# t/test.pl - most of Test::More functionality without the fuss
#
+$Level = 1;
my $test = 1;
my $planned;
$TODO = 0;
+$NO_ENDING = 0;
sub plan {
my $n;
END {
my $ran = $test - 1;
- if (defined $planned && $planned != $ran) {
- print STDOUT "# Looks like you planned $planned tests but ran $ran.\n";
+ if (!$NO_ENDING && defined $planned && $planned != $ran) {
+ print STDERR "# Looks like you planned $planned tests but ran $ran.\n";
}
}
+# Use this instead of "print STDERR" when outputing failure diagnostic
+# messages
+sub _diag {
+ return unless @_;
+ my @mess = map { /^#/ ? "$_\n" : "# $_\n" }
+ map { split /\n/ } @_;
+ my $fh = $TODO ? *STDOUT : *STDERR;
+ print $fh @mess;
+
+}
+
sub skip_all {
if (@_) {
- print STDOUT "1..0 - @_\n";
+ print STDOUT "1..0 # Skipped: @_\n";
} else {
print STDOUT "1..0\n";
}
# VMS will avenge.
my $out;
if ($name) {
+ # escape out '#' or it will interfere with '# skip' and such
+ $name =~ s/#/\\#/g;
$out = $pass ? "ok $test - $name" : "not ok $test - $name";
} else {
$out = $pass ? "ok $test" : "not ok $test";
print STDOUT "$out\n";
unless ($pass) {
- print STDOUT "# Failed $where\n";
+ _diag "# Failed $where\n";
}
# Ensure that the message is properly escaped.
- print STDOUT map { /^#/ ? "$_\n" : "# $_\n" }
- map { split /\n/ } @mess if @mess;
+ _diag @mess;
$test++;
}
sub _where {
- my @caller = caller(1);
+ my @caller = caller($Level);
return "at $caller[1] line $caller[2]";
}
-sub ok {
+# DON'T use this for matches. Use like() instead.
+sub ok ($@) {
my ($pass, $name, @mess) = @_;
_ok($pass, _where(), $name, @mess);
}
my $x = shift;
return 'undef' unless defined $x;
my $q = $x;
+ $q =~ s/\\/\\\\/;
$q =~ s/'/\\'/;
return "'$q'";
}
-sub is {
+sub _qq {
+ my $x = shift;
+ return defined $x ? '"' . display ($x) . '"' : 'undef';
+};
+
+# keys are the codes \n etc map to, values are 2 char strings such as \n
+my %backslash_escape;
+foreach my $x (split //, 'nrtfa\\\'"') {
+ $backslash_escape{ord eval "\"\\$x\""} = "\\$x";
+}
+# A way to display scalars containing control characters and Unicode.
+# Trying to avoid setting $_, or relying on local $_ to work.
+sub display {
+ my @result;
+ foreach my $x (@_) {
+ if (defined $x and not ref $x) {
+ my $y = '';
+ foreach my $c (unpack("U*", $x)) {
+ if ($c > 255) {
+ $y .= sprintf "\\x{%x}", $c;
+ } elsif ($backslash_escape{$c}) {
+ $y .= $backslash_escape{$c};
+ } else {
+ my $z = chr $c; # Maybe we can get away with a literal...
+ $z = sprintf "\\%03o", $c if $z =~ /[[:^print:]]/;
+ $y .= $z;
+ }
+ }
+ $x = $y;
+ }
+ return $x unless wantarray;
+ push @result, $x;
+ }
+ return @result;
+}
+
+sub is ($$@) {
my ($got, $expected, $name, @mess) = @_;
- my $pass = $got eq $expected;
+
+ my $pass;
+ if( !defined $got || !defined $expected ) {
+ # undef only matches undef
+ $pass = !defined $got && !defined $expected;
+ }
+ else {
+ $pass = $got eq $expected;
+ }
+
unless ($pass) {
unshift(@mess, "# got "._q($got)."\n",
"# expected "._q($expected)."\n");
_ok($pass, _where(), $name, @mess);
}
-sub isnt {
+sub isnt ($$@) {
my ($got, $isnt, $name, @mess) = @_;
- my $pass = $got ne $isnt;
+
+ my $pass;
+ if( !defined $got || !defined $isnt ) {
+ # undef only matches undef
+ $pass = defined $got || defined $isnt;
+ }
+ else {
+ $pass = $got ne $isnt;
+ }
+
unless( $pass ) {
unshift(@mess, "# it should not be "._q($got)."\n",
"# but it is.\n");
_ok($pass, _where(), $name, @mess);
}
+sub cmp_ok ($$$@) {
+ my($got, $type, $expected, $name, @mess) = @_;
+
+ my $pass;
+ {
+ local $^W = 0;
+ local($@,$!); # don't interfere with $@
+ # eval() sometimes resets $!
