func (s *S) TestSetModeMonotonicAfterStrong(c *C) {
// Test that a strong session shifting to a monotonic
// one preserves the socket untouched.
session, err := mgo.Dial("localhost:40012")
c.Assert(err, IsNil)
defer session.Close()
// Insert something to force a connection to the master.
coll := session.DB("mydb").C("mycoll")
err = coll.Insert(M{"a": 1})
c.Assert(err, IsNil)
session.SetMode(mgo.Monotonic, false)
// Wait since the sync also uses sockets.
for len(session.LiveServers()) != 3 {
c.Log("Waiting for cluster sync to finish...")
time.Sleep(5e8)
}
// Master socket should still be reserved.
stats := mgo.GetStats()
c.Assert(stats.SocketsInUse, Equals, 1)
// Confirm it's the master even though it's Monotonic by now.
result := M{}
cmd := session.DB("admin").C("$cmd")
err = cmd.Find(M{"ismaster": 1}).One(&result)
c.Assert(err, IsNil)
c.Assert(result["ismaster"], Equals, true)
}
func (s *S) TestAuthAddUserReplaces(c *C) {
session, err := mgo.Dial("localhost:40002")
c.Assert(err, IsNil)
defer session.Close()
admindb := session.DB("admin")
err = admindb.Login("root", "rapadura")
c.Assert(err, IsNil)
mydb := session.DB("mydb")
err = mydb.AddUser("myuser", "myoldpass", false)
c.Assert(err, IsNil)
err = mydb.AddUser("myuser", "mynewpass", true)
c.Assert(err, IsNil)
admindb.Logout()
err = mydb.Login("myuser", "myoldpass")
c.Assert(err, ErrorMatches, "auth fails")
err = mydb.Login("myuser", "mynewpass")
c.Assert(err, IsNil)
// ReadOnly flag was changed too.
err = mydb.C("mycoll").Insert(M{"n": 1})
c.Assert(err, ErrorMatches, "unauthorized")
}
func (s *S) TestPrimaryShutdownEventual(c *C) {
if *fast {
c.Skip("-fast")
}
session, err := mgo.Dial("localhost:40021")
c.Assert(err, IsNil)
defer session.Close()
result := &struct{ Host string }{}
err = session.Run("serverStatus", result)
c.Assert(err, IsNil)
master := result.Host
session.SetMode(mgo.Eventual, true)
// Should connect to the master when needed.
coll := session.DB("mydb").C("mycoll")
err = coll.Insert(M{"a": 1})
c.Assert(err, IsNil)
// Kill the master.
s.Stop(master)
// Should still work, with the new master now.
coll = session.DB("mydb").C("mycoll")
err = coll.Insert(M{"a": 1})
c.Assert(err, IsNil)
err = session.Run("serverStatus", result)
c.Assert(err, IsNil)
c.Assert(result.Host, Not(Equals), master)
}
func (s *S) TestAuthLoginSwitchUser(c *C) {
session, err := mgo.Dial("localhost:40002")
c.Assert(err, IsNil)
defer session.Close()
admindb := session.DB("admin")
err = admindb.Login("root", "rapadura")
c.Assert(err, IsNil)
coll := session.DB("mydb").C("mycoll")
err = coll.Insert(M{"n": 1})
c.Assert(err, IsNil)
err = admindb.Login("reader", "rapadura")
c.Assert(err, IsNil)
// Can't write.
err = coll.Insert(M{"n": 1})
c.Assert(err, ErrorMatches, "unauthorized")
// But can read.
result := struct{ N int }{}
err = coll.Find(nil).One(&result)
c.Assert(err, IsNil)
c.Assert(result.N, Equals, 1)
}
func (s *S) TestGridFSOpen(c *C) {
session, err := mgo.Dial("localhost:40011")
c.Assert(err, IsNil)
defer session.Close()
db := session.DB("mydb")
gfs := db.GridFS("fs")
file, err := gfs.Create("myfile.txt")
c.Assert(err, IsNil)
file.Write([]byte{'1'})
file.Close()
file, err = gfs.Create("myfile.txt")
c.Assert(err, IsNil)
file.Write([]byte{'2'})
file.Close()
file, err = gfs.Open("myfile.txt")
c.Assert(err, IsNil)
defer file.Close()
var b [1]byte
_, err = file.Read(b[:])
c.Assert(err, IsNil)
c.Assert(string(b[:]), Equals, "2")
}
func (s *S) TestAuthLoginChangePassword(c *C) {
session, err := mgo.Dial("localhost:40002")
c.Assert(err, IsNil)
defer session.Close()
admindb := session.DB("admin")
err = admindb.Login("root", "rapadura")
c.Assert(err, IsNil)
mydb := session.DB("mydb")
err = mydb.AddUser("myuser", "myoldpass", false)
c.Assert(err, IsNil)
err = mydb.Login("myuser", "myoldpass")
c.Assert(err, IsNil)
err = mydb.AddUser("myuser", "mynewpass", true)
c.Assert(err, IsNil)
err = mydb.Login("myuser", "mynewpass")
c.Assert(err, IsNil)
admindb.Logout()
// The second login must be in effect, which means read-only.
