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handle_http_test.go
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handle_http_test.go
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package stashcp
import (
"bytes"
"net"
"net/http"
"net/http/httptest"
"net/url"
"os"
"path/filepath"
"strings"
"testing"
"time"
"github.com/stretchr/testify/assert"
"net/http/httputil"
namespaces "github.com/htcondor/osdf-client/v6/namespaces"
)
// TestIsPort calls main.hasPort with a hostname, checking
// for a valid return value.
func TestIsPort(t *testing.T) {
if HasPort("blah.not.port:") {
t.Fatal("Failed to parse port when : at end")
}
if !HasPort("host:1") {
t.Fatal("Failed to parse with port = 1")
}
if HasPort("https://example.com") {
t.Fatal("Failed when scheme is specified")
}
}
// TestNewTransferDetails checks the creation of transfer details
func TestNewTransferDetails(t *testing.T) {
os.Setenv("http_proxy", "http://proxy.edu:3128")
// Case 1: cache with http
testCache := namespaces.Cache{
AuthEndpoint: "cache.edu:8443",
Endpoint: "cache.edu:8000",
Resource: "Cache",
}
transfers := NewTransferDetails(testCache, false)
assert.Equal(t, 2, len(transfers))
assert.Equal(t, "cache.edu:8000", transfers[0].Url.Host)
assert.Equal(t, "http", transfers[0].Url.Scheme)
assert.Equal(t, true, transfers[0].Proxy)
assert.Equal(t, "cache.edu:8000", transfers[1].Url.Host)
assert.Equal(t, "http", transfers[1].Url.Scheme)
assert.Equal(t, false, transfers[1].Proxy)
// Case 2: cache with https
transfers = NewTransferDetails(testCache, true)
assert.Equal(t, 1, len(transfers))
assert.Equal(t, "cache.edu:8443", transfers[0].Url.Host)
assert.Equal(t, "https", transfers[0].Url.Scheme)
assert.Equal(t, false, transfers[0].Proxy)
testCache.Endpoint = "cache.edu"
// Case 3: cache without port with http
transfers = NewTransferDetails(testCache, false)
assert.Equal(t, 2, len(transfers))
assert.Equal(t, "cache.edu:8000", transfers[0].Url.Host)
assert.Equal(t, "http", transfers[0].Url.Scheme)
assert.Equal(t, true, transfers[0].Proxy)
assert.Equal(t, "cache.edu:8000", transfers[1].Url.Host)
assert.Equal(t, "http", transfers[1].Url.Scheme)
assert.Equal(t, false, transfers[1].Proxy)
// Case 4. cache without port with https
testCache.AuthEndpoint = "cache.edu"
transfers = NewTransferDetails(testCache, true)
assert.Equal(t, 2, len(transfers))
assert.Equal(t, "cache.edu:8444", transfers[0].Url.Host)
assert.Equal(t, "https", transfers[0].Url.Scheme)
assert.Equal(t, false, transfers[0].Proxy)
assert.Equal(t, "cache.edu:8443", transfers[1].Url.Host)
assert.Equal(t, "https", transfers[1].Url.Scheme)
assert.Equal(t, false, transfers[1].Proxy)
}
func TestNewTransferDetailsEnv(t *testing.T) {
testCache := namespaces.Cache{
AuthEndpoint: "cache.edu:8443",
Endpoint: "cache.edu:8000",
Resource: "Cache",
}
os.Setenv("OSG_DISABLE_PROXY_FALLBACK", "")
transfers := NewTransferDetails(testCache, false)
assert.Equal(t, 1, len(transfers))
assert.Equal(t, true, transfers[0].Proxy)
transfers = NewTransferDetails(testCache, true)
assert.Equal(t, 1, len(transfers))
assert.Equal(t, "https", transfers[0].Url.Scheme)
assert.Equal(t, false, transfers[0].Proxy)
os.Unsetenv("OSG_DISABLE_PROXY_FALLBACK")
}
func TestSlowTransfers(t *testing.T) {
channel := make(chan bool)
slowDownload := 1024 * 10 // 10 KiB/s < 100 KiB/s
svr := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
buffer := make([]byte, slowDownload)
for {
select {
case <-channel:
