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1 | use strict; |
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2 | use warnings FATAL => 'all'; |
3 | |
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4 | # Need to have an explicit plan in order for the sub-testing to work right. |
5 | #XXX Figure out how to use subtests for that. |
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6 | use Test::More tests => 14; |
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7 | use Test::Exception; |
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8 | use t::common qw( new_fh ); |
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9 | |
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10 | use_ok( 'DBM::Deep' ); |
11 | |
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12 | { |
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13 | my ($fh, $filename) = new_fh(); |
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14 | |
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15 | # Create the datafile to be used |
16 | { |
17 | my $db = DBM::Deep->new( $filename ); |
18 | $db->{hash} = { foo => [ 'a' .. 'c' ] }; |
19 | } |
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20 | |
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21 | { |
22 | open(my $fh, '<', $filename) || die("Can't open '$filename' for reading: $!\n"); |
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23 | |
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24 | # test if we can open and read a db using its filehandle |
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25 | |
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26 | my $db; |
27 | ok( ($db = DBM::Deep->new( fh => $fh )), "open db in filehandle" ); |
28 | ok( $db->{hash}{foo}[1] eq 'b', "and get at stuff in the database" ); |
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29 | throws_ok { |
30 | $db->{foo} = 1; |
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31 | } qr/Cannot write to a readonly filehandle/, "Can't write to a read-only filehandle"; |
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32 | ok( !$db->exists( 'foo' ), "foo doesn't exist" ); |
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33 | |
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34 | SKIP: { |
35 | skip( "No inode tests on Win32", 1 ) |
36 | if ( $^O eq 'MSWin32' || $^O eq 'cygwin' ); |
37 | my $db_obj = $db->_get_self; |
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38 | ok( $db_obj->_engine->storage->{inode}, "The inode has been set" ); |
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39 | } |
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40 | |
41 | close($fh); |
42 | } |
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43 | } |
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44 | |
45 | # now the same, but with an offset into the file. Use the database that's |
46 | # embedded in the test for the DATA filehandle. First, find the database ... |
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47 | { |
48 | my ($fh,$filename) = new_fh(); |
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49 | |
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50 | print $fh "#!$^X\n"; |
51 | print $fh <<'__END_FH__'; |
52 | use strict; |
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53 | use Test::More 'no_plan'; |
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54 | Test::More->builder->no_ending(1); |
55 | Test::More->builder->{Curr_Test} = 12; |
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56 | |
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57 | use_ok( 'DBM::Deep' ); |
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58 | |
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59 | my $db = DBM::Deep->new({ |
60 | fh => *DATA, |
61 | }); |
62 | is($db->{x}, 'b', "and get at stuff in the database"); |
63 | __END_FH__ |
64 | print $fh "__DATA__\n"; |
65 | close $fh; |
66 | |
67 | my $offset = do { |
68 | open my $fh, '<', $filename; |
69 | while(my $line = <$fh>) { |
70 | last if($line =~ /^__DATA__/); |
71 | } |
72 | tell($fh); |
73 | }; |
74 | |
75 | { |
76 | my $db = DBM::Deep->new({ |
77 | file => $filename, |
78 | file_offset => $offset, |
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79 | #XXX For some reason, this is needed to make the test pass. Figure |
80 | #XXX out why later. |
81 | locking => 0, |
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82 | }); |
83 | |
84 | $db->{x} = 'b'; |
85 | is( $db->{x}, 'b', 'and it was stored' ); |
86 | } |
87 | |
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88 | { |
89 | open my $fh, '<', $filename; |
90 | my $db = DBM::Deep->new({ |
91 | fh => $fh, |
92 | file_offset => $offset, |
93 | }); |
94 | |
95 | is($db->{x}, 'b', "and get at stuff in the database"); |
96 | |
97 | ok( !$db->exists( 'foo' ), "foo doesn't exist yet" ); |
98 | throws_ok { |
99 | $db->{foo} = 1; |
100 | } qr/Cannot write to a readonly filehandle/, "Can't write to a read-only filehandle"; |
101 | ok( !$db->exists( 'foo' ), "foo still doesn't exist" ); |
102 | |
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103 | is( $db->{x}, 'b' ); |
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104 | } |
105 | |
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106 | exec( "$^X -Iblib/lib $filename" ); |
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107 | } |