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net/http: less flaky leaking goroutine test

Browse source 
Fixes #5005

R=golang-dev, adg, fullung
CC=golang-dev
https://golang.org/cl/7777043
This commit is contained in:
Brad Fitzpatrick 2013-03-15 15:09:17 -07:00
parent 58e21ddaf9
commit caf513a66c
6 changed files with 124 additions and 93 deletions
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34
src/pkg/net/http/client_test.go
View file

@ -54,7 +54,7 @@ func pedanticReadAll(r io.Reader) (b []byte, err error) {
}
func TestClient(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(robotsTxtHandler)
defer ts.Close()
@ -72,7 +72,7 @@ func TestClient(t *testing.T) {
}
func TestClientHead(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(robotsTxtHandler)
defer ts.Close()
@ -95,7 +95,7 @@ func (t *recordingTransport) RoundTrip(req *Request) (resp *Response, err error)
}
func TestGetRequestFormat(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
tr := &recordingTransport{}
client := &Client{Transport: tr}
url := "http://dummy.faketld/"
@ -112,7 +112,7 @@ func TestGetRequestFormat(t *testing.T) {
}
func TestPostRequestFormat(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
tr := &recordingTransport{}
client := &Client{Transport: tr}
@ -139,7 +139,7 @@ func TestPostRequestFormat(t *testing.T) {
}
func TestPostFormRequestFormat(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
tr := &recordingTransport{}
client := &Client{Transport: tr}
@ -181,7 +181,7 @@ func TestPostFormRequestFormat(t *testing.T) {
}
func TestRedirects(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
var ts *httptest.Server
ts = httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
n, _ := strconv.Atoi(r.FormValue("n"))
@ -255,7 +255,7 @@ func TestRedirects(t *testing.T) {
}
func TestPostRedirects(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
var log struct {
sync.Mutex
bytes.Buffer
@ -373,7 +373,7 @@ func (j *TestJar) Cookies(u *url.URL) []*Cookie {
}
func TestRedirectCookiesOnRequest(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
var ts *httptest.Server
ts = httptest.NewServer(echoCookiesRedirectHandler)
defer ts.Close()
@ -391,7 +391,7 @@ func TestRedirectCookiesOnRequest(t *testing.T) {
}
func TestRedirectCookiesJar(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
var ts *httptest.Server
ts = httptest.NewServer(echoCookiesRedirectHandler)
defer ts.Close()
@ -428,7 +428,7 @@ func matchReturnedCookies(t *testing.T, expected, given []*Cookie) {
}
func TestJarCalls(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
pathSuffix := r.RequestURI[1:]
if r.RequestURI == "/nosetcookie" {
@ -492,7 +492,7 @@ func (j *RecordingJar) logf(format string, args ...interface{}) {
}
func TestStreamingGet(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
say := make(chan string)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
w.(Flusher).Flush()
@ -543,7 +543,7 @@ func (c *writeCountingConn) Write(p []byte) (int, error) {
// TestClientWrites verifies that client requests are buffered and we
// don't send a TCP packet per line of the http request + body.
func TestClientWrites(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
}))
defer ts.Close()
@ -577,7 +577,7 @@ func TestClientWrites(t *testing.T) {
}
func TestClientInsecureTransport(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewTLSServer(HandlerFunc(func(w ResponseWriter, r *Request) {
w.Write([]byte("Hello"))
}))
@ -605,7 +605,7 @@ func TestClientInsecureTransport(t *testing.T) {
}
func TestClientErrorWithRequestURI(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
req, _ := NewRequest("GET", "http://localhost:1234/", nil)
req.RequestURI = "/this/field/is/illegal/and/should/error/"
_, err := DefaultClient.Do(req)
@ -634,7 +634,7 @@ func newTLSTransport(t *testing.T, ts *httptest.Server) *Transport {
}
func TestClientWithCorrectTLSServerName(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewTLSServer(HandlerFunc(func(w ResponseWriter, r *Request) {
if r.TLS.ServerName != "127.0.0.1" {
t.Errorf("expected client to set ServerName 127.0.0.1, got: %q", r.TLS.ServerName)
@ -649,7 +649,7 @@ func TestClientWithCorrectTLSServerName(t *testing.T) {
}
func TestClientWithIncorrectTLSServerName(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewTLSServer(HandlerFunc(func(w ResponseWriter, r *Request) {}))
defer ts.Close()
@ -667,7 +667,7 @@ func TestClientWithIncorrectTLSServerName(t *testing.T) {
// Verify Response.ContentLength is populated. http://golang.org/issue/4126
func TestClientHeadContentLength(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
if v := r.FormValue("cl"); v != "" {
w.Header().Set("Content-Length", v)

