package keepclient
import (
+ "crypto/md5"
"flag"
"fmt"
. "gopkg.in/check.v1"
"net/http"
"os"
"os/exec"
+ "sort"
"testing"
"time"
)
c.Check(status, Equals, io.ErrShortBuffer)
}
+func (s *StandaloneSuite) TestTransferFromBuffer(c *C) {
+ // Buffer for reads from 'r'
+ buffer := make([]byte, 100)
+ for i := 0; i < 100; i += 1 {
+ buffer[i] = byte(i)
+ }
+
+ // Read requests on Transfer() buffer
+ requests := make(chan ReadRequest)
+ defer close(requests)
+
+ go Transfer(buffer, nil, requests, nil)
+
+ br1 := MakeBufferReader(requests)
+
+ in := make([]byte, 64)
+ {
+ n, err := br1.Read(in)
+
+ c.Check(n, Equals, 64)
+ c.Check(err, Equals, nil)
+
+ for i := 0; i < 64; i += 1 {
+ c.Check(in[i], Equals, buffer[i])
+ }
+ }
+ {
+ n, err := br1.Read(in)
+
+ c.Check(n, Equals, 36)
+ c.Check(err, Equals, nil)
+
+ for i := 0; i < 36; i += 1 {
+ c.Check(in[i], Equals, buffer[64+i])
+ }
+ }
+ {
+ n, err := br1.Read(in)
+
+ c.Check(n, Equals, 0)
+ c.Check(err, Equals, io.EOF)
+ }
+}
+
+func (s *StandaloneSuite) TestTransferIoCopy(c *C) {
+ // Buffer for reads from 'r'
+ buffer := make([]byte, 100)
+ for i := 0; i < 100; i += 1 {
+ buffer[i] = byte(i)
+ }
+
+ // Read requests on Transfer() buffer
+ requests := make(chan ReadRequest)
+ defer close(requests)
+
+ go Transfer(buffer, nil, requests, nil)
+
+ br1 := MakeBufferReader(requests)
+
+ reader, writer := io.Pipe()
+
+ go func() {
+ p := make([]byte, 100)
+ n, err := reader.Read(p)
+ c.Check(n, Equals, 100)
+ c.Check(err, Equals, nil)
+ c.Check(p, DeepEquals, buffer)
+ }()
+
+ io.Copy(writer, br1)
+}
+
type StubHandler struct {
c *C
expectPath string
expectApiToken string
expectBody string
- handled chan bool
+ handled chan string
}
func (this StubHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
this.c.Check(err, Equals, nil)
this.c.Check(body, DeepEquals, []byte(this.expectBody))
resp.WriteHeader(200)
- this.handled <- true
+ this.handled <- fmt.Sprintf("http://%s", req.Host)
}
-func UploadToStubHelper(c *C, f func(*KeepClient, string, StubHandler,
- io.ReadCloser, io.WriteCloser, chan UploadError)) {
-
- st := StubHandler{
- c,
- "acbd18db4cc2f85cedef654fccc4a4d8",
- "abc123",
- "foo",
- make(chan bool)}
+func RunBogusKeepServer(st http.Handler, port int) (listener net.Listener, url string) {
server := http.Server{Handler: st}
- listener, _ := net.ListenTCP("tcp", &net.TCPAddr{})
- defer listener.Close()
+ var err error
+ listener, err = net.ListenTCP("tcp", &net.TCPAddr{Port: port})
+ if err != nil {
+ panic(fmt.Sprintf("Could not listen on tcp port %v", port))
+ }
- url := fmt.Sprintf("http://localhost:%d", listener.Addr().(*net.TCPAddr).Port)
+ url = fmt.Sprintf("http://localhost:%d", listener.Addr().(*net.TCPAddr).Port)
go server.Serve(listener)
+ return listener, url
+}
+
+func UploadToStubHelper(c *C, st http.Handler, f func(*KeepClient, string,