err = mydb.C("mycoll").Insert(M{"n": 1})
c.Assert(err, ErrorMatches, "unauthorized")
}
func (s *S) TestDirect(c *C) {
session, err := mgo.Dial("localhost:40012?connect=direct")
c.Assert(err, IsNil)
defer session.Close()
// We know that server is a slave.
session.SetMode(mgo.Monotonic, true)
result := &struct{ Host string }{}
err = session.Run("serverStatus", result)
c.Assert(err, IsNil)
c.Assert(strings.HasSuffix(result.Host, ":40012"), Equals, true)
stats := mgo.GetStats()
c.Assert(stats.SocketsAlive, Equals, 1)
c.Assert(stats.SocketsInUse, Equals, 1)
c.Assert(stats.SocketRefs, Equals, 1)
// We've got no master, so it'll timeout.
session.SetSyncTimeout(5e8 * time.Nanosecond)
coll := session.DB("mydb").C("mycoll")
err = coll.Insert(M{"test": 1})
c.Assert(err, ErrorMatches, "no reachable servers")
// Slave is still reachable.
result.Host = ""
err = session.Run("serverStatus", result)
c.Assert(err, IsNil)
c.Assert(strings.HasSuffix(result.Host, ":40012"), Equals, true)
}
func searchHandler(w http.ResponseWriter, r *http.Request) {
var err error
if *debug {
log.Trace(fmt.Sprintf("%+v", skynet.LogsearchClient{
r.RemoteAddr, r.Method, r.URL.Path,
}))
}
sdata := make([]string, 0)
if session == nil {
session, err = mgo.Dial(*mgoserver)
if err != nil {
log.Error(fmt.Sprintf("%+v", skynet.MongoError{
*mgoserver, "can't connect to server",
}))
// Tell client:
// TODO: proper error pages?
w.Write([]byte("<html><body>Error establishing MongoDB connection</body></html>"))
return
}
log.Trace(fmt.Sprintf("%+v", skynet.MongoConnected{*mgoserver}))
}
var dbs []string
if *mgodb != "" {
// Only connect to the supplied database
dbs = []string{*mgodb}
} else {
dbs, err = session.DatabaseNames()
if err != nil {
log.Error(fmt.Sprintf("%+v", skynet.MongoError{
*mgoserver,
fmt.Sprintf("unable to obtain database list: %s", err),
}))
// TODO: proper error pages?
w.Write([]byte("<html><body>Unable to obtain database list</body></html>"))
return
}
}
for _, db := range dbs {
ndb := session.DB(db)
colls, err := ndb.CollectionNames()
if err != nil {
log.Trace(fmt.Sprintf("%+v", skynet.MongoError{
*mgoserver,
fmt.Sprintf("unable to obtain collection names: %s", err),
}))
continue
}
for _, coll := range colls {
sdata = append(sdata, db+":"+coll)
}
}
buf := new(bytes.Buffer)
searchTmpl.Execute(buf, sdata)
layoutTmpl.Execute(w, template.HTML(buf.String()))
}
func (s *S) TestAuthAddUser(c *C) {
session, err := mgo.Dial("localhost:40002")
c.Assert(err, IsNil)
defer session.Close()
admindb := session.DB("admin")
err = admindb.Login("root", "rapadura")
c.Assert(err, IsNil)
mydb := session.DB("mydb")
err = mydb.AddUser("myruser", "mypass", true)
c.Assert(err, IsNil)
err = mydb.AddUser("mywuser", "mypass", false)
c.Assert(err, IsNil)
err = mydb.Login("myruser", "mypass")
c.Assert(err, IsNil)
admindb.Logout()
coll := session.DB("mydb").C("mycoll")
err = coll.Insert(M{"n": 1})
c.Assert(err, ErrorMatches, "unauthorized")
err = mydb.Login("mywuser", "mypass")
c.Assert(err, IsNil)
err = coll.Insert(M{"n": 1})
c.Assert(err, IsNil)
}
func (s *S) TestGridFSRemove(c *C) {
session, err := mgo.Dial("localhost:40011")
c.Assert(err, IsNil)
defer session.Close()
db := session.DB("mydb")
gfs := db.GridFS("fs")
file, err := gfs.Create("myfile.txt")
c.Assert(err, IsNil)
file.Write([]byte{'1'})
file.Close()
file, err = gfs.Create("myfile.txt")
c.Assert(err, IsNil)
file.Write([]byte{'2'})
file.Close()
err = gfs.Remove("myfile.txt")
c.Assert(err, IsNil)
_, err = gfs.Open("myfile.txt")
c.Assert(err == mgo.ErrNotFound, Equals, true)
n, err := db.C("fs.chunks").Find(nil).Count()
c.Assert(err, IsNil)
c.Assert(n, Equals, 0)
}
func (s *S) TestTopologySyncWithSlaveSeed(c *C) {
// That's supposed to be a slave. Must run discovery
// and find out master to insert successfully.
