCode).To(Equal(200))
+			Expect(resp.Header.Get(connector.HeaderWopiLock)).To(Equal(""))
+		})
+	})
+
+	Describe("Lock", func() {
+		Describe("Just lock", func() {
+			It("General error", func() {
+				req := httptest.NewRequest("POST", "/wopi/files/abcdef", nil)
+				req.Header.Set("X-WOPI-Override", "LOCK")
+				req.Header.Set(connector.HeaderWopiLock, "abc123")
+
+				w := httptest.NewRecorder()
+
+				fc.On("Lock", mock.Anything, "abc123", "").Times(1).Return("", errors.New("Something happened"))
+
+				httpAdapter.Lock(w, req)
+				resp := w.Result()
+				Expect(resp.StatusCode).To(Equal(500))
+			})
+
+			It("No LockId provided", func() {
+				req := httptest.NewRequest("POST", "/wopi/files/abcdef", nil)
+				req.Header.Set("X-WOPI-Override", "LOCK")
+				req.Header.Set(connector.HeaderWopiLock, "")
+
+				w := httptest.NewRecorder()
+
+				fc.On("Lock", mock.Anything, "", "").Times(1).Return("", connector.NewConnectorError(400, "No lockId"))
+
+				httpAdapter.Lock(w, req)
+				resp := w.Result()
+				Expect(resp.StatusCode).To(Equal(400))
+			})
+
+			It("Conflict", func() {
+				req := httptest.NewRequest("POST", "/wopi/files/abcdef", nil)
+				req.Header.Set("X-WOPI-Override", "LOCK")
+				req.Header.Set(connector.HeaderWopiLock, "abc123")
+
+				w := httptest.NewRecorder()
+
+				fc.On("Lock", mock.Anything, "abc123", "").Times(1).Return("zzz111", connector.NewConnectorError(409, "Lock conflict"))
+
+				httpAdapter.Lock(w, req)
+				resp := w.Result()
+				Expect(resp.StatusCode).To(Equal(409))
+				Expect(resp.Header.Get(connector.HeaderWopiLock)).To(Equal("zzz111"))
+			})
+
+			It("Success", func() {
+				req := httptest.NewRequest("POST", "/wopi/files/abcdef", nil)
+				req.Header.Set("X-WOPI-Override", "LOCK")
+				req.Header.Set(connector.HeaderWopiLock, "abc123")
+
+				w := httptest.NewRecorder()
+
+				fc.On("Lock", mock.Anything, "abc123", "").Times(1).Return("", nil)
+
+				httpAdapter.Lock(w, req)
+				resp := w.Result()
+				Expect(resp.StatusCode).To(Equal(200))
+			})
+		})
+
+		Describe("Unlock and relock", func() {
+			It("General error", func() {
+				req := httptest.NewRequest("POST", "/wopi/files/abcdef", nil)
+				req.Header.Set("X-WOPI-Override", "LOCK")
+				req.Header.Set(connector.HeaderWopiLock, "abc123")
+				req.Header.Set(connector.HeaderWopiOldLock, "qwerty")
+
+				w := httptest.NewRecorder()
+
+				fc.On("Lock", mock.Anything, "abc123", "qwerty").Times(1).Return("", errors.New("Something happened"))
+
+				httpAdapter.Lock(w, req)
+				resp := w.Result()
+				Expect(resp.StatusCode).To(Equal(500))
+			})
+
+			It("No LockId provided", func() {
+				req := httptest.NewRequest("POST", "/wopi/files/abcdef", nil)
+				req.Header.Set("X-WOPI-Override", "LOCK")
+				req.Header.Set(connector.HeaderWopiLock, "")
+				req.Header.Set(connector.HeaderWopiOldLock, "")
+
+				w := httptest.NewRecorder()
+
+				fc.On("Lock", mock.Anything, "", "").Times(1).Return("", connector.NewConnectorError(400, "No lockId"))
+
+				httpAdapter.Lock(w, req)
+				resp := w.Result()
+				Expect(resp.StatusCode).To(Equal(400))
+			})
+
+			It("Conflict", func() {