26
src/pkg/net/http/fs_test.go
View file

@ -54,7 +54,7 @@ var ServeFileRangeTests = []struct {
}
func TestServeFile(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
ServeFile(w, r, "testdata/file")
}))
@ -170,7 +170,7 @@ var fsRedirectTestData = []struct {
}
func TestFSRedirect(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(StripPrefix("/test", FileServer(Dir("."))))
defer ts.Close()
@ -195,7 +195,7 @@ func (fs *testFileSystem) Open(name string) (File, error) {
}
func TestFileServerCleans(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ch := make(chan string, 1)
fs := FileServer(&testFileSystem{func(name string) (File, error) {
ch <- name
@ -227,7 +227,7 @@ func mustRemoveAll(dir string) {
}
func TestFileServerImplicitLeadingSlash(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
tempDir, err := ioutil.TempDir("", "")
if err != nil {
t.Fatalf("TempDir: %v", err)
@ -306,7 +306,7 @@ func TestEmptyDirOpenCWD(t *testing.T) {
}
func TestServeFileContentType(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
const ctype = "icecream/chocolate"
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
if r.FormValue("override") == "1" {
@ -330,7 +330,7 @@ func TestServeFileContentType(t *testing.T) {
}
func TestServeFileMimeType(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
ServeFile(w, r, "testdata/style.css")
}))
@ -347,7 +347,7 @@ func TestServeFileMimeType(t *testing.T) {
}
func TestServeFileFromCWD(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
ServeFile(w, r, "fs_test.go")
}))
@ -363,7 +363,7 @@ func TestServeFileFromCWD(t *testing.T) {
}
func TestServeFileWithContentEncoding(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
w.Header().Set("Content-Encoding", "foo")
ServeFile(w, r, "testdata/file")
@ -380,7 +380,7 @@ func TestServeFileWithContentEncoding(t *testing.T) {
}
func TestServeIndexHtml(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
const want = "index.html says hello\n"
ts := httptest.NewServer(FileServer(Dir(".")))
defer ts.Close()
@ -402,7 +402,7 @@ func TestServeIndexHtml(t *testing.T) {
}
func TestFileServerZeroByte(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(FileServer(Dir(".")))
defer ts.Close()
@ -471,7 +471,7 @@ func (fs fakeFS) Open(name string) (File, error) {
}
func TestDirectoryIfNotModified(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
const indexContents = "I am a fake index.html file"
fileMod := time.Unix(1000000000, 0).UTC()
fileModStr := fileMod.Format(TimeFormat)
@ -545,7 +545,7 @@ func mustStat(t *testing.T, fileName string) os.FileInfo {
}
func TestServeContent(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
type serveParam struct {
name string
modtime time.Time
@ -678,7 +678,7 @@ func TestServeContent(t *testing.T) {
// verifies that sendfile is being used on Linux
func TestLinuxSendfile(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
if runtime.GOOS != "linux" {
t.Skip("skipping; linux-only test")
}

