mirror of
https://github.com/octoleo/restic.git
synced 2024-12-02 09:58:25 +00:00
348 lines
8.7 KiB
Go
348 lines
8.7 KiB
Go
package sftp
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import (
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"fmt"
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"io"
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"net"
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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 _ = fmt.Print
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type csPair struct {
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cli *Client
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svr *RequestServer
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}
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// these must be closed in order, else client.Close will hang
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func (cs csPair) Close() {
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cs.svr.Close()
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cs.cli.Close()
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os.Remove(sock)
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}
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func (cs csPair) testHandler() *root {
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return cs.svr.Handlers.FileGet.(*root)
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}
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const sock = "/tmp/rstest.sock"
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func clientRequestServerPair(t *testing.T) *csPair {
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ready := make(chan bool)
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os.Remove(sock) // either this or signal handling
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var server *RequestServer
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go func() {
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l, err := net.Listen("unix", sock)
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if err != nil {
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// neither assert nor t.Fatal reliably exit before Accept errors
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panic(err)
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}
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ready <- true
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fd, err := l.Accept()
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assert.Nil(t, err)
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handlers := InMemHandler()
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server = NewRequestServer(fd, handlers)
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server.Serve()
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}()
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<-ready
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defer os.Remove(sock)
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c, err := net.Dial("unix", sock)
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assert.Nil(t, err)
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client, err := NewClientPipe(c, c)
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if err != nil {
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t.Fatalf("%+v\n", err)
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}
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return &csPair{client, server}
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}
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// after adding logging, maybe check log to make sure packet handling
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// was split over more than one worker
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func TestRequestSplitWrite(t *testing.T) {
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p := clientRequestServerPair(t)
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defer p.Close()
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w, err := p.cli.Create("/foo")
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assert.Nil(t, err)
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p.cli.maxPacket = 3 // force it to send in small chunks
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contents := "one two three four five six seven eight nine ten"
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w.Write([]byte(contents))
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w.Close()
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r := p.testHandler()
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f, _ := r.fetch("/foo")
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assert.Equal(t, contents, string(f.content))
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}
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func TestRequestCache(t *testing.T) {
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p := clientRequestServerPair(t)
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defer p.Close()
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foo := NewRequest("", "foo")
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bar := NewRequest("", "bar")
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fh := p.svr.nextRequest(foo)
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bh := p.svr.nextRequest(bar)
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assert.Len(t, p.svr.openRequests, 2)
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_foo, ok := p.svr.getRequest(fh)
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assert.Equal(t, foo, _foo)
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assert.True(t, ok)
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_, ok = p.svr.getRequest("zed")
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assert.False(t, ok)
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p.svr.closeRequest(fh)
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p.svr.closeRequest(bh)
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assert.Len(t, p.svr.openRequests, 0)
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}
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func TestRequestCacheState(t *testing.T) {
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// test operation that uses open/close
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p := clientRequestServerPair(t)
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defer p.Close()
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_, err := putTestFile(p.cli, "/foo", "hello")
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assert.Nil(t, err)
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assert.Len(t, p.svr.openRequests, 0)
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// test operation that doesn't open/close
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err = p.cli.Remove("/foo")
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assert.Nil(t, err)
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assert.Len(t, p.svr.openRequests, 0)
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}
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func putTestFile(cli *Client, path, content string) (int, error) {
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w, err := cli.Create(path)
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if err == nil {
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defer w.Close()
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return w.Write([]byte(content))
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}
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return 0, err
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}
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func TestRequestWrite(t *testing.T) {
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p := clientRequestServerPair(t)
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defer p.Close()
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n, err := putTestFile(p.cli, "/foo", "hello")
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assert.Nil(t, err)
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assert.Equal(t, 5, n)
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r := p.testHandler()
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f, err := r.fetch("/foo")
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assert.Nil(t, err)
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assert.False(t, f.isdir)
