tests(*) simple refactor

t/00-sanity.t

@@ -0,0 +1,27 @@
+use strict;
+use warnings FATAL => 'all';
+use Test::Nginx::Socket::Lua;
+
+plan tests => 2;
+
+run_tests();
+
+__DATA__
+
+=== TEST 1: load lua-resty-dns-client
+--- config
+    location = /t {
+        access_by_lua_block {
+            local client = require("resty.dns.client")
+            assert(client.init())
+            local host = "localhost"
+            local typ = client.TYPE_A
+            local answers, err = assert(client.resolve(host, { qtype = typ }))
+            ngx.say(answers[1].address)
+        }
+    }
+--- request
+GET /t
+--- response_body
+127.0.0.1
+--- no_error_log

t/01-phases.t

@@ -0,0 +1,66 @@
+use Test::Nginx::Socket;
+
+plan tests => repeat_each() * (blocks() * 5);
+
+workers(6);
+
+no_shuffle();
+run_tests();
+
+__DATA__
+
+=== TEST 1: client supports access phase
+--- config
+    location = /t {
+        access_by_lua_block {
+            local client = require("resty.dns.client")
+            assert(client.init())
+            local host = "localhost"
+            local typ = client.TYPE_A
+            local answers, err = client.resolve(host, { qtype = typ })
+
+            if not answers then
+                ngx.say("failed to resolve: ", err)
+            end
+
+            ngx.say("address name: ", answers[1].name)
+        }
+    }
+--- request
+GET /t
+--- response_body
+address name: localhost
+--- no_error_log
+[error]
+dns lookup pool exceeded retries
+API disabled in the context of init_worker_by_lua
+
+
+
+=== TEST 2: client does not support init_worker phase
+--- http_config eval
+qq {
+    init_worker_by_lua_block {
+        local client = require("resty.dns.client")
+        assert(client.init())
+        local host = "konghq.com"
+        local typ = client.TYPE_A
+        answers, err = client.resolve(host, { qtype = typ })
+    }
+}
+--- config
+    location = /t {
+        access_by_lua_block {
+            ngx.say("answers: ", answers)
+            ngx.say("err: ", err)
+        }
+    }
+--- request
+GET /t
+--- response_body
+answers: nil
+err: dns client error: 101 empty record received
+--- no_error_log
+[error]
+dns lookup pool exceeded retries
+API disabled in the context of init_worker_by_lua