20_cpanplus-dist-mm.t

source of perl for linux application,

            ok( $InstMod->uninstall,"Uninstalling module" );
        }
    }
}

### test exceptions in Dist::MM->create ###
{   ok( $Mod->status->mk_flush, "Old status info flushed" );
    my $dist = CPANPLUS::Dist->new( module => $Mod,
                                    format => INSTALLER_MM );

    ok( $dist,                  "New dist object made" );
    ok(!$dist->prepare,         "   Dist->prepare failed" );
    like( CPANPLUS::Error->stack_as_string, qr/No dir found to operate on/,
                                "       Failure logged" );

    ### manually set the extract dir,
    $Mod->status->extract($0);

    ok(!$dist->create,          "   Dist->create failed" );
    like( CPANPLUS::Error->stack_as_string, qr/not successfully prepared/s,
                                "       Failure logged" );

    ### pretend we've been prepared ###
    $dist->status->prepared(1);

    ok(!$dist->create,          "   Dist->create failed" );
    like( CPANPLUS::Error->stack_as_string, qr/Could not chdir/s,
                                "       Failure logged" );
}

### writemakefile.pl tests ###
{   ### remove old status info
    ok( $Mod->status->mk_flush, "Old status info flushed" );
    ok( $Mod->fetch,            "Module fetched again" );
    ok( $Mod->extract,          "Module extracted again" );

    ### cheat and add fake prereqs ###
    my $prereq = TEST_CONF_PREREQ;

    $Mod->status->prereqs( { $prereq => 0 } );

    my $makefile_pl = MAKEFILE_PL->( $Mod->status->extract );
    my $makefile    = MAKEFILE->(    $Mod->status->extract );

    my $dist        = $Mod->dist;
    ok( $dist,                  "Dist object built" );

    ### check for a makefile.pl and 'write' one
    ok( -s $makefile_pl,        "   Makefile.PL present" );
    ok( $dist->write_makefile_pl( force => 0 ),
                                "   Makefile.PL written" );
    like( CPANPLUS::Error->stack_as_string, qr/Already created/,
                                "   Prior existance noted" );

    ### ok, unlink the makefile.pl, now really write one
    1 while unlink $makefile;

    ### must do '1 while' for VMS
    {   my $unlink_sts = unlink($makefile_pl);
        1 while unlink $makefile_pl;
        ok( $unlink_sts,        "Deleting Makefile.PL");
    }

    ok( !-s $makefile_pl,       "   Makefile.PL deleted" );
    ok( !-s $makefile,          "   Makefile deleted" );
    ok($dist->write_makefile_pl,"   Makefile.PL written" );

    ### see if we wrote anything sensible
    my $fh = OPEN_FILE->( $makefile_pl );
    ok( $fh,                    "Makefile.PL open for read" );

    my $str = do { local $/; <$fh> };
    like( $str, qr/### Auto-generated .+ by CPANPLUS ###/,
                                "   Autogeneration noted" );
    like( $str, '/'. $Mod->module .'/',
                                "   Contains module name" );
    like( $str, '/'. quotemeta($Mod->version) . '/',
                                "   Contains version" );
    like( $str, '/'. $Mod->author->author .'/',
                                "   Contains author" );
    like( $str, '/PREREQ_PM/',  "   Contains prereqs" );
    like( $str, qr/$prereq.+0/, "   Contains prereqs" );

    close $fh;

    ### seems ok, now delete it again and go via install()
    ### to see if it picks up on the missing makefile.pl and
    ### does the right thing
    ### must do '1 while' for VMS
    {   my $unlink_sts = unlink($makefile_pl);
        1 while unlink $makefile_pl;
        ok( $unlink_sts,        "Deleting Makefile.PL");
    }    
    ok( !-s $makefile_pl,       "   Makefile.PL deleted" );
    ok( $dist->status->mk_flush,"Dist status flushed" );
    ok( $dist->prepare,         "   Dist->prepare run again" );
    ok( $dist->create,          "   Dist->create run again" );
    ok( -s $makefile_pl,        "   Makefile.PL present" );
    like( CPANPLUS::Error->stack_as_string,
          qr/attempting to generate one/,
                                "   Makefile.PL generation attempt logged" );