return
default:
_, err := w.Write(buffer)
if err != nil {
return
}
w.(http.Flusher).Flush()
time.Sleep(1 * time.Second)
}
}
}))
defer svr.CloseClientConnections()
defer svr.Close()
testCache := namespaces.Cache{
AuthEndpoint: svr.URL,
Endpoint: svr.URL,
Resource: "Cache",
}
transfers := NewTransferDetails(testCache, false)
assert.Equal(t, 2, len(transfers))
assert.Equal(t, svr.URL, transfers[0].Url.String())
finishedChannel := make(chan bool)
var err error
// Do a quick timeout
go func() {
_, err = DownloadHTTP(transfers[0], filepath.Join(t.TempDir(), "test.txt"), "")
finishedChannel <- true
}()
select {
case <-finishedChannel:
if err == nil {
t.Fatal("Error is nil, download should have failed")
}
case <-time.After(time.Second * 160):
// 120 seconds for warmup, 30 seconds for download
t.Fatal("Maximum downloading time reach, download should have failed")
}
// Close the channel to allow the download to complete
channel <- true
// Make sure the errors are correct
assert.NotNil(t, err)
assert.IsType(t, &SlowTransferError{}, err)
}
// Test stopped transfer
func TestStoppedTransfer(t *testing.T) {
channel := make(chan bool)
svr := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
buffer := make([]byte, 1024 * 100)
for {
select {
case <-channel:
return
default:
_, err := w.Write(buffer)
if err != nil {
return
}
w.(http.Flusher).Flush()
time.Sleep(1 * time.Second)
buffer = make([]byte, 0)
}
}
}))
defer svr.CloseClientConnections()
defer svr.Close()
testCache := namespaces.Cache{
AuthEndpoint: svr.URL,
Endpoint: svr.URL,
Resource: "Cache",
}
transfers := NewTransferDetails(testCache, false)
assert.Equal(t, 2, len(transfers))
assert.Equal(t, svr.URL, transfers[0].Url.String())
finishedChannel := make(chan bool)
var err error
go func() {
_, err = DownloadHTTP(transfers[0], filepath.Join(t.TempDir(), "test.txt"), "")
finishedChannel <- true
}()
select {
case <-finishedChannel:
if err == nil {
t.Fatal("Download should have failed")
}
case <-time.After(time.Second * 150):
t.Fatal("Download should have failed")
}
// Close the channel to allow the download to complete
channel <- true
// Make sure the errors are correct
assert.NotNil(t, err)
assert.IsType(t, &StoppedTransferError{}, err, err.Error())
}
// Test connection error
func TestConnectionError(t *testing.T) {
l, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
t.Fatalf("dialClosedPort: Listen failed: %v", err)
}
addr := l.Addr().String()
l.Close()
_, err = DownloadHTTP(TransferDetails{Url: url.URL{Host: addr, Scheme: "http"}, Proxy: false}, filepath.Join(t.TempDir(), "test.txt"), "")
assert.IsType(t, &ConnectionSetupError{}, err)
}
func TestTrailerError(t *testing.T) {
// Set up an HTTP server that returns an error trailer
svr := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Trailer", "X-Transfer-Status")
w.Header().Set("X-Transfer-Status", "500: Unable to read test.txt; input/output error")
chunkedWriter := httputil.NewChunkedWriter(w)
defer chunkedWriter.Close()
_, err := chunkedWriter.Write([]byte("Test data"))
if err != nil {
t.Fatalf("Error writing to chunked writer: %v", err)
}
}))
defer svr.Close()
testCache := namespaces.Cache{
AuthEndpoint: svr.URL,
Endpoint: svr.URL,
Resource: "Cache",
}
transfers := NewTransferDetails(testCache, false)
assert.Equal(t, 2, len(transfers))
assert.Equal(t, svr.URL, transfers[0].Url.String())
// Call DownloadHTTP and check if the error is returned correctly