+ io.ReadCloser, io.WriteCloser, chan UploadStatus)) {
+
+ listener, url := RunBogusKeepServer(st, 2990)
+ defer listener.Close()
+
kc, _ := MakeKeepClient()
kc.ApiToken = "abc123"
reader, writer := io.Pipe()
- upload_status := make(chan UploadError)
+ upload_status := make(chan UploadStatus)
- f(kc, url, st, reader, writer, upload_status)
+ f(kc, url, reader, writer, upload_status)
}
func (s *StandaloneSuite) TestUploadToStubKeepServer(c *C) {
- log.Printf("Started TestUploadToStubKeepServer")
+ st := StubHandler{
+ c,
+ "acbd18db4cc2f85cedef654fccc4a4d8",
+ "abc123",
+ "foo",
+ make(chan string)}
- UploadToStubHelper(c, func(kc *KeepClient, url string, st StubHandler,
- reader io.ReadCloser, writer io.WriteCloser, upload_status chan UploadError) {
+ UploadToStubHelper(c, st,
+ func(kc *KeepClient, url string, reader io.ReadCloser,
+ writer io.WriteCloser, upload_status chan UploadStatus) {
- go kc.uploadToKeepServer(url, st.expectPath, reader, upload_status)
+ go kc.uploadToKeepServer(url, st.expectPath, reader, upload_status, int64(len("foo")))
- writer.Write([]byte("foo"))
- writer.Close()
+ writer.Write([]byte("foo"))
+ writer.Close()
- <-st.handled
- status := <-upload_status
- c.Check(status, DeepEquals, UploadError{io.EOF, fmt.Sprintf("%s/%s", url, st.expectPath)})
- })
+ <-st.handled
+ status := <-upload_status
+ c.Check(status, DeepEquals, UploadStatus{nil, fmt.Sprintf("%s/%s", url, st.expectPath), 200})
+ })
}
func (s *StandaloneSuite) TestUploadToStubKeepServerBufferReader(c *C) {
- log.Printf("Started TestUploadToStubKeepServerBufferReader")
+ st := StubHandler{
+ c,
+ "acbd18db4cc2f85cedef654fccc4a4d8",
+ "abc123",
+ "foo",
+ make(chan string)}
- UploadToStubHelper(c, func(kc *KeepClient, url string, st StubHandler,
- reader io.ReadCloser, writer io.WriteCloser, upload_status chan UploadError) {
+ UploadToStubHelper(c, st,
+ func(kc *KeepClient, url string, reader io.ReadCloser,
+ writer io.WriteCloser, upload_status chan UploadStatus) {
- // Buffer for reads from 'r'
- buffer := make([]byte, 512)
+ // Buffer for reads from 'r'
+ buffer := make([]byte, 512)
- // Read requests on Transfer() buffer
- requests := make(chan ReadRequest)
- defer close(requests)
+ // Read requests on Transfer() buffer
+ requests := make(chan ReadRequest)
+ defer close(requests)
- // Reporting reader error states
- reader_status := make(chan error)
+ // Reporting reader error states
+ reader_status := make(chan error)
- go Transfer(buffer, reader, requests, reader_status)
+ go Transfer(buffer, reader, requests, reader_status)
- br1 := MakeBufferReader(requests)
+ br1 := MakeBufferReader(requests)
- go kc.uploadToKeepServer(url, st.expectPath, br1, upload_status)
+ go kc.uploadToKeepServer(url, st.expectPath, br1, upload_status, 3)
- writer.Write([]byte("foo"))
- writer.Close()
+ writer.Write([]byte("foo"))
+ writer.Close()
- <-reader_status
