Testsuite: Provide '>>> ' for script input to allow binary data

This mimics the '>>> ' prefix for the test client. Any line prefixed
with '>>> ' will be processed by Perl's string eval().

As '>>> ' is generic and documented, it replaces the
(undocumented) '\NONL\' tag.

5 files changed, 19 insertions, 12 deletions

diff --git a/test/README b/test/README
index d944b29ac..34f09ff08 100644
--- a/test/README
+++ b/test/README
@@ -862,6 +862,12 @@ The remaining commands are followed by data lines for their standard input,
 terminated by four asterisks. Even if no data is required for the particular
 usage, the asterisks must be given.
 
+If the input line starts with '>>> ', this prefix and any trailing spaces
+(including line feed) are removed. The reminder is processed with Perl's string
+eval() function, effectivly evaluatiing escape sequences like '\x41', '\r', and
+such.  If you need a line feed there, you need to encode it according to your
+needs.
+
 
   background
 
@@ -876,7 +882,6 @@ except that the data it generates is copied to the end of the test-stdout file
 as well as to the named file.
 
 
-
   client [<options>] <ip address> <port> [<outgoing interface>]
 
 This command runs the auxiliary "client" program that simulates an SMTP client.
diff --git a/test/runtest b/test/runtest
index 4972aedd8..9621e276e 100755
--- a/test/runtest
+++ b/test/runtest
@@ -2766,8 +2766,9 @@ else { tests_exit(-1, "Command unrecognized in line $lineno: $_"); }
 
 
 # Run the command, with stdin connected to a pipe, and write the stdin data
-# to it, with appropriate substitutions. If a line ends with \NONL\, chop off
-# the terminating newline (and the \NONL\). If the command contains
+# to it, with appropriate substitutions. If a starts with '>>> ', process it
+# via Perl's string eval().
+# If the command contains
 # -DSERVER=server add "-server" to the command, where it will adjoin the name
 # for the stderr file. See comment above about the use of -DSERVER.
 
@@ -2781,7 +2782,8 @@ while (<SCRIPT>)
   $lineno++;
   last if /^\*{4}\s*$/;
   do_substitute($testno);
-  if (/^(.*)\\NONL\\\s*$/) { print CMD $1; } else { print CMD; }
+  s/^>>>\s(.*)\s*$/$1/ and $_ = eval "\"$1\"";
+  print CMD;
   }
 
 # For timeout tests, wait before closing the pipe; we expect a
diff --git a/test/scripts/0000-Basic/0100 b/test/scripts/0000-Basic/0100
index a8cf6863d..e31e9809d 100644
--- a/test/scripts/0000-Basic/0100
+++ b/test/scripts/0000-Basic/0100
@@ -78,7 +78,7 @@ exim -odi userx@test.ex <test-data
 ****
 exim -odi userx@test.ex
 Last line ending without a newline and with a partial match: 
-From\NONL\
+>>> From
 ****
 exim -odi filter-userx@test.ex
 Test message
@@ -91,11 +91,11 @@ From: is how headers start
 ****
 exim -odi filter-userx@test.ex
 Last line ending without a newline and with a partial match: 
-From\NONL\
+>>> From
 ****
 exim -odi userx@test.ex
 Last line ending without a newline and being a single dot:
-.\NONL\
+>>> .
 ****
 exim -odi mmdf-userx@test.ex
 Line consisting of four ^A characters
diff --git a/test/scripts/0000-Basic/0101 b/test/scripts/0000-Basic/0101
index 12f73c0b8..512a60ea8 100644
--- a/test/scripts/0000-Basic/0101
+++ b/test/scripts/0000-Basic/0101
@@ -61,7 +61,7 @@ exim -odi userx@test.ex <test-data
 ****
 exim -odi userx@test.ex
 Last line ending without a newline and with a partial match: 
-From\NONL\
+>>> From
 ****
 exim -odi filter-userx@test.ex
 Test message
@@ -74,11 +74,11 @@ From: is how headers start
 ****
 exim -odi filter-userx@test.ex
 Last line ending without a newline and with a partial match: 
-From\NONL\
+>>> From
 ****
 exim -odi userx@test.ex
 Last line ending without a newline and being a single dot:
-.\NONL\
+>>> .
 ****
 exim -odi mmdf-userx@test.ex
 Line consisting of four ^A characters
diff --git a/test/scripts/0000-Basic/0242 b/test/scripts/0000-Basic/0242
index 38e49edae..995f5cc13 100644
--- a/test/scripts/0000-Basic/0242
+++ b/test/scripts/0000-Basic/0242
@@ -17,7 +17,7 @@ QUIT
 250 OK
 ****
 exim -odi abc@x.y.z
-Test message\NONL\
+>>> Test message
 ****
 server PORT_S
 220 Server ready
@@ -35,5 +35,5 @@ QUIT
 250 OK
 ****
 exim -odi abc@x.y.z
-Subject: Test message\NONL\
+>>> Subject: Test message
 ****