+				req := httptest.NewRequest("POST", "/wopi/files/abcdef", nil)
+				req.Header.Set("X-WOPI-Override", "LOCK")
+				req.Header.Set(connector.HeaderWopiLock, "abc123")
+				req.Header.Set(connector.HeaderWopiOldLock, "qwerty")
+
+				w := httptest.NewRecorder()
+
+				fc.On("Lock", mock.Anything, "abc123", "qwerty").Times(1).Return("zzz111", connector.NewConnectorError(409, "Lock conflict"))
+
+				httpAdapter.Lock(w, req)
+				resp := w.Result()
+				Expect(resp.StatusCode).To(Equal(409))
+				Expect(resp.Header.Get(connector.HeaderWopiLock)).To(Equal("zzz111"))
+			})
+
+			It("Success", func() {
+				req := httptest.NewRequest("POST", "/wopi/files/abcdef", nil)
+				req.Header.Set("X-WOPI-Override", "LOCK")
+				req.Header.Set(connector.HeaderWopiLock, "abc123")
+				req.Header.Set(connector.HeaderWopiOldLock, "qwerty")
+
+				w := httptest.NewRecorder()
+
+				fc.On("Lock", mock.Anything, "abc123", "qwerty").Times(1).Return("", nil)
+
+				httpAdapter.Lock(w, req)
+				resp := w.Result()
+				Expect(resp.StatusCode).To(Equal(200))
+			})
+		})
+	})
+
+	Describe("RefreshLock", func() {
+		It("General error", func() {
+			req := httptest.NewRequest("POST", "/wopi/files/abcdef", nil)
+			req.Header.Set("X-WOPI-Override", "REFRESH_LOCK")
+			req.Header.Set(connector.HeaderWopiLock, "abc123")
+
+			w := httptest.NewRecorder()
+
+			fc.On("RefreshLock", mock.Anything, "abc123").Times(1).Return("", errors.New("Something happened"))
+
+			httpAdapter.RefreshLock(w, req)
+			resp := w.Result()
+			Expect(resp.StatusCode).To(Equal(500))
+		})
+
+		It("No LockId provided", func() {
+			req := httptest.NewRequest("POST", "/wopi/files/abcdef", nil)
+			req.Header.Set("X-WOPI-Override", "REFRESH_LOCK")
+			req.Header.Set(connector.HeaderWopiLock, "")
+
+			w := httptest.NewRecorder()
+
+			fc.On("RefreshLock", mock.Anything, "").Times(1).Return("", connector.NewConnectorError(400, "No lockId"))
+
+			httpAdapter.RefreshLock(w, req)
+			resp := w.Result()
+			Expect(resp.StatusCode).To(Equal(400))
+		})
+
+		It("Conflict", func() {
+			req := httptest.NewRequest("POST", "/wopi/files/abcdef", nil)
+			req.Header.Set("X-WOPI-Override", "REFRESH_LOCK")
+			req.Header.Set(connector.HeaderWopiLock, "abc123")
+
+			w := httptest.NewRecorder()
+
+			fc.On("RefreshLock", mock.Anything, "abc123").Times(1).Return("zzz111", connector.NewConnectorError(409, "Lock conflict"))
+
+			httpAdapter.RefreshLock(w, req)
+			resp := w.Result()
+			Expect(resp.StatusCode).To(Equal(409))
+			Expect(resp.Header.Get(connector.HeaderWopiLock)).To(Equal("zzz111"))
+		})
+
+		It("Success", func() {
+			req := httptest.NewRequest("POST", "/wopi/files/abcdef", nil)
+			req.Header.Set("X-WOPI-Override", "REFRESH_LOCK")
+			req.Header.Set(connector.HeaderWopiLock, "abc123")
+
+			w := httptest.NewRecorder()
+
+			fc.On("RefreshLock", mock.Anything, "abc123").Times(1).Return("", nil)
+
+			httpAdapter.RefreshLock(w, req)
+			resp := w.Result()
+			Expect(resp.StatusCode).To(Equal(200))
+		})
+	})
+
+	Describe("Unlock", func() {
+		It("General error", func() {
+			req := httptest.NewRequest("POST", "/wopi/files/abcdef", nil)
+			req.Header.Set("X-WOPI-Override", "UNLOCK")
