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cassandra_test.go
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cassandra_test.go
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// Copyright (c) 2012 The gocql Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package gocql
import (
"bytes"
"flag"
"fmt"
"log"
"math"
"math/big"
"net"
"reflect"
"strconv"
"strings"
"sync"
"testing"
"time"
"unicode"
"speter.net/go/exp/math/dec/inf"
)
var (
flagCluster = flag.String("cluster", "127.0.0.1", "a comma-separated list of host:port tuples")
flagProto = flag.Int("proto", 2, "protcol version")
flagCQL = flag.String("cql", "3.0.0", "CQL version")
flagRF = flag.Int("rf", 1, "replication factor for test keyspace")
clusterSize = flag.Int("clusterSize", 1, "the expected size of the cluster")
flagRetry = flag.Int("retries", 5, "number of times to retry queries")
flagAutoWait = flag.Duration("autowait", 1000*time.Millisecond, "time to wait for autodiscovery to fill the hosts poll")
clusterHosts []string
)
func init() {
flag.Parse()
clusterHosts = strings.Split(*flagCluster, ",")
log.SetFlags(log.Lshortfile | log.LstdFlags)
}
var initOnce sync.Once
func createTable(s *Session, table string) error {
err := s.Query(table).Consistency(All).Exec()
if *clusterSize > 1 {
// wait for table definition to propogate
time.Sleep(250 * time.Millisecond)
}
return err
}
func createCluster() *ClusterConfig {
cluster := NewCluster(clusterHosts...)
cluster.ProtoVersion = *flagProto
cluster.CQLVersion = *flagCQL
cluster.Timeout = 5 * time.Second
cluster.Consistency = Quorum
cluster.RetryPolicy.NumRetries = *flagRetry
return cluster
}
func createKeyspace(tb testing.TB, cluster *ClusterConfig, keyspace string) {
session, err := cluster.CreateSession()
if err != nil {
tb.Fatal("createSession:", err)
}
if err = session.Query(`DROP KEYSPACE ` + keyspace).Exec(); err != nil {
tb.Log("drop keyspace:", err)
}
if err := session.Query(fmt.Sprintf(`CREATE KEYSPACE %s
WITH replication = {
'class' : 'SimpleStrategy',
'replication_factor' : %d
}`, keyspace, *flagRF)).Consistency(All).Exec(); err != nil {
tb.Fatalf("error creating keyspace %s: %v", keyspace, err)
}
tb.Logf("Created keyspace %s", keyspace)
session.Close()
}
func createSession(tb testing.TB) *Session {
cluster := createCluster()
// Drop and re-create the keyspace once. Different tests should use their own
// individual tables, but can assume that the table does not exist before.
initOnce.Do(func() {
createKeyspace(tb, cluster, "gocql_test")
})
cluster.Keyspace = "gocql_test"
session, err := cluster.CreateSession()
if err != nil {
tb.Fatal("createSession:", err)
}
return session
}
//TestRingDiscovery makes sure that you can autodiscover other cluster members when you seed a cluster config with just one node
func TestRingDiscovery(t *testing.T) {
cluster := NewCluster(clusterHosts[0])
cluster.ProtoVersion = *flagProto
cluster.CQLVersion = *flagCQL
cluster.Timeout = 5 * time.Second
cluster.Consistency = Quorum
cluster.RetryPolicy.NumRetries = *flagRetry
cluster.DiscoverHosts = true
session, err := cluster.CreateSession()
if err != nil {
t.Errorf("got error connecting to the cluster %v", err)
}
if *clusterSize > 1 {
// wait for autodiscovery to update the pool with the list of known hosts
time.Sleep(*flagAutoWait)
}
size := len(session.Pool.(*SimplePool).connPool)
if *clusterSize != size {
t.Fatalf("Expected a cluster size of %d, but actual size was %d", *clusterSize, size)
}
session.Close()
}
func TestEmptyHosts(t *testing.T) {
cluster := NewCluster()
if session, err := cluster.CreateSession(); err == nil {
session.Close()
t.Error("expected err, got nil")
}
}
//TestUseStatementError checks to make sure the correct error is returned when the user tries to execute a use statement.
func TestUseStatementError(t *testing.T) {
session := createSession(t)
defer session.Close()
if err := session.Query("USE gocql_test").Exec(); err != nil {
if err != ErrUseStmt {
t.Error("expected ErrUseStmt, got " + err.Error())
}
} else {
t.Error("expected err, got nil.")
