Display type and name of file in error messages

[colorize.git] / test.pl

diff --git a/test.pl b/test.pl
index a825ba769ac3ef1b2887635254f6712272f2f59e..8d8b592895def338f13a8723414f8aaa5d9e2b8f 100755 (executable)
--- a/test.pl
+++ b/test.pl
@@ -2,19 +2,22 @@
 
 use strict;
 use warnings;
-use constant true => 1;
+use constant true  => 1;
+use constant false => 0;
 
-use File::Temp qw(tempfile tmpnam);
+use File::Temp qw(tempfile tempdir tmpnam);
+use IPC::Open3 qw(open3);
+use Symbol qw(gensym);
 use Test::More;
 
-my $tests = 22;
+my $tests = 23;
 
 my %BUF_SIZE = (
    normal => 1024,
    short  => 10,
 );
 my $source = 'colorize.c';
-my $warning_flags = '-Wall -Wextra -Wformat -Wswitch-default -Wuninitialized -Wunused -Wno-unused-function -Wno-unused-parameter';
+my $compiler_flags = '-ansi -pedantic -Wall -Wextra -Wformat -Wswitch-default -Wuninitialized -Wunused -Wno-unused-function -Wno-unused-parameter';
 
 my $write_to_tmpfile = sub
 {
@@ -32,11 +35,61 @@ plan tests => $tests;
 SKIP: {
     skip "$source does not exist", $tests unless -e $source;
 
+    my $binary = tmpnam();
+    skip 'compiling failed', $tests unless system("gcc $compiler_flags -o $binary $source") == 0;
+    unlink $binary;
+
     my $program = tmpnam();
-    skip 'compiling failed (normal)', $tests unless system("gcc -DTEST -DBUF_SIZE=$BUF_SIZE{normal} $warning_flags -o $program $source") == 0;
+    skip 'compiling failed (normal)', $tests unless system("gcc -DTEST -DBUF_SIZE=$BUF_SIZE{normal} -o $program $source") == 0;
 
     is(system("$program --help >/dev/null 2>&1"), 0, 'exit value for help screen');
 
+    my $run_program_fail = sub
+    {
+        my ($program, $args, $message) = @_;
+
+        my @args = split /\s+/, $args;
+
+        my $err = gensym;
+
+        my $pid = open3(gensym, gensym, $err, $program, @args);
+        waitpid($pid, 0);
+
+        my $output = do { local $/; <$err> };
+
+        return ($? >> 8 == 1 && $output =~ /$message/) ? true : false;
+    };
+
+    {
+        my $ok = true;
+
+        my $file = $write_to_tmpfile->('abc');
+        my $dir  = tempdir(CLEANUP => true);
+
+        $ok &= $run_program_fail->($program, '--exclude-random=random', 'must be provided a plain color');
+        $ok &= $run_program_fail->($program, '--clean --clean-all',     'mutually exclusive');
+        $ok &= $run_program_fail->($program, '--clean file1 file2',     'more than one file');
+        $ok &= $run_program_fail->($program, '--clean-all file1 file2', 'more than one file');
+        $ok &= $run_program_fail->($program, '- file',                  'hyphen cannot be used as color string');
+        $ok &= $run_program_fail->($program, '-',                       'hyphen must be preceeded by color string');
+        $ok &= $run_program_fail->($program, "$file file",              'cannot be used as color string');
+        $ok &= $run_program_fail->($program, "$file",                   'must be preceeded by color string');
+        $ok &= $run_program_fail->($program, "$dir",                    'is not a valid file type');
+        $ok &= $run_program_fail->($program, '/black',                  'foreground color missing');
+        $ok &= $run_program_fail->($program, 'white/',                  'background color missing');
+        $ok &= $run_program_fail->($program, 'white/black/yellow',      'one color pair allowed only');
+        $ok &= $run_program_fail->($program, 'y3llow',                  'cannot be made of non-alphabetic characters');
+        $ok &= $run_program_fail->($program, 'yEllow',                  'cannot be in mixed lower/upper case');
+        $ok &= $run_program_fail->($program, 'None',                    'cannot be bold');
+        $ok &= $run_program_fail->($program, 'white/Black',             'cannot be bold');
+
+        foreach my $color_pair (qw(random/none random/default none/random default/random)) {
+            $ok &= $run_program_fail->($program, $color_pair, 'cannot be combined with');
+        }
+
+        ok($ok, 'exit messages/values for failures');
+    }
+
     is(qx(echo    "hello world" | $program none/none), "hello world\n", 'line read from stdin with newline');
     is(qx(echo -n "hello world" | $program none/none), "hello world",   'line read from stdin without newline');
 
@@ -92,7 +145,7 @@ SKIP: {
 
     SKIP: {
         my $program_buf = tmpnam();
-        skip 'compiling failed (short buffer)', 2 unless system("gcc -DTEST -DBUF_SIZE=$BUF_SIZE{short} $warning_flags -o $program_buf $source") == 0;
+        skip 'compiling failed (short buffer)', 2 unless system("gcc -DTEST -DBUF_SIZE=$BUF_SIZE{short} -o $program_buf $source") == 0;
         $check_clean_buf->($program_buf, $_) foreach qw(clean clean-all);
         unlink $program_buf;
     }
@@ -122,7 +175,7 @@ SKIP: {
 Colors
 ======
 EOT
-    foreach my $color (qw(none black red green yellow blue cyan magenta white default random)) {
+    foreach my $color (qw(none black red green yellow blue magenta cyan white default random)) {
         system("echo $color | $program $color");
         next if $color eq 'none';
         my $bold_color = ucfirst $color;