go-ceph/rados/rados_write_op_assert_versi...

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package rados
import (
"github.com/stretchr/testify/assert"
)
func (suite *RadosTestSuite) TestWriteOpAssertVersion() {
suite.SetupConnection()
ta := assert.New(suite.T())
var (
oid = "TestWriteOpAssertVersion"
err error
)
// Create an object.
op1 := CreateWriteOp()
defer op1.Release()
op1.Create(CreateIdempotent)
err = op1.Operate(suite.ioctx, oid, OperationNoFlag)
ta.NoError(err)
// Retrieve last object version after writing.
ver1, err := suite.ioctx.GetLastVersion()
ta.NoError(err)
// Write with version assert. It should succeed.
op2 := CreateWriteOp()
defer op2.Release()
op2.AssertVersion(ver1)
err = op2.Operate(suite.ioctx, oid, OperationNoFlag)
ta.NoError(err)
// Refresh the version.
ver2, err := suite.ioctx.GetLastVersion()
ta.NoError(err)
// Write with version assert, but modify the version first.
// It should fail.
op3 := CreateWriteOp()
defer op3.Release()
op3.AssertVersion(ver2 + 1)
err = op3.Operate(suite.ioctx, oid, OperationNoFlag)
ta.Error(err)
}