test/core/end2end/tests/request_response_with_payload_and_call_creds.c - platform/external/grpc-grpc - Gitiles

 /*
  *
  * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
  *     * Neither the name of Google Inc. nor the names of its
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  */

 #include "test/core/end2end/end2end_tests.h"

 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>

 #include <grpc/grpc_security.h>
 #include <grpc/byte_buffer.h>
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
 #include "test/core/end2end/cq_verifier.h"
 #include "src/core/security/credentials.h"
 #include "src/core/support/string.h"

 static const char iam_token[] = "token";
 static const char iam_selector[] = "selector";
 static const char overridden_iam_token[] = "overridden_token";
 static const char overridden_iam_selector[] = "overridden_selector";

 typedef enum {
   NONE,
   OVERRIDE,
   DELETE
 } override_mode;

 enum { TIMEOUT = 200000 };

 static void *tag(gpr_intptr t) { return (void *)t; }

 static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
                                             const char *test_name,
                                             grpc_channel_args *client_args,
                                             grpc_channel_args *server_args) {
   grpc_end2end_test_fixture f;
   gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
   f = config.create_fixture(client_args, server_args);
   config.init_client(&f, client_args);
   config.init_server(&f, server_args);
   return f;
 }

 static gpr_timespec n_seconds_time(int n) {
   return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
 }

 static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }

 static void drain_cq(grpc_completion_queue *cq) {
   grpc_event *ev;
   grpc_completion_type type;
   do {
     ev = grpc_completion_queue_next(cq, five_seconds_time());
     GPR_ASSERT(ev);
     type = ev->type;
     grpc_event_finish(ev);
   } while (type != GRPC_QUEUE_SHUTDOWN);
 }

 static void shutdown_server(grpc_end2end_test_fixture *f) {
   if (!f->server) return;
   grpc_server_shutdown(f->server);
   grpc_server_destroy(f->server);
   f->server = NULL;
 }

 static void shutdown_client(grpc_end2end_test_fixture *f) {
   if (!f->client) return;
   grpc_channel_destroy(f->client);
   f->client = NULL;
 }

 static void end_test(grpc_end2end_test_fixture *f) {
   shutdown_server(f);
   shutdown_client(f);

   grpc_completion_queue_shutdown(f->server_cq);
   drain_cq(f->server_cq);
   grpc_completion_queue_destroy(f->server_cq);
   grpc_completion_queue_shutdown(f->client_cq);
   drain_cq(f->client_cq);
   grpc_completion_queue_destroy(f->client_cq);
 }

 static void test_call_creds_failure(grpc_end2end_test_config config) {
   grpc_call *c;
   grpc_credentials *creds = NULL;
   grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
   gpr_timespec deadline = five_seconds_time();
   c = grpc_channel_create_call(f.client, f.client_cq, "/foo",
                                "foo.test.google.fr", deadline);
   GPR_ASSERT(c);

   /* Try with credentials unfit to be set on a call (channel creds). */
   creds = grpc_fake_transport_security_credentials_create();
   GPR_ASSERT(grpc_call_set_credentials(c, creds) != GRPC_CALL_OK);
   grpc_credentials_release(creds);

   end_test(&f);
   config.tear_down_data(&f);
 }

 static void request_response_with_payload_and_call_creds(
     const char *test_name, grpc_end2end_test_config config,
     override_mode mode) {
   grpc_call *c;
   grpc_call *s;
   gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
   gpr_slice response_payload_slice = gpr_slice_from_copied_string("hello you");
   grpc_byte_buffer *request_payload =
       grpc_byte_buffer_create(&request_payload_slice, 1);
   grpc_byte_buffer *response_payload =
       grpc_byte_buffer_create(&response_payload_slice, 1);
   gpr_timespec deadline = five_seconds_time();

   grpc_end2end_test_fixture f = begin_test(config, test_name, NULL, NULL);
   cq_verifier *v_client = cq_verifier_create(f.client_cq);
   cq_verifier *v_server = cq_verifier_create(f.server_cq);
   grpc_op ops[6];
   grpc_op *op;
   grpc_metadata_array initial_metadata_recv;
   grpc_metadata_array trailing_metadata_recv;
   grpc_metadata_array request_metadata_recv;
   grpc_byte_buffer *request_payload_recv = NULL;
   grpc_byte_buffer *response_payload_recv = NULL;
   grpc_call_details call_details;
   grpc_status_code status;
   char *details = NULL;
   size_t details_capacity = 0;
   int was_cancelled = 2;
   grpc_credentials *creds = NULL;

