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1 | ## |
2 | # DBM::Deep Test |
3 | ## |
4 | use strict; |
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5 | use Test::More tests => 11; |
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6 | use Test::Exception; |
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7 | use File::Temp qw( tempfile tempdir ); |
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8 | |
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9 | use_ok( 'DBM::Deep' ); |
10 | |
11 | my $dir = tempdir( CLEANUP => 1 ); |
12 | my ($fh, $filename) = tempfile( 'tmpXXXX', UNLINK => 1, DIR => $dir ); |
13 | |
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 | { |
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21 | open(FILE, $filename) || die("Can't open '$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 => *FILE)), "open db in filehandle"); |
28 | ok($db->{hash}->{foo}->[1] eq 'b', "and get at stuff in the database"); |
29 | throws_ok { |
30 | $db->{foo} = 1; |
31 | } qr/Cannot write to a readonly filehandle/, "Can't write to a read-only filehandle"; |
32 | ok( !$db->exists( 'foo' ), "foo doesn't exist" ); |
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33 | |
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34 | my $db_obj = $db->_get_self; |
35 | ok( $db_obj->_root->{inode}, "The inode has been set" ); |
36 | |
37 | close(FILE); |
38 | } |
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39 | |
40 | # now the same, but with an offset into the file. Use the database that's |
41 | # embedded in the test for the DATA filehandle. First, find the database ... |
42 | open(FILE, "t/28_DATA.t") || die("Can't open t/28_DATA.t\n"); |
43 | while(my $line = <FILE>) { |
44 | last if($line =~ /^__DATA__/); |
45 | } |
46 | my $offset = tell(FILE); |
47 | close(FILE); |
48 | |
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49 | { |
50 | open(FILE, "t/28_DATA.t"); |
51 | |
52 | my $db; |
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53 | |
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54 | ok(($db = DBM::Deep->new(fh => *FILE, file_offset => $offset)), "open db in filehandle with offset"); |
55 | |
56 | ok($db->{hash}->{foo}->[1] eq 'b', "and get at stuff in the database"); |
57 | |
58 | ok( !$db->exists( 'foo' ), "foo doesn't exist yet" ); |
59 | throws_ok { |
60 | $db->{foo} = 1; |
61 | } qr/Cannot write to a readonly filehandle/, "Can't write to a read-only filehandle"; |
62 | ok( !$db->exists( 'foo' ), "foo doesn't exist" ); |
63 | |
64 | close FILE; |
65 | } |