+			req.Header.Set(connector.HeaderWopiLock, "abc123")
+
+			w := httptest.NewRecorder()
+
+			fc.On("UnLock", mock.Anything, "abc123").Times(1).Return("", errors.New("Something happened"))
+
+			httpAdapter.UnLock(w, req)
+			resp := w.Result()
+			Expect(resp.StatusCode).To(Equal(500))
+		})
+
+		It("No LockId provided", func() {
+			req := httptest.NewRequest("POST", "/wopi/files/abcdef", nil)
+			req.Header.Set("X-WOPI-Override", "UNLOCK")
+			req.Header.Set(connector.HeaderWopiLock, "")
+
+			w := httptest.NewRecorder()
+
+			fc.On("UnLock", mock.Anything, "").Times(1).Return("", connector.NewConnectorError(400, "No lockId"))
+
+			httpAdapter.UnLock(w, req)
+			resp := w.Result()
+			Expect(resp.StatusCode).To(Equal(400))
+		})
+
+		It("Conflict", func() {
+			req := httptest.NewRequest("POST", "/wopi/files/abcdef", nil)
+			req.Header.Set("X-WOPI-Override", "UNLOCK")
+			req.Header.Set(connector.HeaderWopiLock, "abc123")
+
+			w := httptest.NewRecorder()
+
+			fc.On("UnLock", mock.Anything, "abc123").Times(1).Return("zzz111", connector.NewConnectorError(409, "Lock conflict"))
+
+			httpAdapter.UnLock(w, req)
+			resp := w.Result()
+			Expect(resp.StatusCode).To(Equal(409))
+			Expect(resp.Header.Get(connector.HeaderWopiLock)).To(Equal("zzz111"))
+		})
+
+		It("Success", func() {
+			req := httptest.NewRequest("POST", "/wopi/files/abcdef", nil)
+			req.Header.Set("X-WOPI-Override", "UNLOCK")
+			req.Header.Set(connector.HeaderWopiLock, "abc123")
+
+			w := httptest.NewRecorder()
+
+			fc.On("UnLock", mock.Anything, "abc123").Times(1).Return("", nil)
+
+			httpAdapter.UnLock(w, req)
+			resp := w.Result()
+			Expect(resp.StatusCode).To(Equal(200))
+		})
+	})
+
+	Describe("CheckFileInfo", func() {
+		It("General error", func() {
+			req := httptest.NewRequest("GET", "/wopi/files/abcdef", nil)
+
+			w := httptest.NewRecorder()
+
+			fc.On("CheckFileInfo", mock.Anything).Times(1).Return(connector.FileInfo{}, errors.New("Something happened"))
+
+			httpAdapter.CheckFileInfo(w, req)
+			resp := w.Result()
+			Expect(resp.StatusCode).To(Equal(500))
+		})
+
+		It("Not found", func() {
+			// 404 isn't thrown at the moment. Test is here to prove it's possible to
+			// throw any error code
+			req := httptest.NewRequest("GET", "/wopi/files/abcdef", nil)
+
+			w := httptest.NewRecorder()
+
+			fc.On("CheckFileInfo", mock.Anything).Times(1).Return(connector.FileInfo{}, connector.NewConnectorError(404, "Not found"))
+
+			httpAdapter.CheckFileInfo(w, req)
+			resp := w.Result()
+			Expect(resp.StatusCode).To(Equal(404))
+		})
+
+		It("Success", func() {
+			req := httptest.NewRequest("GET", "/wopi/files/abcdef", nil)
+
+			w := httptest.NewRecorder()
+
+			// might need more info, but should be enough for the test
+			fileinfo := connector.FileInfo{
+				Size:              123456789,
+				BreadcrumbDocName: "testy.docx",
+			}
+			fc.On("CheckFileInfo", mock.Anything).Times(1).Return(fileinfo, nil)
+
+			httpAdapter.CheckFileInfo(w, req)
+			resp := w.Result()
+			Expect(resp.StatusCode).To(Equal(200))
+
+			jsonInfo, _ := io.ReadAll(resp.Body)
+
+			var responseInfo connector.FileInfo
+			json.Unmarshal(jsonInfo, &responseInfo)