   c = grpc_channel_create_call(f.client, f.client_cq, "/foo",
                                "foo.test.google.fr", deadline);
   GPR_ASSERT(c);
   creds = grpc_iam_credentials_create(iam_token, iam_selector);
   GPR_ASSERT(creds != NULL);
   GPR_ASSERT(grpc_call_set_credentials(c, creds) == GRPC_CALL_OK);
   switch (mode) {
     case NONE:
       break;
     case OVERRIDE:
       grpc_credentials_release(creds);
       creds = grpc_iam_credentials_create(overridden_iam_token,
                                           overridden_iam_selector);
       GPR_ASSERT(creds != NULL);
       GPR_ASSERT(grpc_call_set_credentials(c, creds) == GRPC_CALL_OK);
       break;
     case DELETE:
       GPR_ASSERT(grpc_call_set_credentials(c, NULL) == GRPC_CALL_OK);
       break;
   }
   grpc_credentials_release(creds);

   grpc_metadata_array_init(&initial_metadata_recv);
   grpc_metadata_array_init(&trailing_metadata_recv);
   grpc_metadata_array_init(&request_metadata_recv);
   grpc_call_details_init(&call_details);

   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = request_payload;
   op++;
   op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
   op++;
   op->op = GRPC_OP_RECV_INITIAL_METADATA;
   op->data.recv_initial_metadata = &initial_metadata_recv;
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &response_payload_recv;
   op++;
   op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
   op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
   op->data.recv_status_on_client.status = &status;
   op->data.recv_status_on_client.status_details = &details;
   op->data.recv_status_on_client.status_details_capacity = &details_capacity;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));

   GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(f.server, &s,
                                                       &call_details,
                                                       &request_metadata_recv,
                                                       f.server_cq, tag(101)));
   cq_expect_completion(v_server, tag(101), GRPC_OP_OK);
   cq_verify(v_server);

   /* Cannot set creds on the server call object. */
   GPR_ASSERT(grpc_call_set_credentials(s, NULL) != GRPC_CALL_OK);

   op = ops;
   op->op = GRPC_OP_SEND_INITIAL_METADATA;
   op->data.send_initial_metadata.count = 0;
   op++;
   op->op = GRPC_OP_SEND_MESSAGE;
   op->data.send_message = response_payload;
   op++;
   op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
   op->data.send_status_from_server.trailing_metadata_count = 0;
   op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
   op->data.send_status_from_server.status_details = "xyz";
   op++;
   op->op = GRPC_OP_RECV_MESSAGE;
   op->data.recv_message = &request_payload_recv;
   op++;
   op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
   op->data.recv_close_on_server.cancelled = &was_cancelled;
   op++;
   GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));

   cq_expect_completion(v_server, tag(102), GRPC_OP_OK);
   cq_verify(v_server);

   cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
   cq_verify(v_client);

   GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
   GPR_ASSERT(0 == strcmp(details, "xyz"));
   GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
   GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr"));
   GPR_ASSERT(was_cancelled == 0);
   GPR_ASSERT(byte_buffer_eq_string(request_payload_recv, "hello world"));
   GPR_ASSERT(byte_buffer_eq_string(response_payload_recv, "hello you"));

   switch (mode) {
     case NONE:
       GPR_ASSERT(contains_metadata(&request_metadata_recv,
                                    GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY,
                                    iam_token));
       GPR_ASSERT(contains_metadata(&request_metadata_recv,
                                    GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY,
                                    iam_selector));
       break;
     case OVERRIDE:
       GPR_ASSERT(contains_metadata(&request_metadata_recv,
                                    GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY,
                                    overridden_iam_token));
       GPR_ASSERT(contains_metadata(&request_metadata_recv,
                                    GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY,
                                    overridden_iam_selector));
       break;
     case DELETE:
       GPR_ASSERT(!contains_metadata(&request_metadata_recv,
                                     GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY,
                                     iam_token));
       GPR_ASSERT(!contains_metadata(&request_metadata_recv,
                                     GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY,
                                     iam_selector));
       GPR_ASSERT(!contains_metadata(&request_metadata_recv,
                                     GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY,
                                     overridden_iam_token));
       GPR_ASSERT(!contains_metadata(&request_metadata_recv,
                                     GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY,
                                     overridden_iam_selector));
       break;
   }