}
}
//TestInvalidKeyspace checks that an invalid keyspace will return promptly and without a flood of connections
func TestInvalidKeyspace(t *testing.T) {
cluster := NewCluster(clusterHosts...)
cluster.ProtoVersion = *flagProto
cluster.CQLVersion = *flagCQL
cluster.Keyspace = "invalidKeyspace"
session, err := cluster.CreateSession()
if err != nil {
if err != ErrNoConnectionsStarted {
t.Errorf("Expected ErrNoConnections but got %v", err)
}
} else {
session.Close() //Clean up the session
t.Error("expected err, got nil.")
}
}
func TestTracing(t *testing.T) {
session := createSession(t)
defer session.Close()
if err := createTable(session, `CREATE TABLE trace (id int primary key)`); err != nil {
t.Fatal("create:", err)
}
buf := &bytes.Buffer{}
trace := NewTraceWriter(session, buf)
if err := session.Query(`INSERT INTO trace (id) VALUES (?)`, 42).Trace(trace).Exec(); err != nil {
t.Error("insert:", err)
} else if buf.Len() == 0 {
t.Error("insert: failed to obtain any tracing")
}
buf.Reset()
var value int
if err := session.Query(`SELECT id FROM trace WHERE id = ?`, 42).Trace(trace).Scan(&value); err != nil {
t.Error("select:", err)
} else if value != 42 {
t.Errorf("value: expected %d, got %d", 42, value)
} else if buf.Len() == 0 {
t.Error("select: failed to obtain any tracing")
}
}
func TestPaging(t *testing.T) {
if *flagProto == 1 {
t.Skip("Paging not supported. Please use Cassandra >= 2.0")
}
session := createSession(t)
defer session.Close()
if err := createTable(session, "CREATE TABLE paging (id int primary key)"); err != nil {
t.Fatal("create table:", err)
}
for i := 0; i < 100; i++ {
if err := session.Query("INSERT INTO paging (id) VALUES (?)", i).Exec(); err != nil {
t.Fatal("insert:", err)
}
}
iter := session.Query("SELECT id FROM paging").PageSize(10).Iter()
var id int
count := 0
for iter.Scan(&id) {
count++
}
if err := iter.Close(); err != nil {
t.Fatal("close:", err)
}
if count != 100 {
t.Fatalf("expected %d, got %d", 100, count)
}
}
func TestCAS(t *testing.T) {
if *flagProto == 1 {
t.Skip("lightweight transactions not supported. Please use Cassandra >= 2.0")
}
session := createSession(t)
defer session.Close()
if err := createTable(session, `CREATE TABLE cas_table (
title varchar,
revid timeuuid,
last_modified timestamp,
PRIMARY KEY (title, revid)
)`); err != nil {
t.Fatal("create:", err)
}
title, revid, modified := "baz", TimeUUID(), time.Now()
var titleCAS string
var revidCAS UUID
var modifiedCAS time.Time
if applied, err := session.Query(`INSERT INTO cas_table (title, revid, last_modified)
VALUES (?, ?, ?) IF NOT EXISTS`,
title, revid, modified).ScanCAS(&titleCAS, &revidCAS, &modifiedCAS); err != nil {
t.Fatal("insert:", err)
} else if !applied {
t.Fatal("insert should have been applied")
}
if applied, err := session.Query(`INSERT INTO cas_table (title, revid, last_modified)
VALUES (?, ?, ?) IF NOT EXISTS`,
title, revid, modified).ScanCAS(&titleCAS, &revidCAS, &modifiedCAS); err != nil {
t.Fatal("insert:", err)
} else if applied {
t.Fatal("insert should not have been applied")
} else if title != titleCAS || revid != revidCAS {
t.Fatalf("expected %s/%v/%v but got %s/%v/%v", title, revid, modified, titleCAS, revidCAS, modifiedCAS)
}
tenSecondsLater := modified.Add(10 * time.Second)
if applied, err := session.Query(`DELETE FROM cas_table WHERE title = ? and revid = ? IF last_modified = ?`,
title, revid, tenSecondsLater).ScanCAS(&modifiedCAS); err != nil {
t.Fatal("delete:", err)
} else if applied {