- <-st.handled
+ <-reader_status
+ <-st.handled
- status := <-upload_status
- c.Check(status, DeepEquals, UploadError{io.EOF, fmt.Sprintf("%s/%s", url, st.expectPath)})
+ status := <-upload_status
+ c.Check(status, DeepEquals, UploadStatus{nil, fmt.Sprintf("%s/%s", url, st.expectPath), 200})
- //c.Check(true, Equals, false)
- })
+ //c.Check(true, Equals, false)
+ })
}
type FailHandler struct {
- handled chan bool
+ handled chan string
}
func (this FailHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
resp.WriteHeader(400)
- this.handled <- true
+ this.handled <- fmt.Sprintf("http://%s", req.Host)
}
-/*func (s *StandaloneSuite) TestFailedUploadToStubKeepServer(c *C) {
- log.Printf("blup")
+func (s *StandaloneSuite) TestFailedUploadToStubKeepServer(c *C) {
+ st := FailHandler{
+ make(chan string)}
- c.Check(true, Equals, false)
+ hash := "acbd18db4cc2f85cedef654fccc4a4d8"
- log.Printf("blug")
+ UploadToStubHelper(c, st,
+ func(kc *KeepClient, url string, reader io.ReadCloser,
+ writer io.WriteCloser, upload_status chan UploadStatus) {
- st := FailHandler{make(chan bool)}
- server := http.Server{Handler: st}
+ go kc.uploadToKeepServer(url, hash, reader, upload_status, 3)
- listener, _ := net.ListenTCP("tcp", &net.TCPAddr{})
- defer listener.Close()
+ writer.Write([]byte("foo"))
+ writer.Close()
+
+ <-st.handled
+
+ status := <-upload_status
+ c.Check(status.Url, Equals, fmt.Sprintf("%s/%s", url, hash))
+ c.Check(status.StatusCode, Equals, 400)
+ })
+
+}
+
+type KeepServer struct {
+ listener net.Listener
+ url string
+}
+
+func RunSomeFakeKeepServers(st http.Handler, n int, port int) (ks []KeepServer) {
+ ks = make([]KeepServer, n)
+
+ for i := 0; i < n; i += 1 {
+ boguslistener, bogusurl := RunBogusKeepServer(st, port+i)
+ ks[i] = KeepServer{boguslistener, bogusurl}
+ }
+
+ return ks
+}
+
+func (s *StandaloneSuite) TestPutB(c *C) {
+ log.Printf("TestPutB")
+
+ hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
+
+ st := StubHandler{
+ c,
+ hash,
+ "abc123",
+ "foo",
+ make(chan string, 2)}
+
+ kc, _ := MakeKeepClient()
+
+ kc.Want_replicas = 2
+ kc.ApiToken = "abc123"
+ kc.Service_roots = make([]string, 5)
+
+ ks := RunSomeFakeKeepServers(st, 5, 2990)
+
+ for i := 0; i < len(ks); i += 1 {
+ kc.Service_roots[i] = ks[i].url
+ defer ks[i].listener.Close()
+ }
+
+ sort.Strings(kc.Service_roots)
+
+ kc.PutB([]byte("foo"))
+
+ shuff := kc.ShuffledServiceRoots(fmt.Sprintf("%x", md5.Sum([]byte("foo"))))
+
+ c.Check(<-st.handled, Equals, shuff[0])
+ c.Check(<-st.handled, Equals, shuff[1])
+}
+
+func (s *StandaloneSuite) TestPutHR(c *C) {
+ log.Printf("TestPutHR")
+
+ hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
+
+ st := StubHandler{
+ c,
+ hash,
+ "abc123",
+ "foo",
+ make(chan string, 2)}
- go server.Serve(listener)
kc, _ := MakeKeepClient()
+
+ kc.Want_replicas = 2
kc.ApiToken = "abc123"