   gpr_free(details);
   grpc_metadata_array_destroy(&initial_metadata_recv);
   grpc_metadata_array_destroy(&trailing_metadata_recv);
   grpc_metadata_array_destroy(&request_metadata_recv);
   grpc_call_details_destroy(&call_details);

   grpc_call_destroy(c);
   grpc_call_destroy(s);

   cq_verifier_destroy(v_client);
   cq_verifier_destroy(v_server);

   grpc_byte_buffer_destroy(request_payload);
   grpc_byte_buffer_destroy(response_payload);
   grpc_byte_buffer_destroy(request_payload_recv);
   grpc_byte_buffer_destroy(response_payload_recv);

   end_test(&f);
   config.tear_down_data(&f);
 }

 void test_request_response_with_payload_and_call_creds(
     grpc_end2end_test_config config) {
   request_response_with_payload_and_call_creds(__FUNCTION__, config, NONE);
 }

 void test_request_response_with_payload_and_overridden_call_creds(
     grpc_end2end_test_config config) {
   request_response_with_payload_and_call_creds(__FUNCTION__, config, OVERRIDE);
 }

 void test_request_response_with_payload_and_deleted_call_creds(
     grpc_end2end_test_config config) {
   request_response_with_payload_and_call_creds(__FUNCTION__, config, DELETE);
 }

 void grpc_end2end_tests(grpc_end2end_test_config config) {
   if (config.feature_mask & FEATURE_MASK_SUPPORTS_PER_CALL_CREDENTIALS) {
     test_call_creds_failure(config);
     test_request_response_with_payload_and_call_creds(config);
     test_request_response_with_payload_and_overridden_call_creds(config);
     test_request_response_with_payload_and_deleted_call_creds(config);
   }
 }
	/*
	*
	* Copyright 2015, Google Inc.
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions are
	* met:
	*
	* * Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* * Redistributions in binary form must reproduce the above
	* copyright notice, this list of conditions and the following disclaimer
	* in the documentation and/or other materials provided with the
	* distribution.
	* * Neither the name of Google Inc. nor the names of its
	* contributors may be used to endorse or promote products derived from
	* this software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*
	*/

	#include "test/core/end2end/end2end_tests.h"

	#include <stdio.h>
	#include <string.h>
	#include <unistd.h>

	#include <grpc/grpc_security.h>
	#include <grpc/byte_buffer.h>
	#include <grpc/support/alloc.h>
	#include <grpc/support/log.h>
	#include <grpc/support/time.h>
	#include <grpc/support/useful.h>
	#include "test/core/end2end/cq_verifier.h"
	#include "src/core/security/credentials.h"
	#include "src/core/support/string.h"

	static const char iam_token[] = "token";
	static const char iam_selector[] = "selector";
	static const char overridden_iam_token[] = "overridden_token";
	static const char overridden_iam_selector[] = "overridden_selector";

	typedef enum {
	NONE,
	OVERRIDE,
	DELETE
	} override_mode;

	enum { TIMEOUT = 200000 };

	static void tag(gpr_intptr t) { return (void )t; }

	static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
	const char *test_name,
	grpc_channel_args *client_args,
	grpc_channel_args *server_args) {
	grpc_end2end_test_fixture f;
	gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
	f = config.create_fixture(client_args, server_args);
	config.init_client(&f, client_args);
	config.init_server(&f, server_args);
	return f;
	}

	static gpr_timespec n_seconds_time(int n) {
	return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
	}

	static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }

	static void drain_cq(grpc_completion_queue *cq) {
	grpc_event *ev;
	grpc_completion_type type;
	do {
	ev = grpc_completion_queue_next(cq, five_seconds_time());
	GPR_ASSERT(ev);
	type = ev->type;
	grpc_event_finish(ev);
	} while (type != GRPC_QUEUE_SHUTDOWN);
	}

	static void shutdown_server(grpc_end2end_test_fixture *f) {
	if (!f->server) return;
	grpc_server_shutdown(f->server);
	grpc_server_destroy(f->server);
	f->server = NULL;
	}

	static void shutdown_client(grpc_end2end_test_fixture *f) {
	if (!f->client) return;
	grpc_channel_destroy(f->client);
	f->client = NULL;
	}