session, err := mgo.Dial("localhost:40012")
c.Assert(err, IsNil)
defer session.Close()
coll := session.DB("mydb").C("mycoll")
coll.Insert(M{"a": 1, "b": 2})
result := struct{ Ok bool }{}
err = session.Run("getLastError", &result)
c.Assert(err, IsNil)
c.Assert(result.Ok, Equals, true)
// One connection to each during discovery. Master
// socket recycled for insert.
stats := mgo.GetStats()
c.Assert(stats.MasterConns, Equals, 1)
c.Assert(stats.SlaveConns, Equals, 2)
// Only one socket reference alive, in the master socket owned
// by the above session.
c.Assert(stats.SocketsInUse, Equals, 1)
// Refresh it, and it must be gone.
session.Refresh()
stats = mgo.GetStats()
c.Assert(stats.SocketsInUse, Equals, 0)
}
func (s *S) TestGridFSReadChunking(c *C) {
session, err := mgo.Dial("localhost:40011")
c.Assert(err, IsNil)
defer session.Close()
db := session.DB("mydb")
gfs := db.GridFS("fs")
file, err := gfs.Create("")
c.Assert(err, IsNil)
id := file.Id()
file.SetChunkSize(5)
n, err := file.Write([]byte("abcdefghijklmnopqrstuv"))
c.Assert(err, IsNil)
c.Assert(n, Equals, 22)
err = file.Close()
c.Assert(err, IsNil)
file, err = gfs.OpenId(id)
c.Assert(err, IsNil)
b := make([]byte, 30)
// Smaller than the chunk size.
n, err = file.Read(b[:3])
c.Assert(err, IsNil)
c.Assert(n, Equals, 3)
c.Assert(b[:3], DeepEquals, []byte("abc"))
// Boundary in the middle.
n, err = file.Read(b[:4])
c.Assert(err, IsNil)
c.Assert(n, Equals, 4)
c.Assert(b[:4], DeepEquals, []byte("defg"))
// Boundary at the end.
n, err = file.Read(b[:3])
c.Assert(err, IsNil)
c.Assert(n, Equals, 3)
c.Assert(b[:3], DeepEquals, []byte("hij"))
// Larger than the chunk size, with 3 chunks.