+ $pass = eval "\$got $type \$expected";
+ }
+ unless ($pass) {
+ # It seems Irix long doubles can have 2147483648 and 2147483648
+ # that stringify to the same thing but are acutally numerically
+ # different. Display the numbers if $type isn't a string operator,
+ # and the numbers are stringwise the same.
+ # (all string operators have alphabetic names, so tr/a-z// is true)
+ # This will also show numbers for some uneeded cases, but will
+ # definately be helpful for things such as == and <= that fail
+ if ($got eq $expected and $type !~ tr/a-z//) {
+ unshift @mess, "# $got - $expected = " . ($got - $expected) . "\n";
+ }
+ unshift(@mess, "# got "._q($got)."\n",
+ "# expected $type "._q($expected)."\n");
+ }
+ _ok($pass, _where(), $name, @mess);
+}
+
+# Check that $got is within $range of $expected
+# if $range is 0, then check it's exact
+# else if $expected is 0, then $range is an absolute value
+# otherwise $range is a fractional error.
+# Here $range must be numeric, >= 0
+# Non numeric ranges might be a useful future extension. (eg %)
+sub within ($$$@) {
+ my ($got, $expected, $range, $name, @mess) = @_;
+ my $pass;
+ if (!defined $got or !defined $expected or !defined $range) {
+ # This is a fail, but doesn't need extra diagnostics
+ } elsif ($got !~ tr/0-9// or $expected !~ tr/0-9// or $range !~ tr/0-9//) {
+ # This is a fail
+ unshift @mess, "# got, expected and range must be numeric\n";
+ } elsif ($range < 0) {
+ # This is also a fail
+ unshift @mess, "# range must not be negative\n";
+ } elsif ($range == 0) {
+ # Within 0 is ==
+ $pass = $got == $expected;
+ } elsif ($expected == 0) {
+ # If expected is 0, treat range as absolute
+ $pass = ($got <= $range) && ($got >= - $range);
+ } else {
+ my $diff = $got - $expected;
+ $pass = abs ($diff / $expected) < $range;
+ }
+ unless ($pass) {
+ if ($got eq $expected) {
+ unshift @mess, "# $got - $expected = " . ($got - $expected) . "\n";
+ }
+ unshift@mess, "# got "._q($got)."\n",
+ "# expected "._q($expected)." (within "._q($range).")\n";
+ }
+ _ok($pass, _where(), $name, @mess);
+}
+
# Note: this isn't quite as fancy as Test::More::like().
-sub like {
+sub like ($$@) {
my ($got, $expected, $name, @mess) = @_;
my $pass;
if (ref $expected eq 'Regexp') {
$pass = $got =~ $expected;
unless ($pass) {
- unshift(@mess, "# got '$got'\n");
+ unshift(@mess, "# got '$got'\n",
+ "# expected /$expected/\n");
}
} else {
$pass = $got =~ /$expected/;
}
sub curr_test {
+ $test = shift if @_;
return $test;
}
sub next_test {
- $test++
+ $test++;
}
# Note: can't pass multipart messages since we try to
return 1;
}
-sub require_ok {
+sub eq_hash {
+ my ($orig, $suspect) = @_;
+ my $fail;
+ while (my ($key, $value) = each %$suspect) {
+ # Force a hash recompute if this perl's internals can cache the hash key.
+ $key = "" . $key;
+ if (exists $orig->{$key}) {
+ if ($orig->{$key} ne $value) {
+ print STDOUT "# key ", _qq($key), " was ", _qq($orig->{$key}),
+ " now ", _qq($value), "\n";
+ $fail = 1;
+ }
+ } else {
+ print STDOUT "# key ", _qq($key), " is ", _qq($value),
+ ", not in original.\n";
+ $fail = 1;
+ }
+ }
+ foreach (keys %$orig) {
+ # Force a hash recompute if this perl's internals can cache the hash key.