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assert.Equal(t, f.content, []byte("hello"))
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}
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// needs fail check
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func TestRequestFilename(t *testing.T) {
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p := clientRequestServerPair(t)
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defer p.Close()
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_, err := putTestFile(p.cli, "/foo", "hello")
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assert.Nil(t, err)
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r := p.testHandler()
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f, err := r.fetch("/foo")
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assert.Nil(t, err)
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assert.Equal(t, f.Name(), "foo")
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}
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func TestRequestRead(t *testing.T) {
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p := clientRequestServerPair(t)
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defer p.Close()
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_, err := putTestFile(p.cli, "/foo", "hello")
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assert.Nil(t, err)
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rf, err := p.cli.Open("/foo")
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assert.Nil(t, err)
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defer rf.Close()
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contents := make([]byte, 5)
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n, err := rf.Read(contents)
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if err != nil && err != io.EOF {
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t.Fatalf("err: %v", err)
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}
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assert.Equal(t, 5, n)
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assert.Equal(t, "hello", string(contents[0:5]))
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}
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func TestRequestReadFail(t *testing.T) {
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p := clientRequestServerPair(t)
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defer p.Close()
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rf, err := p.cli.Open("/foo")
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assert.Nil(t, err)
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contents := make([]byte, 5)
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n, err := rf.Read(contents)
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assert.Equal(t, n, 0)
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assert.Exactly(t, os.ErrNotExist, err)
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}
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func TestRequestOpen(t *testing.T) {
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p := clientRequestServerPair(t)
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defer p.Close()
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fh, err := p.cli.Open("foo")
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assert.Nil(t, err)
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err = fh.Close()
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assert.Nil(t, err)
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}
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func TestRequestMkdir(t *testing.T) {
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p := clientRequestServerPair(t)
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defer p.Close()
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err := p.cli.Mkdir("/foo")
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assert.Nil(t, err)
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r := p.testHandler()
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f, err := r.fetch("/foo")
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assert.Nil(t, err)
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assert.True(t, f.isdir)
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}
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func TestRequestRemove(t *testing.T) {
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p := clientRequestServerPair(t)
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defer p.Close()
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_, err := putTestFile(p.cli, "/foo", "hello")
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assert.Nil(t, err)
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r := p.testHandler()
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_, err = r.fetch("/foo")
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assert.Nil(t, err)
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err = p.cli.Remove("/foo")
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assert.Nil(t, err)
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_, err = r.fetch("/foo")
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assert.Equal(t, err, os.ErrNotExist)
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}
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func TestRequestRename(t *testing.T) {
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p := clientRequestServerPair(t)
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defer p.Close()
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_, err := putTestFile(p.cli, "/foo", "hello")
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assert.Nil(t, err)
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r := p.testHandler()
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_, err = r.fetch("/foo")
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assert.Nil(t, err)
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err = p.cli.Rename("/foo", "/bar")
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assert.Nil(t, err)
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_, err = r.fetch("/bar")
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assert.Nil(t, err)
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_, err = r.fetch("/foo")
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assert.Equal(t, err, os.ErrNotExist)
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}
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func TestRequestRenameFail(t *testing.T) {
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p := clientRequestServerPair(t)
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defer p.Close()
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_, err := putTestFile(p.cli, "/foo", "hello")
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assert.Nil(t, err)
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_, err = putTestFile(p.cli, "/bar", "goodbye")
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assert.Nil(t, err)
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err = p.cli.Rename("/foo", "/bar")
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assert.IsType(t, &StatusError{}, err)
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}
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func TestRequestStat(t *testing.T) {
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p := clientRequestServerPair(t)
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defer p.Close()
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_, err := putTestFile(p.cli, "/foo", "hello")
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assert.Nil(t, err)
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fi, err := p.cli.Stat("/foo")
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assert.Equal(t, fi.Name(), "foo")
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assert.Equal(t, fi.Size(), int64(5))
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assert.Equal(t, fi.Mode(), os.FileMode(0644))
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assert.NoError(t, testOsSys(fi.Sys()))
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}
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// NOTE: Setstat is a noop in the request server tests, but we want to test
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// that is does nothing without crapping out.