44
src/pkg/net/http/serve_test.go
View file

@ -184,7 +184,7 @@ var vtests = []struct {
}
func TestHostHandlers(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
mux := NewServeMux()
for _, h := range handlers {
mux.Handle(h.pattern, stringHandler(h.msg))
@ -257,7 +257,7 @@ func TestMuxRedirectLeadingSlashes(t *testing.T) {
}
func TestServerTimeouts(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
reqNum := 0
ts := httptest.NewUnstartedServer(HandlerFunc(func(res ResponseWriter, req *Request) {
reqNum++
@ -333,7 +333,7 @@ func TestServerTimeouts(t *testing.T) {
// shouldn't cause a handler to block forever on reads (next HTTP
// request) that will never happen.
func TestOnlyWriteTimeout(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
var conn net.Conn
var afterTimeoutErrc = make(chan error, 1)
ts := httptest.NewUnstartedServer(HandlerFunc(func(w ResponseWriter, req *Request) {
@ -392,7 +392,7 @@ func (l trackLastConnListener) Accept() (c net.Conn, err error) {
// TestIdentityResponse verifies that a handler can unset
func TestIdentityResponse(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
handler := HandlerFunc(func(rw ResponseWriter, req *Request) {
rw.Header().Set("Content-Length", "3")
rw.Header().Set("Transfer-Encoding", req.FormValue("te"))
@ -468,7 +468,7 @@ func TestIdentityResponse(t *testing.T) {
}
func testTCPConnectionCloses(t *testing.T, req string, h Handler) {
defer checkLeakedTransports(t)
defer afterTest(t)
s := httptest.NewServer(h)
defer s.Close()
@ -539,7 +539,7 @@ func TestHandlersCanSetConnectionClose10(t *testing.T) {
}
func TestSetsRemoteAddr(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
fmt.Fprintf(w, "%s", r.RemoteAddr)
}))
@ -560,7 +560,7 @@ func TestSetsRemoteAddr(t *testing.T) {
}
func TestChunkedResponseHeaders(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
log.SetOutput(ioutil.Discard) // is noisy otherwise
defer log.SetOutput(os.Stderr)
@ -591,7 +591,7 @@ func TestChunkedResponseHeaders(t *testing.T) {
// chunking in their response headers and aren't allowed to produce
// output.
func Test304Responses(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
w.WriteHeader(StatusNotModified)
_, err := w.Write([]byte("illegal body"))
@ -621,7 +621,7 @@ func Test304Responses(t *testing.T) {
// allowed to produce output, and don't set a Content-Type since
// the real type of the body data cannot be inferred.
func TestHeadResponses(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
_, err := w.Write([]byte("Ignored body"))
if err != ErrBodyNotAllowed {
@ -656,7 +656,7 @@ func TestHeadResponses(t *testing.T) {
}
func TestTLSHandshakeTimeout(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewUnstartedServer(HandlerFunc(func(w ResponseWriter, r *Request) {}))
ts.Config.ReadTimeout = 250 * time.Millisecond
ts.StartTLS()
@ -676,7 +676,7 @@ func TestTLSHandshakeTimeout(t *testing.T) {
}
func TestTLSServer(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewTLSServer(HandlerFunc(func(w ResponseWriter, r *Request) {
if r.TLS != nil {
w.Header().Set("X-TLS-Set", "true")
@ -759,7 +759,7 @@ var serverExpectTests = []serverExpectTest{
// Tests that the server responds to the "Expect" request header
// correctly.
func TestServerExpect(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
// Note using r.FormValue("readbody") because for POST
// requests that would read from r.Body, which we only
@ -897,7 +897,7 @@ func TestServerUnreadRequestBodyLarge(t *testing.T) {
}
func TestTimeoutHandler(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
sendHi := make(chan bool, 1)
writeErrors := make(chan error, 1)
sayHi := HandlerFunc(func(w ResponseWriter, r *Request) {
@ -972,7 +972,7 @@ func TestRedirectMunging(t *testing.T) {
// the previous request's body, which is not optimal for zero-lengthed bodies,
// as the client would then see http.ErrBodyReadAfterClose and not 0, io.EOF.
func TestZeroLengthPostAndResponse(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(rw ResponseWriter, r *Request) {
all, err := ioutil.ReadAll(r.Body)
if err != nil {
@ -1023,7 +1023,7 @@ func TestHandlerPanicWithHijack(t *testing.T) {
}
func testHandlerPanic(t *testing.T, withHijack bool, panicValue interface{}) {
defer checkLeakedTransports(t)
defer afterTest(t)
// Unlike the other tests that set the log output to ioutil.Discard
// to quiet the output, this test uses a pipe. The pipe serves three
// purposes:
@ -1089,7 +1089,7 @@ func testHandlerPanic(t *testing.T, withHijack bool, panicValue interface{}) {
}
func TestNoDate(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
w.Header()["Date"] = nil
}))
@ -1105,7 +1105,7 @@ func TestNoDate(t *testing.T) {
}
func TestStripPrefix(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
h := HandlerFunc(func(w ResponseWriter, r *Request) {
w.Header().Set("X-Path", r.URL.Path)
})
@ -1132,7 +1132,7 @@ func TestStripPrefix(t *testing.T) {
}
func TestRequestLimit(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
t.Fatalf("didn't expect to get request in Handler")
}))
@ -1176,7 +1176,7 @@ func (cr countReader) Read(p []byte) (n int, err error) {
}
func TestRequestBodyLimit(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
const limit = 1 << 20
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
r.Body = MaxBytesReader(w, r.Body, limit)
@ -1213,7 +1213,7 @@ func TestRequestBodyLimit(t *testing.T) {
// TestClientWriteShutdown tests that if the client shuts down the write
// side of their TCP connection, the server doesn't send a 400 Bad Request.
func TestClientWriteShutdown(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {}))
defer ts.Close()
conn, err := net.Dial("tcp", ts.Listener.Addr().String())
@ -1268,7 +1268,7 @@ func TestServerBufferedChunking(t *testing.T) {
// closing the TCP connection, causing the client to get a RST.
// See http://golang.org/issue/3595
func TestServerGracefulClose(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
Error(w, "bye", StatusUnauthorized)
}))
@ -1311,7 +1311,7 @@ func TestServerGracefulClose(t *testing.T) {
}
func TestCaseSensitiveMethod(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
if r.Method != "get" {
t.Errorf(`Got method %q; want "get"`, r.Method)

