tests: improve test cases robustness.

162-static-module-location.t runs failed when set env TEST_NGINX_RANDOMIZE to 1.

025-codecache.t 106-timer.t 129-ssl-socket.t run failed when set env TEST_NGINX_USE_VALGRIND to 1.

138-balancer.t runs failed on fedora32 with kernel 5.9.14-100.fc32.x86_64.

Author: zhuizhuhaomeng

.travis.yml

@@ -95,6 +95,7 @@ script:
   - sudo iptables -I OUTPUT 1 -p udp --dport 10086 -j REJECT
   - sudo iptables -I OUTPUT -p tcp --dst 127.0.0.2 --dport 12345 -j DROP
   - sudo iptables -I OUTPUT -p udp --dst 127.0.0.2 --dport 12345 -j DROP
+  - sudo ip route add prohibit 0.0.0.1/32
   - cd luajit2/
   - make -j$JOBS CCDEBUG=-g Q= PREFIX=$LUAJIT_PREFIX CC=$CC XCFLAGS='-DLUA_USE_APICHECK -DLUA_USE_ASSERT -msse4.2' > build.log 2>&1 || (cat build.log && exit 1)
   - sudo make install PREFIX=$LUAJIT_PREFIX > build.log 2>&1 || (cat build.log && exit 1)

t/025-codecache.t

@@ -1096,7 +1096,7 @@ function go(port)
         ngx.say("failed to receive a line: ", err, " [", part, "]")
     end
 
-    local ok, err = sock:setkeepalive(1)
+    local ok, err = sock:setkeepalive(10)
     if not ok then
         ngx.say("failed to set reusable: ", err)
     end

t/106-timer.t

@@ -118,7 +118,7 @@ F(ngx_http_lua_timer_handler) {
 registered timer
 foo = 3
 
---- wait: 0.1
+--- wait: 0.2
 --- no_error_log
 [error]
 [alert]
@@ -603,7 +603,7 @@ delete thread 2
 --- response_body
 hello world
 
---- wait: 0.12
+--- wait: 0.3
 --- no_error_log
 [error]
 [alert]
@@ -613,7 +613,7 @@ hello world
 [
 "registered timer",
 qr/\[lua\] .*? my lua timer handler/,
-qr/\[lua\] log_by_lua\(nginx\.conf:\d+\):\d+: elapsed: 0\.0(?:6[4-9]|7[0-6])/,
+qr/\[lua\] log_by_lua\(nginx\.conf:\d+\):\d+: elapsed: 0\.0(?:6[4-9]|7[0-9]|8[1-3])/,
 "lua ngx.timer expired",
 "http lua close fake http connection"
 ]

t/129-ssl-socket.t

@@ -2563,6 +2563,7 @@ qr/\[error\] .* ngx.socket sslhandshake: expecting 1 ~ 5 arguments \(including t
 --- timeout: 10
 
 
+
 === TEST 32: default cipher -TLSv1.3
 --- skip_openssl: 8: < 1.1.1
 --- http_config

t/138-balancer.t

@@ -7,6 +7,9 @@ use Test::Nginx::Socket::Lua;
 #workers(2);
 #log_level('warn');
 
+#connect 0.0.0.1 on newer kernel won't return EINVAL
+#so add an route with cmd: sudo ip route add prohibit 0.0.0.1/32
+
 repeat_each(2);
 
 plan tests => repeat_each() * (blocks() * 4 + 9);

t/162-static-module-location.t

@@ -41,8 +41,8 @@ Hello, world
 --- request
 GET /t/中文
 --- error_code: 301
---- response_headers
-Location: http://localhost:1984/t/%E4%B8%AD%E6%96%87/
+--- response_headers_like
+Location: http:\/\/localhost:\d+\/t\/%E4%B8%AD%E6%96%87\/
 --- response_body_like
 .*301 Moved Permanently.*
 
@@ -57,8 +57,8 @@ Hello, world
 --- request
 GET /t/中文?q=name
 --- error_code: 301
---- response_headers
-Location: http://localhost:1984/t/%E4%B8%AD%E6%96%87/?q=name
+--- response_headers_like
+Location: http:\/\/localhost:\d+\/t\/%E4%B8%AD%E6%96%87\/\?q=name
 --- response_body_like
 .*301 Moved Permanently.*
 
@@ -73,8 +73,8 @@ Hello, world
 --- request
 GET /t/%E4%B8%AD%E6%96%87
 --- error_code: 301
---- response_headers
-Location: http://localhost:1984/t/%E4%B8%AD%E6%96%87/
+--- response_headers_like
+Location: http:\/\/localhost:\d+\/t\/%E4%B8%AD%E6%96%87\/
 --- response_body_like
 .*301 Moved Permanently.*
 
@@ -89,7 +89,7 @@ Hello, world
 --- request
 GET /t/%E4%B8%AD%E6%96%87?q=name
 --- error_code: 301
---- response_headers
-Location: http://localhost:1984/t/%E4%B8%AD%E6%96%87/?q=name
+--- response_headers_like
+Location: http://localhost:\d+\/t\/%E4%B8%AD%E6%96%87\/\?q=name
 --- response_body_like
 .*301 Moved Permanently.*