test: send a message using stdin

test/10-groupchat.bats

@@ -1,5 +1,10 @@
 #!/usr/bin/env bats
 
+[ "$XMPPIPE_USERNAME" ]
+[ "$XMPPIPE_PASSWORD" ]
+[ "$XMPPIPE_TEST_USERNAME" ]
+[ "$XMPPIPE_TEST_PASSWORD" ]
+
 @test "enter MUC" {
     xmppipe < /dev/null | grep -q "^p:available"
 }
@@ -16,3 +21,8 @@
     grep -q "^p:available:" $TMPDIR/stdout
     grep -q $MESSAGE $TMPDIR/stderr
 }
+
+@test "sending/receive message: stdin" {
+    (sleep 10; echo 'test123 ~!@#$' | xmppipe -o xmppipe-test -r user1 -u $XMPPIPE_TEST_USERNAME -p $XMPPIPE_TEST_PASSWORD) &
+    xmppipe -o xmppipe-test -s | egrep "^m:groupchat:[^/]+/user1:[^:]+:test123%20~%21@%23%24%0A"
+}