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package Test::Import; |
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{ |
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$Test::Import::VERSION = '0.004'; |
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} |
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# ABSTRACT: Test functions to ensure modules import things |
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13581
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use strict; |
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use warnings; |
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use base 'Test::Builder::Module'; |
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use Test::More; |
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use Capture::Tiny qw( capture_merged ); |
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38775
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our @EXPORT_OK = qw( :all does_import_strict does_import_warnings does_import_sub does_import_class ); |
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our %EXPORT_TAGS = ( |
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'all' => [ grep { !/^:/ } @EXPORT_OK ], # All is everything except tags |
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); |
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## no critic ( ProhibitSubroutinePrototypes ) |
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sub does_import_strict($) { |
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0
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my ( $module ) = @_; |
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0
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my $tb = __PACKAGE__->builder; |
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return $tb->subtest( "$module imports strict" => sub { |
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# disable strict so module has to explicitly re-enable it |
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# pragmas cannot be hidden by a package statement, but some |
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# modules may try to muck around with the calling package, |
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# so hide ourselves from those evil import statements |
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## no critic ( ProhibitStringyEval ProhibitNoStrict ) |
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no strict; |
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1
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168
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eval qq{package ${module}::strict; use $module; } . q{@m = ( "one" );}; |
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ok $@, 'code that fails strict dies'; |
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like $@, qr{explicit package name}, 'dies with the right error message'; |
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0
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} ); |
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} |
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sub does_import_warnings($) { |
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0
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0
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my ( $module ) = @_; |
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0
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my $tb = __PACKAGE__->builder; |
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return $tb->subtest( "$module imports warnings" => sub { |
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# disable warnings so module has to explicitly re-enable it |
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# pragmas cannot be hidden by a package statement, but some |
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# modules may try to muck around with the calling package, |
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# so hide ourselves from those evil import statements |
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## no critic ( ProhibitStringyEval ProhibitNoWarnings ) |
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1
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no warnings; |
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1
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3
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1
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702
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0
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my @warnings; |
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0
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local $SIG{__WARN__} = sub { push @warnings, @_ }; |
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eval qq{package ${module}::warnings; use $module;} . q{my $foo = "one" . undef;}; |
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0
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is scalar @warnings, 1, 'got the one warning we expected'; |
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like $warnings[0], qr/uninitialized/, 'we forced an uninitialized warning'; |
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0
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} ); |
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} |
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55
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56
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sub does_import_sub($$$) { |
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0
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0
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1
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my ( $module, $imported_module, $imported_sub ) = @_; |
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0
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my $tb = __PACKAGE__->builder; |
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return $tb->subtest( "$module imports $imported_module sub $imported_sub" => sub { |
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## no critic ( ProhibitStringyEval ) |
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0
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0
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ok eval "package ${module}::${imported_module}; use $module; return __PACKAGE__->can('$imported_sub')", |
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'eval succeeded and expected sub was imported'; |
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## no critic ( ProhibitMixedBooleanOperators ) |
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0
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0
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ok !$@, 'eval did not throw an error' or diag $@; |
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0
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} ); |
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} |
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68
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69
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sub does_import_class($$) { |
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0
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0
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1
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my ( $module, $imported_class ) = @_; |
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0
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my $tb = __PACKAGE__->builder; |
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return $tb->subtest( "$module imports $imported_class" => sub { |
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# Do the module name to file path dance! |
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0
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0
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my $imported_path = $imported_class; |
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0
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$imported_path =~ s{::}{/}g; |
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0
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$imported_path .= '.pm'; |
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78
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# Pretend the module has not been loaded |
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0
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delete local $INC{$imported_path}; # delete local added in 5.12.0 |
80
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81
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# Capture to hide the warnings about subroutines redefined |
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# Doing 'no warnings qw(redefine)" does not work if the module we're loading |
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# also imports warnings |
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my ( $output, $retval ) = capture_merged { |
85
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## no critic ( ProhibitStringyEval ) |
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0
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return eval "package ${module}::${imported_class}; use $module; return exists \$INC{'$imported_path'}"; |
87
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0
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}; |
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0
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0
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ok $retval, 'eval succeeded and expected path exists in %INC' or diag $output; |
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## no critic ( ProhibitMixedBooleanOperators ) |
90
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0
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0
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ok !$@, 'eval did not throw an error' or diag $@; |
91
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0
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} ); |
92
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} |
93
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94
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1; |
95
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96
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__END__ |