mirror of https://github.com/ceph/go-ceph
313 lines
7.8 KiB
Go
313 lines
7.8 KiB
Go
package rados
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func (suite *RadosTestSuite) TestCreateRemoveSnapshot() {
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suite.SetupConnection()
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suite.T().Run("invalidIOCtx", func(t *testing.T) {
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ioctx := &IOContext{}
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err := ioctx.CreateSnap("someSnap")
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assert.Error(t, err)
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err = ioctx.RemoveSnap("someSnap")
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assert.Error(t, err)
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assert.Equal(t, err, ErrInvalidIOContext)
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})
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suite.T().Run("NewSnap", func(t *testing.T) {
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ioctx, err := suite.conn.OpenIOContext(suite.pool)
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require.NoError(suite.T(), err)
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snapName := "mySnap"
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err = ioctx.CreateSnap(snapName)
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assert.NoError(t, err)
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err = ioctx.RemoveSnap(snapName)
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assert.NoError(t, err)
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})
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suite.T().Run("ExistingSnap", func(t *testing.T) {
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ioctx, err := suite.conn.OpenIOContext(suite.pool)
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require.NoError(suite.T(), err)
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snapName := "mySnap"
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err = ioctx.CreateSnap(snapName)
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assert.NoError(t, err)
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defer func() {
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assert.NoError(t, ioctx.RemoveSnap(snapName))
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}()
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err = ioctx.CreateSnap(snapName)
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assert.Error(t, err)
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})
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suite.T().Run("NonExistingSnap", func(t *testing.T) {
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ioctx, err := suite.conn.OpenIOContext(suite.pool)
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require.NoError(suite.T(), err)
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err = ioctx.RemoveSnap("someSnapName")
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assert.Error(t, err)
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})
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// Strangely, this works!!
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suite.T().Run("EmptySnapNameString", func(t *testing.T) {
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ioctx, err := suite.conn.OpenIOContext(suite.pool)
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require.NoError(suite.T(), err)
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err = ioctx.CreateSnap("")
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assert.NoError(t, err)
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err = ioctx.RemoveSnap("")
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assert.NoError(t, err)
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})
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}
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func (suite *RadosTestSuite) TestSnapshotIDFunctions() {
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suite.SetupConnection()
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suite.T().Run("invalidIOCtx", func(t *testing.T) {
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ioctx := &IOContext{}
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_, err := ioctx.LookupSnap("")
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assert.Error(t, err)
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assert.Equal(t, err, ErrInvalidIOContext)
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var snapID SnapID
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snapID = 22 // some random number
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_, err = ioctx.GetSnapName(snapID)
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assert.Error(t, err)
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assert.Equal(t, err, ErrInvalidIOContext)
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_, err = ioctx.GetSnapStamp(snapID)
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assert.Error(t, err)
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assert.Equal(t, err, ErrInvalidIOContext)
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})
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// Invalid args
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suite.T().Run("InvalidArgs", func(t *testing.T) {
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ioctx, err := suite.conn.OpenIOContext(suite.pool)
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require.NoError(suite.T(), err)
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err = ioctx.CreateSnap("")
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assert.NoError(t, err)
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defer func() {
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assert.NoError(t, ioctx.RemoveSnap(""))
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}()
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// Again, this works!!
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_, err = ioctx.LookupSnap("")
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assert.NoError(t, err)
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// Non-existing Snap
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_, err = ioctx.LookupSnap("someSnapName")
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assert.Error(t, err)
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var snapID SnapID
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snapID = 22 // some random number
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_, err = ioctx.GetSnapName(snapID)
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assert.Error(t, err)
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_, err = ioctx.GetSnapStamp(snapID)
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assert.Error(t, err)
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})
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// Valid SnapID operations.
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suite.T().Run("ValidSnapIDOps", func(t *testing.T) {
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ioctx, err := suite.conn.OpenIOContext(suite.pool)
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require.NoError(suite.T(), err)
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snapName := "mySnap"
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err = ioctx.CreateSnap(snapName)
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assert.NoError(t, err)
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defer func() {
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assert.NoError(t, ioctx.RemoveSnap(snapName))
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}()
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snapID, err := ioctx.LookupSnap(snapName)
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assert.NoError(t, err)
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retName, err := ioctx.GetSnapName(snapID)
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assert.NoError(t, err)
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assert.Equal(t, snapName, retName)
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_, err = ioctx.GetSnapStamp(snapID)
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assert.NoError(t, err)
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})
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}
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func (suite *RadosTestSuite) TestListSnapshot() {
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suite.SetupConnection()
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ioctx, err := suite.conn.OpenIOContext(suite.pool)
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require.NoError(suite.T(), err)
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snapName := []string{"snap1", "snap2", "snap3"}
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err = ioctx.CreateSnap(snapName[0])
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assert.NoError(suite.T(), err)
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defer func() {
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assert.NoError(suite.T(), ioctx.RemoveSnap(snapName[0]))
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}()
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err = ioctx.CreateSnap(snapName[1])
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assert.NoError(suite.T(), err)
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defer func() {
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assert.NoError(suite.T(), ioctx.RemoveSnap(snapName[1]))
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}()
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err = ioctx.CreateSnap(snapName[2])
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assert.NoError(suite.T(), err)
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defer func() {
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assert.NoError(suite.T(), ioctx.RemoveSnap(snapName[2]))
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}()
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suite.T().Run("invalidIOContext", func(t *testing.T) {
