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Improve querying for terms with falsey names and slugs.

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Prior to [38677], `get_term_by()` would always return false if
an empty string were passed as the queried 'name' or 'slug'. The
refactor to use `get_terms()` broke this behavior; inappropriately
imprecise `empty()` checks caused the 'name' or 'slug' clause to be
discarded altogether when fetching terms, resulting in an incorrect
term being returned from the function.

We fix the regression by special-casing truly empty values passed
to `get_term_by()`, and ensuring that `WP_Term_Query` is properly
able to handle `0` and `'0'` term queries.

Props sstoqnov.
Fixes #21760.

git-svn-id: https://develop.svn.wordpress.org/trunk@40293 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Boone Gorges
2017-03-16 02:03:53 +00:00
parent 24b221bd34
commit 79cfdbd84c
4 changed files with 112 additions and 2 deletions
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44
tests/phpunit/tests/term/getTermBy.php
View File

@@ -205,4 +205,48 @@ class Tests_Term_GetTermBy extends WP_UnitTestCase {
$this->assertEquals( 0, $action->get_call_count() );
}
/**
* @ticket 21760
*/
public function test_get_term_by_name_with_string_0() {
register_taxonomy( 'wptests_tax', 'post', array( 'hierarchical' => true ) );
$term_id = $this->factory->term->create( array(
'name' => '0',
'taxonomy' => 'wptests_tax',
) );
$found = get_term_by( 'name', '0', 'wptests_tax' );
$this->assertSame( $term_id, $found->term_id );
}
/**
* @ticket 21760
*/
public function test_get_term_by_slug_with_string_0() {
register_taxonomy( 'wptests_tax', 'post', array( 'hierarchical' => true ) );
$term_id = $this->factory->term->create( array(
'taxonomy' => 'wptests_tax',
'name' => '0',
'slug' => '0',
) );
$found = get_term_by( 'slug', '0', 'wptests_tax' );
$this->assertSame( $term_id, $found->term_id );
}
/**
* @ticket 21760
*/
public function test_get_term_by_with_empty_string() {
register_taxonomy( 'wptests_tax', 'post', array( 'hierarchical' => true ) );
$found_by_slug = get_term_by( 'slug', '', 'wptests_tax' );
$found_by_name = get_term_by( 'name', '', 'wptests_tax' );
$this->assertFalse( $found_by_slug );
$this->assertFalse( $found_by_name );
}
}

51
tests/phpunit/tests/term/getTerms.php
View File

@@ -2223,6 +2223,57 @@ class Tests_Term_getTerms extends WP_UnitTestCase {
return 'foo';
}
/**
* @ticket 21760
*/
public function test_with_term_slug_equal_to_string_0() {
register_taxonomy( 'wptests_tax', 'post', array( 'hierarchical' => true ) );
$term_id = self::factory()->term->create( array(
'name' => '0',
'slug' => '0',
'taxonomy' => 'wptests_tax',
) );
$found = get_terms( array(
'taxonomy' => 'wptests_tax',
'hide_empty' => 0,
'slug' => '0',
) );
$this->assertEqualSets( array( $term_id ), wp_list_pluck( $found, 'term_id' ) );
}
/**
* @ticket 21760
*/
public function test_with_multiple_term_slugs_one_equal_to_string_0() {
register_taxonomy( 'wptests_tax', 'post', array( 'hierarchical' => true ) );
$term_id1 = self::factory()->term->create( array(
'name' => '0',
'slug' => '0',
'taxonomy' => 'wptests_tax',
) );
$term_id2 = self::factory()->term->create( array(
'name' => 'Test',
'slug' => 'test',
'taxonomy' => 'wptests_tax',
) );
$found = get_terms( array(
'taxonomy' => 'wptests_tax',
'hide_empty' => 0,
'slug' => array(
'0',
'test',
),
) );
$this->assertEqualSets( array( $term_id1, $term_id2 ), wp_list_pluck( $found, 'term_id' ) );
}
protected function create_hierarchical_terms_and_posts() {
$terms = array();