IPC::Run to run example commands

[barcat.git] / t / examples.t

diff --git a/t/examples.t b/t/examples.t
index 02019b9b4a8e9a72fbf593c484f3e9ce3bde9d82..52e7a5a7b732f06bec7a4037617d8eb36afa1e7d 100755 (executable)
--- a/t/examples.t
+++ b/t/examples.t
@@ -1,7 +1,14 @@
 #!/usr/bin/env perl
 use 5.014;
 use warnings;
+use re '/ms';
+use IPC::Run 'run';
+
 use Test::More;
+{ # silence fail diagnostics because of single caller
+       no warnings 'redefine';
+       sub Test::Builder::_ok_debug {}
+}
 
 my %CMDARGS = (
        ping => '-c 1',
@@ -20,7 +27,20 @@ while (readline $input) {
        /^\h/ or next;
        chomp;
 
-       my ($name) = /[\h(]*([^|]+)/;
+       # compose an identifier from significant parts
+       do {
+               s/^\h+//;             # indentation
+               s/\\\n\s*//g;         # line continuations
+               s/^[(\h]+//;          # subshell
+               s/^echo\ .*?\|\s*//;  # preceding input
+               s/\|.*//;             # subsequent pipes
+               s/^cat\ //;           # local file
+               s/^curl\ // and do {  # remote url
+                       s/\ -.+//g;                 # download options
+                       s{//[^/\s]+/\K\S*(?=/)}{};  # subdirectories
+                       s{^https?://}{};            # http protocol
+               };
+       } for my $name = $_;
 
        # prepare shell command to execute
        my $cmd = $_;
@@ -28,13 +48,15 @@ while (readline $input) {
                $subcmd .= " \\K", $args .= ' ' unless $subcmd =~ m/\\K/;
                $cmd =~ s/\b$subcmd/$args/;
        }
-       $cmd =~ s/'/'\\''/g, $cmd = "bash -c 'set -o pipefail\n$cmd'";
+       my @cmd = (bash => -c => "set -o pipefail\n$cmd");
 
        # run and report unexpected results
        ok(eval {
-               qx($cmd) or return;
-               return $? == 0;
-       }, $name);
+               run(\@cmd, \undef, \my $output);
+               $? == 0 or die "error status ", $? >> 8, "\n";
+               length $output or die "empty output\n";
+               return 1;
+       }, $name) or diag("Failed command\n@cmd\nfrom $filename line $.: $@");
 }
 
 done_testing();