n, err = file.Read(b)
c.Assert(err, IsNil)
c.Assert(n, Equals, 12)
c.Assert(b[:12], DeepEquals, []byte("klmnopqrstuv"))
n, err = file.Read(b)
c.Assert(n, Equals, 0)
c.Assert(err == io.EOF, Equals, true)
err = file.Close()
c.Assert(err, IsNil)
}
func (s *S) TestAuthURL(c *C) {
session, err := mgo.Dial("mongodb://*****:*****@localhost:40002/")
c.Assert(err, IsNil)
defer session.Close()
err = session.DB("mydb").C("mycoll").Insert(M{"n": 1})
c.Assert(err, IsNil)
}
func (s *S) TestAuthURLWrongCredentials(c *C) {
session, err := mgo.Dial("mongodb://*****:*****@localhost:40002/")
if session != nil {
session.Close()
}
c.Assert(err, ErrorMatches, "auth fails")
c.Assert(session, IsNil)
}
func (s *S) TestGridFSOpenNext(c *C) {
session, err := mgo.Dial("localhost:40011")
c.Assert(err, IsNil)
defer session.Close()
db := session.DB("mydb")
gfs := db.GridFS("fs")
file, err := gfs.Create("myfile1.txt")
c.Assert(err, IsNil)
file.Write([]byte{'1'})
file.Close()
file, err = gfs.Create("myfile2.txt")
c.Assert(err, IsNil)
file.Write([]byte{'2'})
file.Close()
var f *mgo.GridFile
var b [1]byte
iter := gfs.Find(nil).Sort("-filename").Iter()
ok := gfs.OpenNext(iter, &f)
c.Assert(ok, Equals, true)
c.Check(f.Name(), Equals, "myfile2.txt")
_, err = f.Read(b[:])
c.Assert(err, IsNil)
c.Assert(string(b[:]), Equals, "2")
ok = gfs.OpenNext(iter, &f)
c.Assert(ok, Equals, true)
c.Check(f.Name(), Equals, "myfile1.txt")
_, err = f.Read(b[:])
c.Assert(err, IsNil)
c.Assert(string(b[:]), Equals, "1")
ok = gfs.OpenNext(iter, &f)
c.Assert(ok, Equals, false)
c.Assert(iter.Err(), IsNil)
c.Assert(f, IsNil)
// Do it again with a more restrictive query to make sure
// it's actually taken into account.
iter = gfs.Find(bson.M{"filename": "myfile1.txt"}).Iter()
ok = gfs.OpenNext(iter, &f)
c.Assert(ok, Equals, true)
c.Check(f.Name(), Equals, "myfile1.txt")
ok = gfs.OpenNext(iter, &f)
c.Assert(ok, Equals, false)
c.Assert(iter.Err(), IsNil)
c.Assert(f, IsNil)
}
// NewMongoSemanticLogger connects to a MongoDB instance at the given
// address (often "localhost").
func NewMongoSemanticLogger(addr, dbName, collectionName,
uuid string) (ml *MongoSemanticLogger, err error) {
ml = &MongoSemanticLogger{
dbName: dbName,
collectionName: collectionName,
uuid: uuid,
}
ml.session, err = mgo.Dial(addr)
return
}
func (s *S) TestAuthURLWithDatabase(c *C) {
session, err := mgo.Dial("mongodb://*****:*****@localhost:40002")
c.Assert(err, IsNil)
defer session.Close()
mydb := session.DB("mydb")
err = mydb.AddUser("myruser", "mypass", true)
c.Assert(err, IsNil)
usession, err := mgo.Dial("mongodb://*****:*****@localhost:40002/mydb")
c.Assert(err, IsNil)
defer usession.Close()
ucoll := usession.DB("mydb").C("mycoll")
err = ucoll.FindId(0).One(nil)
c.Assert(err, Equals, mgo.ErrNotFound)
err = ucoll.Insert(M{"n": 1})
c.Assert(err, ErrorMatches, "unauthorized")
}
func (s *S) TestSetModeEventualIterBug(c *C) {
session1, err := mgo.Dial("localhost:40011")
c.Assert(err, IsNil)
defer session1.Close()
session1.SetMode(mgo.Eventual, false)
coll1 := session1.DB("mydb").C("mycoll")
const N = 100
for i := 0; i < N; i++ {
err = coll1.Insert(M{"_id": i})
c.Assert(err, IsNil)
}
c.Logf("Waiting until secondary syncs")
for {
n, err := coll1.Count()
c.Assert(err, IsNil)
if n == N {
c.Logf("Found all")
break
}
}
session2, err := mgo.Dial("localhost:40011")
c.Assert(err, IsNil)
defer session2.Close()
session2.SetMode(mgo.Eventual, false)
coll2 := session2.DB("mydb").C("mycoll")
i := 0
iter := coll2.Find(nil).Batch(10).Iter()
var result struct{}
for iter.Next(&result) {
i++
}
c.Assert(iter.Err(), Equals, nil)
c.Assert(i, Equals, N)
}
func (s *MgoSuite) SetUpTest(c *C) {
err := DropAll(mgoaddr)
if err != nil {
panic(err)
}
mgo.SetLogger(c)
mgo.ResetStats()
s.session, err = mgo.Dial(mgoaddr)
c.Assert(err, IsNil)
}
func getOpCounters(server string) (c *OpCounters, err error) {
session, err := mgo.Dial(server + "?connect=direct")
if err != nil {
return nil, err
}
defer session.Close()
session.SetMode(mgo.Monotonic, true)
result := struct{ OpCounters }{}
err = session.Run("serverStatus", &result)
return &result.OpCounters, err
}
func (s *S) SetUpSuite(c *C) {
mgo.SetDebug(true)
mgo.SetStats(true)
s.StartAll()
session, err := mgo.Dial("localhost:40001")
c.Assert(err, IsNil)
s.build, err = session.BuildInfo()
c.Check(err, IsNil)
session.Close()
}
func (s *S) TestNewSession(c *C) {
session, err := mgo.Dial("localhost:40001")
c.Assert(err, IsNil)
defer session.Close()
// Do a dummy operation to wait for connection.
