Merge pull request #11602 from muxi/add_cancel_after_round_trip_test

Add a end2end test of cancel call

5 files changed, 316 insertions, 0 deletions

diff --git a/test/core/end2end/end2end_nosec_tests.c b/test/core/end2end/end2end_nosec_tests.c
index 9e75397502..ae1db54f1a 100644
--- a/test/core/end2end/end2end_nosec_tests.c
+++ b/test/core/end2end/end2end_nosec_tests.c
@@ -44,6 +44,8 @@ extern void cancel_after_client_done(grpc_end2end_test_config config);
 extern void cancel_after_client_done_pre_init(void);
 extern void cancel_after_invoke(grpc_end2end_test_config config);
 extern void cancel_after_invoke_pre_init(void);
+extern void cancel_after_round_trip(grpc_end2end_test_config config);
+extern void cancel_after_round_trip_pre_init(void);
 extern void cancel_before_invoke(grpc_end2end_test_config config);
 extern void cancel_before_invoke_pre_init(void);
 extern void cancel_in_a_vacuum(grpc_end2end_test_config config);
@@ -148,6 +150,7 @@ void grpc_end2end_tests_pre_init(void) {
   cancel_after_accept_pre_init();
   cancel_after_client_done_pre_init();
   cancel_after_invoke_pre_init();
+  cancel_after_round_trip_pre_init();
   cancel_before_invoke_pre_init();
   cancel_in_a_vacuum_pre_init();
   cancel_with_status_pre_init();
@@ -210,6 +213,7 @@ void grpc_end2end_tests(int argc, char **argv,
     cancel_after_accept(config);
     cancel_after_client_done(config);
     cancel_after_invoke(config);
+    cancel_after_round_trip(config);
     cancel_before_invoke(config);
     cancel_in_a_vacuum(config);
     cancel_with_status(config);
@@ -288,6 +292,10 @@ void grpc_end2end_tests(int argc, char **argv,
       cancel_after_invoke(config);
       continue;
     }
+    if (0 == strcmp("cancel_after_round_trip", argv[i])) {
+      cancel_after_round_trip(config);
+      continue;
+    }
     if (0 == strcmp("cancel_before_invoke", argv[i])) {
       cancel_before_invoke(config);
       continue;
diff --git a/test/core/end2end/end2end_tests.c b/test/core/end2end/end2end_tests.c
index a0e6ac7f93..d18dd9c7b6 100644
--- a/test/core/end2end/end2end_tests.c
+++ b/test/core/end2end/end2end_tests.c
@@ -46,6 +46,8 @@ extern void cancel_after_client_done(grpc_end2end_test_config config);
 extern void cancel_after_client_done_pre_init(void);
 extern void cancel_after_invoke(grpc_end2end_test_config config);
 extern void cancel_after_invoke_pre_init(void);
+extern void cancel_after_round_trip(grpc_end2end_test_config config);
+extern void cancel_after_round_trip_pre_init(void);
 extern void cancel_before_invoke(grpc_end2end_test_config config);
 extern void cancel_before_invoke_pre_init(void);
 extern void cancel_in_a_vacuum(grpc_end2end_test_config config);
@@ -151,6 +153,7 @@ void grpc_end2end_tests_pre_init(void) {
   cancel_after_accept_pre_init();
   cancel_after_client_done_pre_init();
   cancel_after_invoke_pre_init();
+  cancel_after_round_trip_pre_init();
   cancel_before_invoke_pre_init();
   cancel_in_a_vacuum_pre_init();
   cancel_with_status_pre_init();
@@ -214,6 +217,7 @@ void grpc_end2end_tests(int argc, char **argv,
     cancel_after_accept(config);
     cancel_after_client_done(config);
     cancel_after_invoke(config);
+    cancel_after_round_trip(config);
     cancel_before_invoke(config);
     cancel_in_a_vacuum(config);
     cancel_with_status(config);
@@ -296,6 +300,10 @@ void grpc_end2end_tests(int argc, char **argv,
       cancel_after_invoke(config);
       continue;
     }
+    if (0 == strcmp("cancel_after_round_trip", argv[i])) {
+      cancel_after_round_trip(config);
+      continue;
+    }
     if (0 == strcmp("cancel_before_invoke", argv[i])) {
       cancel_before_invoke(config);
       continue;
diff --git a/test/core/end2end/gen_build_yaml.py b/test/core/end2end/gen_build_yaml.py
index de1eccec15..6dffacf9d7 100755
--- a/test/core/end2end/gen_build_yaml.py
+++ b/test/core/end2end/gen_build_yaml.py
@@ -87,6 +87,7 @@ END2END_TESTS = {
     'cancel_after_accept': default_test_options._replace(cpu_cost=LOWCPU),
     'cancel_after_client_done': default_test_options._replace(cpu_cost=LOWCPU),
     'cancel_after_invoke': default_test_options._replace(cpu_cost=LOWCPU),
