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Eliminate use of extract() in wp_link_pages().

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Adds unit tests to a new file: `tests/post/template.php`. 
There were previously no unit tests for `wp_link_pages()`.
	
See #22400.


git-svn-id: https://develop.svn.wordpress.org/trunk@28398 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Scott Taylor
2014-05-15 00:43:40 +00:00
parent 9e07b1037e
commit 21e0370e5c
2 changed files with 103 additions and 29 deletions
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tests/phpunit/tests/post/template.php
+75
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<?php
class Tests_Post_Template extends WP_UnitTestCase {
function test_wp_link_pages() {
$contents = array( 'One', 'Two', 'Three' );
$content = join( '<!--nextpage-->', $contents );
$post_id = $this->factory->post->create( array( 'post_content' => $content ) );
$this->go_to( '?p=' . $post_id );
setup_postdata( get_post( $post_id ) );
$permalink = sprintf( '<a href="%s">', get_permalink() );
$page2 = _wp_link_page( 2 );
$page3 = _wp_link_page( 3 );
$expected = "<p>Pages: 1 {$page2}2</a> {$page3}3</a></p>";
$output = wp_link_pages( array( 'echo' => 0 ) );
$this->assertEquals( $expected, $output );
$before_after = " 1 {$page2}2</a> {$page3}3</a>";
$output = wp_link_pages( array( 'echo' => 0, 'before' => '', 'after' => '' ) );
$this->assertEquals( $before_after, $output );
$separator = "1{$page2}2</a>{$page3}3</a>";
$output = wp_link_pages( array( 'echo' => 0, 'before' => '', 'after' => '', 'separator' => '' ) );
$this->assertEquals( $separator, $output );
$link = "<em>1</em>{$page2}<em>2</em></a>{$page3}<em>3</em></a>";
$output = wp_link_pages( array( 'echo' => 0, 'before' => '', 'after' => '', 'separator' => '',
'link_before' => '<em>', 'link_after' => '</em>'
) );
$this->assertEquals( $link, $output );
$next = "{$page2}<em>Next page</em></a>";
$output = wp_link_pages( array( 'echo' => 0, 'before' => '', 'after' => '', 'separator' => '',
'link_before' => '<em>', 'link_after' => '</em>', 'next_or_number' => 'next'
) );
$this->assertEquals( $next, $output );
$GLOBALS['page'] = 2;
$next_prev = "{$permalink}<em>Previous page</em></a>{$page3}<em>Next page</em></a>";
$output = wp_link_pages( array( 'echo' => 0, 'before' => '', 'after' => '', 'separator' => '',
'link_before' => '<em>', 'link_after' => '</em>', 'next_or_number' => 'next'
) );
$this->assertEquals( $next_prev, $output );
$next_prev_link = "{$permalink}Woo page</a>{$page3}Hoo page</a>";
$output = wp_link_pages( array( 'echo' => 0, 'before' => '', 'after' => '', 'separator' => '',
'next_or_number' => 'next', 'nextpagelink' => 'Hoo page', 'previouspagelink' => 'Woo page'
) );
$this->assertEquals( $next_prev_link, $output );
$GLOBALS['page'] = 1;
$separator = "<p>Pages: | 1 | {$page2}2</a> | {$page3}3</a></p>";
$output = wp_link_pages( array( 'echo' => 0, 'separator' => ' | ' ) );
$this->assertEquals( $separator, $output );
$pagelink = " | Page 1 | {$page2}Page 2</a> | {$page3}Page 3</a>";
$output = wp_link_pages( array( 'echo' => 0, 'separator' => ' | ', 'before' => '', 'after' => '',
'pagelink' => 'Page %'
) );
$this->assertEquals( $pagelink, $output );
}
}