Registry tests

tests/phpunit/tests/Registry.php

@@ -0,0 +1,76 @@
+<?php
+
+namespace Required\Digest\Tests;
+
+use Required\Digest\Event\RegistryInterface;
+use \WP_UnitTestCase;
+use \Required\Digest\Event\Registry as EventRegistry;
+
+class Registry extends WP_UnitTestCase {
+	/**
+	 * @var RegistryInterface
+	 */
+	protected $registry;
+
+	public function setUp() {
+		$this->registry = new EventRegistry();
+	}
+
+	public function test_register_event() {
+		$this->registry->register_event( 'foo' );
+
+		$this->assertSame( array( 'foo' ), $this->registry->get_registered_events() );
+	}
+
+	public function test_register_event_twice() {
+		$this->registry->register_event( 'foo' );
+		$this->registry->register_event( 'foo' );
+
+		$this->assertSame( array( 'foo' ), $this->registry->get_registered_events() );
+	}
+
+	public function test_register_event_adds_filter_with_callback() {
+		$this->registry->register_event( 'foo', 'bar' );
+
+		$this->assertSame( 10, has_filter( 'digest_message_section_foo', 'bar' ) );
+	}
+
+	public function test_is_registered_event() {
+		$before = $this->registry->is_registered_event( 'foo' );
+		$this->registry->register_event( 'foo' );
+		$after = $this->registry->is_registered_event( 'foo' );
+
+		$this->assertFalse( $before );
+		$this->assertTrue( $after );
+	}
+
+	public function get_registered_events_empty() {
+		$this->assertEmpty( $this->registry->get_registered_events() );
+	}
+
+	public function test_register_default_events(  ) {
+		$this->registry->register_default_events();
+
+		$this->assertEqualSets( array(
+			'comment_moderation',
+			'comment_notification',
+			'core_update_failure',
+			'core_update_success',
+			'new_user_notification',
+			'password_change_notification'
+		), $this->registry->get_registered_events() );
+	}
+
+	public function test_register_default_events_without_pluggable(  ) {
+		update_option( 'digest_hooks', array(), false );
+
+		$this->registry->register_default_events();
+
+		$this->assertEqualSets( array(
+			'comment_moderation',
+			'comment_notification',
+			'core_update_failure',
+			'core_update_success',
+		), $this->registry->get_registered_events() );
+	}
+}