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func TestRequestSetstat(t *testing.T) {
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p := clientRequestServerPair(t)
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defer p.Close()
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_, err := putTestFile(p.cli, "/foo", "hello")
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assert.Nil(t, err)
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mode := os.FileMode(0644)
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err = p.cli.Chmod("/foo", mode)
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assert.Nil(t, err)
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fi, err := p.cli.Stat("/foo")
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assert.Nil(t, err)
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assert.Equal(t, fi.Name(), "foo")
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assert.Equal(t, fi.Size(), int64(5))
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assert.Equal(t, fi.Mode(), os.FileMode(0644))
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assert.NoError(t, testOsSys(fi.Sys()))
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}
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func TestRequestFstat(t *testing.T) {
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p := clientRequestServerPair(t)
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defer p.Close()
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_, err := putTestFile(p.cli, "/foo", "hello")
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assert.Nil(t, err)
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fp, err := p.cli.Open("/foo")
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assert.Nil(t, err)
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fi, err := fp.Stat()
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assert.Nil(t, err)
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assert.Equal(t, fi.Name(), "foo")
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assert.Equal(t, fi.Size(), int64(5))
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assert.Equal(t, fi.Mode(), os.FileMode(0644))
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assert.NoError(t, testOsSys(fi.Sys()))
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}
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func TestRequestStatFail(t *testing.T) {
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p := clientRequestServerPair(t)
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defer p.Close()
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fi, err := p.cli.Stat("/foo")
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assert.Nil(t, fi)
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assert.True(t, os.IsNotExist(err))
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}
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func TestRequestSymlink(t *testing.T) {
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p := clientRequestServerPair(t)
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defer p.Close()
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_, err := putTestFile(p.cli, "/foo", "hello")
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assert.Nil(t, err)
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err = p.cli.Symlink("/foo", "/bar")
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assert.Nil(t, err)
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r := p.testHandler()
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fi, err := r.fetch("/bar")
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assert.Nil(t, err)
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assert.True(t, fi.Mode()&os.ModeSymlink == os.ModeSymlink)
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}
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func TestRequestSymlinkFail(t *testing.T) {
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p := clientRequestServerPair(t)
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defer p.Close()
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err := p.cli.Symlink("/foo", "/bar")
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assert.True(t, os.IsNotExist(err))
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}
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func TestRequestReadlink(t *testing.T) {
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p := clientRequestServerPair(t)
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defer p.Close()
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_, err := putTestFile(p.cli, "/foo", "hello")
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assert.Nil(t, err)
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err = p.cli.Symlink("/foo", "/bar")
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assert.Nil(t, err)
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rl, err := p.cli.ReadLink("/bar")
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assert.Nil(t, err)
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assert.Equal(t, "foo", rl)
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}
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func TestRequestReaddir(t *testing.T) {
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p := clientRequestServerPair(t)
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MaxFilelist = 22 // make not divisible by our test amount (100)
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defer p.Close()
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for i := 0; i < 100; i++ {
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fname := fmt.Sprintf("/foo_%02d", i)
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_, err := putTestFile(p.cli, fname, fname)
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assert.Nil(t, err)
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}
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di, err := p.cli.ReadDir("/")
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assert.Nil(t, err)
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assert.Len(t, di, 100)
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names := []string{di[18].Name(), di[81].Name()}
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assert.Equal(t, []string{"foo_18", "foo_81"}, names)
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}
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func TestCleanPath(t *testing.T) {
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assert.Equal(t, "/", cleanPath("/"))
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assert.Equal(t, "/", cleanPath("//"))
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assert.Equal(t, "/a", cleanPath("/a/"))
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assert.Equal(t, "/a", cleanPath("a/"))
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assert.Equal(t, "/a/b/c", cleanPath("/a//b//c/"))
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// filepath.ToSlash does not touch \ as char on unix systems, so os.PathSeparator is used for windows compatible tests
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bslash := string(os.PathSeparator)
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assert.Equal(t, "/", cleanPath(bslash))
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assert.Equal(t, "/", cleanPath(bslash+bslash))
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assert.Equal(t, "/a", cleanPath(bslash+"a"+bslash))
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assert.Equal(t, "/a", cleanPath("a"+bslash))
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assert.Equal(t, "/a/b/c", cleanPath(bslash+"a"+bslash+bslash+"b"+bslash+bslash+"c"+bslash))
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}
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