@@ -10,7 +10,7 @@ const sinon = require('sinon');
1010const { Writable } = require ( 'stream' ) ;
1111const { once, on } = require ( 'events' ) ;
1212const { setTimeout } = require ( 'timers' ) ;
13- const { ReadPreference } = require ( '../../mongodb' ) ;
13+ const { ReadPreference, MongoExpiredSessionError } = require ( '../../mongodb' ) ;
1414const { ServerType } = require ( '../../mongodb' ) ;
1515const { formatSort } = require ( '../../mongodb' ) ;
1616const { getSymbolFrom } = require ( '../../tools/utils' ) ;
@@ -1852,61 +1852,31 @@ describe('Cursor', function () {
18521852 }
18531853 } ) ;
18541854
1855- it ( 'should close dead tailable cursors' , {
1856- metadata : {
1857- os : '!win32' // NODE-2943: timeout on windows
1858- } ,
1859-
1860- test : function ( done ) {
1861- // http://www.mongodb.org/display/DOCS/Tailable+Cursors
1862-
1863- const configuration = this . configuration ;
1864- client . connect ( ( err , client ) => {
1865- expect ( err ) . to . not . exist ;
1866- this . defer ( ( ) => client . close ( ) ) ;
1867-
1868- const db = client . db ( configuration . db ) ;
1869- const options = { capped : true , size : 10000000 } ;
1870- db . createCollection (
1871- 'test_if_dead_tailable_cursors_close' ,
1872- options ,
1873- function ( err , collection ) {
1874- expect ( err ) . to . not . exist ;
1855+ it ( 'closes cursors when client is closed even if it has not been exhausted' , async function ( ) {
1856+ await client
1857+ . db ( )
1858+ . dropCollection ( 'test_cleanup_tailable' )
1859+ . catch ( ( ) => null ) ;
18751860
1876- let closeCount = 0 ;
1877- const docs = Array . from ( { length : 100 } ) . map ( ( ) => ( { a : 1 } ) ) ;
1878- collection . insertMany ( docs , { w : 'majority' , wtimeoutMS : 5000 } , err => {
1879- expect ( err ) . to . not . exist ;
1880-
1881- const cursor = collection . find ( { } , { tailable : true , awaitData : true } ) ;
1882- const stream = cursor . stream ( ) ;
1861+ const collection = await client
1862+ . db ( )
1863+ . createCollection ( 'test_cleanup_tailable' , { capped : true , size : 1000 , max : 3 } ) ;
18831864
1884- stream . resume ( ) ;
1885-
1886- var validator = ( ) => {
1887- closeCount ++ ;
1888- if ( closeCount === 2 ) {
1889- done ( ) ;
1890- }
1891- } ;
1865+ // insert only 2 docs in capped coll of 3
1866+ await collection . insertMany ( [ { a : 1 } , { a : 1 } ] ) ;
18921867
1893- // we validate that the stream "ends" either cleanly or with an error
1894- stream . on ( 'end' , validator ) ;
1895- stream . on ( 'error' , validator ) ;
1868+ const cursor = collection . find ( { } , { tailable : true , awaitData : true , maxAwaitTimeMS : 2000 } ) ;
18961869
1897- cursor . on ( 'close' , validator ) ;
1870+ await cursor . next ( ) ;
1871+ await cursor . next ( ) ;
1872+ // will block for maxAwaitTimeMS (except we are closing the client)
1873+ const rejectedEarlyBecauseClientClosed = cursor . next ( ) . catch ( error => error ) ;
18981874
1899- const docs = Array . from ( { length : 100 } ) . map ( ( ) => ( { a : 1 } ) ) ;
1900- collection . insertMany ( docs , err => {
1901- expect ( err ) . to . not . exist ;
1875+ await client . close ( ) ;
1876+ expect ( cursor ) . to . have . property ( 'killed' , true ) ;
19021877
1903- setTimeout ( ( ) => client . close ( ) ) ;
1904- } ) ;
1905- } ) ;
1906- }
1907- ) ;
1908- } ) ;
1909- }
1878+ const error = await rejectedEarlyBecauseClientClosed ;
1879+ expect ( error ) . to . be . instanceOf ( MongoExpiredSessionError ) ;
19101880 } ) ;
19111881
19121882 it ( 'shouldAwaitData' , {
0 commit comments