Added connectivity tests, fixed bugs

1 files changed, 1068 insertions, 174 deletions

diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index 280b19ade7..37b819a244 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -1729,6 +1729,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_fake_security", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fake_security_channel_connectivity_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fake_security", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -2179,6 +2194,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_fullstack", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_channel_connectivity_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -2629,6 +2659,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_fullstack_uds_posix", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_channel_connectivity_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -2973,6 +3018,471 @@
   {
     "deps": [
       "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_bad_hostname", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_bad_hostname_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_cancel_after_accept", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_accept_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_cancel_after_accept_and_writes_closed", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_accept_and_writes_closed_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_cancel_after_invoke", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_invoke_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_cancel_before_invoke", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_before_invoke_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_cancel_in_a_vacuum", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_in_a_vacuum_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_census_simple_request", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_census_simple_request_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_channel_connectivity_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_disappearing_server", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_disappearing_server_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_early_server_shutdown_finishes_inflight_calls", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_early_server_shutdown_finishes_inflight_calls_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_early_server_shutdown_finishes_tags", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_early_server_shutdown_finishes_tags_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_empty_batch", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_empty_batch_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_graceful_server_shutdown", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_graceful_server_shutdown_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_invoke_large_request", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_invoke_large_request_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_max_concurrent_streams", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_max_concurrent_streams_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_max_message_length", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_max_message_length_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_no_op", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_no_op_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_ping_pong_streaming", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_ping_pong_streaming_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_registered_call", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_registered_call_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_response_with_binary_metadata_and_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_binary_metadata_and_payload_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_response_with_metadata_and_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_metadata_and_payload_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_response_with_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_payload_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_response_with_payload_and_call_creds", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_payload_and_call_creds_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_response_with_trailing_metadata_and_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_trailing_metadata_and_payload_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_with_flags", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_flags_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_with_large_metadata", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_large_metadata_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_with_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_payload_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_server_finishes_request", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_server_finishes_request_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_simple_delayed_request", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_simple_delayed_request_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_simple_request", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_simple_request_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_simple_request_with_high_initial_sequence_number", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_simple_request_with_high_initial_sequence_number_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
       "end2end_fixture_chttp2_fullstack_with_poll", 
       "end2end_test_bad_hostname", 
       "gpr", 
@@ -3079,6 +3589,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_fullstack_with_poll", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_with_poll_channel_connectivity_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_fullstack_with_poll", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -3529,6 +4054,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_simple_ssl_fullstack", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_simple_ssl_fullstack_channel_connectivity_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_simple_ssl_fullstack", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -3979,6 +4519,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_simple_ssl_fullstack_with_poll", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_simple_ssl_fullstack_with_poll_channel_connectivity_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_simple_ssl_fullstack_with_poll", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -4429,6 +4984,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_simple_ssl_with_oauth2_fullstack_channel_connectivity_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -4879,21 +5449,6 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_socket_pair", 
-      "end2end_test_disappearing_server", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_disappearing_server_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_certs", 
-      "end2end_fixture_chttp2_socket_pair", 
       "end2end_test_early_server_shutdown_finishes_inflight_calls", 
       "gpr", 
       "gpr_test_util", 
@@ -5179,21 +5734,6 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_socket_pair", 
-      "end2end_test_simple_delayed_request", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_simple_delayed_request_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_certs", 
-      "end2end_fixture_chttp2_socket_pair", 
       "end2end_test_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -5329,21 +5869,6 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_socket_pair_one_byte_at_a_time", 
-      "end2end_test_disappearing_server", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_one_byte_at_a_time_disappearing_server_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_certs", 
-      "end2end_fixture_chttp2_socket_pair_one_byte_at_a_time", 
       "end2end_test_early_server_shutdown_finishes_inflight_calls", 
       "gpr", 
       "gpr_test_util", 
@@ -5629,21 +6154,6 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_socket_pair_one_byte_at_a_time", 
-      "end2end_test_simple_delayed_request", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_certs", 
-      "end2end_fixture_chttp2_socket_pair_one_byte_at_a_time", 
       "end2end_test_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -5779,21 +6289,6 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_socket_pair_with_grpc_trace", 
-      "end2end_test_disappearing_server", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_with_grpc_trace_disappearing_server_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_certs", 
-      "end2end_fixture_chttp2_socket_pair_with_grpc_trace", 
       "end2end_test_early_server_shutdown_finishes_inflight_calls", 
       "gpr", 
       "gpr_test_util", 
@@ -6079,21 +6574,6 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_socket_pair_with_grpc_trace", 
-      "end2end_test_simple_delayed_request", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_with_grpc_trace_simple_delayed_request_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_certs", 
-      "end2end_fixture_chttp2_socket_pair_with_grpc_trace", 
       "end2end_test_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -6221,6 +6701,20 @@