t.Fatal("delete should have not been applied")
}
if modifiedCAS.Unix() != tenSecondsLater.Add(-10*time.Second).Unix() {
t.Fatalf("Was expecting modified CAS to be %v; but was one second later", modifiedCAS.UTC())
}
if _, err := session.Query(`DELETE FROM cas_table WHERE title = ? and revid = ? IF last_modified = ?`,
title, revid, tenSecondsLater).ScanCAS(); err.Error() != "count mismatch" {
t.Fatalf("delete: was expecting count mismatch error but got %s", err)
}
if applied, err := session.Query(`DELETE FROM cas_table WHERE title = ? and revid = ? IF last_modified = ?`,
title, revid, modified).ScanCAS(&modifiedCAS); err != nil {
t.Fatal("delete:", err)
} else if !applied {
t.Fatal("delete should have been applied")
}
}
func TestBatch(t *testing.T) {
if *flagProto == 1 {
t.Skip("atomic batches not supported. Please use Cassandra >= 2.0")
}
session := createSession(t)
defer session.Close()
if err := createTable(session, `CREATE TABLE batch_table (id int primary key)`); err != nil {
t.Fatal("create table:", err)
}
batch := NewBatch(LoggedBatch)
for i := 0; i < 100; i++ {
batch.Query(`INSERT INTO batch_table (id) VALUES (?)`, i)
}
if err := session.ExecuteBatch(batch); err != nil {
t.Fatal("execute batch:", err)
}
count := 0
if err := session.Query(`SELECT COUNT(*) FROM batch_table`).Scan(&count); err != nil {
t.Fatal("select count:", err)
} else if count != 100 {
t.Fatalf("count: expected %d, got %d\n", 100, count)
}
}
// TestBatchLimit tests gocql to make sure batch operations larger than the maximum
// statement limit are not submitted to a cassandra node.
func TestBatchLimit(t *testing.T) {
if *flagProto == 1 {
t.Skip("atomic batches not supported. Please use Cassandra >= 2.0")
}
session := createSession(t)
defer session.Close()
if err := createTable(session, `CREATE TABLE batch_table2 (id int primary key)`); err != nil {
t.Fatal("create table:", err)
}
batch := NewBatch(LoggedBatch)
for i := 0; i < 65537; i++ {
batch.Query(`INSERT INTO batch_table2 (id) VALUES (?)`, i)
}
if err := session.ExecuteBatch(batch); err != ErrTooManyStmts {
t.Fatal("gocql attempted to execute a batch larger than the support limit of statements.")
}
}
// TestTooManyQueryArgs tests to make sure the library correctly handles the application level bug
// whereby too many query arguments are passed to a query
func TestTooManyQueryArgs(t *testing.T) {
if *flagProto == 1 {
t.Skip("atomic batches not supported. Please use Cassandra >= 2.0")
}
session := createSession(t)
defer session.Close()
if err := createTable(session, `CREATE TABLE too_many_query_args (id int primary key, value int)`); err != nil {
t.Fatal("create table:", err)
}
_, err := session.Query(`SELECT * FROM too_many_query_args WHERE id = ?`, 1, 2).Iter().SliceMap()
if err == nil {
t.Fatal("'`SELECT * FROM too_many_query_args WHERE id = ?`, 1, 2' should return an ErrQueryArgLength")
}
if err != ErrQueryArgLength {
t.Fatalf("'`SELECT * FROM too_many_query_args WHERE id = ?`, 1, 2' should return an ErrQueryArgLength, but returned: %s", err)
}
batch := session.NewBatch(UnloggedBatch)
batch.Query("INSERT INTO too_many_query_args (id, value) VALUES (?, ?)", 1, 2, 3)
err = session.ExecuteBatch(batch)
if err == nil {
t.Fatal("'`INSERT INTO too_many_query_args (id, value) VALUES (?, ?)`, 1, 2, 3' should return an ErrQueryArgLength")
}
if err != ErrQueryArgLength {
t.Fatalf("'INSERT INTO too_many_query_args (id, value) VALUES (?, ?)`, 1, 2, 3' should return an ErrQueryArgLength, but returned: %s", err)
