| 1 | #!perl -w |
| 2 | |
| 3 | BEGIN { |
| 4 | if( $ENV{PERL_CORE} ) { |
| 5 | chdir 't' if -d 't'; |
| 6 | @INC = '../lib'; |
| 7 | } |
| 8 | } |
| 9 | |
| 10 | # Can't use Test::Simple/More, they depend on Exporter. |
| 11 | my $test = 1; |
| 12 | sub ok ($;$) { |
| 13 | my($ok, $name) = @_; |
| 14 | |
| 15 | # You have to do it this way or VMS will get confused. |
| 16 | printf "%sok %d%s\n", ($ok ? '' : 'not '), $test, |
| 17 | (defined $name ? " - $name" : ''); |
| 18 | |
| 19 | printf "# Failed test at line %d\n", (caller)[2] unless $ok; |
| 20 | |
| 21 | $test++; |
| 22 | return $ok; |
| 23 | } |
| 24 | |
| 25 | |
| 26 | print "1..28\n"; |
| 27 | require Exporter; |
| 28 | ok( 1, 'Exporter compiled' ); |
| 29 | |
| 30 | |
| 31 | BEGIN { |
| 32 | # Methods which Exporter says it implements. |
| 33 | @Exporter_Methods = qw(import |
| 34 | export_to_level |
| 35 | require_version |
| 36 | export_fail |
| 37 | ); |
| 38 | } |
| 39 | |
| 40 | |
| 41 | package Testing; |
| 42 | require Exporter; |
| 43 | @ISA = qw(Exporter); |
| 44 | |
| 45 | # Make sure Testing can do everything its supposed to. |
| 46 | foreach my $meth (@::Exporter_Methods) { |
| 47 | ::ok( Testing->can($meth), "subclass can $meth()" ); |
| 48 | } |
| 49 | |
| 50 | %EXPORT_TAGS = ( |
| 51 | This => [qw(stuff %left)], |
| 52 | That => [qw(Above the @wailing)], |
| 53 | tray => [qw(Fasten $seatbelt)], |
| 54 | ); |
| 55 | @EXPORT = qw(lifejacket is); |
| 56 | @EXPORT_OK = qw(under &your $seat); |
| 57 | $VERSION = '1.05'; |
| 58 | |
| 59 | ::ok( Testing->require_version(1.05), 'require_version()' ); |
| 60 | eval { Testing->require_version(1.11); 1 }; |
| 61 | ::ok( $@, 'require_version() fail' ); |
| 62 | ::ok( Testing->require_version(0), 'require_version(0)' ); |
| 63 | |
| 64 | sub lifejacket { 'lifejacket' } |
| 65 | sub stuff { 'stuff' } |
| 66 | sub Above { 'Above' } |
| 67 | sub the { 'the' } |
| 68 | sub Fasten { 'Fasten' } |
| 69 | sub your { 'your' } |
| 70 | sub under { 'under' } |
| 71 | use vars qw($seatbelt $seat @wailing %left); |
| 72 | $seatbelt = 'seatbelt'; |
| 73 | $seat = 'seat'; |
| 74 | @wailing = qw(AHHHHHH); |
| 75 | %left = ( left => "right" ); |
| 76 | |
| 77 | BEGIN {*is = \&Is}; |
| 78 | sub Is { 'Is' }; |
| 79 | |
| 80 | Exporter::export_ok_tags(); |
| 81 | |
| 82 | my %tags = map { $_ => 1 } map { @$_ } values %EXPORT_TAGS; |
| 83 | my %exportok = map { $_ => 1 } @EXPORT_OK; |
| 84 | my $ok = 1; |
| 85 | foreach my $tag (keys %tags) { |
| 86 | $ok = exists $exportok{$tag}; |
| 87 | } |
| 88 | ::ok( $ok, 'export_ok_tags()' ); |
| 89 | |
| 90 | |
| 91 | package Foo; |
| 92 | Testing->import; |
| 93 | |
| 94 | ::ok( defined &lifejacket, 'simple import' ); |
| 95 | |
| 96 | my $got = eval {&lifejacket}; |
| 97 | ::ok ( $@ eq "", 'check we can call the imported subroutine') |
| 98 | or print STDERR "# \$\@ is $@\n"; |
| 99 | ::ok ( $got eq 'lifejacket', 'and that it gave the correct result') |
| 100 | or print STDERR "# expected 'lifejacket', got " . |
| 101 | (defined $got ? "'$got'" : "undef") . "\n"; |
| 102 | |
| 103 | # The string eval is important. It stops $Foo::{is} existing when |
| 104 | # Testing->import is called. |
| 105 | ::ok( eval "defined &is", |
| 106 | "Import a subroutine where exporter must create the typeglob" ); |
| 107 | $got = eval "&is"; |
| 108 | ::ok ( $@ eq "", 'check we can call the imported autoloaded subroutine') |
| 109 | or chomp ($@), print STDERR "# \$\@ is $@\n"; |
