custom-404-pro / tests / PluginClassTest.php

PluginClassTest.php in Custom 404 Pro trunk, at tests/PluginClassTest.php

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1	<?php
2	/**
3	* Unit tests for the PluginClass class.
4	*
5	* @package Custom_404_Pro
6	*/
7
8	use PHPUnit\Framework\TestCase;
9
10	/**
11	* PluginClass test case.
12	*/
13	class PluginClassTest extends TestCase {
14
15	/**
16	* Resets action and textdomain stubs before each test.
17	*/
18	protected function setUp(): void {
19	parent::setUp();
20	$GLOBALS['_test_actions'] = array();
21	$GLOBALS['_load_plugin_textdomain_calls'] = array();
22	}
23
24	/**
25	* Asserts that load_textdomain is a public method.
26	*/
27	public function test_load_textdomain_is_public_method() {
28	$ref = new ReflectionClass( PluginClass::class );
29	$method = $ref->getMethod( 'load_textdomain' );
30	$this->assertTrue( $method->isPublic(), 'load_textdomain must be public so the plugins_loaded hook can call it' );
31	}
32
33	/**
34	* Asserts that plugins_loaded action is registered with load_textdomain on construction.
35	*/
36	public function test_plugins_loaded_action_is_registered_on_construction() {
37	new PluginClass();
38
39	$this->assertArrayHasKey( 'plugins_loaded', $GLOBALS['_test_actions'], 'plugins_loaded action must be registered' );
40
41	$found = false;
42	foreach ( $GLOBALS['_test_actions']['plugins_loaded'] as $entry ) {
43	$cb = $entry[0];
44	if ( is_array( $cb ) && $cb[0] instanceof PluginClass && 'load_textdomain' === $cb[1] ) {
45	$found = true;
46	break;
47	}
48	}
49	$this->assertTrue( $found, 'plugins_loaded must be hooked to PluginClass::load_textdomain' );
50	}
51
52	/**
53	* Asserts that load_textdomain calls load_plugin_textdomain with the correct text domain.
54	*/
55	public function test_load_textdomain_uses_correct_text_domain() {
56	$plugin = new PluginClass();
57	$plugin->load_textdomain();
58
59	$this->assertNotEmpty( $GLOBALS['_load_plugin_textdomain_calls'], 'load_plugin_textdomain must be called' );
60	$this->assertSame(
61	'custom-404-pro',
62	$GLOBALS['_load_plugin_textdomain_calls'][0]['domain'],
63	'Text domain must be "custom-404-pro"'
64	);
65	}
66
67	/**
68	* Asserts that load_textdomain passes a languages path ending in /languages.
69	*/
70	public function test_load_textdomain_passes_languages_path() {
71	$plugin = new PluginClass();
72	$plugin->load_textdomain();
73
74	$rel_path = $GLOBALS['_load_plugin_textdomain_calls'][0]['plugin_rel_path'];
75	$this->assertStringEndsWith( '/languages', $rel_path, 'plugin_rel_path must end with /languages' );
76	}
77
78	/**
79	* Asserts that load_textdomain can be called more than once without error.
80	*/
81	public function test_load_textdomain_is_idempotent() {
82	$plugin = new PluginClass();
83	$plugin->load_textdomain();
84	$plugin->load_textdomain();
85
86	$this->assertCount( 2, $GLOBALS['_load_plugin_textdomain_calls'] );
87	}
88	}
89