coll := session.DB("mydb").C("mycoll")
err = coll.Insert(M{"_id": 1})
c.Assert(err, IsNil)
// Tweak safety and query settings to ensure other has copied those.
session.SetSafe(nil)
session.SetBatch(-1)
other := session.New()
defer other.Close()
session.SetSafe(&mgo.Safe{})
// Clone was copied while session was unsafe, so no errors.
otherColl := other.DB("mydb").C("mycoll")
err = otherColl.Insert(M{"_id": 1})
c.Assert(err, IsNil)
// Original session was made safe again.
err = coll.Insert(M{"_id": 1})
c.Assert(err, NotNil)
// With New(), each session has its own socket now.
stats := mgo.GetStats()
c.Assert(stats.MasterConns, Equals, 2)
c.Assert(stats.SocketsInUse, Equals, 2)
// Ensure query parameters were cloned.
err = otherColl.Insert(M{"_id": 2})
c.Assert(err, IsNil)
// Ping the database to ensure the nonce has been received already.
c.Assert(other.Ping(), IsNil)
mgo.ResetStats()
iter := otherColl.Find(M{}).Iter()
c.Assert(err, IsNil)
m := M{}
ok := iter.Next(m)
c.Assert(ok, Equals, true)
err = iter.Err()
c.Assert(err, IsNil)
// If Batch(-1) is in effect, a single document must have been received.
stats = mgo.GetStats()
c.Assert(stats.ReceivedDocs, Equals, 1)
}
func NewMongoLogger(addr, dbName, collectionName, uuid string) (ml *MongoLogger, err error) {
ml = &MongoLogger{
dbName: dbName,
colName: collectionName,
untransitioned: log.New(os.Stderr, "fix-me: ", log.LstdFlags),
uuid: uuid,
}
ml.session, err = mgo.Dial(addr)
if err != nil {
ml.session = nil
}
return
}
func (s *S) TestAuthLoginCachingAcrossPoolWithLogout(c *C) {
// Now verify that logouts are properly flushed if they
// are not revalidated after leaving the pool.
session, err := mgo.Dial("localhost:40002")
c.Assert(err, IsNil)
defer session.Close()
admindb := session.DB("admin")
err = admindb.Login("root", "rapadura")
c.Assert(err, IsNil)
// Add another user to test the logout case at the same time.
mydb := session.DB("mydb")
err = mydb.AddUser("myuser", "mypass", true)
c.Assert(err, IsNil)
err = mydb.Login("myuser", "mypass")
c.Assert(err, IsNil)
// Just some data to query later.
err = session.DB("mydb").C("mycoll").Insert(M{"n": 1})
c.Assert(err, IsNil)
// Give socket back to pool.
session.Refresh()
// Brand new session, should use socket from the pool.
other := session.New()
defer other.Close()
oldStats := mgo.GetStats()
err = other.DB("mydb").Login("myuser", "mypass")
c.Assert(err, IsNil)
// Login was cached, so no ops.
newStats := mgo.GetStats()
c.Assert(newStats.SentOps, Equals, oldStats.SentOps)
// Can't write, since root has been implicitly logged out
// when the collection went into the pool, and not revalidated.
err = other.DB("mydb").C("mycoll").Insert(M{"n": 1})
c.Assert(err, ErrorMatches, "unauthorized")
// But can read due to the revalidated myuser login.
result := struct{ N int }{}
err = other.DB("mydb").C("mycoll").Find(nil).One(&result)
c.Assert(err, IsNil)
c.Assert(result.N, Equals, 1)
}
func (s *S) TestAuthLoginCachingAcrossPool(c *C) {
// Logins are cached even when the conenction goes back
// into the pool.
session, err := mgo.Dial("localhost:40002")
c.Assert(err, IsNil)
defer session.Close()
admindb := session.DB("admin")
err = admindb.Login("root", "rapadura")
c.Assert(err, IsNil)
// Add another user to test the logout case at the same time.