   {
     "deps": [
       "end2end_fixture_chttp2_fullstack", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_channel_connectivity_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -6627,6 +7121,20 @@
   {
     "deps": [
       "end2end_fixture_chttp2_fullstack_uds_posix", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_channel_connectivity_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -6934,6 +7442,426 @@
   }, 
   {
     "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_bad_hostname", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_bad_hostname_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_cancel_after_accept", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_accept_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_cancel_after_accept_and_writes_closed", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_accept_and_writes_closed_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_cancel_after_invoke", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_after_invoke_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_cancel_before_invoke", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_before_invoke_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_cancel_in_a_vacuum", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_cancel_in_a_vacuum_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_census_simple_request", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_census_simple_request_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_channel_connectivity_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_disappearing_server", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_disappearing_server_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_early_server_shutdown_finishes_inflight_calls", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_early_server_shutdown_finishes_inflight_calls_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_early_server_shutdown_finishes_tags", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_early_server_shutdown_finishes_tags_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_empty_batch", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_empty_batch_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_graceful_server_shutdown", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_graceful_server_shutdown_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_invoke_large_request", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_invoke_large_request_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_max_concurrent_streams", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_max_concurrent_streams_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_max_message_length", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_max_message_length_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_no_op", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_no_op_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_ping_pong_streaming", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_ping_pong_streaming_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_registered_call", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_registered_call_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_response_with_binary_metadata_and_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_binary_metadata_and_payload_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_response_with_metadata_and_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_metadata_and_payload_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_response_with_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_payload_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_response_with_trailing_metadata_and_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_response_with_trailing_metadata_and_payload_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_with_flags", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_flags_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_with_large_metadata", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_large_metadata_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_request_with_payload", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_request_with_payload_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_server_finishes_request", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_server_finishes_request_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_simple_delayed_request", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_simple_delayed_request_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_simple_request", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_simple_request_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+      "end2end_test_simple_request_with_high_initial_sequence_number", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_posix_with_poll_simple_request_with_high_initial_sequence_number_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
       "end2end_fixture_chttp2_fullstack_with_poll", 
       "end2end_test_bad_hostname", 
       "gpr", 
@@ -7033,6 +7961,20 @@
   {
     "deps": [
       "end2end_fixture_chttp2_fullstack_with_poll", 
+      "end2end_test_channel_connectivity", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "chttp2_fullstack_with_poll_channel_connectivity_unsecure_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_chttp2_fullstack_with_poll", 
       "end2end_test_disappearing_server", 
       "gpr", 
       "gpr_test_util", 
@@ -7439,20 +8381,6 @@
   {
     "deps": [
       "end2end_fixture_chttp2_socket_pair", 
-      "end2end_test_disappearing_server", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_disappearing_server_unsecure_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_fixture_chttp2_socket_pair", 
       "end2end_test_early_server_shutdown_finishes_inflight_calls", 
       "gpr", 
       "gpr_test_util", 
@@ -7705,20 +8633,6 @@
   {
     "deps": [
       "end2end_fixture_chttp2_socket_pair", 
-      "end2end_test_simple_delayed_request", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_simple_delayed_request_unsecure_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_fixture_chttp2_socket_pair", 
       "end2end_test_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -7845,20 +8759,6 @@
   {
     "deps": [
       "end2end_fixture_chttp2_socket_pair_one_byte_at_a_time", 
-      "end2end_test_disappearing_server", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_one_byte_at_a_time_disappearing_server_unsecure_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_fixture_chttp2_socket_pair_one_byte_at_a_time", 
       "end2end_test_early_server_shutdown_finishes_inflight_calls", 
       "gpr", 
       "gpr_test_util", 
@@ -8111,20 +9011,6 @@
   {
     "deps": [
       "end2end_fixture_chttp2_socket_pair_one_byte_at_a_time", 
-      "end2end_test_simple_delayed_request", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_unsecure_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_fixture_chttp2_socket_pair_one_byte_at_a_time", 
       "end2end_test_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -8251,20 +9137,6 @@
   {
     "deps": [
       "end2end_fixture_chttp2_socket_pair_with_grpc_trace", 
-      "end2end_test_disappearing_server", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_with_grpc_trace_disappearing_server_unsecure_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_fixture_chttp2_socket_pair_with_grpc_trace", 
       "end2end_test_early_server_shutdown_finishes_inflight_calls", 
       "gpr", 
       "gpr_test_util", 
@@ -8517,20 +9389,6 @@
   {
     "deps": [
       "end2end_fixture_chttp2_socket_pair_with_grpc_trace", 
-      "end2end_test_simple_delayed_request", 
-      "gpr", 
-      "gpr_test_util", 
-      "grpc_test_util_unsecure", 
-      "grpc_unsecure"
-    ], 
-    "headers": [], 
-    "language": "c", 
-    "name": "chttp2_socket_pair_with_grpc_trace_simple_delayed_request_unsecure_test", 
-    "src": []
-  }, 
-  {
-    "deps": [
-      "end2end_fixture_chttp2_socket_pair_with_grpc_trace", 
       "end2end_test_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -10070,6 +10928,23 @@
       "test/core/end2end/end2end_tests.h"
     ], 
     "language": "c", 
+    "name": "end2end_fixture_chttp2_fullstack_uds_posix_with_poll", 
+    "src": [
+      "test/core/end2end/end2end_tests.h", 
+      "test/core/end2end/fixtures/chttp2_fullstack_uds_posix_with_poll.c"
+    ]
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [
+      "test/core/end2end/end2end_tests.h"
+    ], 
+    "language": "c", 
     "name": "end2end_fixture_chttp2_fullstack_with_poll", 
     "src": [
       "test/core/end2end/end2end_tests.h", 
@@ -10326,6 +11201,25 @@
       "test/core/end2end/tests/cancel_test_helpers.h"
     ], 
     "language": "c", 
+    "name": "end2end_test_channel_connectivity", 
+    "src": [
+      "test/core/end2end/end2end_tests.h", 
+      "test/core/end2end/tests/cancel_test_helpers.h", 
+      "test/core/end2end/tests/channel_connectivity.c"
+    ]
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [
+      "test/core/end2end/end2end_tests.h", 
+      "test/core/end2end/tests/cancel_test_helpers.h"
+    ], 
+    "language": "c", 
     "name": "end2end_test_disappearing_server", 
     "src": [
       "test/core/end2end/end2end_tests.h",