    ### now let's throw away the makefile.pl, flush the status and not
    ### write a makefile.pl
    {   local $^W;
        local *CPANPLUS::Dist::MM::write_makefile_pl = sub { 1 };

        1 while unlink $makefile_pl;
        1 while unlink $makefile;

        ok(!-s $makefile_pl,        "Makefile.PL deleted" );
        ok(!-s $makefile,           "Makefile deleted" );
        ok( $dist->status->mk_flush,"Dist status flushed" );
        ok(!$dist->prepare,         "   Dist->prepare failed" );
        like( CPANPLUS::Error->stack_as_string,
              qr/Could not find 'Makefile.PL'/i,
                                    "   Missing Makefile.PL noted" );
        is( $dist->status->makefile, 0,
                                    "   Did not manage to create Makefile" );
    }

    ### now let's write a makefile.pl that just does 'die'
    {   local $^W;
        local *CPANPLUS::Dist::MM::write_makefile_pl = 
            __PACKAGE__->_custom_makefile_pl_sub( "exit 1;" );

        ### there's no makefile.pl now, since the previous test failed
        ### to create one
        #ok( -e $makefile_pl,        "Makefile.PL exists" );
        #ok( unlink($makefile_pl),   "   Deleting Makefile.PL");
        ok(!-s $makefile_pl,        "Makefile.PL deleted" );
        ok( $dist->status->mk_flush,"Dist status flushed" );
        ok(!$dist->prepare,         "   Dist->prepare failed" );
        like( CPANPLUS::Error->stack_as_string, qr/Could not run/s,
                                    "   Logged failed 'perl Makefile.PL'" );
        is( $dist->status->makefile, 0,
                                    "   Did not manage to create Makefile" );
    }

    ### clean up afterwards ###
    ### must do '1 while' for VMS
    {   my $unlink_sts = unlink($makefile_pl);
        1 while unlink $makefile_pl;
        ok( $unlink_sts,        "Deleting Makefile.PL");
    }   
    
    $dist->status->mk_flush;
}

### test ENV setting in Makefile.PL
{   ### use print() not die() -- we're redirecting STDERR in tests!
    my $env     = ENV_CPANPLUS_IS_EXECUTING;
    my $sub     = __PACKAGE__->_custom_makefile_pl_sub(
                                    "print qq[ENV=\$ENV{$env}\n]; exit 1;" );
    
    my $clone   = $Mod->clone;
    $clone->status->fetch( $Mod->status->fetch );
    
    ok( $clone,                 'Testing ENV settings $dist->prepare' );
    ok( $clone->extract,        '   Files extracted' );
    ok( $clone->prepare,        '   $mod->prepare worked first time' );
    
    my $dist        = $clone->status->dist;
    my $makefile_pl = MAKEFILE_PL->( $clone->status->extract );

    ok( $sub->($dist),          "   Custom Makefile.PL written" );
    ok( -e $makefile_pl,        "       File exists" );

    ### clear errors    
    CPANPLUS::Error->flush;

    my $rv = $dist->prepare( force => 1, verbose => 0 );
    ok( !$rv,                   '   $dist->prepare failed' );

    SKIP: {
        skip( "Can't test ENV{$env} -- no buffers available", 1 )
            unless IPC::Cmd->can_capture_buffer;

        my $re = quotemeta( $makefile_pl );
        like( CPANPLUS::Error->stack_as_string, qr/ENV=$re/,
                                "   \$ENV $env set correctly during execution");
    }

    ### and the ENV var should no longer be set now
    ok( !$ENV{$env},            "   ENV var now unset" );
}    

sub _custom_makefile_pl_sub {
    my $pkg = shift;
    my $txt = shift or return;
    
    return sub {
        my $dist = shift; 
        my $self = $dist->parent;
        my $fh   = OPEN_FILE->(
                    MAKEFILE_PL->($self->status->extract), '>' );
        print $fh $txt;
        close $fh;
    
        return 1;
    }
}


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