6
src/pkg/net/http/sniff_test.go
View file

@ -54,7 +54,7 @@ func TestDetectContentType(t *testing.T) {
}
func TestServerContentType(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
i, _ := strconv.Atoi(r.FormValue("i"))
tt := sniffTests[i]
@ -85,7 +85,7 @@ func TestServerContentType(t *testing.T) {
}
func TestContentTypeWithCopy(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
const (
input = "\n<html>\n\t<head>\n"
@ -119,7 +119,7 @@ func TestContentTypeWithCopy(t *testing.T) {
}
func TestSniffWriteSize(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
size, _ := strconv.Atoi(r.FormValue("size"))
written, err := io.WriteString(w, strings.Repeat("a", size))

56
src/pkg/net/http/transport_test.go
View file

@ -102,7 +102,7 @@ func (tcs *testConnSet) check(t *testing.T) {
// Two subsequent requests and verify their response is the same.
// The response from the server is our own IP:port
func TestTransportKeepAlives(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(hostPortHandler)
defer ts.Close()
@ -135,7 +135,7 @@ func TestTransportKeepAlives(t *testing.T) {
}
func TestTransportConnectionCloseOnResponse(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(hostPortHandler)
defer ts.Close()
@ -186,7 +186,7 @@ func TestTransportConnectionCloseOnResponse(t *testing.T) {
}
func TestTransportConnectionCloseOnRequest(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(hostPortHandler)
defer ts.Close()
@ -237,7 +237,7 @@ func TestTransportConnectionCloseOnRequest(t *testing.T) {
}
func TestTransportIdleCacheKeys(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(hostPortHandler)
defer ts.Close()
@ -270,7 +270,7 @@ func TestTransportIdleCacheKeys(t *testing.T) {
}
func TestTransportMaxPerHostIdleConns(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
resch := make(chan string)
gotReq := make(chan bool)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
@ -339,7 +339,7 @@ func TestTransportMaxPerHostIdleConns(t *testing.T) {
}
func TestTransportServerClosingUnexpectedly(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(hostPortHandler)
defer ts.Close()
@ -396,7 +396,7 @@ func TestTransportServerClosingUnexpectedly(t *testing.T) {
// Test for http://golang.org/issue/2616 (appropriate issue number)
// This fails pretty reliably with GOMAXPROCS=100 or something high.
func TestStressSurpriseServerCloses(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
if testing.Short() {
t.Skip("skipping test in short mode")
}
@ -452,7 +452,7 @@ func TestStressSurpriseServerCloses(t *testing.T) {
// TestTransportHeadResponses verifies that we deal with Content-Lengths
// with no bodies properly
func TestTransportHeadResponses(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
if r.Method != "HEAD" {
panic("expected HEAD; got " + r.Method)
@ -481,7 +481,7 @@ func TestTransportHeadResponses(t *testing.T) {
// TestTransportHeadChunkedResponse verifies that we ignore chunked transfer-encoding
// on responses to HEAD requests.
func TestTransportHeadChunkedResponse(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
if r.Method != "HEAD" {
panic("expected HEAD; got " + r.Method)
@ -523,7 +523,7 @@ var roundTripTests = []struct {
// Test that the modification made to the Request by the RoundTripper is cleaned up
func TestRoundTripGzip(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
const responseBody = "test response body"
ts := httptest.NewServer(HandlerFunc(func(rw ResponseWriter, req *Request) {
accept := req.Header.Get("Accept-Encoding")
@ -580,7 +580,7 @@ func TestRoundTripGzip(t *testing.T) {
}
func TestTransportGzip(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
const testString = "The test string aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
const nRandBytes = 1024 * 1024
ts := httptest.NewServer(HandlerFunc(func(rw ResponseWriter, req *Request) {
@ -673,7 +673,7 @@ func TestTransportGzip(t *testing.T) {
}
func TestTransportProxy(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ch := make(chan string, 1)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
ch <- "real server"
@ -702,7 +702,7 @@ func TestTransportProxy(t *testing.T) {
// but checks that we don't recurse forever, and checks that
// Content-Encoding is removed.
func TestTransportGzipRecursive(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