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ioctx := &IOContext{}
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_, err := ioctx.ListSnaps()
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assert.Error(t, err)
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assert.Equal(t, err, ErrInvalidIOContext)
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})
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snapList, err := ioctx.ListSnaps()
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assert.NoError(suite.T(), err)
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assert.NotNil(suite.T(), snapList)
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listLen := len(snapList)
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suite.T().Run("NumberOfSnapshots", func(t *testing.T) {
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assert.Equal(t, 3, listLen)
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})
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suite.T().Run("MatchSnapNamesWithID", func(t *testing.T) {
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for _, id := range snapList[0 : listLen-1] {
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retName, err := ioctx.GetSnapName(id)
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assert.NoError(t, err)
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assert.NotNil(t, retName)
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assert.Contains(t, snapName, retName)
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}
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})
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}
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func (suite *RadosTestSuite) TestRollbackSnapshot() {
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suite.SetupConnection()
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suite.T().Run("InvalidArgs", func(t *testing.T) {
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ioctx, err := suite.conn.OpenIOContext(suite.pool)
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require.NoError(suite.T(), err)
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oid := suite.GenObjectName()
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defer suite.ioctx.Delete(oid)
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err = ioctx.RollbackSnap(oid, "someName")
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assert.Error(t, err)
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err = ioctx.CreateSnap("")
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assert.NoError(t, err)
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defer func() {
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assert.NoError(t, ioctx.RemoveSnap(""))
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}()
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err = ioctx.RollbackSnap("someObj", "")
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assert.NoError(t, err)
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})
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suite.T().Run("invalidIOContext", func(t *testing.T) {
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ioctx := &IOContext{}
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err := ioctx.RollbackSnap("someObj", "someName")
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assert.Error(t, err)
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assert.Equal(t, err, ErrInvalidIOContext)
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})
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suite.T().Run("WriteAndRollback", func(t *testing.T) {
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ioctx, err := suite.conn.OpenIOContext(suite.pool)
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require.NoError(suite.T(), err)
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oid := suite.GenObjectName()
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defer suite.ioctx.Delete(oid)
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bytesIn := []byte("Harry Potter")
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err = suite.ioctx.Write(oid, bytesIn, 0)
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assert.NoError(t, err)
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// Take snap.
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err = ioctx.CreateSnap("mySnap")
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assert.NoError(t, err)
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defer func() {
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assert.NoError(t, ioctx.RemoveSnap("mySnap"))
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}()
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// Overwrite.
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bytesOver := []byte("Potter Harry")
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err = suite.ioctx.Write(oid, bytesOver, 0)
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assert.NoError(t, err)
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// Before rollback.
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bytesOut := make([]byte, len(bytesOver))
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nOut, err := suite.ioctx.Read(oid, bytesOut, 0)
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assert.NoError(t, err)
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assert.Equal(t, nOut, len(bytesOver))
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assert.Equal(t, bytesOver, bytesOut)
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// Rollback.
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err = ioctx.RollbackSnap(oid, "mySnap")
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assert.NoError(t, err)
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// After Rollback.
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nOut, err = suite.ioctx.Read(oid, bytesOut, 0)
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assert.NoError(t, err)
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assert.Equal(t, nOut, len(bytesIn))
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assert.Equal(t, bytesOut, bytesIn)
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})
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}
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func (suite *RadosTestSuite) TestSetReadSnapshot() {
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suite.SetupConnection()
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ioctx, err := suite.conn.OpenIOContext(suite.pool)
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require.NoError(suite.T(), err)
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bytesIn := []byte("The Order of the Phoenix")
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err = ioctx.Write("obj", bytesIn, 0)
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assert.NoError(suite.T(), err)
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// Take snap.
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err = ioctx.CreateSnap("mySnap")
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assert.NoError(suite.T(), err)
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defer func() {
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assert.NoError(suite.T(), ioctx.RemoveSnap("mySnap"))
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}()
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// Get Snap ID.
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snapID, err := ioctx.LookupSnap("mySnap")
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assert.NoError(suite.T(), err)
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assert.NotNil(suite.T(), snapID)
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// Overwrite the object.
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bytesOver := []byte("The Half blood Prince")
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err = ioctx.Write("obj", bytesOver, 0)
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assert.NoError(suite.T(), err)
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// Set read to mySnap.
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err = ioctx.SetReadSnap(snapID)
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assert.NoError(suite.T(), err)
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// Read the object.
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bytesOut := make([]byte, len(bytesIn))
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nOut, err := ioctx.Read("obj", bytesOut, 0)
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assert.NoError(suite.T(), err)
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assert.Equal(suite.T(), nOut, len(bytesIn))
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assert.Equal(suite.T(), bytesOut, bytesIn)
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// Set read to SnapHead (back to normal).
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err = ioctx.SetReadSnap(SnapHead)
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assert.NoError(suite.T(), err)
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// Read the same object.
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bytesOut = make([]byte, len(bytesOver))
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nOut, err = ioctx.Read("obj", bytesOut, 0)
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assert.NoError(suite.T(), err)
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assert.Equal(suite.T(), nOut, len(bytesOver))
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assert.Equal(suite.T(), bytesOut, bytesOver)
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suite.T().Run("invalidIOContext", func(t *testing.T) {
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ioctx := &IOContext{}
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err := ioctx.SetReadSnap(SnapHead)
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assert.Error(t, err)
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assert.Equal(t, err, ErrInvalidIOContext)
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})
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}
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