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1 | use strict; |
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2 | use warnings; |
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3 | |
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4 | use Test::More; |
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5 | use lib qw(t/lib); |
6 | use DBICTest; |
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7 | my $schema = DBICTest->init_schema(); |
8 | |
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9 | # Under some versions of SQLite if the $rs is left hanging around it will lock |
10 | # So we create a scope here cos I'm lazy |
11 | { |
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12 | my $rs = $schema->resultset('CD')->search ({}, { |
13 | order_by => 'cdid', |
14 | # use the hashref inflator class as result class |
15 | result_class => 'DBIx::Class::ResultClass::HashRefInflator', |
16 | }); |
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17 | |
18 | # get the defined columns |
19 | my @dbic_cols = sort $rs->result_source->columns; |
20 | |
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21 | # fetch first record |
22 | my $datahashref1 = $rs->first; |
23 | |
24 | my @hashref_cols = sort keys %$datahashref1; |
25 | |
26 | is_deeply( \@dbic_cols, \@hashref_cols, 'returned columns' ); |
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27 | |
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28 | my $cd1 = $rs->find ({cdid => 1}); |
29 | is_deeply ( $cd1, $datahashref1, 'first/find return the same thing'); |
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30 | |
31 | my $cd2 = $rs->search({ cdid => 1 })->single; |
32 | is_deeply ( $cd2, $datahashref1, 'first/search+single return the same thing'); |
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33 | |
34 | $rs->result_class('DBIx::Class::Row'); |
35 | |
36 | is( $rs->result_class, 'DBIx::Class::Row', 'result_class set' ); |
37 | |
38 | is( |
39 | $rs->search->result_class, 'DBIx::Class::ResultClass::HashRefInflator', |
40 | 'result_class set using accessor does not propagate over search' |
41 | ); |
42 | |
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43 | } |
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44 | |
45 | sub check_cols_of { |
46 | my ($dbic_obj, $datahashref) = @_; |
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47 | |
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48 | foreach my $col (keys %$datahashref) { |
49 | # plain column |
50 | if (not ref ($datahashref->{$col}) ) { |
51 | is ($datahashref->{$col}, $dbic_obj->get_column($col), 'same value'); |
52 | } |
53 | # related table entry (belongs_to) |
54 | elsif (ref ($datahashref->{$col}) eq 'HASH') { |
55 | check_cols_of($dbic_obj->$col, $datahashref->{$col}); |
56 | } |
57 | # multiple related entries (has_many) |
58 | elsif (ref ($datahashref->{$col}) eq 'ARRAY') { |
59 | my @dbic_reltable = $dbic_obj->$col; |
60 | my @hashref_reltable = @{$datahashref->{$col}}; |
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61 | |
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62 | is (scalar @dbic_reltable, scalar @hashref_reltable, 'number of related entries'); |
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63 | |
64 | # for my $index (0..scalar @hashref_reltable) { |
65 | for my $index (0..scalar @dbic_reltable) { |
66 | my $dbic_reltable_obj = $dbic_reltable[$index]; |
67 | my $hashref_reltable_entry = $hashref_reltable[$index]; |
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68 | |
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69 | check_cols_of($dbic_reltable_obj, $hashref_reltable_entry); |
70 | } |
71 | } |
72 | } |
73 | } |
74 | |
75 | # create a cd without tracks for testing empty has_many relationship |
76 | $schema->resultset('CD')->create({ title => 'Silence is golden', artist => 3, year => 2006 }); |
77 | |
78 | # order_by to ensure both resultsets have the rows in the same order |
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79 | # also check result_class-as-an-attribute syntax |
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80 | my $rs_dbic = $schema->resultset('CD')->search(undef, |
