Merge pull request #8205 from ctiller/crashy

Add (slightly cleaned up) variant of user contributed test

1 files changed, 128 insertions, 0 deletions

diff --git a/test/core/end2end/connection_refused_test.c b/test/core/end2end/connection_refused_test.c
new file mode 100644
index 0000000000..4149159a37
--- /dev/null
+++ b/test/core/end2end/connection_refused_test.c
@@ -0,0 +1,128 @@
+/*
+ *
+ * Copyright 2016, 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 <string.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/host_port.h>
+#include <grpc/support/log.h>
+
+#include "test/core/end2end/cq_verifier.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
+
+static void *tag(intptr_t i) { return (void *)i; }
+
+static void run_test(bool fail_fast) {
+  grpc_channel *chan;
+  grpc_call *call;
+  gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(2);
+  grpc_completion_queue *cq;
+  cq_verifier *cqv;
+  grpc_op ops[6];
+  grpc_op *op;
+  grpc_metadata_array trailing_metadata_recv;
+  grpc_status_code status;
+  char *details = NULL;
+  size_t details_capacity = 0;
+
+  gpr_log(GPR_INFO, "TEST: fail_fast=%d", fail_fast);
+
+  grpc_init();
+
+  grpc_metadata_array_init(&trailing_metadata_recv);
+
+  cq = grpc_completion_queue_create(NULL);
+  cqv = cq_verifier_create(cq);
+
+  /* create a call, channel to a port which will refuse connection */
+  int port = grpc_pick_unused_port_or_die();
+  char *addr;
+  gpr_join_host_port(&addr, "localhost", port);
+
+  chan = grpc_insecure_channel_create(addr, NULL, NULL);
+  call = grpc_channel_create_call(chan, NULL, GRPC_PROPAGATE_DEFAULTS, cq,
+                                  "/Foo", "nonexistant", deadline, NULL);
+
+  gpr_free(addr);
+
+  memset(ops, 0, sizeof(ops));
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = fail_fast ? 0 : GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY;
+  op->reserved = NULL;
+  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->flags = 0;
+  op->reserved = NULL;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(
+                                 call, ops, (size_t)(op - ops), tag(1), NULL));
+  /* verify that all tags get completed */
+  CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
+  cq_verify(cqv);
+
+  if (fail_fast) {
+    GPR_ASSERT(status == GRPC_STATUS_UNAVAILABLE);
+  } else {
+    GPR_ASSERT(status == GRPC_STATUS_DEADLINE_EXCEEDED);
+  }
+
+  grpc_completion_queue_shutdown(cq);
+  while (
+      grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME), NULL)
+          .type != GRPC_QUEUE_SHUTDOWN)
+    ;
+  grpc_completion_queue_destroy(cq);
+  grpc_call_destroy(call);
+  grpc_channel_destroy(chan);
+  cq_verifier_destroy(cqv);
+
+  gpr_free(details);
+  grpc_metadata_array_destroy(&trailing_metadata_recv);
+
+  grpc_shutdown();
+}
+
+int main(int argc, char **argv) {
+  grpc_test_init(argc, argv);
+  run_test(true);
+  run_test(false);
+  return 0;
+}