tests: added test1517

... for checking ability to receive full HTTP response when POST request
is used with slow read callback function.

This test checks for bug #657 and verifies the work-around from
72d5e144fb.

Closes #720

tests/data/Makefile.inc

@@ -151,7 +151,7 @@ test1436 test1437 \
 \
 test1500 test1501 test1502 test1503 test1504 test1505 test1506 test1507 \
 test1508 test1509 test1510 test1511 test1512 test1513 test1514 test1515 \
-test1516 \
+test1516 test1517 \
 \
 test1520 \
 \

tests/data/test1517

@@ -0,0 +1,69 @@
+<testcase>
+<info>
+<keywords>
+HTTP
+POST
+POST callback
+slow callback
+early response
+</keywords>
+</info>
+#
+# This reproduces issue #657, fixed with PR #668 - on Windows
+#
+# Server-side
+<reply>
+# Force server reply right after request headers, not waiting for request body
+<servercmd>
+skip: 45
+</servercmd>
+<data>
+HTTP/1.1 500 Internal Server Error
+Date: Thu, 17 Mar 2016 14:41:00 GMT
+Server: test-server/fake
+Content-Type: text/plain; charset=US-ASCII
+X-Special: swsclose
+Content-Length: 55
+Connection: close
+
+This is a virtual description of server virtual error.
+</data>
+</reply>
+
+# Client-side
+<client>
+<server>
+http
+</server>
+# tool is what to use instead of 'curl'
+<tool>
+lib1517
+</tool>
+
+ <name>
+HTTP POST, server responds before completed send
+ </name>
+ <command>
+http://%HOSTIP:%HTTPPORT/1517
+</command>
+</client>
+
+#
+# Verify data after the test has been "shot"
+<verify>
+<strippart>
+s/^(this is what we post to the silly web server)(\r)?\n//
+</strippart>
+<protocol>
+POST /1517 HTTP/1.1
+Host: %HOSTIP:%HTTPPORT
+Accept: */*
+Content-Length: 45
+Content-Type: application/x-www-form-urlencoded
+
+</protocol>
+<errorcode>
+0
+</errorcode>
+</verify>
+</testcase>

tests/libtest/Makefile.inc

@@ -21,7 +21,7 @@ noinst_PROGRAMS = chkhostname libauthretry libntlmconnect                \
  lib571 lib572 lib573 lib574 lib575 lib576        lib578 lib579 lib582   \
  lib583 lib585 lib586 lib587        lib590 lib591 lib597 lib598 lib599   \
  lib1500 lib1501 lib1502 lib1503 lib1504 lib1505 lib1506 lib1507 lib1508 \
- lib1509 lib1510 lib1511 lib1512 lib1513 lib1514 lib1515 \
+ lib1509 lib1510 lib1511 lib1512 lib1513 lib1514 lib1515         lib1517 \
  lib1520 \
  lib1525 lib1526 lib1527 lib1528 lib1529 lib1530 lib1531 \
  lib1900 \
@@ -357,6 +357,9 @@ lib1515_SOURCES = lib1515.c $(SUPPORTFILES) $(TESTUTIL) $(WARNLESS)
 lib1515_LDADD = $(TESTUTIL_LIBS)
 lib1515_CPPFLAGS = $(AM_CPPFLAGS) -DLIB1515
 
+lib1517_SOURCES = lib1517.c $(SUPPORTFILES)
+lib1517_CPPFLAGS = $(AM_CPPFLAGS) -DLIB1517
+
 lib1520_SOURCES = lib1520.c $(SUPPORTFILES)
 lib1520_CPPFLAGS = $(AM_CPPFLAGS) -DLIB1520
 

tests/libtest/lib1517.c

@@ -0,0 +1,115 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "test.h"
+
+#include "memdebug.h"
+
+static char data[]="this is what we post to the silly web server\n";
+
+struct WriteThis {
+  char *readptr;
+  size_t sizeleft;
+};
+
+static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *userp)
+{
+  struct WriteThis *pooh = (struct WriteThis *)userp;
+  size_t tocopy = size * nmemb;
+
+  /* Wait one second before return POST data          *
+   * so libcurl will wait before sending request body */
+  wait_ms(1000);
+
+  if(tocopy < 1 || !pooh->sizeleft)
+    return 0;
+
+  if(pooh->sizeleft < tocopy)
+    tocopy = pooh->sizeleft;
+
+  memcpy(ptr, pooh->readptr, tocopy);/* copy requested data */
+  pooh->readptr += tocopy;           /* advance pointer */
+  pooh->sizeleft -= tocopy;          /* less data left */
+  return tocopy;
+}
+
+int test(char *URL)
+{
+  CURL *curl;
+  CURLcode res=CURLE_OK;
+
+  struct WriteThis pooh;
+
+  pooh.readptr = data;
+  pooh.sizeleft = strlen(data);
+
+  if (curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
+    fprintf(stderr, "curl_global_init() failed\n");
+    return TEST_ERR_MAJOR_BAD;
+  }
+
+  if ((curl = curl_easy_init()) == NULL) {
+    fprintf(stderr, "curl_easy_init() failed\n");
+    curl_global_cleanup();
+    return TEST_ERR_MAJOR_BAD;
+  }
+
+  /* First set the URL that is about to receive our POST. */
+  test_setopt(curl, CURLOPT_URL, URL);
+
+  /* Now specify we want to POST data */
+  test_setopt(curl, CURLOPT_POST, 1L);
+
+#ifdef CURL_DOES_CONVERSIONS
+  /* Convert the POST data to ASCII */
+  test_setopt(curl, CURLOPT_TRANSFERTEXT, 1L);
+#endif
+
+  /* Set the expected POST size */
+  test_setopt(curl, CURLOPT_POSTFIELDSIZE, (long)pooh.sizeleft);
+
+  /* we want to use our own read function */
+  test_setopt(curl, CURLOPT_READFUNCTION, read_callback);
+
+  /* pointer to pass to our read function */
+  test_setopt(curl, CURLOPT_READDATA, &pooh);
+
+  /* get verbose debug output please */
+  test_setopt(curl, CURLOPT_VERBOSE, 1L);
+
+  /* include headers in the output */
+  test_setopt(curl, CURLOPT_HEADER, 1L);
+
+  /* detect HTTP error codes >= 400 */
+  /* test_setopt(curl, CURLOPT_FAILONERROR, 1L); */
+
+
+  /* Perform the request, res will get the return code */
+  res = curl_easy_perform(curl);
+
+test_cleanup:
+
+  /* always cleanup */
+  curl_easy_cleanup(curl);
+  curl_global_cleanup();
+
+  return res;
+}