test1270: a basic -w redirect_url test

Closes #4728

tests/data/Makefile.inc

@@ -143,7 +143,7 @@ test1236 test1237 test1238 test1239 test1240 test1241 test1242 test1243 \
 test1244 test1245 test1246 test1247 test1248 test1249 test1250 test1251 \
 test1252 test1253 test1254 test1255 test1256 test1257 test1258 test1259 \
 test1260 test1261 test1262 test1263 test1264 test1265 test1266 test1267 \
-test1268 test1269 \
+test1268 test1269 test1270 \
 \
 test1280 test1281 test1282 test1283 test1284 test1285 test1286 test1287 \
 test1288 test1289 test1290 test1291 test1292 \

tests/data/test1270

@@ -0,0 +1,69 @@
+<testcase>
+<info>
+<keywords>
+HTTP
+HTTP GET
+redirect_url
+followlocation
+--write-out
+</keywords>
+</info>
+
+# Server-side
+<reply>
+<data nocheck="yes">
+HTTP/1.1 302 Captive Portal
+Server: ohlala/2000
+Date: Tue, 17 Dec 2019 13:08:30 GMT
+Cache-Control: no-cache,no-store,must-revalidate,post-check=0,pre-check=0
+Location: https://moo.moo.moo
+Content-Type: text/html; charset=utf-8
+X-Frame-Options: SAMEORIGIN
+Strict-Transport-Security: max-age=604800
+Content-Length: 0
+Connection: close
+
+</data>
+</reply>
+
+# Client-side
+<client>
+<server>
+http
+</server>
+ <name>
+Basic 'redirect_url'
+ </name>
+ <command>
+http://%HOSTIP:%HTTPPORT/we/want/our/1270 -w '%{redirect_url}\n' -s
+</command>
+</client>
+
+# Verify data after the test has been "shot"
+<verify>
+<strip>
+^User-Agent:.*
+</strip>
+<protocol>
+GET /we/want/our/1270 HTTP/1.1
+Host: %HOSTIP:%HTTPPORT
+Accept: */*
+
+</protocol>
+
+<stdout>
+HTTP/1.1 302 Captive Portal
+Server: ohlala/2000
+Date: Tue, 17 Dec 2019 13:08:30 GMT
+Cache-Control: no-cache,no-store,must-revalidate,post-check=0,pre-check=0
+Location: https://moo.moo.moo
+Content-Type: text/html; charset=utf-8
+X-Frame-Options: SAMEORIGIN
+Strict-Transport-Security: max-age=604800
+Content-Length: 0
+Connection: close
+
+https://moo.moo.moo/
+</stdout>
+</verify>
+</testcase>