wip

t/05-others/010-connection_drop.t

@@ -0,0 +1,161 @@
+# vim:set ft= ts=4 sts=4 sw=4 et fdm=marker:
+
+use strict;
+use lib '.';
+use t::TestWasm;
+
+plan tests => repeat_each() * (blocks() * 5);
+
+run_tests();
+
+__DATA__
+
+=== TEST 1: client connection drop - send_local_response()
+Despite client connection drop, the client receives a response.
+An `eof: 1, avail:0` entry should be seen in error.log.
+--- shutdown
+--- wasm_modules: hostcalls
+--- config
+    location /t {
+        proxy_wasm hostcalls 'test=/t/send_local_response/status/204';
+    }
+--- error_code: 204
+--- grep_error_log eval: qr/(http lingering|recv: eof:1, avail:0).*/
+--- grep_error_log_out eval
+qr/http lingering close handler.*
+recv: eof:1, avail:0/
+--- no_error_log
+[warn]
+[error]
+[crit]
+
+
+
+=== TEST 2: client connection drop - dispatch_http_call()
+Despite client connection drop, the client receives a response.
+An `eof: 1, avail:0` entry should be seen in error.log.
+--- shutdown
+--- load_nginx_modules: ngx_http_echo_module
+--- wasm_modules: hostcalls
+--- http_config eval
+qq{
+    server {
+        listen unix:$ENV{TEST_NGINX_UNIX_SOCKET};
+
+        location / {
+            return 201;
+        }
+    }
+}
+--- config
+    location /t {
+        proxy_wasm hostcalls 'test=/t/dispatch_http_call \
+                              host=unix:$TEST_NGINX_UNIX_SOCKET \
+                              on_http_call_response=echo_response_headers';
+        echo fail;
+    }
+--- grep_error_log eval: qr/(http lingering|recv: eof:1, avail:0).*/
+--- grep_error_log_out eval
+qr/http lingering close handler.*
+recv: eof:1, avail:0/
+--- no_error_log
+[warn]
+[error]
+[crit]
+
+
+
+=== TEST 3: client connection drop - dispatch_http_call(), delayed upstream response
+Despite client connection drop and delayed upstream repsonse, the client
+receives a response.
+An `eof: 1, avail:0` entry should be seen in error.log.
+--- shutdown
+--- load_nginx_modules: ngx_http_echo_module
+--- wasm_modules: hostcalls
+--- http_config eval
+qq{
+    server {
+        listen unix:$ENV{TEST_NGINX_UNIX_SOCKET};
+
+        location / {
+            echo_sleep 0.01;
+            echo ok;
+        }
+    }
+}
+--- config
+    location /t {
+        proxy_wasm hostcalls 'test=/t/dispatch_http_call \
+                              host=unix:$TEST_NGINX_UNIX_SOCKET \
+                              on_http_call_response=echo_response_headers';
+        echo fail;
+    }
+--- grep_error_log eval: qr/(http lingering|recv: eof:1, avail:0).*/
+--- grep_error_log_out eval
+qr/http lingering close handler.*
+recv: eof:1, avail:0/
+--- no_error_log
+[warn]
+[error]
+[crit]
+
+
+
+=== TEST 4: client connection drop - proxy_wasm on_phases, echo
+Despite client connection drop, the client receives a response and
+proxy_wasm response phases are invoked.
+--- shutdown
+--- load_nginx_modules: ngx_http_echo_module
+--- wasm_modules: on_phases
+--- config
+    location /t {
+        proxy_wasm on_phases;
+        echo ok;
+    }
+--- response_body
+ok
+--- grep_error_log eval: qr/(#\d+ on_*|http lingering|recv: eof).*/
+--- grep_error_log_out eval
+qr/#\d+ on_request_headers.*
+#\d+ on_response_headers.*
+#\d+ on_response_body.*
+#\d+ on_response_body.*
+http lingering close handler
+recv: eof:1, avail:0/
+--- no_error_log
+[error]
+[crit]
+
+
+
+=== TEST 5: client connection drop - proxy_wasm on_phases, proxy_pass
+Client does not receive a response and proxy_wasm response phases are not
+invoked.
+--- shutdown
+--- wasm_modules: on_phases
+--- http_config eval
+qq{
+    server {
+        listen unix:$ENV{TEST_NGINX_UNIX_SOCKET};
+
+        location / {
+            return 201;
+        }
+    }
+}
+--- config
+    location /t {
+        proxy_wasm on_phases;
+        proxy_pass http://unix:$TEST_NGINX_UNIX_SOCKET:/;
+    }
+--- ignore_response
+--- grep_error_log eval: qr/(#\d+ on_*|client prematurely closed).*/
+--- grep_error_log_out eval
+qr/#\d+ on_request_headers.*
+client prematurely closed connection.*
+#\d+ on_log.*/
+--- no_error_log
+[warn]
+[error]
+[crit]
+[stub]