	static void end_test(grpc_end2end_test_fixture *f) {
	shutdown_server(f);
	shutdown_client(f);

	grpc_completion_queue_shutdown(f->server_cq);
	drain_cq(f->server_cq);
	grpc_completion_queue_destroy(f->server_cq);
	grpc_completion_queue_shutdown(f->client_cq);
	drain_cq(f->client_cq);
	grpc_completion_queue_destroy(f->client_cq);
	}

	static void test_call_creds_failure(grpc_end2end_test_config config) {
	grpc_call *c;
	grpc_credentials *creds = NULL;
	grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
	gpr_timespec deadline = five_seconds_time();
	c = grpc_channel_create_call(f.client, f.client_cq, "/foo",
	"foo.test.google.fr", deadline);
	GPR_ASSERT(c);

	/* Try with credentials unfit to be set on a call (channel creds). */
	creds = grpc_fake_transport_security_credentials_create();
	GPR_ASSERT(grpc_call_set_credentials(c, creds) != GRPC_CALL_OK);
	grpc_credentials_release(creds);

	end_test(&f);
	config.tear_down_data(&f);
	}

	static void request_response_with_payload_and_call_creds(
	const char *test_name, grpc_end2end_test_config config,
	override_mode mode) {
	grpc_call *c;
	grpc_call *s;
	gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
	gpr_slice response_payload_slice = gpr_slice_from_copied_string("hello you");
	grpc_byte_buffer *request_payload =
	grpc_byte_buffer_create(&request_payload_slice, 1);
	grpc_byte_buffer *response_payload =
	grpc_byte_buffer_create(&response_payload_slice, 1);
	gpr_timespec deadline = five_seconds_time();

	grpc_end2end_test_fixture f = begin_test(config, test_name, NULL, NULL);
	cq_verifier *v_client = cq_verifier_create(f.client_cq);
	cq_verifier *v_server = cq_verifier_create(f.server_cq);
	grpc_op ops[6];
	grpc_op *op;
	grpc_metadata_array initial_metadata_recv;
	grpc_metadata_array trailing_metadata_recv;
	grpc_metadata_array request_metadata_recv;
	grpc_byte_buffer *request_payload_recv = NULL;
	grpc_byte_buffer *response_payload_recv = NULL;
	grpc_call_details call_details;
	grpc_status_code status;
	char *details = NULL;
	size_t details_capacity = 0;
	int was_cancelled = 2;
	grpc_credentials *creds = NULL;

	c = grpc_channel_create_call(f.client, f.client_cq, "/foo",
	"foo.test.google.fr", deadline);
	GPR_ASSERT(c);
	creds = grpc_iam_credentials_create(iam_token, iam_selector);
	GPR_ASSERT(creds != NULL);
	GPR_ASSERT(grpc_call_set_credentials(c, creds) == GRPC_CALL_OK);
	switch (mode) {
	case NONE:
	break;
	case OVERRIDE:
	grpc_credentials_release(creds);
	creds = grpc_iam_credentials_create(overridden_iam_token,
	overridden_iam_selector);
	GPR_ASSERT(creds != NULL);
	GPR_ASSERT(grpc_call_set_credentials(c, creds) == GRPC_CALL_OK);
	break;
	case DELETE:
	GPR_ASSERT(grpc_call_set_credentials(c, NULL) == GRPC_CALL_OK);
	break;
	}
	grpc_credentials_release(creds);

	grpc_metadata_array_init(&initial_metadata_recv);
	grpc_metadata_array_init(&trailing_metadata_recv);
	grpc_metadata_array_init(&request_metadata_recv);
	grpc_call_details_init(&call_details);

	op = ops;
	op->op = GRPC_OP_SEND_INITIAL_METADATA;
	op->data.send_initial_metadata.count = 0;
	op++;
	op->op = GRPC_OP_SEND_MESSAGE;
	op->data.send_message = request_payload;
	op++;
	op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
	op++;
	op->op = GRPC_OP_RECV_INITIAL_METADATA;
	op->data.recv_initial_metadata = &initial_metadata_recv;
	op++;
	op->op = GRPC_OP_RECV_MESSAGE;
	op->data.recv_message = &response_payload_recv;
	op++;
	op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
	op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
	op->data.recv_status_on_client.status = &status;
	op->data.recv_status_on_client.status_details = &details;
	op->data.recv_status_on_client.status_details_capacity = &details_capacity;
	op++;
	GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));

	GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(f.server, &s,
	&call_details,
	&request_metadata_recv,
	f.server_cq, tag(101)));
	cq_expect_completion(v_server, tag(101), GRPC_OP_OK);
	cq_verify(v_server);

	/* Cannot set creds on the server call object. */
	GPR_ASSERT(grpc_call_set_credentials(s, NULL) != GRPC_CALL_OK);

	op = ops;
	op->op = GRPC_OP_SEND_INITIAL_METADATA;
	op->data.send_initial_metadata.count = 0;
	op++;
	op->op = GRPC_OP_SEND_MESSAGE;
	op->data.send_message = response_payload;
	op++;
	op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
	op->data.send_status_from_server.trailing_metadata_count = 0;
	op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
	op->data.send_status_from_server.status_details = "xyz";
	op++;
	op->op = GRPC_OP_RECV_MESSAGE;
	op->data.recv_message = &request_payload_recv;
	op++;
	op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
	op->data.recv_close_on_server.cancelled = &was_cancelled;
	op++;
	GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));

	cq_expect_completion(v_server, tag(102), GRPC_OP_OK);
	cq_verify(v_server);

	cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
	cq_verify(v_client);

	GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
	GPR_ASSERT(0 == strcmp(details, "xyz"));
	GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
	GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr"));
	GPR_ASSERT(was_cancelled == 0);
	GPR_ASSERT(byte_buffer_eq_string(request_payload_recv, "hello world"));
	GPR_ASSERT(byte_buffer_eq_string(response_payload_recv, "hello you"));

	switch (mode) {
	case NONE:
	GPR_ASSERT(contains_metadata(&request_metadata_recv,
	GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY,
	iam_token));
	GPR_ASSERT(contains_metadata(&request_metadata_recv,
	GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY,
	iam_selector));
	break;
	case OVERRIDE:
	GPR_ASSERT(contains_metadata(&request_metadata_recv,
	GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY,
	overridden_iam_token));
	GPR_ASSERT(contains_metadata(&request_metadata_recv,
	GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY,
	overridden_iam_selector));
	break;
	case DELETE:
	GPR_ASSERT(!contains_metadata(&request_metadata_recv,
	GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY,
	iam_token));
	GPR_ASSERT(!contains_metadata(&request_metadata_recv,
	GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY,
	iam_selector));
	GPR_ASSERT(!contains_metadata(&request_metadata_recv,
	GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY,
	overridden_iam_token));
	GPR_ASSERT(!contains_metadata(&request_metadata_recv,
	GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY,
	overridden_iam_selector));
	break;
	}

	gpr_free(details);
	grpc_metadata_array_destroy(&initial_metadata_recv);
	grpc_metadata_array_destroy(&trailing_metadata_recv);
	grpc_metadata_array_destroy(&request_metadata_recv);
	grpc_call_details_destroy(&call_details);

	grpc_call_destroy(c);
	grpc_call_destroy(s);

	cq_verifier_destroy(v_client);
	cq_verifier_destroy(v_server);

	grpc_byte_buffer_destroy(request_payload);
	grpc_byte_buffer_destroy(response_payload);
	grpc_byte_buffer_destroy(request_payload_recv);
	grpc_byte_buffer_destroy(response_payload_recv);

	end_test(&f);
	config.tear_down_data(&f);
	}

	void test_request_response_with_payload_and_call_creds(
	grpc_end2end_test_config config) {
	request_response_with_payload_and_call_creds(__FUNCTION__, config, NONE);
	}

	void test_request_response_with_payload_and_overridden_call_creds(
	grpc_end2end_test_config config) {
	request_response_with_payload_and_call_creds(__FUNCTION__, config, OVERRIDE);
	}

	void test_request_response_with_payload_and_deleted_call_creds(
	grpc_end2end_test_config config) {
	request_response_with_payload_and_call_creds(__FUNCTION__, config, DELETE);
	}

	void grpc_end2end_tests(grpc_end2end_test_config config) {
	if (config.feature_mask & FEATURE_MASK_SUPPORTS_PER_CALL_CREDENTIALS) {
	test_call_creds_failure(config);
	test_request_response_with_payload_and_call_creds(config);
	test_request_response_with_payload_and_overridden_call_creds(config);
	test_request_response_with_payload_and_deleted_call_creds(config);
	}
	}