}
}
// TestNotEnoughQueryArgs tests to make sure the library correctly handles the application level bug
// whereby not enough query arguments are passed to a query
func TestNotEnoughQueryArgs(t *testing.T) {
if *flagProto == 1 {
t.Skip("atomic batches not supported. Please use Cassandra >= 2.0")
}
session := createSession(t)
defer session.Close()
if err := createTable(session, `CREATE TABLE not_enough_query_args (id int, cluster int, value int, primary key (id, cluster))`); err != nil {
t.Fatal("create table:", err)
}
_, err := session.Query(`SELECT * FROM not_enough_query_args WHERE id = ? and cluster = ?`, 1).Iter().SliceMap()
if err == nil {
t.Fatal("'`SELECT * FROM not_enough_query_args WHERE id = ? and cluster = ?`, 1' should return an ErrQueryArgLength")
}
if err != ErrQueryArgLength {
t.Fatalf("'`SELECT * FROM too_few_query_args WHERE id = ? and cluster = ?`, 1' should return an ErrQueryArgLength, but returned: %s", err)
}
batch := session.NewBatch(UnloggedBatch)
batch.Query("INSERT INTO not_enough_query_args (id, cluster, value) VALUES (?, ?, ?)", 1, 2)
err = session.ExecuteBatch(batch)
if err == nil {
t.Fatal("'`INSERT INTO not_enough_query_args (id, cluster, value) VALUES (?, ?, ?)`, 1, 2' should return an ErrQueryArgLength")
}
if err != ErrQueryArgLength {
t.Fatalf("'INSERT INTO not_enough_query_args (id, cluster, value) VALUES (?, ?, ?)`, 1, 2' should return an ErrQueryArgLength, but returned: %s", err)
}
}
// TestCreateSessionTimeout tests to make sure the CreateSession function timeouts out correctly
// and prevents an infinite loop of connection retries.
func TestCreateSessionTimeout(t *testing.T) {
go func() {
<-time.After(2 * time.Second)
t.Fatal("no startup timeout")
}()
c := NewCluster("127.0.0.1:1")
_, err := c.CreateSession()
if err == nil {
t.Fatal("expected ErrNoConnectionsStarted, but no error was returned.")
}
if err != ErrNoConnectionsStarted {
t.Fatalf("expected ErrNoConnectionsStarted, but received %v", err)
}
}
func TestSliceMap(t *testing.T) {
session := createSession(t)
defer session.Close()
if err := createTable(session, `CREATE TABLE slice_map_table (
testuuid timeuuid PRIMARY KEY,
testtimestamp timestamp,
testvarchar varchar,
testbigint bigint,
testblob blob,
testbool boolean,
testfloat float,
testdouble double,
testint int,
testdecimal decimal,
testlist list<text>,
testset set<int>,
testmap map<varchar, varchar>,
testvarint varint,
testinet inet
)`); err != nil {
t.Fatal("create table:", err)
}
m := make(map[string]interface{})
bigInt := new(big.Int)
if _, ok := bigInt.SetString("830169365738487321165427203929228", 10); !ok {
t.Fatal("Failed setting bigint by string")
}
m["testuuid"] = TimeUUID()
m["testvarchar"] = "Test VarChar"
m["testbigint"] = time.Now().Unix()
m["testtimestamp"] = time.Now().Truncate(time.Millisecond).UTC()
m["testblob"] = []byte("test blob")
m["testbool"] = true
m["testfloat"] = float32(4.564)
m["testdouble"] = float64(4.815162342)
m["testint"] = 2343
m["testdecimal"] = inf.NewDec(100, 0)
m["testlist"] = []string{"quux", "foo", "bar", "baz", "quux"}
m["testset"] = []int{1, 2, 3, 4, 5, 6, 7, 8, 9}
m["testmap"] = map[string]string{"field1": "val1", "field2": "val2", "field3": "val3"}
m["testvarint"] = bigInt
m["testinet"] = "213.212.2.19"
sliceMap := []map[string]interface{}{m}
