这个类相当简单,如果有空间,它会在字符串中添加一个 twitter 主题标签。Twitter 只允许 140 个字符(网址减去 23)。因此,如果有空间可以添加主题标签。
我认为它没有按预期 100% 工作,但这与我位于下面的问题无关。
class Hashtags {
private $url_character_count = 23;
private $characters_allowed = 140;
public function __construct(Article $article)
{
$this->article = $article;
$this->characters_remaining = $this->characters_allowed - $this->url_character_count;
}
public function createHashtagString()
{
$hashtags = '';
$hashtags .= $this->addEachNodeHashtag();
$hashtags .= $this->addHashtagIfSpace($this->article->topic_hashtag);
$hashtags .= $this->addHashtagIfSpace($this->article->pubissue_hashtag);
$hashtags .= $this->addHashtagIfSpace($this->article->subject_area_hashtag);
$hashtags .= $this->addHashtagIfSpace('#aviation');
return $hashtags;
}
private function addEachNodeHashtag()
{
//Returns a hashtag or calls hashtagString() if it is a comma separated list
}
private function hashtagString()
{
//Explodes a comma seperated string of hashtags and calls addHashtagIfSpace()
}
private function addHashtagIfSpace($hashtag_string)
{
if((strlen($hashtag_string) + 1) <= $this->characters_remaining)
{
$this->characters_remaining = $this->characters_remaining - strlen($hashtag_string);
if(empty($hashtag_string))
{
return '';
}
return ' ' . $hashtag_string;
}
}
}
这是我的测试,我的问题是这仅测试一种特定情况,其中所有字段都已填写,并且有足够的空间容纳所有字段。我应该继续为不同的情况制作一堆这些测试功能吗?我猜大概会有10个。我以前从未做过测试,所以我有点脱离了我的元素,需要指出正确的方向。
谢谢
class HashtagsSpec extends ObjectBehavior
{
function it_creates_hashtag_string_with_all_fields_filled_in(Article $article)
{
$this->beConstructedWith($article);
$article->title = 'This is the article title';
$article->url = 'http://website.com/node/XXX';
$article->pubissue_hashtag = '#AHASHTAG';
$article->subject_area_hashtag = '#SUBAREA';
$article->topic_hashtag = '#TOPIC';
$article->node_hashtags = '#Test1,#Test2,#Test3';
$this->createHashtagString()->shouldReturn(' #Test1 #Test2 #Test3 #TOPIC #AHASHTAG #SUBAREA #aviation');
}
}