Initial checkin of gRPC to third_party/

third_party/grpc/test/core/surface/lame_client_test.c

Index: third_party/grpc/test/core/surface/lame_client_test.c
diff --git a/third_party/grpc/test/core/surface/lame_client_test.c b/third_party/grpc/test/core/surface/lame_client_test.c
new file mode 100644
index 0000000000000000000000000000000000000000..79e53cb4222aa46da17d8227cf510eb81b914b93
--- /dev/null
+++ b/third_party/grpc/test/core/surface/lame_client_test.c
@@ -0,0 +1,168 @@
+/*
+ *
+ * Copyright 2015-2016, 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/log.h>
+#include "src/core/channel/channel_stack.h"
+#include "src/core/iomgr/closure.h"
+#include "src/core/surface/channel.h"
+#include "src/core/transport/transport.h"
+#include "test/core/end2end/cq_verifier.h"
+#include "test/core/util/test_config.h"
+
+grpc_closure transport_op_cb;
+
+static void *tag(intptr_t x) { return (void *)x; }
+
+void verify_connectivity(grpc_exec_ctx *exec_ctx, void *arg, bool success) {
+  grpc_transport_op *op = arg;
+  GPR_ASSERT(GRPC_CHANNEL_FATAL_FAILURE == *op->connectivity_state);
+  GPR_ASSERT(success);
+}
+
+void do_nothing(grpc_exec_ctx *exec_ctx, void *arg, bool success) {}
+
+void test_transport_op(grpc_channel *channel) {
+  grpc_transport_op op;
+  grpc_channel_element *elem;
+  grpc_connectivity_state state = GRPC_CHANNEL_IDLE;
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+
+  memset(&op, 0, sizeof(op));
+  grpc_closure_init(&transport_op_cb, verify_connectivity, &op);
+
+  op.on_connectivity_state_change = &transport_op_cb;
+  op.connectivity_state = &state;
+  elem = grpc_channel_stack_element(grpc_channel_get_channel_stack(channel), 0);
+  elem->filter->start_transport_op(&exec_ctx, elem, &op);
+  grpc_exec_ctx_finish(&exec_ctx);
+
+  memset(&op, 0, sizeof(op));
+  grpc_closure_init(&transport_op_cb, do_nothing, NULL);
+  op.on_consumed = &transport_op_cb;
+  elem->filter->start_transport_op(&exec_ctx, elem, &op);
+  grpc_exec_ctx_finish(&exec_ctx);
+}
+
+int main(int argc, char **argv) {
+  grpc_channel *chan;
+  grpc_call *call;
+  grpc_completion_queue *cq;
+  cq_verifier *cqv;
+  grpc_op ops[6];
+  grpc_op *op;
+  grpc_metadata_array initial_metadata_recv;
+  grpc_metadata_array trailing_metadata_recv;
+  grpc_status_code status;
+  grpc_call_error error;
+  char *details = NULL;
+  size_t details_capacity = 0;
+  char *peer;
+
+  grpc_test_init(argc, argv);
+  grpc_init();
+
+  grpc_metadata_array_init(&initial_metadata_recv);
+  grpc_metadata_array_init(&trailing_metadata_recv);
+
+  chan = grpc_lame_client_channel_create(
+      "lampoon:national", GRPC_STATUS_UNKNOWN, "Rpc sent on a lame channel.");
+  GPR_ASSERT(chan);
+
+  test_transport_op(chan);
+
+  GPR_ASSERT(GRPC_CHANNEL_FATAL_FAILURE ==
+             grpc_channel_check_connectivity_state(chan, 0));
+
+  cq = grpc_completion_queue_create(NULL);
+
+  call = grpc_channel_create_call(chan, NULL, GRPC_PROPAGATE_DEFAULTS, cq,
+                                  "/Foo", "anywhere",
+                                  GRPC_TIMEOUT_SECONDS_TO_DEADLINE(100), NULL);
+  GPR_ASSERT(call);
+  cqv = cq_verifier_create(cq);
+
+  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_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  error = grpc_call_start_batch(call, ops, (size_t)(op - ops), tag(1), NULL);
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  /* the call should immediately fail */
+  cq_expect_completion(cqv, tag(1), 0);
+  cq_verify(cqv);
+
+  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->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  error = grpc_call_start_batch(call, ops, (size_t)(op - ops), tag(2), NULL);
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  /* the call should immediately fail */
+  cq_expect_completion(cqv, tag(2), 1);
+  cq_verify(cqv);
+
+  peer = grpc_call_get_peer(call);
+  GPR_ASSERT(strcmp(peer, "lampoon:national") == 0);
+  gpr_free(peer);
+
+  grpc_call_destroy(call);
+  grpc_channel_destroy(chan);
+  cq_verifier_destroy(cqv);
+  grpc_completion_queue_destroy(cq);
+
+  grpc_metadata_array_destroy(&initial_metadata_recv);
+  grpc_metadata_array_destroy(&trailing_metadata_recv);
+  gpr_free(details);
+
+  grpc_shutdown();
+
+  return 0;
+}