if err := session.Query(`INSERT INTO slice_map_table (testuuid, testtimestamp, testvarchar, testbigint, testblob, testbool, testfloat, testdouble, testint, testdecimal, testlist, testset, testmap, testvarint, testinet) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`,
m["testuuid"], m["testtimestamp"], m["testvarchar"], m["testbigint"], m["testblob"], m["testbool"], m["testfloat"], m["testdouble"], m["testint"], m["testdecimal"], m["testlist"], m["testset"], m["testmap"], m["testvarint"], m["testinet"]).Exec(); err != nil {
t.Fatal("insert:", err)
}
if returned, retErr := session.Query(`SELECT * FROM slice_map_table`).Iter().SliceMap(); retErr != nil {
t.Fatal("select:", retErr)
} else {
if sliceMap[0]["testuuid"] != returned[0]["testuuid"] {
t.Fatal("returned testuuid did not match")
}
if sliceMap[0]["testtimestamp"] != returned[0]["testtimestamp"] {
t.Fatalf("returned testtimestamp did not match: %v %v", sliceMap[0]["testtimestamp"], returned[0]["testtimestamp"])
}
if sliceMap[0]["testvarchar"] != returned[0]["testvarchar"] {
t.Fatal("returned testvarchar did not match")
}
if sliceMap[0]["testbigint"] != returned[0]["testbigint"] {
t.Fatal("returned testbigint did not match")
}
if !reflect.DeepEqual(sliceMap[0]["testblob"], returned[0]["testblob"]) {
t.Fatal("returned testblob did not match")
}
if sliceMap[0]["testbool"] != returned[0]["testbool"] {
t.Fatal("returned testbool did not match")
}
if sliceMap[0]["testfloat"] != returned[0]["testfloat"] {
t.Fatal("returned testfloat did not match")
}
if sliceMap[0]["testdouble"] != returned[0]["testdouble"] {
t.Fatal("returned testdouble did not match")
}
if sliceMap[0]["testint"] != returned[0]["testint"] {
t.Fatal("returned testint did not match")
}
expectedDecimal := sliceMap[0]["testdecimal"].(*inf.Dec)
returnedDecimal := returned[0]["testdecimal"].(*inf.Dec)
if expectedDecimal.Cmp(returnedDecimal) != 0 {
t.Fatal("returned testdecimal did not match")
}
if !reflect.DeepEqual(sliceMap[0]["testlist"], returned[0]["testlist"]) {
t.Fatal("returned testlist did not match")
}
if !reflect.DeepEqual(sliceMap[0]["testset"], returned[0]["testset"]) {
t.Fatal("returned testset did not match")
}
if !reflect.DeepEqual(sliceMap[0]["testmap"], returned[0]["testmap"]) {
t.Fatal("returned testmap did not match")
}
expectedBigInt := sliceMap[0]["testvarint"].(*big.Int)
returnedBigInt := returned[0]["testvarint"].(*big.Int)
if expectedBigInt.Cmp(returnedBigInt) != 0 {
t.Fatal("returned testvarint did not match")
}
if sliceMap[0]["testinet"] != returned[0]["testinet"] {
t.Fatal("returned testinet did not match")
}
}
// Test for MapScan()
testMap := make(map[string]interface{})
if !session.Query(`SELECT * FROM slice_map_table`).Iter().MapScan(testMap) {
t.Fatal("MapScan failed to work with one row")
}
if sliceMap[0]["testuuid"] != testMap["testuuid"] {
t.Fatal("returned testuuid did not match")
}
if sliceMap[0]["testtimestamp"] != testMap["testtimestamp"] {
t.Fatal("returned testtimestamp did not match")
}
if sliceMap[0]["testvarchar"] != testMap["testvarchar"] {
t.Fatal("returned testvarchar did not match")
}
if sliceMap[0]["testbigint"] != testMap["testbigint"] {
t.Fatal("returned testbigint did not match")
}
if !reflect.DeepEqual(sliceMap[0]["testblob"], testMap["testblob"]) {
t.Fatal("returned testblob did not match")
}
if sliceMap[0]["testbool"] != testMap["testbool"] {
t.Fatal("returned testbool did not match")
}
if sliceMap[0]["testfloat"] != testMap["testfloat"] {
t.Fatal("returned testfloat did not match")
}
if sliceMap[0]["testdouble"] != testMap["testdouble"] {
