test-serve: Show if port config and option are correctly used

this will break in d3f27d15c9cb

tests/test-serve

@@ -2,8 +2,10 b''
 
 hgserve()
 {
-    hg serve -a localhost -p $HGPORT1 -d --pid-file=hg.pid -E errors.log -v $@ \
-        | sed -e 's/:[0-9][0-9]*//g' -e 's/http:\/\/[^/]*\//http:\/\/localhost\//'
+    hg serve -a localhost -d --pid-file=hg.pid -E errors.log -v $@ \
+        | sed -e "s/:$HGPORT1\\([^0-9]\\)/:HGPORT1\1/g" \
+              -e "s/:$HGPORT2\\([^0-9]\\)/:HGPORT2\1/g" \
+              -e 's/http:\/\/[^/]*\//http:\/\/localhost\//'
     cat hg.pid >> "$DAEMON_PIDS"
     echo % errors
     cat errors.log
@@ -17,6 +19,7 b' cd test'
 
 echo '[web]' > .hg/hgrc
 echo 'accesslog = access.log' >> .hg/hgrc
+echo "port = $HGPORT1" >> .hg/hgrc
 
 echo % Without -v
 hg serve -a localhost -p $HGPORT -d --pid-file=hg.pid -E errors.log
@@ -30,6 +33,9 b' cat errors.log'
 echo % With -v
 hgserve
 
+echo % With -v and -p HGPORT2
+hgserve -p "$HGPORT2"
+
 echo % With --prefix foo
 hgserve --prefix foo
 

tests/test-serve.out

@@ -2,17 +2,20 b''
 access log created - .hg/hgrc respected
 % errors
 % With -v
-listening at http://localhost/ (bound to 127.0.0.1)
+listening at http://localhost/ (bound to 127.0.0.1:HGPORT1)
+% errors
+% With -v and -p HGPORT2
+listening at http://localhost/ (bound to 127.0.0.1:HGPORT2)
 % errors
 % With --prefix foo
-listening at http://localhost/foo/ (bound to 127.0.0.1)
+listening at http://localhost/foo/ (bound to 127.0.0.1:HGPORT1)
 % errors
 % With --prefix /foo
-listening at http://localhost/foo/ (bound to 127.0.0.1)
+listening at http://localhost/foo/ (bound to 127.0.0.1:HGPORT1)
 % errors
 % With --prefix foo/
-listening at http://localhost/foo/ (bound to 127.0.0.1)
+listening at http://localhost/foo/ (bound to 127.0.0.1:HGPORT1)
 % errors
 % With --prefix /foo/
-listening at http://localhost/foo/ (bound to 127.0.0.1)
+listening at http://localhost/foo/ (bound to 127.0.0.1:HGPORT1)
 % errors