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