+ kc.Service_roots = make([]string, 5)
+
+ ks := RunSomeFakeKeepServers(st, 5, 2990)
+
+ for i := 0; i < len(ks); i += 1 {
+ kc.Service_roots[i] = ks[i].url
+ defer ks[i].listener.Close()
+ }
+
+ sort.Strings(kc.Service_roots)
reader, writer := io.Pipe()
- upload_status := make(chan UploadError)
- go kc.uploadToKeepServer(fmt.Sprintf("http://localhost:%s", listener.Addr().String()), "acbd18db4cc2f85cedef654fccc4a4d8", reader, upload_status)
+ go func() {
+ writer.Write([]byte("foo"))
+ writer.Close()
+ }()
- log.Printf("Writing 1")
+ kc.PutHR(hash, reader, 3)
- writer.Write([]byte("foo"))
+ shuff := kc.ShuffledServiceRoots(hash)
- log.Printf("Writing 2")
+ c.Check(<-st.handled, Equals, shuff[0])
+ c.Check(<-st.handled, Equals, shuff[1])
+}
- writer.Close()
+func (s *StandaloneSuite) TestPutWithFail(c *C) {
+ log.Printf("TestPutWithFail")
- log.Printf("Writing 3")
+ hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
- <-st.handled
+ st := StubHandler{
+ c,
+ hash,
+ "abc123",
+ "foo",
+ make(chan string, 2)}
+
+ fh := FailHandler{
+ make(chan string, 1)}
- log.Printf("Handled?!")
+ kc, _ := MakeKeepClient()
+
+ kc.Want_replicas = 2
+ kc.ApiToken = "abc123"
+ kc.Service_roots = make([]string, 5)
+
+ ks1 := RunSomeFakeKeepServers(st, 4, 2990)
+ ks2 := RunSomeFakeKeepServers(fh, 1, 2995)
+
+ for i, k := range ks1 {
+ kc.Service_roots[i] = k.url
+ defer k.listener.Close()
+ }
+ for i, k := range ks2 {
+ kc.Service_roots[len(ks1)+i] = k.url
+ defer k.listener.Close()
+ }
+
+ sort.Strings(kc.Service_roots)
+
+ shuff := kc.ShuffledServiceRoots(fmt.Sprintf("%x", md5.Sum([]byte("foo"))))
+
+ err := kc.PutB([]byte("foo"))
+
+ <-fh.handled
+
+ c.Check(err, Equals, nil)
+ c.Check(<-st.handled, Equals, shuff[1])
+ c.Check(<-st.handled, Equals, shuff[2])
+}
- status := <-upload_status
- c.Check(status, DeepEquals, UploadError{io.EOF, "http://localhost:2999/acbd18db4cc2f85cedef654fccc4a4d8"})
-}*/
+func (s *StandaloneSuite) TestPutWithTooManyFail(c *C) {
+ log.Printf("TestPutWithTooManyFail")
+
+ hash := fmt.Sprintf("%x", md5.Sum([]byte("foo")))
+
+ st := StubHandler{
+ c,
+ hash,
+ "abc123",
+ "foo",
+ make(chan string, 1)}
+
+ fh := FailHandler{
+ make(chan string, 4)}
+
+ kc, _ := MakeKeepClient()
+
+ kc.Want_replicas = 2
+ kc.ApiToken = "abc123"
+ kc.Service_roots = make([]string, 5)
+
+ ks1 := RunSomeFakeKeepServers(st, 1, 2990)
+ ks2 := RunSomeFakeKeepServers(fh, 4, 2991)
+
+ for i, k := range ks1 {
+ kc.Service_roots[i] = k.url
+ defer k.listener.Close()
+ }
+ for i, k := range ks2 {
+ kc.Service_roots[len(ks1)+i] = k.url
+ defer k.listener.Close()
+ }
+
+ sort.Strings(kc.Service_roots)
+
+ shuff := kc.ShuffledServiceRoots(fmt.Sprintf("%x", md5.Sum([]byte("foo"))))
+
+ err := kc.PutB([]byte("foo"))
+
+ c.Check(err, Equals, InsufficientReplicasError)
+ c.Check(<-st.handled, Equals, shuff[1])
+}
projects / arvados.git / blobdiff