+    'cancel_after_round_trip': default_test_options._replace(cpu_cost=LOWCPU),
     'cancel_before_invoke': default_test_options._replace(cpu_cost=LOWCPU),
     'cancel_in_a_vacuum': default_test_options._replace(cpu_cost=LOWCPU),
     'cancel_with_status': default_test_options._replace(cpu_cost=LOWCPU),
diff --git a/test/core/end2end/generate_tests.bzl b/test/core/end2end/generate_tests.bzl
index 185ca606b8..3312f4e596 100755
--- a/test/core/end2end/generate_tests.bzl
+++ b/test/core/end2end/generate_tests.bzl
@@ -79,6 +79,7 @@ END2END_TESTS = {
     'cancel_after_accept': test_options(),
     'cancel_after_client_done': test_options(),
     'cancel_after_invoke': test_options(),
+    'cancel_after_round_trip': test_options(),
     'cancel_before_invoke': test_options(),
     'cancel_in_a_vacuum': test_options(),
     'cancel_with_status': test_options(),
diff --git a/test/core/end2end/tests/cancel_after_round_trip.c b/test/core/end2end/tests/cancel_after_round_trip.c
new file mode 100644
index 0000000000..0fc8b95ef7
--- /dev/null
+++ b/test/core/end2end/tests/cancel_after_round_trip.c
@@ -0,0 +1,298 @@
+/*
+ *
+ * Copyright 2017 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include "test/core/end2end/end2end_tests.h"
+
+#include <stdio.h>
+#include <string.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 "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/slice/slice_internal.h"
+#include "src/core/lib/transport/metadata.h"
+#include "src/core/lib/transport/service_config.h"
+
+#include "test/core/end2end/cq_verifier.h"
+#include "test/core/end2end/tests/cancel_test_helpers.h"
+
+static void *tag(intptr_t 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, "Running test: %s/%s", test_name, config.name);
+  f = config.create_fixture(client_args, server_args);
+  config.init_server(&f, server_args);
+  config.init_client(&f, client_args);
+  return f;
+}
+
+static gpr_timespec n_seconds_from_now(int n) {
+  return grpc_timeout_seconds_to_deadline(n);
+}
+
+static gpr_timespec five_seconds_from_now(void) {
+  return n_seconds_from_now(5);
+}
+
+static void drain_cq(grpc_completion_queue *cq) {
+  grpc_event ev;
+  do {
+    ev = grpc_completion_queue_next(cq, five_seconds_from_now(), NULL);
+  } while (ev.type != GRPC_QUEUE_SHUTDOWN);
+}
+
+static void shutdown_server(grpc_end2end_test_fixture *f) {
+  if (!f->server) return;
+  grpc_server_shutdown_and_notify(f->server, f->shutdown_cq, tag(1000));
+  GPR_ASSERT(grpc_completion_queue_pluck(f->shutdown_cq, tag(1000),
+                                         grpc_timeout_seconds_to_deadline(5),
+                                         NULL)
+                 .type == GRPC_OP_COMPLETE);
+  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->cq);
+  drain_cq(f->cq);
+  grpc_completion_queue_destroy(f->cq);
+  grpc_completion_queue_destroy(f->shutdown_cq);
+}
+
+/* Cancel after accept, no payload */
+static void test_cancel_after_round_trip(grpc_end2end_test_config config,
+                                         cancellation_mode mode,
+                                         bool use_service_config) {
+  grpc_op ops[6];
+  grpc_op *op;
+  grpc_call *c;
+  grpc_call *s;
+  grpc_metadata_array initial_metadata_recv;
+  grpc_metadata_array trailing_metadata_recv;
+  grpc_metadata_array request_metadata_recv;
+  grpc_call_details call_details;
+  grpc_status_code status;
+  grpc_call_error error;
+  grpc_slice details;
+  grpc_byte_buffer *request_payload_recv = NULL;
+  grpc_byte_buffer *response_payload_recv = NULL;
+  grpc_slice request_payload_slice =
+      grpc_slice_from_copied_string("hello world");
+  grpc_slice response_payload_slice =
+      grpc_slice_from_copied_string("hello you");
+  grpc_byte_buffer *request_payload =
+      grpc_raw_byte_buffer_create(&request_payload_slice, 1);
+  grpc_byte_buffer *response_payload =
+      grpc_raw_byte_buffer_create(&response_payload_slice, 1);
+  int was_cancelled = 2;
+
+  grpc_channel_args *args = NULL;
+  if (use_service_config) {
+    grpc_arg arg;
+    arg.type = GRPC_ARG_STRING;
+    arg.key = GRPC_ARG_SERVICE_CONFIG;
+    arg.value.string =
+        "{\n"
+        "  \"methodConfig\": [ {\n"
+        "    \"name\": [\n"