w.Header().Set("Content-Encoding", "gzip")
w.Write(rgz)
@ -729,7 +729,7 @@ func TestTransportGzipRecursive(t *testing.T) {
// tests that persistent goroutine connections shut down when no longer desired.
func TestTransportPersistConnLeak(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
gotReqCh := make(chan bool)
unblockCh := make(chan bool)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
@ -795,7 +795,7 @@ func TestTransportPersistConnLeak(t *testing.T) {
// golang.org/issue/4531: Transport leaks goroutines when
// request.ContentLength is explicitly short
func TestTransportPersistConnLeakShortBody(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
}))
defer ts.Close()
@ -834,7 +834,7 @@ func TestTransportPersistConnLeakShortBody(t *testing.T) {
// This used to crash; http://golang.org/issue/3266
func TestTransportIdleConnCrash(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
tr := &Transport{}
c := &Client{Transport: tr}
@ -864,7 +864,7 @@ func TestTransportIdleConnCrash(t *testing.T) {
// which sadly lacked a triggering test. The large response body made
// the old race easier to trigger.
func TestIssue3644(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
const numFoos = 5000
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
w.Header().Set("Connection", "close")
@ -892,7 +892,7 @@ func TestIssue3644(t *testing.T) {
// Test that a client receives a server's reply, even if the server doesn't read
// the entire request body.
func TestIssue3595(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
const deniedMsg = "sorry, denied."
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
Error(w, deniedMsg, StatusUnauthorized)
@ -917,7 +917,7 @@ func TestIssue3595(t *testing.T) {
// From http://golang.org/issue/4454 ,
// "client fails to handle requests with no body and chunked encoding"
func TestChunkedNoContent(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
w.WriteHeader(StatusNoContent)
}))
@ -940,7 +940,7 @@ func TestChunkedNoContent(t *testing.T) {
}
func TestTransportConcurrency(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
const maxProcs = 16
const numReqs = 500
defer runtime.GOMAXPROCS(runtime.GOMAXPROCS(maxProcs))
@ -985,7 +985,7 @@ func TestTransportConcurrency(t *testing.T) {
}
func TestIssue4191_InfiniteGetTimeout(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
const debug = false
mux := NewServeMux()
mux.HandleFunc("/get", func(w ResponseWriter, r *Request) {
@ -1046,7 +1046,7 @@ func TestIssue4191_InfiniteGetTimeout(t *testing.T) {
}
func TestIssue4191_InfiniteGetToPutTimeout(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
const debug = false
mux := NewServeMux()
mux.HandleFunc("/get", func(w ResponseWriter, r *Request) {
@ -1114,7 +1114,7 @@ func TestIssue4191_InfiniteGetToPutTimeout(t *testing.T) {
}
func TestTransportResponseHeaderTimeout(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
if testing.Short() {
t.Skip("skipping timeout test in -short mode")
}
@ -1161,7 +1161,7 @@ func TestTransportResponseHeaderTimeout(t *testing.T) {
}
func TestTransportCancelRequest(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
if testing.Short() {
t.Skip("skipping test in -short mode")
}
@ -1218,7 +1218,7 @@ func TestTransportCancelRequest(t *testing.T) {
// Calling Close on a Response.Body used to just read until EOF.
// Now it actually closes the TCP connection.
func TestTransportCloseResponseBody(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
writeErr := make(chan error, 1)
msg := []byte("young\n")
ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
@ -1291,7 +1291,7 @@ func (fooProto) RoundTrip(req *Request) (*Response, error) {
}
func TestTransportAltProto(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
tr := &Transport{}
c := &Client{Transport: tr}
tr.RegisterProtocol("foo", fooProto{})
@ -1310,7 +1310,7 @@ func TestTransportAltProto(t *testing.T) {
}
func TestTransportNoHost(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
tr := &Transport{}
_, err := tr.RoundTrip(&Request{
Header: make(Header),
@ -1325,7 +1325,7 @@ func TestTransportNoHost(t *testing.T) {
}
func TestTransportSocketLateBinding(t *testing.T) {
defer checkLeakedTransports(t)
defer afterTest(t)
mux := NewServeMux()
fooGate := make(chan bool, 1)

