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1 | use strict; |
2 | use Test::More; |
3 | |
4 | BEGIN { |
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5 | eval "use DBIx::Class::CDBICompat;"; |
6 | if ($@) { |
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7 | plan (skip_all => "Class::Trigger and DBIx::ContextualFetch required: $@"); |
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8 | } |
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9 | plan tests => 37; |
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10 | } |
11 | |
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12 | use lib 't/cdbi/testlib'; |
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13 | use Film; |
14 | |
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15 | my $it_class = "DBIx::Class::ResultSet"; |
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16 | |
17 | my @film = ( |
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18 | Film->create({ Title => 'Film 1' }), |
19 | Film->create({ Title => 'Film 2' }), |
20 | Film->create({ Title => 'Film 3' }), |
21 | Film->create({ Title => 'Film 4' }), |
22 | Film->create({ Title => 'Film 5' }), |
23 | Film->create({ Title => 'Film 6' }), |
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24 | ); |
25 | |
26 | { |
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27 | my $it1 = Film->retrieve_all; |
28 | isa_ok $it1, $it_class; |
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29 | |
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30 | my $it2 = Film->retrieve_all; |
31 | isa_ok $it2, $it_class; |
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32 | |
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33 | while (my $from1 = $it1->next) { |
34 | my $from2 = $it2->next; |
35 | is $from1->id, $from2->id, "Both iterators get $from1"; |
36 | } |
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37 | } |
38 | |
39 | { |
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40 | my $it = Film->retrieve_all; |
41 | is $it->first->title, "Film 1", "Film 1 first"; |
42 | is $it->next->title, "Film 2", "Film 2 next"; |
43 | is $it->first->title, "Film 1", "First goes back to 1"; |
44 | is $it->next->title, "Film 2", "With 2 still next"; |
45 | $it->reset; |
46 | is $it->next->title, "Film 1", "Reset brings us to film 1 again"; |
47 | is $it->next->title, "Film 2", "And 2 is still next"; |
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48 | } |
49 | |
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50 | |
51 | { |
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52 | my $it = Film->retrieve_all; |
53 | my @slice = $it->slice(2,4); |
54 | is @slice, 3, "correct slice size (array)"; |
55 | is $slice[0]->title, "Film 3", "Film 3 first"; |
56 | is $slice[2]->title, "Film 5", "Film 5 last"; |
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57 | } |
58 | |
59 | { |
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60 | my $it = Film->retrieve_all; |
61 | my $slice = $it->slice(2,4); |
62 | isa_ok $slice, $it_class, "slice as iterator"; |
63 | is $slice->count, 3,"correct slice size (array)"; |
64 | is $slice->first->title, "Film 3", "Film 3 first"; |
65 | is $slice->next->title, "Film 4", "Film 4 next"; |
66 | is $slice->first->title, "Film 3", "First goes back to 3"; |
67 | is $slice->next->title, "Film 4", "With 4 still next"; |
68 | $slice->reset; |
69 | is $slice->next->title, "Film 3", "Reset brings us to film 3 again"; |
70 | is $slice->next->title, "Film 4", "And 4 is still next"; |
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71 | |
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72 | # check if the original iterator still works |
73 | is $it->count, 6, "back to the original iterator, is of right size"; |
74 | is $it->first->title, "Film 1", "Film 1 first"; |
75 | is $it->next->title, "Film 2", "Film 2 next"; |
76 | is $it->first->title, "Film 1", "First goes back to 1"; |
77 | is $it->next->title, "Film 2", "With 2 still next"; |
78 | is $it->next->title, "Film 3", "Film 3 is still in original Iterator"; |
79 | $it->reset; |
80 | is $it->next->title, "Film 1", "Reset brings us to film 1 again"; |
81 | is $it->next->title, "Film 2", "And 2 is still next"; |
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82 | } |
83 | |
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84 | { |
85 | my $it = Film->retrieve_all; |
86 | is $it, $it->count, "iterator returns count as a scalar"; |
87 | ok $it, "iterator returns true when there are results"; |
88 | } |
89 | |
90 | { |
91 | my $it = Film->search( Title => "something which does not exist" ); |
92 | is $it, 0; |
93 | ok !$it, "iterator returns false when no results"; |
94 | } |