feat: add ETag header to PUT response and update tests

Author: larryrider

src/webdav/handlers/PUT.handler.ts

@@ -150,6 +150,7 @@ export class PUTRequestHandler implements WebDavMethodHandler {
         `after ${CLIUtils.formatDuration(totalTime)}`,
     );
 
+    res.header('ETag', WebDavUtils.getItemETag(file));
     res.status(statusCode).send();
   };
 }

test/webdav/handlers/PUT.handler.test.ts

@@ -76,6 +76,7 @@ describe('PUT request handler', () => {
 
     await sut.handle(request, response);
     expect(response.status).toHaveBeenCalledWith(201);
+    expect(response.header).toHaveBeenCalledWith('ETag', WebDavUtils.getItemETag(fileFixture));
     expect(getRequestedResourceStub).toHaveBeenCalledTimes(2);
     expect(getAndSearchItemFromResourceStub).toHaveBeenCalledOnce();
     expect(getDriveFolderFromResourceStub).toHaveBeenCalledOnce();
@@ -123,6 +124,7 @@ describe('PUT request handler', () => {
 
     await sut.handle(request, response);
     expect(response.status).toHaveBeenCalledWith(201);
+    expect(response.header).toHaveBeenCalledWith('ETag', WebDavUtils.getItemETag(fileFixture));
     expect(getRequestedResourceStub).toHaveBeenCalledTimes(2);
     expect(getAndSearchItemFromResourceStub).toHaveBeenCalledOnce();
     expect(getDriveFolderFromResourceStub).toHaveBeenCalledOnce();
@@ -171,6 +173,7 @@ describe('PUT request handler', () => {
 
     await sut.handle(request, response);
     expect(response.status).toHaveBeenCalledWith(204);
+    expect(response.header).toHaveBeenCalledWith('ETag', WebDavUtils.getItemETag(fileFixture));
     expect(getRequestedResourceStub).toHaveBeenCalledTimes(2);
     expect(getAndSearchItemFromResourceStub).toHaveBeenCalledOnce();
     expect(getDriveFolderFromResourceStub).toHaveBeenCalledOnce();