51
src/pkg/net/http/z_last_test.go
View file

@ -7,27 +7,56 @@ package http_test
import (
"net/http"
"runtime"
"sort"
"strings"
"testing"
"time"
)
func interestingGoroutines() (gs []string) {
buf := make([]byte, 2<<20)
buf = buf[:runtime.Stack(buf, true)]
for _, g := range strings.Split(string(buf), "\n\n") {
sl := strings.SplitN(g, "\n", 2)
if len(sl) != 2 {
continue
}
stack := strings.TrimSpace(sl[1])
if stack == "" ||
strings.Contains(stack, "created by net.newPollServer") ||
strings.Contains(stack, "created by testing.RunTests") ||
strings.Contains(stack, "closeWriteAndWait") ||
strings.Contains(stack, "testing.Main(") {
continue
}
gs = append(gs, stack)
}
sort.Strings(gs)
return
}
// Verify the other tests didn't leave any goroutines running.
// This is in a file named z_last_test.go so it sorts at the end.
func TestGoroutinesRunning(t *testing.T) {
n := runtime.NumGoroutine()
gs := interestingGoroutines()
n := 0
stackCount := make(map[string]int)
for _, g := range gs {
stackCount[g]++
n++
}
t.Logf("num goroutines = %d", n)
if n > 20 {
// Currently 14 on Linux (blocked in epoll_wait,
// waiting for on fds that are closed?), but give some
// slop for now.
buf := make([]byte, 1<<20)
buf = buf[:runtime.Stack(buf, true)]
t.Errorf("Too many goroutines:\n%s", buf)
if n > 0 {
t.Error("Too many goroutines.")
for stack, count := range stackCount {
t.Logf("%d instances of:\n%s", count, stack)
}
}
}
func checkLeakedTransports(t *testing.T) {
func afterTest(t *testing.T) {
http.DefaultTransport.(*http.Transport).CloseIdleConnections()
if testing.Short() {
return
@ -40,6 +69,7 @@ func checkLeakedTransports(t *testing.T) {
").writeLoop(": "a Transport",
"created by net/http/httptest.(*Server).Start": "an httptest.Server",
"timeoutHandler": "a TimeoutHandler",
"net.(*netFD).connect(": "a timing out dial",
}
for i := 0; i < 4; i++ {
bad = ""
@ -56,5 +86,6 @@ func checkLeakedTransports(t *testing.T) {
// shutting down, so give it some time.
time.Sleep(250 * time.Millisecond)
}
t.Errorf("Test appears to have leaked %s:\n%s", bad, stacks)
gs := interestingGoroutines()
t.Errorf("Test appears to have leaked %s:\n%s", bad, strings.Join(gs, "\n\n"))
}