mydb := session.DB("mydb")
err = mydb.AddUser("myuser", "mypass", false)
c.Assert(err, IsNil)
err = mydb.Login("myuser", "mypass")
c.Assert(err, IsNil)
// Logout root explicitly, to test both cases.
admindb.Logout()
// Give socket back to pool.
session.Refresh()
// Brand new session, should use socket from the pool.
other := session.New()
defer other.Close()
oldStats := mgo.GetStats()
err = other.DB("admin").Login("root", "rapadura")
c.Assert(err, IsNil)
err = other.DB("mydb").Login("myuser", "mypass")
c.Assert(err, IsNil)
// Both logins were cached, so no ops.
newStats := mgo.GetStats()
c.Assert(newStats.SentOps, Equals, oldStats.SentOps)
// And they actually worked.
err = other.DB("mydb").C("mycoll").Insert(M{"n": 1})
c.Assert(err, IsNil)
other.DB("admin").Logout()
err = other.DB("mydb").C("mycoll").Insert(M{"n": 1})
c.Assert(err, IsNil)
}
func (s *S) TestPreserveSocketCountOnSync(c *C) {
if *fast {
c.Skip("-fast")
}
session, err := mgo.Dial("localhost:40011")
c.Assert(err, IsNil)
defer session.Close()
stats := mgo.GetStats()
for stats.MasterConns+stats.SlaveConns != 3 {
stats = mgo.GetStats()
c.Log("Waiting for all connections to be established...")
time.Sleep(5e8)
}
c.Assert(stats.SocketsAlive, Equals, 3)
// Kill the master (with rs1, 'a' is always the master).
s.Stop("localhost:40011")
// Wait for the logic to run for a bit and bring it back.
go func() {
time.Sleep(5e9)
s.StartAll()
}()
// Do an action to kick the resync logic in, and also to
// wait until the cluster recognizes the server is back.
result := struct{ Ok bool }{}
err = session.Run("getLastError", &result)
c.Assert(err, IsNil)
c.Assert(result.Ok, Equals, true)
for i := 0; i != 20; i++ {
stats = mgo.GetStats()
if stats.SocketsAlive == 3 {
break
}
c.Logf("Waiting for 3 sockets alive, have %d", stats.SocketsAlive)
time.Sleep(5e8)
}
// Ensure the number of sockets is preserved after syncing.
stats = mgo.GetStats()
c.Assert(stats.SocketsAlive, Equals, 3)
c.Assert(stats.SocketsInUse, Equals, 1)
c.Assert(stats.SocketRefs, Equals, 1)
}
func (s *S) TestAuthLoginCachingWithSessionRefresh(c *C) {
session, err := mgo.Dial("localhost:40002")
c.Assert(err, IsNil)
defer session.Close()
admindb := session.DB("admin")
err = admindb.Login("root", "rapadura")
c.Assert(err, IsNil)
session.Refresh()
coll := session.DB("mydb").C("mycoll")
err = coll.Insert(M{"n": 1})
c.Assert(err, IsNil)
}
func (s *S) TestAuthLoginCachingWithNewSession(c *C) {
session, err := mgo.Dial("localhost:40002")
c.Assert(err, IsNil)
defer session.Close()
admindb := session.DB("admin")
err = admindb.Login("root", "rapadura")
c.Assert(err, IsNil)
session = session.New()
defer session.Close()
coll := session.DB("mydb").C("mycoll")
err = coll.Insert(M{"n": 1})
c.Assert(err, ErrorMatches, "unauthorized|need to login")
}
func (s *S) TestGridFSOpenNotFound(c *C) {
session, err := mgo.Dial("localhost:40011")
c.Assert(err, IsNil)
defer session.Close()
db := session.DB("mydb")
gfs := db.GridFS("fs")
file, err := gfs.OpenId("non-existent")
c.Assert(err == mgo.ErrNotFound, Equals, true)
c.Assert(file, IsNil)
file, err = gfs.Open("non-existent")
c.Assert(err == mgo.ErrNotFound, Equals, true)
c.Assert(file, IsNil)
}
func (s *S) TestAuthLoginTwiceDoesNothing(c *C) {
session, err := mgo.Dial("localhost:40002")
c.Assert(err, IsNil)
defer session.Close()
admindb := session.DB("admin")
err = admindb.Login("root", "rapadura")
c.Assert(err, IsNil)
oldStats := mgo.GetStats()
err = admindb.Login("root", "rapadura")
c.Assert(err, IsNil)
newStats := mgo.GetStats()
c.Assert(newStats.SentOps, Equals, oldStats.SentOps)
}