t.Fatal("returned testdouble did not match")
}
if sliceMap[0]["testinet"] != testMap["testinet"] {
t.Fatal("returned testinet did not match")
}
expectedDecimal := sliceMap[0]["testdecimal"].(*inf.Dec)
returnedDecimal := testMap["testdecimal"].(*inf.Dec)
if expectedDecimal.Cmp(returnedDecimal) != 0 {
t.Fatal("returned testdecimal did not match")
}
if !reflect.DeepEqual(sliceMap[0]["testlist"], testMap["testlist"]) {
t.Fatal("returned testlist did not match")
}
if !reflect.DeepEqual(sliceMap[0]["testset"], testMap["testset"]) {
t.Fatal("returned testset did not match")
}
if !reflect.DeepEqual(sliceMap[0]["testmap"], testMap["testmap"]) {
t.Fatal("returned testmap did not match")
}
if sliceMap[0]["testint"] != testMap["testint"] {
t.Fatal("returned testint did not match")
}
}
func TestScanWithNilArguments(t *testing.T) {
session := createSession(t)
defer session.Close()
if err := createTable(session, `CREATE TABLE scan_with_nil_arguments (
foo varchar,
bar int,
PRIMARY KEY (foo, bar)
)`); err != nil {
t.Fatal("create:", err)
}
for i := 1; i <= 20; i++ {
if err := session.Query("INSERT INTO scan_with_nil_arguments (foo, bar) VALUES (?, ?)",
"squares", i*i).Exec(); err != nil {
t.Fatal("insert:", err)
}
}
iter := session.Query("SELECT * FROM scan_with_nil_arguments WHERE foo = ?", "squares").Iter()
var n int
count := 0
for iter.Scan(nil, &n) {
count += n
}
if err := iter.Close(); err != nil {
t.Fatal("close:", err)
}
if count != 2870 {
t.Fatalf("expected %d, got %d", 2870, count)
}
}
func TestScanCASWithNilArguments(t *testing.T) {
if *flagProto == 1 {
t.Skip("lightweight transactions not supported. Please use Cassandra >= 2.0")
}
session := createSession(t)
defer session.Close()
if err := createTable(session, `CREATE TABLE scan_cas_with_nil_arguments (
foo varchar,
bar varchar,
PRIMARY KEY (foo, bar)
)`); err != nil {
t.Fatal("create:", err)
}
foo := "baz"
var cas string
if applied, err := session.Query(`INSERT INTO scan_cas_with_nil_arguments (foo, bar)
VALUES (?, ?) IF NOT EXISTS`,
foo, foo).ScanCAS(nil, nil); err != nil {
t.Fatal("insert:", err)
} else if !applied {
t.Fatal("insert should have been applied")
}
if applied, err := session.Query(`INSERT INTO scan_cas_with_nil_arguments (foo, bar)
VALUES (?, ?) IF NOT EXISTS`,
foo, foo).ScanCAS(&cas, nil); err != nil {
t.Fatal("insert:", err)
} else if applied {
t.Fatal("insert should not have been applied")
} else if foo != cas {
t.Fatalf("expected %v but got %v", foo, cas)
}
if applied, err := session.Query(`INSERT INTO scan_cas_with_nil_arguments (foo, bar)
VALUES (?, ?) IF NOT EXISTS`,
foo, foo).ScanCAS(nil, &cas); err != nil {
t.Fatal("insert:", err)
} else if applied {
t.Fatal("insert should not have been applied")
} else if foo != cas {
t.Fatalf("expected %v but got %v", foo, cas)
}
}
func TestRebindQueryInfo(t *testing.T) {
session := createSession(t)
defer session.Close()
if err := createTable(session, "CREATE TABLE rebind_query (id int, value text, PRIMARY KEY (id))"); err != nil {
t.Fatalf("failed to create table with error '%v'", err)
}
if err := session.Query("INSERT INTO rebind_query (id, value) VALUES (?, ?)", 23, "quux").Exec(); err != nil {
t.Fatalf("insert into rebind_query failed, err '%v'", err)
}
if err := session.Query("INSERT INTO rebind_query (id, value) VALUES (?, ?)", 24, "w00t").Exec(); err != nil {
t.Fatalf("insert into rebind_query failed, err '%v'", err)
}
q := session.Query("SELECT value FROM rebind_query WHERE ID = ?")
