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Add linker tests, fix firstOnly behavior.

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- Fix: The firstOnly option finally also works if a page contains a link to a given other page that was not currently added by the extension, i.e. that existed prior to an edit or that was manually added.

Closes #12.
This commit is contained in:
Daniel Kraus
2017-08-29 05:42:49 +02:00
parent 33df917af1
commit 04aa26d6a2
3 changed files with 79 additions and 17 deletions
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12
includes/Linker.php
View File

@@ -86,6 +86,14 @@ class Linker {
continue;
}
// Dealing with existing links if the firstOnly option is set:
// A link to the current page should only be recognized if it appears in
// clear text, i.e. we do not count piped links as existing links.
// (Similarly, by design, redirections should not be counted as existing links.)
if ( $limit == 1 && preg_match( '/[[' . $target->getCaseSensitiveLinkValueRegex() . ']]/' , $text ) ) {
continue;
}
// Split the page content by non-linkable sections.
// Credits to inhan @ StackOverflow for suggesting preg_split.
// See http://stackoverflow.com/questions/10672286
@@ -161,7 +169,7 @@ class Linker {
// we need to ignore the first letter of the page titles, as
// it does not matter for linking.
if ( strcmp( substr( $this->targetTitleText, 1 ), substr( $matches[ 0 ], 1) ) == 0 ) {
// Case-sensitive match: no need to bulid piped link.
// Case-sensitive match: no need to build piped link.
return '[[' . $matches[ 0 ] . ']]';
} else {
// Case-insensitive match: build piped link.
@@ -171,7 +179,7 @@ class Linker {
// If $wgCapitalLinks is false, we can use the simple variant
// of the callback function.
if ( strcmp( $this->targetTitleText, $matches[ 0 ] ) == 0 ) {
// Case-sensitive match: no need to bulid piped link.
// Case-sensitive match: no need to build piped link.
return '[[' . $matches[ 0 ] . ']]';
} else {
// Case-insensitive match: build piped link.

38
includes/Target.php
View File

@@ -60,6 +60,8 @@ class Target {
*/
private $config;
private $caseSensitiveLinkValueRegex;
/**
* Constructs a new Target object
*
@@ -103,20 +105,7 @@ class Target {
* @return String regular expression for this title.
*/
public function getCaseSensitiveRegex() {
$regexSafeTitle = $this->getRegexSafeTitle();
// Depending on the $config->capitalLinks setting,
// the title has to be searched for either in a strictly case-sensitive
// way, or in a 'fuzzy' way where the first letter of the title may
// be either case.
//
if ( $this->config->capitalLinks && ( $regexSafeTitle[0] != '\\' )) {
$searchTerm = '((?i)' . $regexSafeTitle[0] . '(?-i)' . substr($regexSafeTitle, 1) . ')';
} else {
$searchTerm = '(' . $regexSafeTitle . ')';
}
return $this->buildRegex( $searchTerm );
return $this->buildRegex( $this->getCaseSensitiveLinkValueRegex() );
}
/**
@@ -138,6 +127,27 @@ class Target {
return '/(?<![\:\.\@\/\?\&])' . $this->wordStart . $searchTerm . $this->wordEnd . '/S';
}
/**
* Gets the (cached) regex for the link value.
*
* Depending on the $config->capitalLinks setting, the title has to be
* searched for either in a strictly case-sensitive way, or in a 'fuzzy' way
* where the first letter of the title may be either case.
*
* @return String regular expression pattern for the link value.
*/
public function getCaseSensitiveLinkValueRegex() {
if ( $this->caseSensitiveLinkValueRegex === null ) {
$regexSafeTitle = $this->getRegexSafeTitle();
if ( $this->config->capitalLinks && ( $regexSafeTitle[0] != '\\' )) {
$this->caseSensitiveLinkValueRegex = '((?i)' . $regexSafeTitle[0] . '(?-i)' . substr($regexSafeTitle, 1) . ')';
} else {
$this->caseSensitiveLinkValueRegex = '(' . $regexSafeTitle . ')';
}
}
return $this->caseSensitiveLinkValueRegex;
}
/**
* Returns the \Content of the target page.
*

46
tests/phpunit/LinkerTest.php
View File

@@ -1,5 +1,13 @@
<?php
/**
* Unit tests for the LinkTitles\Linker class.
*
* The test class is prefixed with 'LinkTitles' to avoid a naming collision
* with a class that exists in the MediaWiki core.
*
* Ideally the test classes should be namespaced, but when you do that, they
* will no longer be automatically discovered.
*
* @group bovender
* @group Database
*/
@@ -17,12 +25,13 @@ class LinkTitlesLinkerTest extends LinkTitles\TestCase {
public function testLinkContentSmartMode( $capitalLinks, $smartMode, $input, $expectedOutput) {
$this->setMwGlobals( 'wgCapitalLinks', $capitalLinks );
$config = new LinkTitles\Config();
$config->firstOnly = false;
$config->smartMode = $smartMode;
$linker = new LinkTitles\Linker( $config );
$this->assertSame( $expectedOutput, $linker->linkContent( $this->title, $input ));
}
public static function provideLinkContentSmartModeData() {
public function provideLinkContentSmartModeData() {
return [
[
true, // wgCapitalLinks
@@ -86,4 +95,39 @@ class LinkTitlesLinkerTest extends LinkTitles\TestCase {
],
];
}
/**
* @dataProvider provideLinkContentFirstOnlyData
*/
public function testLinkContentFirstOnly( $firstOnly, $input, $expectedOutput ) {
$config = new LinkTitles\Config();
$config->firstOnly = $firstOnly;
$linker = new LinkTitles\Linker( $config );
$this->assertSame( $expectedOutput, $linker->linkContent( $this->title, $input ));
}
public function provideLinkContentFirstOnlyData() {
return [
[
false, // firstOnly
'With firstOnly = false, link target is a link target multiple times',
'With firstOnly = false, [[link target]] is a [[link target]] multiple times'
],
[
false, // firstOnly
'With firstOnly = false, [[link target]] is a link target multiple times',
'With firstOnly = false, [[link target]] is a [[link target]] multiple times'
],
[
true, // firstOnly
'With firstOnly = true, link target is a link target only once',
'With firstOnly = true, [[link target]] is a link target only once'
],
[
true, // firstOnly
'With firstOnly = true, [[link target]] is a link target only once',
'With firstOnly = true, [[link target]] is a link target only once'
],
];
}
}