+ $_ = "" . $_;
+ next if (exists $suspect->{$_});
+ print STDOUT "# key ", _qq($_), " was ", _qq($orig->{$_}), " now missing.\n";
+ $fail = 1;
+ }
+ !$fail;
+}
+
+sub require_ok ($) {
my ($require) = @_;
eval <<REQUIRE_OK;
require $require;
_ok(!$@, _where(), "require $require");
}
-sub use_ok {
+sub use_ok ($) {
my ($use) = @_;
eval <<USE_OK;
use $use;
# switches => [ command-line switches ]
# nolib => 1 # don't use -I../lib (included by default)
# prog => one-liner (avoid quotes)
+# progs => [ multi-liner (avoid quotes) ]
# progfile => perl script
# stdin => string to feed the stdin
# stderr => redirect stderr to stdout
foreach (@$args) {
# In VMS protect with doublequotes because otherwise
# DCL will lowercase -- unless already doublequoted.
- $_ = q(").$_.q(") if $is_vms && !/^\"/;
+ $_ = q(").$_.q(") if $is_vms && !/^\"/ && length($_) > 0;
$$runperl .= ' ' . $_;
}
}
-sub runperl {
+sub _create_runperl { # Create the string to qx in runperl().
my %args = @_;
- my $runperl = $^X;
- if ($args{switches}) {
- _quote_args(\$runperl, $args{switches});
- }
+ my $runperl = $^X =~ m/\s/ ? qq{"$^X"} : $^X;
unless ($args{nolib}) {
if ($is_macos) {
$runperl .= ' -I::lib';
$runperl .= ' "-I../lib"'; # doublequotes because of VMS
}
}
+ if ($args{switches}) {
+ local $Level = 2;
+ die "test.pl:runperl(): 'switches' must be an ARRAYREF " . _where()
+ unless ref $args{switches} eq "ARRAY";
+ _quote_args(\$runperl, $args{switches});
+ }
if (defined $args{prog}) {
- if ($is_mswin || $is_netware || $is_vms) {
- $runperl .= qq( -e ") . $args{prog} . qq(");
- }
- else {
- $runperl .= qq( -e ') . $args{prog} . qq(');
- }
+ die "test.pl:runperl(): both 'prog' and 'progs' cannot be used " . _where()
+ if defined $args{progs};
+ $args{progs} = [$args{prog}]
+ }
+ if (defined $args{progs}) {
+ die "test.pl:runperl(): 'progs' must be an ARRAYREF " . _where()
+ unless ref $args{progs} eq "ARRAY";
+ foreach my $prog (@{$args{progs}}) {
+ if ($is_mswin || $is_netware || $is_vms) {
+ $runperl .= qq ( -e "$prog" );
+ }
+ else {
+ $runperl .= qq ( -e '$prog' );
+ }
+ }
} elsif (defined $args{progfile}) {
$runperl .= qq( "$args{progfile}");
}
if (defined $args{stdin}) {
- # so we don't try to put literal newlines and crs onto the
- # command line.
- $args{stdin} =~ s/\n/\\n/g;
- $args{stdin} =~ s/\r/\\r/g;
+ # so we don't try to put literal newlines and crs onto the
+ # command line.
+ $args{stdin} =~ s/\n/\\n/g;
+ $args{stdin} =~ s/\r/\\r/g;
if ($is_mswin || $is_netware || $is_vms) {
$runperl = qq{$^X -e "print qq(} .
$args{stdin} . q{)" | } . $runperl;
}
+ elsif ($is_macos) {
+ # MacOS can only do two processes under MPW at once;
+ # the test itself is one; we can't do two more, so
+ # write to temp file
+ my $stdin = qq{$^X -e 'print qq(} . $args{stdin} . qq{)' > teststdin; };
+ if ($args{verbose}) {
+ my $stdindisplay = $stdin;
+ $stdindisplay =~ s/\n/\n\#/g;
+ print STDERR "# $stdindisplay\n";
+ }
+ `$stdin`;
+ $runperl .= q{ < teststdin };
+ }
else {
$runperl = qq{$^X -e 'print qq(} .
$args{stdin} . q{)' | } . $runperl;
if ($args{verbose}) {
my $runperldisplay = $runperl;
$runperldisplay =~ s/\n/\n\#/g;
- print STDOUT "# $runperldisplay\n";
+ print STDERR "# $runperldisplay\n";
}
+ return $runperl;
+}
+
+sub runperl {
+ my $runperl = &_create_runperl;
my $result = `$runperl`;
$result =~ s/\n\n/\n/ if $is_vms; # XXX pipes sometimes double these
return $result;
}
+*run_perl = \&runperl; # Nice alias.
-sub BAILOUT {
- print STDOUT "Bail out! @_\n";
- exit;
-}
-
-
-# A way to display scalars containing control characters and Unicode.