| 110 | ::ok ( $got eq 'Is', 'and that it gave the correct result') |
| 111 | or print STDERR "# expected 'Is', got " . |
| 112 | (defined $got ? "'$got'" : "undef") . "\n"; |
| 113 | |
| 114 | |
| 115 | package Bar; |
| 116 | my @imports = qw($seatbelt &Above stuff @wailing %left); |
| 117 | Testing->import(@imports); |
| 118 | |
| 119 | ::ok( (!grep { eval "!defined $_" } map({ /^\w/ ? "&$_" : $_ } @imports)), |
| 120 | 'import by symbols' ); |
| 121 | |
| 122 | |
| 123 | package Yar; |
| 124 | my @tags = qw(:This :tray); |
| 125 | Testing->import(@tags); |
| 126 | |
| 127 | ::ok( (!grep { eval "!defined $_" } map { /^\w/ ? "&$_" : $_ } |
| 128 | map { @$_ } @{$Testing::EXPORT_TAGS{@tags}}), |
| 129 | 'import by tags' ); |
| 130 | |
| 131 | |
| 132 | package Arrr; |
| 133 | Testing->import(qw(!lifejacket)); |
| 134 | |
| 135 | ::ok( !defined &lifejacket, 'deny import by !' ); |
| 136 | |
| 137 | |
| 138 | package Mars; |
| 139 | Testing->import('/e/'); |
| 140 | |
| 141 | ::ok( (!grep { eval "!defined $_" } map { /^\w/ ? "&$_" : $_ } |
| 142 | grep { /e/ } @Testing::EXPORT, @Testing::EXPORT_OK), |
| 143 | 'import by regex'); |
| 144 | |
| 145 | |
| 146 | package Venus; |
| 147 | Testing->import('!/e/'); |
| 148 | |
| 149 | ::ok( (!grep { eval "defined $_" } map { /^\w/ ? "&$_" : $_ } |
| 150 | grep { /e/ } @Testing::EXPORT, @Testing::EXPORT_OK), |
| 151 | 'deny import by regex'); |
| 152 | ::ok( !defined &lifejacket, 'further denial' ); |
| 153 | |
| 154 | |
| 155 | package More::Testing; |
| 156 | @ISA = qw(Exporter); |
| 157 | $VERSION = 0; |
| 158 | eval { More::Testing->require_version(0); 1 }; |
| 159 | ::ok(!$@, 'require_version(0) and $VERSION = 0'); |
| 160 | |
| 161 | |
| 162 | package Yet::More::Testing; |
| 163 | @ISA = qw(Exporter); |
| 164 | $VERSION = 0; |
| 165 | eval { Yet::More::Testing->require_version(10); 1 }; |
| 166 | ::ok($@ !~ /\(undef\)/, 'require_version(10) and $VERSION = 0'); |
| 167 | |
| 168 | |
| 169 | my $warnings; |
| 170 | BEGIN { |
| 171 | $SIG{__WARN__} = sub { $warnings = join '', @_ }; |
| 172 | package Testing::Unused::Vars; |
| 173 | @ISA = qw(Exporter); |
| 174 | @EXPORT = qw(this $TODO that); |
| 175 | |
| 176 | package Foo; |
| 177 | Testing::Unused::Vars->import; |
| 178 | } |
| 179 | |
| 180 | ::ok( !$warnings, 'Unused variables can be exported without warning' ) || |
| 181 | print "# $warnings\n"; |
| 182 | |
| 183 | package Moving::Target; |
| 184 | @ISA = qw(Exporter); |
| 185 | @EXPORT_OK = qw (foo); |
| 186 | |
| 187 | sub foo {"This is foo"}; |
| 188 | sub bar {"This is bar"}; |
| 189 | |
| 190 | package Moving::Target::Test; |
| 191 | |
| 192 | Moving::Target->import ('foo'); |
| 193 | |
| 194 | ::ok (foo() eq "This is foo", "imported foo before EXPORT_OK changed"); |
| 195 | |
| 196 | push @Moving::Target::EXPORT_OK, 'bar'; |
| 197 | |
| 198 | Moving::Target->import ('bar'); |
| 199 | |
| 200 | ::ok (bar() eq "This is bar", "imported bar after EXPORT_OK changed"); |
| 201 | |
| 202 | package The::Import; |
| 203 | |
| 204 | use Exporter 'import'; |
| 205 | |
| 206 | eval { import() }; |
| 207 | ::ok(\&import == \&Exporter::import, "imported the import routine"); |
| 208 | |
| 209 | @EXPORT = qw( wibble ); |
| 210 | sub wibble {return "wobble"}; |
| 211 | |
| 212 | package Use::The::Import; |
| 213 | |
| 214 | The::Import->import; |
| 215 | |
| 216 | my $val = eval { wibble() }; |
| 217 | ::ok($val eq "wobble", "exported importer worked"); |
| 218 | |