+        "      { \"service\": \"service\", \"method\": \"method\" }\n"
+        "    ],\n"
+        "    \"timeout\": \"5s\"\n"
+        "  } ]\n"
+        "}";
+    args = grpc_channel_args_copy_and_add(args, &arg, 1);
+  }
+
+  grpc_end2end_test_fixture f =
+      begin_test(config, "cancel_after_round_trip", args, NULL);
+  cq_verifier *cqv = cq_verifier_create(f.cq);
+
+  gpr_timespec deadline = use_service_config
+                              ? gpr_inf_future(GPR_CLOCK_MONOTONIC)
+                              : five_seconds_from_now();
+  c = grpc_channel_create_call(
+      f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
+      grpc_slice_from_static_string("/service/method"),
+      get_host_override_slice("foo.test.google.fr:1234", config), deadline,
+      NULL);
+  GPR_ASSERT(c);
+
+  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);
+
+  memset(ops, 0, sizeof(ops));
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_MESSAGE;
+  op->data.send_message.send_message = request_payload;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_MESSAGE;
+  op->data.recv_message.recv_message = &response_payload_recv;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL);
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  error =
+      grpc_server_request_call(f.server, &s, &call_details,
+                               &request_metadata_recv, f.cq, f.cq, tag(101));
+  GPR_ASSERT(GRPC_CALL_OK == error);
+  CQ_EXPECT_COMPLETION(cqv, tag(101), 1);
+  cq_verify(cqv);
+
+  memset(ops, 0, sizeof(ops));
+  op = ops;
+  op->op = GRPC_OP_RECV_MESSAGE;
+  op->data.recv_message.recv_message = &request_payload_recv;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_MESSAGE;
+  op->data.send_message.send_message = response_payload;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  CQ_EXPECT_COMPLETION(cqv, tag(102), 1);
+  CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
+  cq_verify(cqv);
+
+  grpc_byte_buffer_destroy(request_payload_recv);
+  grpc_byte_buffer_destroy(response_payload_recv);
+  request_payload_recv = NULL;
+  response_payload_recv = NULL;
+
+  memset(ops, 0, sizeof(ops));
+  op = ops;
+  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->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_MESSAGE;
+  op->data.recv_message.recv_message = &response_payload_recv;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  error = grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(2), NULL);
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  GPR_ASSERT(GRPC_CALL_OK == mode.initiate_cancel(c, NULL));
+
+  memset(ops, 0, sizeof(ops));
+  op = ops;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_MESSAGE;
+  op->data.send_message.send_message = response_payload;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(103), NULL);
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  CQ_EXPECT_COMPLETION(cqv, tag(2), 1);
+  CQ_EXPECT_COMPLETION(cqv, tag(103), 1);
+  cq_verify(cqv);
+
+  GPR_ASSERT(status == mode.expect_status || status == GRPC_STATUS_INTERNAL);
+  GPR_ASSERT(was_cancelled == 1);
+
+  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_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);
+  grpc_slice_unref(details);
+
+  grpc_call_unref(c);
+  grpc_call_unref(s);
+
+  if (args != NULL) {
+    grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+    grpc_channel_args_destroy(&exec_ctx, args);
+    grpc_exec_ctx_finish(&exec_ctx);
+  }
+
+  cq_verifier_destroy(cqv);
+  end_test(&f);
+  config.tear_down_data(&f);
+}
+
+void cancel_after_round_trip(grpc_end2end_test_config config) {
+  unsigned i;
+
+  for (i = 0; i < GPR_ARRAY_SIZE(cancellation_modes); i++) {
+    test_cancel_after_round_trip(config, cancellation_modes[i],
+                                 false /* use_service_config */);
+    if (config.feature_mask & FEATURE_MASK_SUPPORTS_CLIENT_CHANNEL &&
+        cancellation_modes[i].expect_status == GRPC_STATUS_DEADLINE_EXCEEDED) {
+      test_cancel_after_round_trip(config, cancellation_modes[i],
+                                   true /* use_service_config */);
+    }
+  }
+}
+
+void cancel_after_round_trip_pre_init(void) {}