public function test_get_option()
 {
     $option_manager = new Hello_Kushimoto_Option_Manager();
     $options = $option_manager->get_options();
     $this->assertTrue(is_array($options));
     $this->assertArrayHasKey('speaker', $options);
 }
    public function options_page()
    {
        if (!current_user_can('manage_options')) {
            wp_die(__('You do not have sufficient permissions to access this page.'));
        }
        ?>
		<div id="hello_kushimoto" class="wrap">
			<h2><?php 
        _e('Hello Kushimoto', 'hello-kushimoto');
        ?>
</h2>

			<form method="post" action="options.php">
				<?php 
        settings_fields('hello_kushimoto_setting');
        do_settings_sections('hello_kushimoto_setting');
        $options = $this->option_manager->get_options();
        $name = $this->option_manager->get_option_name();
        ?>
				<table class="form-table">
					<tbody>
					<tr>
						<th scope="row"><label for="<?php 
        echo esc_attr($name);
        ?>
"><?php 
        _e('キャラクター設定', 'hello-kushimoto');
        ?>
							</label></th>
						<td>
							<select name="<?php 
        echo esc_attr($name);
        ?>
[speaker]"
							        id="<?php 
        echo esc_attr($name);
        ?>
">
								<?php 
        $current_speaker = $options['speaker'];
        $speakers = $this->get_speakers();
        foreach ($speakers as $speaker) {
            $class_name = get_class($speaker);
            ?>
									<option value="<?php 
            echo esc_attr($class_name);
            ?>
" <?php 
            selected($current_speaker, $class_name);
            ?>
>
										<?php 
            echo esc_html($speaker->whoami());
            ?>
									</option>
									<?php 
        }
        ?>

							</select>
						</td>
					</tr>

					</tbody>
				</table>

				<?php 
        submit_button();
        ?>
			</form>
		</div><!-- #hello_kushimoto -->
		<?php 
    }