q.Bind(23)
iter := q.Iter()
var value string
for iter.Scan(&value) {
}
if value != "quux" {
t.Fatalf("expected %v but got %v", "quux", value)
}
q.Bind(24)
iter = q.Iter()
for iter.Scan(&value) {
}
if value != "w00t" {
t.Fatalf("expected %v but got %v", "quux", value)
}
}
//TestStaticQueryInfo makes sure that the application can manually bind query parameters using the simplest possible static binding strategy
func TestStaticQueryInfo(t *testing.T) {
session := createSession(t)
defer session.Close()
if err := createTable(session, "CREATE TABLE static_query_info (id int, value text, PRIMARY KEY (id))"); err != nil {
t.Fatalf("failed to create table with error '%v'", err)
}
if err := session.Query("INSERT INTO static_query_info (id, value) VALUES (?, ?)", 113, "foo").Exec(); err != nil {
t.Fatalf("insert into static_query_info failed, err '%v'", err)
}
autobinder := func(q *QueryInfo) ([]interface{}, error) {
values := make([]interface{}, 1)
values[0] = 113
return values, nil
}
qry := session.Bind("SELECT id, value FROM static_query_info WHERE id = ?", autobinder)
if err := qry.Exec(); err != nil {
t.Fatalf("expose query info failed, error '%v'", err)
}
iter := qry.Iter()
var id int
var value string
iter.Scan(&id, &value)
if err := iter.Close(); err != nil {
t.Fatalf("query with exposed info failed, err '%v'", err)
}
if value != "foo" {
t.Fatalf("Expected value %s, but got %s", "foo", value)
}
}
type ClusteredKeyValue struct {
Id int
Cluster int
Value string
}
func (kv *ClusteredKeyValue) Bind(q *QueryInfo) ([]interface{}, error) {
values := make([]interface{}, len(q.Args))
for i, info := range q.Args {
fieldName := upcaseInitial(info.Name)
value := reflect.ValueOf(kv)
field := reflect.Indirect(value).FieldByName(fieldName)
values[i] = field.Addr().Interface()
}
return values, nil
}
func upcaseInitial(str string) string {
for i, v := range str {
return string(unicode.ToUpper(v)) + str[i+1:]
}
return ""
}
//TestBoundQueryInfo makes sure that the application can manually bind query parameters using the query meta data supplied at runtime
func TestBoundQueryInfo(t *testing.T) {
session := createSession(t)
defer session.Close()
if err := createTable(session, "CREATE TABLE clustered_query_info (id int, cluster int, value text, PRIMARY KEY (id, cluster))"); err != nil {
t.Fatalf("failed to create table with error '%v'", err)
}
write := &ClusteredKeyValue{Id: 200, Cluster: 300, Value: "baz"}
insert := session.Bind("INSERT INTO clustered_query_info (id, cluster, value) VALUES (?, ?,?)", write.Bind)
if err := insert.Exec(); err != nil {
t.Fatalf("insert into clustered_query_info failed, err '%v'", err)
}
read := &ClusteredKeyValue{Id: 200, Cluster: 300}
qry := session.Bind("SELECT id, cluster, value FROM clustered_query_info WHERE id = ? and cluster = ?", read.Bind)
iter := qry.Iter()
var id, cluster int
var value string
iter.Scan(&id, &cluster, &value)
if err := iter.Close(); err != nil {
t.Fatalf("query with clustered_query_info info failed, err '%v'", err)
}
if value != "baz" {
t.Fatalf("Expected value %s, but got %s", "baz", value)
}
}
//TestBatchQueryInfo makes sure that the application can manually bind query parameters when executing in a batch
func TestBatchQueryInfo(t *testing.T) {
if *flagProto == 1 {
t.Skip("atomic batches not supported. Please use Cassandra >= 2.0")
}
session := createSession(t)
defer session.Close()
if err := createTable(session, "CREATE TABLE batch_query_info (id int, cluster int, value text, PRIMARY KEY (id, cluster))"); err != nil {
t.Fatalf("failed to create table with error '%v'", err)
}
write := func(q *QueryInfo) ([]interface{}, error) {
values := make([]interface{}, 3)
values[0] = 4000
values[1] = 5000
values[2] = "bar"
return values, nil
}
batch := session.NewBatch(LoggedBatch)
batch.Bind("INSERT INTO batch_query_info (id, cluster, value) VALUES (?, ?,?)", write)
if err := session.ExecuteBatch(batch); err != nil {
t.Fatalf("batch insert into batch_query_info failed, err '%v'", err)
}
read := func(q *QueryInfo) ([]interface{}, error) {
values := make([]interface{}, 2)
