From 5e7a8c9dcd60f38b48e3cd20a6f76d16ee2ead44 Mon Sep 17 00:00:00 2001
From: steve <none@none>
Date: Thu, 22 Jun 2006 14:52:58 +0000
Subject: [PATCH] 2006-06-22 14:52:58 by steve   New test - make sure that
 every command line argument which is offered  on the POD text, output with
 --help, is actually processed.

---
 tests/getopt.t | 132 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100644 tests/getopt.t

diff --git a/tests/getopt.t b/tests/getopt.t
new file mode 100644
index 0000000..dfe2e11
--- /dev/null
+++ b/tests/getopt.t
@@ -0,0 +1,132 @@
+#!/usr/bin/perl -w
+#
+#  Test that every perl script accepts and processes each of the options
+# documented in its POD.
+#
+#  Cute test :)
+#
+# Steve
+# --
+# $Id: getopt.t,v 1.1 2006-06-22 14:52:58 steve Exp $
+
+
+use strict;
+use File::Find;
+use Test::More qw( no_plan );
+
+
+#
+#  Test each file
+#
+foreach my $file ( sort( glob "./bin/*-*" ) )
+{
+    testFile( $file );
+}
+
+
+#
+#  Check a file.
+#
+#  If this is a perl file then call "perl -c $name", otherwise
+# return
+#
+sub testFile
+{
+    my ($file ) = (@_);
+    is( -e $file, 1, "File exists: $file" );
+    is( -x $file, 1, "File is executable" );
+
+    #
+    #  Run the file with "--help" and capture the output.
+    #
+    my $output = `$file --help`;
+
+    #
+    #  Parse out the options we accept
+    #
+    my @documented = ();
+
+    foreach my $line ( split( /\n/, $output ) )
+    {
+        if ( $line =~ /[ \t]*--([a-z-]+)/ )
+        {
+            push @documented, $1;
+        }
+    }
+
+    #
+    #  Test we got some options
+    #
+    ok( $#documented > 1, "We found some options documented." );
+
+    #
+    #  Now read the input file.
+    #
+    open( IN, "<", $file ) or die "Failed to open file for reading $file - $!";
+    my @LINES = <IN>;
+    close( IN );
+
+    #
+    #  Options accepted
+    #
+    my %accepted;
+
+    #
+    #  Do minimal parsing to find the options we process with
+    # Getopt::Long;
+    #
+    my $complete = join( "\n", @LINES );
+    if ( $complete =~ /GetOptions\(([^\)]+)\)/mi )
+    {
+        my $opt = $1;
+
+        #
+        #  Process each one.
+        #
+        foreach my $o ( split( /\n/, $opt ) )
+        {
+            #
+            #  Strip trailing comments.
+            #
+            if ( $o =~ /([^#]+)#/ )
+            {
+                $o = $1;
+            }
+
+            #
+            #  Remove "" from around it.
+            #
+            if ( $o =~ /"([^"]+)"/ )
+            {
+                $o = $1;
+            }
+
+            #
+            #  Discard anything after "=", or " "
+            #
+            if ( $o =~ /(.*)[ \t=]+(.*)/ )
+            {
+                $o = $1;
+            }
+
+            #
+            #  Now avoid blank lines.
+            #
+            next if ( $o =~ /^[ \t]*$/ );
+
+
+            #
+            #  Phew.  Now we're done.
+            #
+            $accepted{$o} = 1;
+        }
+    }
+
+    #
+    #  Now we want to find an option that is not documented.
+    #
+    foreach my $argument ( @documented )
+    {
+        is( $accepted{$argument}, 1, "Option '--$argument' accepted" );
+    }
+}