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Tag sort - UT + comment + fix filter and visibility

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Before this, linksCountPerTag call without would have ignored visibility parameter
This commit is contained in:
ArthurHoaro 2018-05-29 20:52:30 +02:00
parent f28396a2f8
commit f8c5660df8
2 changed files with 118 additions and 7 deletions
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25
application/LinkDB.php
View file

@ -436,15 +436,17 @@ public function filterSearch($filterRequest = array(), $casesensitive = false, $
/**
* Returns the list tags appearing in the links with the given tags
* @param $filteringTags: tags selecting the links to consider
* @param $visibility: process only all/private/public links
* @return: a tag=>linksCount array
*
* @param array $filteringTags tags selecting the links to consider
* @param string $visibility process only all/private/public links
*
* @return array tag => linksCount
*/
public function linksCountPerTag($filteringTags = [], $visibility = 'all')
{
$links = empty($filteringTags) ? $this->links : $this->filterSearch(['searchtags' => $filteringTags], false, $visibility);
$tags = array();
$caseMapping = array();
$links = $this->filterSearch(['searchtags' => $filteringTags], false, $visibility);
$tags = [];
$caseMapping = [];
foreach ($links as $link) {
foreach (preg_split('/\s+/', $link['tags'], 0, PREG_SPLIT_NO_EMPTY) as $tag) {
if (empty($tag)) {
@ -458,9 +460,18 @@ public function linksCountPerTag($filteringTags = [], $visibility = 'all')
$tags[$caseMapping[strtolower($tag)]]++;
}
}
/*
* Formerly used arsort(), which doesn't define the sort behaviour for equal values.
* Also, this function doesn't produce the same result between PHP 5.6 and 7.
*
* So we now use array_multisort() to sort tags by DESC occurrences,
* then ASC alphabetically for equal values.
*
* @see https://github.com/shaarli/Shaarli/issues/1142
*/
$keys = array_keys($tags);
$tmpTags = array_combine($keys, $keys);
// We sort tags by DESC occurrences, then ASC alphabetically for equal values.
array_multisort($tags, SORT_DESC, $tmpTags, SORT_ASC, $tags);
return $tags;
}

100
tests/LinkDBTest.php
View file

@ -542,4 +542,104 @@ public function testDeleteTag()
$this->assertEquals(3, count($res));
$this->assertNotContains('cartoon', $linkDB[4]['tags']);
}
/**
* Test linksCountPerTag all tags without filter.
* Equal occurrences should be sorted alphabetically.
*/
public function testCountLinkPerTagAllNoFilter()
{
$expected = [
'web' => 4,
'cartoon' => 3,
'dev' => 2,
'gnu' => 2,
'hashtag' => 2,
'sTuff' => 2,
'-exclude' => 1,
'.hidden' => 1,
'Mercurial' => 1,
'css' => 1,
'free' => 1,
'html' => 1,
'media' => 1,
'samba' => 1,
'software' => 1,
'stallman' => 1,
'tag1' => 1,
'tag2' => 1,
'tag3' => 1,
'tag4' => 1,
'ut' => 1,
'w3c' => 1,
];
$tags = self::$privateLinkDB->linksCountPerTag();
$this->assertEquals($expected, $tags, var_export($tags, true));
}
/**
* Test linksCountPerTag all tags with filter.
* Equal occurrences should be sorted alphabetically.
*/
public function testCountLinkPerTagAllWithFilter()
{
$expected = [
'gnu' => 2,
'hashtag' => 2,
'-exclude' => 1,
'.hidden' => 1,
'free' => 1,
'media' => 1,
'software' => 1,
'stallman' => 1,
'stuff' => 1,
'web' => 1,
];
$tags = self::$privateLinkDB->linksCountPerTag(['gnu']);
$this->assertEquals($expected, $tags, var_export($tags, true));
}
/**
* Test linksCountPerTag public tags with filter.
* Equal occurrences should be sorted alphabetically.
*/
public function testCountLinkPerTagPublicWithFilter()
{
$expected = [
'gnu' => 2,
'hashtag' => 2,
'-exclude' => 1,
'.hidden' => 1,
'free' => 1,
'media' => 1,
'software' => 1,
'stallman' => 1,
'stuff' => 1,
'web' => 1,
];
$tags = self::$privateLinkDB->linksCountPerTag(['gnu'], 'public');
$this->assertEquals($expected, $tags, var_export($tags, true));
}
/**
* Test linksCountPerTag public tags with filter.
* Equal occurrences should be sorted alphabetically.
*/
public function testCountLinkPerTagPrivateWithFilter()
{
$expected = [
'cartoon' => 1,
'dev' => 1,
'tag1' => 1,
'tag2' => 1,
'tag3' => 1,
'tag4' => 1,
];
$tags = self::$privateLinkDB->linksCountPerTag(['dev'], 'private');
$this->assertEquals($expected, $tags, var_export($tags, true));
}
}