mirror of https://github.com/ceph/go-ceph
105 lines
2.7 KiB
Go
105 lines
2.7 KiB
Go
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package cephfs
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import (
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"os"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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var (
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altFSName = ""
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)
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func init() {
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altFSName = os.Getenv("GO_CEPH_TEST_ALT_FS_NAME")
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}
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func TestSelectFS(t *testing.T) {
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if altFSName == "" {
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t.Skip("no alternative fs provided")
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}
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t.Run("selectFilesystem", func(t *testing.T) {
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mount, err := CreateMount()
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assert.NoError(t, err)
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assert.NotNil(t, mount)
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err = mount.SelectFilesystem(altFSName)
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assert.NoError(t, err)
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assert.NoError(t, mount.Release())
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})
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t.Run("selectFilesystemError", func(t *testing.T) {
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mount := fsConnect(t)
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defer fsDisconnect(t, mount)
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// already mounted - this should return an error
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err := mount.SelectFilesystem(altFSName)
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assert.Error(t, err)
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})
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t.Run("invalidName", func(t *testing.T) {
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mount := fsConnect(t)
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defer func() {
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assert.NoError(t, mount.Release())
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}()
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assert.NoError(t, mount.Unmount())
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// this call will not fail because the name isn't used until
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// the file system is "mounted"
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err := mount.SelectFilesystem("a.bunch-of~nonsense")
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assert.NoError(t, err)
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// this call is the one that fails because of the invalid name
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assert.Error(t, mount.Mount())
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})
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t.Run("swapFS", func(t *testing.T) {
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mount := fsConnect(t)
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defer fsDisconnect(t, mount)
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// create a file on the first file system
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fname := "first_fs.txt"
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f1, err := mount.Open(fname, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
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assert.NoError(t, err)
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assert.NoError(t, f1.Close())
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_, err = mount.Statx(fname, StatxBasicStats, 0)
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assert.NoError(t, err)
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// swap file systems - unmount, select fs, and then mount again
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assert.NoError(t, mount.Unmount())
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err = mount.SelectFilesystem(altFSName)
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assert.NoError(t, err)
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assert.NoError(t, mount.Mount())
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// now we're on a new fs. stat'ing the file should fail, as the file is
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// on the other file system
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_, err = mount.Statx(fname, StatxBasicStats, 0)
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assert.Error(t, err)
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// verify that other operations on the 2nd fs work the same
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fname2 := "second_fs.txt"
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f2, err := mount.Open(fname2, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
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assert.NoError(t, err)
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assert.NoError(t, f2.Close())
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_, err = mount.Statx(fname2, StatxBasicStats, 0)
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assert.NoError(t, err)
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assert.NoError(t, mount.Unlink(fname2))
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// swap back to the first file system
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assert.NoError(t, mount.Unmount())
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// first fs is always called cephfs for go-ceph tests
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err = mount.SelectFilesystem("cephfs")
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assert.NoError(t, err)
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assert.NoError(t, mount.Mount())
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// we're back on the first fs. see that the file still exists and then
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// clean it up
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_, err = mount.Statx(fname, StatxBasicStats, 0)
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assert.NoError(t, err)
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assert.NoError(t, mount.Unlink(fname))
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})
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}
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