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1 | use strict; |
2 | use warnings; |
3 | |
4 | use Test::More; |
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5 | use Test::Warn; |
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6 | use Test::Exception; |
7 | use lib qw(t/lib); |
8 | use DBICTest; |
9 | |
10 | my $schema = DBICTest->init_schema(); |
11 | |
12 | my $rs = $schema->resultset('Artist')->search({}, { |
13 | select => 'artistid', |
14 | prefetch => { cds => 'tracks' }, |
15 | }); |
16 | |
17 | my $initial_artists_cnt = $rs->count; |
18 | |
19 | # create one extra artist with just one cd with just one track |
20 | # and then an artist with nothing at all |
21 | # the implicit order by me.artistid will get them back in correct order |
22 | $rs->create({ |
23 | name => 'foo', |
24 | cds => [{ |
25 | year => 2012, |
26 | title => 'foocd', |
27 | tracks => [{ |
28 | title => 'footrack', |
29 | }] |
30 | }], |
31 | }); |
32 | $rs->create({ name => 'bar' }); |
33 | $rs->create({ name => 'baz' }); |
34 | |
35 | # make sure we are reentrant, and also check with explicit order_by |
36 | for (undef, undef, 'me.artistid') { |
37 | $rs = $rs->search({}, { order_by => $_ }) if $_; |
38 | |
39 | for (1 .. $initial_artists_cnt) { |
40 | is ($rs->next->artistid, $_, 'Default fixture artists in order') || exit; |
41 | } |
42 | |
43 | my $foo_artist = $rs->next; |
44 | is ($foo_artist->cds->next->tracks->next->title, 'footrack', 'Right track'); |
45 | |
46 | is ( |
47 | [$rs->cursor->next]->[0], |
48 | $initial_artists_cnt + 3, |
49 | 'Very last artist still on the cursor' |
50 | ); |
51 | |
52 | is_deeply ([$rs->cursor->next], [], 'Nothing else left'); |
53 | |
54 | is ($rs->next->artistid, $initial_artists_cnt + 2, 'Row stashed in resultset still accessible'); |
55 | is ($rs->next, undef, 'Nothing left in resultset either'); |
56 | |
57 | $rs->reset; |
58 | } |
59 | |
60 | $rs->next; |
61 | |
62 | my @objs = $rs->all; |
63 | is (@objs, $initial_artists_cnt + 3, '->all resets everything correctly'); |
64 | is ( ($rs->cursor->next)[0], 1, 'Cursor auto-rewound after all()'); |
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65 | is ($rs->{_stashed_rows}, undef, 'Nothing else left in $rs stash'); |
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66 | |
67 | my $unordered_rs = $rs->search({}, { order_by => 'cds.title' }); |
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68 | |
69 | warnings_exist { |
70 | ok ($unordered_rs->next, 'got row 1'); |
71 | } qr/performed an eager cursor slurp underneath/, 'Warned on auto-eager cursor'; |
72 | |
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73 | is_deeply ([$unordered_rs->cursor->next], [], 'Nothing left on cursor, eager slurp'); |
74 | ok ($unordered_rs->next, "got row $_") for (2 .. $initial_artists_cnt + 3); |
75 | is ($unordered_rs->next, undef, 'End of RS reached'); |
76 | is ($unordered_rs->next, undef, 'End of RS not lost'); |
77 | |
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78 | { |
79 | my $non_uniquely_ordered_constrained = $schema->resultset('CD')->search( |
80 | { artist => 1 }, |
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81 | { order_by => [qw( me.genreid me.title me.year )], prefetch => 'tracks' }, |
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82 | ); |
83 | |
84 | isa_ok ($non_uniquely_ordered_constrained->next, 'DBICTest::CD' ); |
85 | |
86 | ok( defined $non_uniquely_ordered_constrained->cursor->next, 'Cursor not exhausted' ); |
87 | } |
88 | |
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89 | done_testing; |