silverstripe-framework/tests/php/ORM/GroupedListTest.php

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<?php
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namespace SilverStripe\ORM\Tests;
use SilverStripe\ORM\ArrayList;
use SilverStripe\ORM\GroupedList;
use SilverStripe\Dev\SapphireTest;
use SilverStripe\View\ArrayData;
/**
* Tests for the {@link GroupedList} list decorator.
*/
class GroupedListTest extends SapphireTest
{
public function testGroupBy()
{
$list = new GroupedList(
new ArrayList(
[
['Name' => 'AAA'],
['Name' => 'AAA'],
['Name' => 'BBB'],
['Name' => 'BBB'],
['Name' => 'AAA'],
['Name' => 'BBB'],
['Name' => 'CCC'],
['Name' => 'CCC']
]
)
);
$grouped = $list->groupBy('Name');
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$this->assertEquals(3, count($grouped ?? []));
$this->assertEquals(3, count($grouped['AAA'] ?? []));
$this->assertEquals(3, count($grouped['BBB'] ?? []));
$this->assertEquals(2, count($grouped['CCC'] ?? []));
}
public function testGroupedBy()
{
$list = new GroupedList(
new ArrayList(
[
['Name' => 'AAA'],
['Name' => 'AAA'],
['Name' => 'BBB'],
['Name' => 'BBB'],
['Name' => 'AAA'],
['Name' => 'BBB'],
['Name' => 'CCC'],
['Name' => 'CCC']
]
)
);
$grouped = $list->GroupedBy('Name');
$first = $grouped->first();
$last = $grouped->last();
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$this->assertEquals(3, count($first->Children ?? []));
$this->assertEquals('AAA', $first->Name);
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$this->assertEquals(2, count($last->Children ?? []));
$this->assertEquals('CCC', $last->Name);
}
public function testGroupedByChildren()
{
$list = GroupedList::create(
ArrayList::create(
[
ArrayData::create(
[
'Name' => 'AAA',
'Number' => '111',
]
),
ArrayData::create(
[
'Name' => 'BBB',
'Number' => '111',
]
),
ArrayData::create(
[
'Name' => 'AAA',
'Number' => '222',
]
),
ArrayData::create(
[
'Name' => 'BBB',
'Number' => '111',
]
),
ArrayData::create(
[
'Name' => 'AAA',
'Number' => '111',
]
),
ArrayData::create(
[
'Name' => 'AAA',
'Number' => '333',
]
),
ArrayData::create(
[
'Name' => 'BBB',
'Number' => '222',
]
),
ArrayData::create(
[
'Name' => 'BBB',
'Number' => '333',
]
),
ArrayData::create(
[
'Name' => 'AAA',
'Number' => '111',
]
),
ArrayData::create(
[
'Name' => 'AAA',
'Number' => '333',
]
)
]
)
);
$grouped = $list->GroupedBy('Name');
foreach ($grouped as $group) {
$children = $group->Children;
$childGroups = $children->GroupedBy('Number');
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$this->assertEquals(3, count($childGroups ?? []));
$first = $childGroups->first();
$last = $childGroups->last();
if ($group->Name == 'AAA') {
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$this->assertEquals(3, count($first->Children ?? []));
$this->assertEquals('111', $first->Number);
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$this->assertEquals(2, count($last->Children ?? []));
$this->assertEquals('333', $last->Number);
}
if ($group->Name == 'BBB') {
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$this->assertEquals(2, count($first->Children ?? []));
$this->assertEquals('111', $first->Number);
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$this->assertEquals(1, count($last->Children ?? []));
$this->assertEquals('333', $last->Number);
}
}
}
public function testTotalItems()
{
$list = GroupedList::create(
ArrayList::create(
[
ArrayData::create(
[
'Name' => 'AAA',
'Number' => '111',
]
),
ArrayData::create(
[
'Name' => 'BBB',
'Number' => '111',
]
),
ArrayData::create(
[
'Name' => 'AAA',
'Number' => '222',
]
),
ArrayData::create(
[
'Name' => 'BBB',
'Number' => '111',
]
)
]
)
);
$this->assertEquals(4, $list->TotalItems());
}
}