Added test for parse_dsn

Author: pintsized

t/connector.t

@@ -231,3 +231,54 @@ location /t {
 GET /t
 --- no_error_log
 [error]
+
+
+=== TEST 8: parse_dsn
+--- http_config eval: $::HttpConfig
+--- config
+location /t {
+    lua_socket_log_errors Off;
+    content_by_lua_block {
+        local rc = require("resty.redis.connector")
+
+		local params = {
+			url = "redis://[email protected]:$TEST_NGINX_REDIS_PORT/4"	
+		}
+
+		local ok, err = rc.parse_dsn(params)
+		assert(ok and not err,
+			"url should parse without error: " .. tostring(err))
+
+		assert(params.host == "127.0.0.1", "host should be localhost")
+		assert(tonumber(params.port) == $TEST_NGINX_REDIS_PORT,
+			"port should be $TEST_NGINX_REDIS_PORT")
+		assert(tonumber(params.db) == 4, "db should be 4")
+		assert(params.password == "foo", "password should be foo")	
+		
+
+		local params = {
+			url = "sentinel://foo@foomaster:s/2"	
+		}
+
+		local ok, err = rc.parse_dsn(params)
+		assert(ok and not err,
+			"url should parse without error: " .. tostring(err))
+
+		assert(params.master_name == "foomaster", "master_name should be foomaster")
+		assert(params.role == "slave", "role should be slave")
+		assert(tonumber(params.db) == 2, "db should be 2") 
+
+
+		local params = {
+			url = "sentinels:/wrongformat",
+		}
+		
+		local ok, err = rc.parse_dsn(params)
+		assert(not ok and err == "could not parse DSN: nil",
+			"url should fail to parse")
+    }
+}
+--- request
+GET /t
+--- no_error_log
+[error]