Commit | Line | Data |
e9bd1473 |
1 | use strict; |
9188c1ed |
2 | use warnings; |
e9bd1473 |
3 | |
4 | use Test::More; |
e9bd1473 |
5 | use lib qw(t/lib); |
6 | use DBICTest; |
e9bd1473 |
7 | |
2e251255 |
8 | my $schema = DBICTest->init_schema(); |
a2287768 |
9 | my $sdebug = $schema->storage->debug; |
e9bd1473 |
10 | |
c9733800 |
11 | # once the following TODO is complete, remove the 2 warning tests immediately |
12 | # after the TODO block |
13 | # (the TODO block itself contains tests ensuring that the warns are removed) |
14 | TODO: { |
15 | local $TODO = 'Prefetch of multiple has_many rels at the same level (currently warn to protect the clueless git)'; |
e9bd1473 |
16 | |
c9733800 |
17 | #( 1 -> M + M ) |
18 | my $cd_rs = $schema->resultset('CD')->search ({ 'me.title' => 'Forkful of bees' }); |
19 | my $pr_cd_rs = $cd_rs->search ({}, { |
20 | prefetch => [qw/tracks tags/], |
21 | }); |
e9bd1473 |
22 | |
c9733800 |
23 | my $tracks_rs = $cd_rs->first->tracks; |
24 | my $tracks_count = $tracks_rs->count; |
e9bd1473 |
25 | |
c9733800 |
26 | my ($pr_tracks_rs, $pr_tracks_count); |
e9bd1473 |
27 | |
c9733800 |
28 | my $queries = 0; |
29 | $schema->storage->debugcb(sub { $queries++ }); |
30 | $schema->storage->debug(1); |
31 | |
32 | my $o_mm_warn; |
33 | { |
34 | local $SIG{__WARN__} = sub { $o_mm_warn = shift }; |
35 | $pr_tracks_rs = $pr_cd_rs->first->tracks; |
36 | }; |
37 | $pr_tracks_count = $pr_tracks_rs->count; |
38 | |
39 | ok(! $o_mm_warn, 'no warning on attempt to prefetch several same level has_many\'s (1 -> M + M)'); |
40 | |
9fd5c112 |
41 | { |
42 | local $TODO; |
c9733800 |
43 | is($queries, 1, 'prefetch one->(has_many,has_many) ran exactly 1 query'); |
9fd5c112 |
44 | } |
c9733800 |
45 | $schema->storage->debugcb (undef); |
46 | $schema->storage->debug ($sdebug); |
47 | |
48 | is($pr_tracks_count, $tracks_count, 'equal count of prefetched relations over several same level has_many\'s (1 -> M + M)'); |
49 | is ($pr_tracks_rs->all, $tracks_rs->all, 'equal amount of objects returned with and without prefetch over several same level has_many\'s (1 -> M + M)'); |
50 | |
51 | #( M -> 1 -> M + M ) |
52 | my $note_rs = $schema->resultset('LinerNotes')->search ({ notes => 'Buy Whiskey!' }); |
53 | my $pr_note_rs = $note_rs->search ({}, { |
54 | prefetch => { |
55 | cd => [qw/tracks tags/] |
56 | }, |
57 | }); |
58 | |
59 | my $tags_rs = $note_rs->first->cd->tags; |
60 | my $tags_count = $tags_rs->count; |
61 | |
62 | my ($pr_tags_rs, $pr_tags_count); |
63 | |
64 | $queries = 0; |
65 | $schema->storage->debugcb(sub { $queries++ }); |
66 | $schema->storage->debug(1); |
67 | |
68 | my $m_o_mm_warn; |
69 | { |
70 | local $SIG{__WARN__} = sub { $m_o_mm_warn = shift }; |
71 | $pr_tags_rs = $pr_note_rs->first->cd->tags; |
72 | }; |
73 | $pr_tags_count = $pr_tags_rs->count; |
74 | |
75 | ok(! $m_o_mm_warn, 'no warning on attempt to prefetch several same level has_many\'s (M -> 1 -> M + M)'); |
76 | |
9fd5c112 |
77 | { |
78 | local $TODO; |
79 | |
c9733800 |
80 | is($queries, 1, 'prefetch one->(has_many,has_many) ran exactly 1 query'); |
81 | $schema->storage->debugcb (undef); |
82 | $schema->storage->debug ($sdebug); |
83 | |
84 | is($pr_tags_count, $tags_count, 'equal count of prefetched relations over several same level has_many\'s (M -> 1 -> M + M)'); |
85 | is($pr_tags_rs->all, $tags_rs->all, 'equal amount of objects with and without prefetch over several same level has_many\'s (M -> 1 -> M + M)'); |
9fd5c112 |
86 | } |
c9733800 |
87 | } |
88 | |
89 | # remove this closure once the TODO above is working |
e9bd1473 |
90 | { |
c9733800 |
91 | my $warn_re = qr/will explode the number of row objects retrievable via/; |
92 | |
93 | my (@w, @dummy); |
94 | local $SIG{__WARN__} = sub { $_[0] =~ $warn_re ? push @w, @_ : warn @_ }; |
95 | |
96 | my $rs = $schema->resultset('CD')->search ({ 'me.title' => 'Forkful of bees' }, { prefetch => [qw/tracks tags/] }); |
97 | @w = (); |
98 | @dummy = $rs->first; |
99 | is (@w, 1, 'warning on attempt prefetching several same level has_manys (1 -> M + M)'); |
100 | |
101 | my $rs2 = $schema->resultset('LinerNotes')->search ({ notes => 'Buy Whiskey!' }, { prefetch => { cd => [qw/tags tracks/] } }); |
102 | @w = (); |
103 | @dummy = $rs2->first; |
104 | is (@w, 1, 'warning on attempt prefetching several same level has_manys (M -> 1 -> M + M)'); |
105 | } |
28fddc39 |
106 | |
27ffa6c0 |
107 | done_testing; |