_, err := DownloadHTTP(transfers[0], filepath.Join(t.TempDir(), "test.txt"), "")
assert.NotNil(t, err)
assert.EqualError(t, err, "transfer error: Unable to read test.txt; input/output error")
}
func TestUploadZeroLengthFile(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
//t.Logf("%s", dump)
assert.Equal(t, "PUT", r.Method, "Not PUT Method")
assert.Equal(t, int64(0), r.ContentLength, "ContentLength should be 0")
}))
defer ts.Close()
reader := bytes.NewReader([]byte{})
request, err := http.NewRequest("PUT", ts.URL, reader)
if err != nil {
assert.NoError(t, err)
}
request.Header.Set("Authorization", "Bearer test")
errorChan := make(chan error, 1)
responseChan := make(chan *http.Response)
go doPut(request, responseChan, errorChan)
select {
case err := <-errorChan:
assert.NoError(t, err)
case response := <-responseChan:
assert.Equal(t, http.StatusOK, response.StatusCode)
case <-time.After(time.Second * 2):
assert.Fail(t, "Timeout while waiting for response")
}
}
func TestFailedUpload(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
//t.Logf("%s", dump)
assert.Equal(t, "PUT", r.Method, "Not PUT Method")
w.WriteHeader(http.StatusInternalServerError)
_, err := w.Write([]byte("Error"))
assert.NoError(t, err)
}))
defer ts.Close()
reader := strings.NewReader("test")
request, err := http.NewRequest("PUT", ts.URL, reader)
if err != nil {
assert.NoError(t, err)
}
request.Header.Set("Authorization", "Bearer test")
errorChan := make(chan error, 1)
responseChan := make(chan *http.Response)
go doPut(request, responseChan, errorChan)
select {
case err := <-errorChan:
assert.Error(t, err)
case response := <-responseChan:
assert.Equal(t, http.StatusInternalServerError, response.StatusCode)
case <-time.After(time.Second * 2):
assert.Fail(t, "Timeout while waiting for response")
}
}
func TestFullUpload(t *testing.T) {
testFileContent := "test file content"
ts := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
//t.Logf("%s", dump)
assert.Equal(t, "PUT", r.Method, "Not PUT Method")
_, err := w.Write([]byte(":)"))
assert.NoError(t, err)
}))
defer ts.Close()
// Create the temporary file to upload
tempFile, err := os.CreateTemp(t.TempDir(), "test")
assert.NoError(t, err, "Error creating temp file")
defer os.Remove(tempFile.Name())
_, err = tempFile.WriteString(testFileContent)
assert.NoError(t, err, "Error writing to temp file")
tempFile.Close()
// Create the namespace (only the write back host is read)
testURL, err := url.Parse(ts.URL)
assert.NoError(t, err, "Error parsing test URL")
testNamespace := namespaces.Namespace{
WriteBackHost: "https://" + testURL.Host,
}
// Upload the file
uploadURL, err := url.Parse("stash:///test/stuff/blah.txt")
assert.NoError(t, err, "Error parsing upload URL")
// Set the upload client to trust the server
UploadClient = ts.Client()
uploaded, err := UploadFile(tempFile.Name(), uploadURL, "Bearer test", testNamespace)
assert.NoError(t, err, "Error uploading file")
assert.Equal(t, int64(len(testFileContent)), uploaded, "Uploaded file size does not match")
// Upload an osdf file
uploadURL, err = url.Parse("osdf:///test/stuff/blah.txt")
assert.NoError(t, err, "Error parsing upload URL")
// Set the upload client to trust the server
UploadClient = ts.Client()
uploaded, err = UploadFile(tempFile.Name(), uploadURL, "Bearer test", testNamespace)
assert.NoError(t, err, "Error uploading file")
assert.Equal(t, int64(len(testFileContent)), uploaded, "Uploaded file size does not match")
}