mirror of https://github.com/perkeep/perkeep.git
93 lines
2.7 KiB
Go
93 lines
2.7 KiB
Go
/*
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Copyright 2014 The Perkeep Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package mysql
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import (
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"database/sql"
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"errors"
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"testing"
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"time"
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"go4.org/jsonconfig"
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"perkeep.org/internal/osutil"
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"perkeep.org/pkg/sorted"
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"perkeep.org/pkg/sorted/kvtest"
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"perkeep.org/pkg/test/dockertest"
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)
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// TestMySQLKV tests against a real MySQL instance, using a Docker container.
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func TestMySQLKV(t *testing.T) {
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dbname := "camlitest_" + osutil.Username()
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containerID, ip := dockertest.SetupMySQLContainer(t, dbname)
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defer containerID.KillRemove(t)
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// TODO(mpl): add test for serverVersion once we host the docker image ourselves
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// (and hence have the control over the version).
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kv, err := sorted.NewKeyValue(jsonconfig.Obj{
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"type": "mysql",
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"host": ip + ":3306",
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"database": dbname,
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"user": dockertest.MySQLUsername,
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"password": dockertest.MySQLPassword,
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})
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if err != nil {
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t.Fatalf("mysql.NewKeyValue = %v", err)
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}
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kvtest.TestSorted(t, kv)
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}
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func TestRollback(t *testing.T) {
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dbname := "camlitest_" + osutil.Username()
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containerID, ip := dockertest.SetupMySQLContainer(t, dbname)
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defer containerID.KillRemove(t)
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kv, err := sorted.NewKeyValue(jsonconfig.Obj{
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"type": "mysql",
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"host": ip + ":3306",
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"database": dbname,
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"user": dockertest.MySQLUsername,
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"password": dockertest.MySQLPassword,
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})
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if err != nil {
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t.Fatalf("mysql.NewKeyValue = %v", err)
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}
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kv.(*keyValue).KeyValue.BatchSetFunc = func(*sql.Tx, string, string) error {
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return errors.New("Forced failure to trigger a rollback")
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}
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nbConnections := 2
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tick := time.AfterFunc(5*time.Second, func() {
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// We have to force close the connection, otherwise the connection hogging does not even
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// let us exit the func with t.Fatal (How? why?)
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kv.(*keyValue).DB.Close()
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t.Fatal("Test failed because SQL connections blocked by unrolled transactions")
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})
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kv.(*keyValue).DB.SetMaxOpenConns(nbConnections)
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for i := 0; i < nbConnections+1; i++ {
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b := kv.BeginBatch()
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// Making the transaction fail, to force a rollback
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// -> this whole test fails before we introduce the rollback in CommitBatch.
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b.Set("foo", "bar")
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if err := kv.CommitBatch(b); err == nil {
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t.Fatal("wanted failed commit because too large a key")
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}
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}
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tick.Stop()
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}
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