show_collection({uuid: NONEXISTENT_COLLECTION, id: NONEXISTENT_COLLECTION},
:active, 404)
end
+
+ test "use a reasonable read buffer even if client requests a huge range" do
+ fakefiledata = mock
+ IO.expects(:popen).returns(fakefiledata)
+ fakefiledata.expects(:read).twice.with() do |length|
+ # Fail the test if read() is called with length>1MiB:
+ length < 2**20
+ ## Force the ActionController::Live thread to lose the race to
+ ## verify that @response.body.length actually waits for the
+ ## response (see below):
+ # sleep 3
+ end.returns("foo\n", nil)
+ fakefiledata.expects(:close)
+ foo_file = api_fixture('collections')['foo_file']
+ @request.headers['Range'] = 'bytes=0-4294967296/*'
+ get :show_file, {
+ uuid: foo_file['uuid'],
+ file: foo_file['manifest_text'].match(/ \d+:\d+:(\S+)/)[1]
+ }, session_for(:active)
+ # Wait for the whole response to arrive before deciding whether
+ # mocks' expectations were met. Otherwise, Mocha will fail the
+ # test depending on how slowly the ActionController::Live thread
+ # runs.
+ @response.body.length
+ end
end