81 | { |
82 | prefetch => [ qw/ artist tracks / ], |
83 | order_by => [ 'me.cdid', 'tracks.position' ], |
84 | } |
85 | ); |
86 | my $rs_hashrefinf = $schema->resultset('CD')->search(undef, |
87 | { |
88 | prefetch => [ qw/ artist tracks / ], |
89 | order_by => [ 'me.cdid', 'tracks.position' ], |
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90 | result_class => 'DBIx::Class::ResultClass::HashRefInflator', |
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91 | } |
92 | ); |
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93 | |
94 | my @dbic = $rs_dbic->all; |
95 | my @hashrefinf = $rs_hashrefinf->all; |
96 | |
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97 | for my $index (0 .. $#hashrefinf) { |
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98 | my $dbic_obj = $dbic[$index]; |
99 | my $datahashref = $hashrefinf[$index]; |
100 | |
101 | check_cols_of($dbic_obj, $datahashref); |
102 | } |
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103 | |
104 | # sometimes for ultra-mega-speed you want to fetch columns in esoteric ways |
105 | # check the inflator over a non-fetching join |
106 | $rs_dbic = $schema->resultset ('Artist')->search ({ 'me.artistid' => 1}, { |
107 | prefetch => { cds => 'tracks' }, |
108 | order_by => [qw/cds.cdid tracks.trackid/], |
109 | }); |
110 | |
111 | $rs_hashrefinf = $schema->resultset ('Artist')->search ({ 'me.artistid' => 1}, { |
112 | join => { cds => 'tracks' }, |
113 | select => [qw/name tracks.title tracks.cd /], |
114 | as => [qw/name cds.tracks.title cds.tracks.cd /], |
115 | order_by => [qw/cds.cdid tracks.trackid/], |
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116 | result_class => 'DBIx::Class::ResultClass::HashRefInflator', |
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117 | }); |
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118 | |
119 | @dbic = map { $_->tracks->all } ($rs_dbic->first->cds->all); |
120 | @hashrefinf = $rs_hashrefinf->all; |
121 | |
122 | is (scalar @dbic, scalar @hashrefinf, 'Equal number of tracks fetched'); |
123 | |
124 | for my $index (0 .. $#hashrefinf) { |
125 | my $track = $dbic[$index]; |
126 | my $datahashref = $hashrefinf[$index]; |
127 | |
128 | is ($track->cd->artist->name, $datahashref->{name}, 'Brought back correct artist'); |
129 | for my $col (keys %{$datahashref->{cds}{tracks}}) { |
130 | is ($track->get_column ($col), $datahashref->{cds}{tracks}{$col}, "Correct track '$col'"); |
131 | } |
132 | } |
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133 | |
134 | # check for same query as above but using extended columns syntax |
135 | $rs_hashrefinf = $schema->resultset ('Artist')->search ({ 'me.artistid' => 1}, { |
136 | join => { cds => 'tracks' }, |
137 | columns => {name => 'name', 'cds.tracks.title' => 'tracks.title', 'cds.tracks.cd' => 'tracks.cd'}, |
138 | order_by => [qw/cds.cdid tracks.trackid/], |
139 | }); |
140 | $rs_hashrefinf->result_class('DBIx::Class::ResultClass::HashRefInflator'); |
141 | is_deeply [$rs_hashrefinf->all], \@hashrefinf, 'Check query using extended columns syntax'; |
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142 | |
143 | # check nested prefetching of has_many relationships which return nothing |
144 | my $artist = $schema->resultset ('Artist')->create ({ name => 'unsuccessful artist without CDs'}); |
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145 | $artist->discard_changes; |
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146 | my $rs_artists = $schema->resultset ('Artist')->search ({ 'me.artistid' => $artist->id}, { |
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147 | prefetch => { cds => 'tracks' }, result_class => 'DBIx::Class::ResultClass::HashRefInflator', |
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148 | }); |
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149 | is_deeply( |
150 | [$rs_artists->all], |
151 | [{ $artist->get_columns, cds => [] }], |
152 | 'nested has_many prefetch without entries' |
153 | ); |
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154 | |
155 | done_testing; |
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156 | |