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

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<?php
2016-10-14 03:30:05 +02:00
namespace SilverStripe\ORM\Tests;
use SilverStripe\ORM\ArrayLib;
use SilverStripe\Dev\SapphireTest;
class ArrayLibTest extends SapphireTest
{
public function testInvert()
{
$arr = [
'row1' => [
'col1' =>'val1',
'col2' => 'val2'
],
'row2' => [
'col1' => 'val3',
'col2' => 'val4'
]
];
$this->assertEquals(
ArrayLib::invert($arr),
[
'col1' => [
'row1' => 'val1',
'row2' => 'val3',
],
'col2' => [
'row1' => 'val2',
'row2' => 'val4',
],
]
);
}
public function testValuekey()
{
$this->assertEquals(
ArrayLib::valuekey(
[
'testkey1' => 'testvalue1',
'testkey2' => 'testvalue2'
]
),
[
'testvalue1' => 'testvalue1',
'testvalue2' => 'testvalue2'
]
);
}
public function testArrayMapRecursive()
{
$array = [
'a ',
[' b', 'c'],
];
$strtoupper = [
'A ',
[' B', 'C'],
];
$trim = [
'a',
['b', 'c'],
];
$this->assertEquals(
$strtoupper,
ArrayLib::array_map_recursive('strtoupper', $array)
);
$this->assertEquals(
$trim,
ArrayLib::array_map_recursive('trim', $array)
);
}
public function testArrayMergeRecursive()
{
$first = [
'first' => 'a',
'second' => 'b',
];
$second = [
'third' => 'c',
'fourth' => 'd',
];
$expected = [
'first' => 'a',
'second' => 'b',
'third' => 'c',
'fourth' => 'd',
];
$this->assertEquals(
$expected,
ArrayLib::array_merge_recursive($first, $second),
'First values should supplement second values'
);
$first = [
'first' => 'a',
'second' => 'b',
];
$second = [
'first' => 'c',
'third' => 'd',
];
$expected = [
'first' => 'c',
'second' => 'b',
'third' => 'd',
];
$this->assertEquals(
$expected,
ArrayLib::array_merge_recursive($first, $second),
'Second values should override first values'
);
$first = [
'first' => [
'first' => 'a',
],
'second' => [
'second' => 'b',
],
];
$second = [
'first' => [
'first' => 'c',
],
'third' => [
'third' => 'd',
],
];
$expected = [
'first' => [
'first' => 'c',
],
'second' => [
'second' => 'b',
],
'third' => [
'third' => 'd',
],
];
$this->assertEquals(
$expected,
ArrayLib::array_merge_recursive($first, $second),
'Nested second values should override first values'
);
$first = [
'first' => [
'first' => 'a',
],
'second' => [
'second' => 'b',
],
];
$second = [
'first' => [
'second' => 'c',
],
'third' => [
'third' => 'd',
],
];
$expected = [
'first' => [
'first' => 'a',
'second' => 'c',
],
'second' => [
'second' => 'b',
],
'third' => [
'third' => 'd',
],
];
$this->assertEquals(
$expected,
ArrayLib::array_merge_recursive($first, $second),
'Nested first values should supplement second values'
);
$first = [
'first' => [
0 => 'a',
],
'second' => [
1 => 'b',
],
];
$second = [
'first' => [
0 => 'c',
],
'third' => [
2 => 'd',
],
];
$expected = [
'first' => [
0 => 'c',
],
'second' => [
1 => 'b',
],
'third' => [
2 => 'd',
],
];
$this->assertEquals(
$expected,
ArrayLib::array_merge_recursive($first, $second),
'Numeric keys should behave like string keys'
);
}
public function testFlatten()
{
$options = [
'1' => 'one',
'2' => 'two'
];
$expected = $options;
$this->assertEquals($expected, ArrayLib::flatten($options));
$options = [
'1' => [
'2' => 'two',
'3' => 'three'
],
'4' => 'four'
];
$expected = [
'2' => 'two',
'3' => 'three',
'4' => 'four'
];
$this->assertEquals($expected, ArrayLib::flatten($options));
}
/**
* Test that items can be added during iteration
*/
public function testIterateVolatileAppended()
{
$initial = [
'one' => [ 'next' => 'two', 'prev' => null ],
'two' => [ 'next' => 'three', 'prev' => 'one' ],
'three' => [ 'next' => null, 'prev' => 'two' ],
];
// Test new items are iterated
$items = $initial;
$seen = [];
foreach (ArrayLib::iterateVolatile($items) as $key => $value) {
$seen[$key] = $value;
// Append four
if ($key === 'three') {
$items['three']['next'] = 'four';
$items['four'] = [ 'next' => null, 'prev' => 'three'];
}
// Prepend zero won't force it to be iterated next, but it will be iterated
if ($key === 'one') {
$items['one']['next'] = 'zero';
$items = array_merge(
['zero' => [ 'next' => 'one', 'prev' => 'three']],
$items
);
}
}
$expected = [
'one' => [ 'next' => 'two', 'prev' => null ],
'two' => [ 'next' => 'three', 'prev' => 'one' ],
'three' => [ 'next' => null, 'prev' => 'two' ],
'zero' => [ 'next' => 'one', 'prev' => 'three'],
'four' => [ 'next' => null, 'prev' => 'three']
];
// All items are iterated (order not deterministic)
$this->assertEquals(
$expected,
$seen,
'New items are iterated over'
);
}
/**
* Test that items can be modified during iteration
*/
public function testIterateVolatileModified()
{
$initial = [
'one' => [ 'next' => 'two', 'prev' => null ],
'two' => [ 'next' => 'three', 'prev' => 'one' ],
'three' => [ 'next' => 'four', 'prev' => 'two' ],
'four' => [ 'next' => null, 'prev' => 'three' ],
];
// Test new items are iterated
$items = $initial;
$seen = [];
foreach (ArrayLib::iterateVolatile($items) as $key => $value) {
$seen[$key] = $value;
// One modifies two
if ($key === 'one') {
$items['two']['modifiedby'] = 'one';
}
// Two removes three, preventing it from being iterated next
if ($key === 'two') {
unset($items['three']);
}
// Four removes two, but since it's already been iterated by this point
// it's too late.
if ($key === 'four') {
unset($items['two']);
}
}
$expected = [
'one' => [ 'next' => 'two', 'prev' => null ],
'two' => [ 'next' => 'three', 'prev' => 'one', 'modifiedby' => 'one' ],
'four' => [ 'next' => null, 'prev' => 'three' ],
];
// All items are iterated (order not deterministic)
$this->assertEquals(
ksort($expected),
ksort($seen),
'New items are iterated over'
);
}
}