From 8ee2d7149baa58ea225cb40e0f95030ee21f1081 Mon Sep 17 00:00:00 2001
From: "Jannis M. Hoffmann" <jannis@fehcom.de>
Date: Mon, 13 Mar 2023 21:34:03 +0100
Subject: Split up Helper plugin and added Views instead

---
 t/Pagination.t | 113 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 t/Pagination.t

(limited to 't/Pagination.t')

diff --git a/t/Pagination.t b/t/Pagination.t
new file mode 100644
index 0000000..e06df03
--- /dev/null
+++ b/t/Pagination.t
@@ -0,0 +1,113 @@
+use v5.22;
+use warnings;
+use strict;
+use utf8;
+
+use Test::More;
+
+use JWebmail::Plugin::Paginate;
+
+
+subtest 'pagination' => sub {
+    my %res;
+
+    my $p = \&JWebmail::Plugin::Paginate::_paginate;
+
+    %res = $p->(first_item => 0, page_size => 10, total_items => 55)->%*;
+
+    is $res{first_item}, 0;
+    is $res{last_item}, 9;
+    is $res{total_items}, 55;
+
+    is $res{page_size}, 10;
+    is $res{total_pages}, 6;
+    is $res{current_page}, 0;
+
+    is_deeply $res{first_page}, [0, 10], 'first';
+    is_deeply $res{prev_page}, [0, 10], 'prev';
+    is_deeply $res{next_page}, [10, 20], 'next';
+    is_deeply $res{last_page}, [50, 55], 'last';
+
+    %res = $p->(first_item => 10, page_size => 10, total_items => 55)->%*;
+
+    is $res{first_item}, 10;
+    is $res{last_item}, 19;
+    is $res{total_items}, 55;
+
+    is $res{page_size}, 10;
+    is $res{total_pages}, 6;
+    is $res{current_page}, 1;
+
+    is_deeply $res{first_page}, [0, 10], 'first';
+    is_deeply $res{prev_page}, [0, 10], 'prev';
+    is_deeply $res{next_page}, [20, 30], 'next';
+    is_deeply $res{last_page}, [50, 55], 'last';
+
+    %res = $p->(first_item => 20, page_size => 10, total_items => 55)->%*;
+
+    is $res{first_item}, 20;
+    is $res{last_item}, 29;
+    is $res{total_items}, 55;
+
+    is $res{page_size}, 10;
+    is $res{total_pages}, 6;
+    is $res{current_page}, 2;
+
+    is_deeply $res{first_page}, [0, 10], 'first';
+    is_deeply $res{prev_page}, [10, 20], 'prev';
+    is_deeply $res{next_page}, [30, 40], 'next';
+    is_deeply $res{last_page}, [50, 55], 'last';
+
+    %res = $p->(first_item => 50, page_size => 10, total_items => 55)->%*;
+
+    is $res{first_item}, 50;
+    is $res{last_item}, 54;
+    is $res{total_items}, 55;
+
+    is $res{page_size}, 10;
+    is $res{total_pages}, 6;
+    is $res{current_page}, 5;
+
+    is_deeply $res{first_page}, [0, 10], 'first';
+    is_deeply $res{prev_page}, [40, 50], 'prev';
+    is_deeply $res{next_page}, [50, 55], 'next';
+    is_deeply $res{last_page}, [50, 55], 'last';
+
+    %res = $p->(first_item => 0, page_size => 10, total_items => 0)->%*;
+
+    ok !defined $res{first_item};
+    ok !defined $res{last_item};
+    is $res{total_items}, 0;
+
+    is $res{page_size}, 10;
+    is $res{total_pages}, 0;
+    is $res{current_page}, 0;
+
+    is_deeply $res{first_page}, [0, 0], 'first';
+    is_deeply $res{prev_page}, [0, 0], 'prev';
+    is_deeply $res{next_page}, [0, 0], 'next';
+    is_deeply $res{last_page}, [0, 0], 'last';
+
+    SKIP: {
+        skip 'The first_item does not align with page boundaries and behaiviour is not specified.';
+
+        %res = $p->(first_item => 19, page_size => 10, total_items => 55)->%*;
+
+        is $res{first_item}, 20;
+        is $res{last_item}, 29;
+        is $res{total_items}, 55;
+
+        is $res{page_size}, 10;
+        is $res{total_pages}, 6;
+        is $res{current_page}, 3;
+
+        is_deeply $res{first_page}, [1, 10], 'first';
+        is_deeply $res{prev_page}, [11, 20], 'prev';
+        is_deeply $res{next_page}, [31, 40], 'next';
+        is_deeply $res{last_page}, [51, 55], 'last';
+    }
+
+    done_testing;
+};
+
+done_testing;
-- 
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