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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 | my $db; |
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24 | |
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25 | # test if we can open and read a db using its filehandle |
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26 | |
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27 | ok(($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"); |
29 | throws_ok { |
30 | $db->{foo} = 1; |
31 | } qr/Cannot write to a readonly filehandle/, |
32 | "Can't write to a read-only filehandle"; |
33 | ok( !$db->exists( 'foo' ), "foo doesn't exist" ); |
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34 | |
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35 | my $db_obj = $db->_get_self; |
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36 | ok( $db_obj->_storage->{inode}, "The inode has been set" ); |
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37 | |
38 | close($fh); |
39 | } |
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40 | } |
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41 | |
42 | # now the same, but with an offset into the file. Use the database that's |
43 | # embedded in the test for the DATA filehandle. First, find the database ... |
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44 | { |
45 | my ($fh,$filename) = new_fh(); |
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46 | |
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47 | print $fh "#!$^X\n"; |
48 | print $fh <<'__END_FH__'; |
49 | use strict; |
50 | use Test::More no_plan => 1; |
51 | Test::More->builder->no_ending(1); |
52 | Test::More->builder->{Curr_Test} = 12; |
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53 | |
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54 | use_ok( 'DBM::Deep' ); |
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55 | |
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56 | my $db = DBM::Deep->new({ |
57 | fh => *DATA, |
58 | }); |
59 | is($db->{x}, 'b', "and get at stuff in the database"); |
60 | __END_FH__ |
61 | print $fh "__DATA__\n"; |
62 | close $fh; |
63 | |
64 | my $offset = do { |
65 | open my $fh, '<', $filename; |
66 | while(my $line = <$fh>) { |
67 | last if($line =~ /^__DATA__/); |
68 | } |
69 | tell($fh); |
70 | }; |
71 | |
72 | { |
73 | my $db = DBM::Deep->new({ |
74 | file => $filename, |
75 | file_offset => $offset, |
76 | }); |
77 | |
78 | $db->{x} = 'b'; |
79 | is( $db->{x}, 'b', 'and it was stored' ); |
80 | } |
81 | |
82 | |
83 | { |
84 | open my $fh, '<', $filename; |
85 | my $db = DBM::Deep->new({ |
86 | fh => $fh, |
87 | file_offset => $offset, |
88 | }); |
89 | |
90 | is($db->{x}, 'b', "and get at stuff in the database"); |
91 | |
92 | ok( !$db->exists( 'foo' ), "foo doesn't exist yet" ); |
93 | throws_ok { |
94 | $db->{foo} = 1; |
95 | } qr/Cannot write to a readonly filehandle/, "Can't write to a read-only filehandle"; |
96 | ok( !$db->exists( 'foo' ), "foo still doesn't exist" ); |
97 | |
98 | is( $db->{x}, 'b' ); |
99 | } |
100 | |
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101 | exec( "$^X -Iblib/lib $filename" ); |
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102 | } |