-sub display {
- map { join("", map { $_ > 255 ? sprintf("\\x{%x}", $_) : chr($_) =~ /[[:cntrl:]]/ ? sprintf("\\%03o", $_) : chr($_) } unpack("U*", $_)) } @_;
+sub DIE {
+ print STDERR "# @_\n";
+ exit 1;
}
-
# A somewhat safer version of the sometimes wrong $^X.
my $Perl;
sub which_perl {
unless (defined $Perl) {
$Perl = $^X;
+ # VMS should have 'perl' aliased properly
+ return $Perl if $^O eq 'VMS';
+
my $exe;
eval "require Config; Config->import";
if ($@) {
} else {
$exe = $Config{_exe};
}
+ $exe = '' unless defined $exe;
# This doesn't absolutize the path: beware of future chdirs().
# We could do File::Spec->abs2rel() but that does getcwd()s,
$Perl = File::Spec->catfile(File::Spec->curdir(), $perl);
}
}
-
+
+ # Build up the name of the executable file from the name of
+ # the command.
+
+ if ($Perl !~ /\Q$exe\E$/i) {
+ $Perl .= $exe;
+ }
+
warn "which_perl: cannot find $Perl from $^X" unless -f $Perl;
# For subcommands to use.
return $Perl;
}
+sub unlink_all {
+ foreach my $file (@_) {
+ 1 while unlink $file;
+ print STDERR "# Couldn't unlink '$file': $!\n" if -f $file;
+ }
+}
+
+
+my $tmpfile = "misctmp000";
+1 while -f ++$tmpfile;
+END { unlink_all $tmpfile }
+
+#
+# _fresh_perl
+#
+# The $resolve must be a subref that tests the first argument
+# for success, or returns the definition of success (e.g. the
+# expected scalar) if given no arguments.
+#
+
+sub _fresh_perl {
+ my($prog, $resolve, $runperl_args, $name) = @_;
+
+ $runperl_args ||= {};
+ $runperl_args->{progfile} = $tmpfile;
+ $runperl_args->{stderr} = 1;
+
+ open TEST, ">$tmpfile" or die "Cannot open $tmpfile: $!";
+
+ # VMS adjustments
+ if( $^O eq 'VMS' ) {
+ $prog =~ s#/dev/null#NL:#;
+
+ # VMS file locking
+ $prog =~ s{if \(-e _ and -f _ and -r _\)}
+ {if (-e _ and -f _)}
+ }
+
+ print TEST $prog, "\n";
+ close TEST or die "Cannot close $tmpfile: $!";
+
+ my $results = runperl(%$runperl_args);
+ my $status = $?;
+
+ # Clean up the results into something a bit more predictable.
+ $results =~ s/\n+$//;
+ $results =~ s/at\s+misctmp\d+\s+line/at - line/g;
+ $results =~ s/of\s+misctmp\d+\s+aborted/of - aborted/g;
+
+ # bison says 'parse error' instead of 'syntax error',
+ # various yaccs may or may not capitalize 'syntax'.
+ $results =~ s/^(syntax|parse) error/syntax error/mig;
+
+ if ($^O eq 'VMS') {
+ # some tests will trigger VMS messages that won't be expected
+ $results =~ s/\n?%[A-Z]+-[SIWEF]-[A-Z]+,.*//;
+
+ # pipes double these sometimes
+ $results =~ s/\n\n/\n/g;
+ }
+
+ my $pass = $resolve->($results);
+ unless ($pass) {
+ _diag "# PROG: \n$prog\n";
+ _diag "# EXPECTED:\n", $resolve->(), "\n";
+ _diag "# GOT:\n$results\n";
+ _diag "# STATUS: $status\n";
+ }
+
+ # Use the first line of the program as a name if none was given
+ unless( $name ) {
+ ($first_line, $name) = $prog =~ /^((.{1,50}).*)/;
+ $name .= '...' if length $first_line > length $name;
+ }
+
+ _ok($pass, _where(), "fresh_perl - $name");
+}
+
+#
+# run_perl_is
+#
+# Combination of run_perl() and is().
+#
+
+sub fresh_perl_is {
+ my($prog, $expected, $runperl_args, $name) = @_;
+ local $Level = 2;
+ _fresh_perl($prog,
+ sub { @_ ? $_[0] eq $expected : $expected },
+ $runperl_args, $name);
+}
+
+#
+# run_perl_like
+#
+# Combination of run_perl() and like().
+#
+
+sub fresh_perl_like {
+ my($prog, $expected, $runperl_args, $name) = @_;
+ local $Level = 2;
+ _fresh_perl($prog,
+ sub { @_ ?
+ $_[0] =~ (ref $expected ? $expected : /$expected/) :
+ $expected },
+ $runperl_args, $name);
+}
+
1;