+			Expect(responseInfo).To(Equal(fileinfo))
+		})
+	})
+
+	Describe("GetFile", func() {
+		It("General error", func() {
+			req := httptest.NewRequest("GET", "/wopi/files/abcdef/contents", nil)
+
+			w := httptest.NewRecorder()
+
+			cc.On("GetFile", mock.Anything, mock.Anything).Times(1).Return(errors.New("Something happened"))
+
+			httpAdapter.GetFile(w, req)
+			resp := w.Result()
+			Expect(resp.StatusCode).To(Equal(500))
+		})
+
+		It("Not found", func() {
+			// 404 isn't thrown at the moment. Test is here to prove it's possible to
+			// throw any error code
+			req := httptest.NewRequest("GET", "/wopi/files/abcdef/contents", nil)
+
+			w := httptest.NewRecorder()
+
+			cc.On("GetFile", mock.Anything, mock.Anything).Times(1).Return(connector.NewConnectorError(404, "Not found"))
+
+			httpAdapter.GetFile(w, req)
+			resp := w.Result()
+			Expect(resp.StatusCode).To(Equal(404))
+		})
+
+		It("Success", func() {
+			req := httptest.NewRequest("GET", "/wopi/files/abcdef/contents", nil)
+
+			w := httptest.NewRecorder()
+
+			expectedContent := []byte("This is a fake content for a test file")
+			cc.On("GetFile", mock.Anything, mock.Anything).Times(1).Run(func(args mock.Arguments) {
+				w := args.Get(1).(io.Writer)
+				w.Write(expectedContent)
+			}).Return(nil)
+
+			httpAdapter.GetFile(w, req)
+			resp := w.Result()
+			Expect(resp.StatusCode).To(Equal(200))
+
+			content, _ := io.ReadAll(resp.Body)
+			Expect(content).To(Equal(expectedContent))
+		})
+	})
+
+	Describe("PutFile", func() {
+		It("General error", func() {
+			contentBody := "this is the new fake content"
+			req := httptest.NewRequest("GET", "/wopi/files/abcdef/contents", strings.NewReader(contentBody))
+			req.Header.Set(connector.HeaderWopiLock, "abc123")
+
+			w := httptest.NewRecorder()
+
+			cc.On("PutFile", mock.Anything, mock.Anything, int64(len(contentBody)), "abc123").Times(1).Return("", errors.New("Something happened"))
+
+			httpAdapter.PutFile(w, req)
+			resp := w.Result()
+			Expect(resp.StatusCode).To(Equal(500))
+		})
+
+		It("Conflict", func() {
+			contentBody := "this is the new fake content"
+			req := httptest.NewRequest("GET", "/wopi/files/abcdef/contents", strings.NewReader(contentBody))
+			req.Header.Set(connector.HeaderWopiLock, "abc123")
+
+			w := httptest.NewRecorder()
+
+			cc.On("PutFile", mock.Anything, mock.Anything, int64(len(contentBody)), "abc123").Times(1).Return("zzz111", connector.NewConnectorError(409, "Lock conflict"))
+
+			httpAdapter.PutFile(w, req)
+			resp := w.Result()
+			Expect(resp.StatusCode).To(Equal(409))
+			Expect(resp.Header.Get(connector.HeaderWopiLock)).To(Equal("zzz111"))
+		})
+
+		It("Success", func() {
+			contentBody := "this is the new fake content"
+			req := httptest.NewRequest("GET", "/wopi/files/abcdef/contents", strings.NewReader(contentBody))
+			req.Header.Set(connector.HeaderWopiLock, "abc123")
+
+			w := httptest.NewRecorder()
+
+			cc.On("PutFile", mock.Anything, mock.Anything, int64(len(contentBody)), "abc123").Times(1).Return("", nil)
+
+			httpAdapter.PutFile(w, req)
+			resp := w.Result()
+			Expect(resp.StatusCode).To(Equal(200))
+		})
+	})
+})