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