values[0] = 4000
values[1] = 5000
return values, nil
}
qry := session.Bind("SELECT id, cluster, value FROM batch_query_info WHERE id = ? and cluster = ?", read)
iter := qry.Iter()
var id, cluster int
var value string
iter.Scan(&id, &cluster, &value)
if err := iter.Close(); err != nil {
t.Fatalf("query with batch_query_info info failed, err '%v'", err)
}
if value != "bar" {
t.Fatalf("Expected value %s, but got %s", "bar", value)
}
}
func injectInvalidPreparedStatement(t *testing.T, session *Session, table string) (string, *Conn) {
if err := createTable(session, `CREATE TABLE `+table+` (
foo varchar,
bar int,
PRIMARY KEY (foo, bar)
)`); err != nil {
t.Fatal("create:", err)
}
stmt := "INSERT INTO " + table + " (foo, bar) VALUES (?, 7)"
conn := session.Pool.Pick(nil)
flight := new(inflightPrepare)
stmtsLRU.mu.Lock()
stmtsLRU.lru.Add(conn.addr+stmt, flight)
stmtsLRU.mu.Unlock()
flight.info = &QueryInfo{
Id: []byte{'f', 'o', 'o', 'b', 'a', 'r'},
Args: []ColumnInfo{ColumnInfo{
Keyspace: "gocql_test",
Table: table,
Name: "foo",
TypeInfo: &TypeInfo{
Type: TypeVarchar,
},
}},
}
return stmt, conn
}
func TestMissingSchemaPrepare(t *testing.T) {
s := createSession(t)
conn := s.Pool.Pick(nil)
defer s.Close()
insertQry := &Query{stmt: "INSERT INTO invalidschemaprep (val) VALUES (?)", values: []interface{}{5}, cons: s.cons,
session: s, pageSize: s.pageSize, trace: s.trace,
prefetch: s.prefetch, rt: s.cfg.RetryPolicy}
if err := conn.executeQuery(insertQry).err; err == nil {
t.Fatal("expected error, but got nil.")
}
if err := createTable(s, "CREATE TABLE invalidschemaprep (val int, PRIMARY KEY (val))"); err != nil {
t.Fatal("create table:", err)
}
if err := conn.executeQuery(insertQry).err; err != nil {
t.Fatal(err) // unconfigured columnfamily
}
}
func TestReprepareStatement(t *testing.T) {
session := createSession(t)
defer session.Close()
stmt, conn := injectInvalidPreparedStatement(t, session, "test_reprepare_statement")
query := session.Query(stmt, "bar")
if err := conn.executeQuery(query).Close(); err != nil {
t.Fatalf("Failed to execute query for reprepare statement: %v", err)
}
}
func TestReprepareBatch(t *testing.T) {
if *flagProto == 1 {
t.Skip("atomic batches not supported. Please use Cassandra >= 2.0")
}
session := createSession(t)
defer session.Close()
stmt, conn := injectInvalidPreparedStatement(t, session, "test_reprepare_statement_batch")
batch := session.NewBatch(UnloggedBatch)
batch.Query(stmt, "bar")
if err := conn.executeBatch(batch); err != nil {
t.Fatalf("Failed to execute query for reprepare statement: %v", err)
}
}
func TestQueryInfo(t *testing.T) {
session := createSession(t)
defer session.Close()
conn := session.Pool.Pick(nil)
info, err := conn.prepareStatement("SELECT release_version, host_id FROM system.local WHERE key = ?", nil)
if err != nil {
t.Fatalf("Failed to execute query for preparing statement: %v", err)
}
if len(info.Args) != 1 {
t.Fatalf("Was not expecting meta data for %d query arguments, but got %d\n", 1, len(info.Args))
}
if *flagProto > 1 {
if len(info.Rval) != 2 {
t.Fatalf("Was not expecting meta data for %d result columns, but got %d\n", 2, len(info.Rval))
}
}
}
//TestPreparedCacheEviction will make sure that the cache size is maintained
func TestPreparedCacheEviction(t *testing.T) {
session := createSession(t)
defer session.Close()
stmtsLRU.mu.Lock()
stmtsLRU.Max(4)
stmtsLRU.mu.Unlock()
if err := createTable(session, "CREATE TABLE prepcachetest (id int,mod int,PRIMARY KEY (id))"); err != nil {
t.Fatalf("failed to create table with error '%v'", err)
}
//Fill the table
for i := 0; i < 2; i++ {
if err := session.Query("INSERT INTO prepcachetest (id,mod) VALUES (?, ?)", i, 10000%(i+1)).Exec(); err != nil {
t.Fatalf("insert into prepcachetest failed, err '%v'", err)
}
}
//Populate the prepared statement cache with select statements
var id, mod int
for i := 0; i < 2; i++ {
err := session.Query("SELECT id,mod FROM prepcachetest WHERE id = "+strconv.FormatInt(int64(i), 10)).Scan(&id, &mod)
if err != nil {
t.Fatalf("select from prepcachetest failed, error '%v'", err)
}