blocks|key|1814428|text|如果您正在编写功能测试，并且服务器不需要任何花哨的东西，那么您可以编写一个仅为测试而运行的小型HTTP服务器；测试代码将被测代码配置为与localhost:上的小型HTTP服务器联系。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1814429|我推荐WEBrick。建立一个HTTP服务器非常容易。|offset|length|1814430|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/ruby/webrick^0|0|3|7|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@$D|P|E|Q|1|R]]|A|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|M]]]]

If you are writing functional tests and the server doesn't need to be anything fancy, you can write a little HTTP server that runs just for the test; the test code configures the code-under-test to contact the little HTTP server on localhost:&lt;some_ephemeral_port&gt;.
I recommend <a href="https://github.com/ruby/webrick" rel="nofollow noreferrer">WEBrick</a>. Putting up an HTTP server is a snap.

blocks|key|2027876|text|如果你正在编写单元测试，那么你就看错了方向，你不需要模拟google.com，但你应该模拟/存根机械化对象，即。创建一个机械化对象，使用参数http://www.google.com在该对象上调用get方法。是的，您确实需要通过访问页面来测试您正在对结果执行的操作，这可以通过存根响应轻松完成，然后执行所有测试。例如，如果您使用mocha，那么|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2027877|mechanize+=+stub('WWW::Mechanize')
WWW::Mechanize.stubs(:new).returns(mechanize)
mechanize.stubs(:get).with('http://www.google.com').returns('What+ever+out+put+you+are+expecting+so+that+you+can+test')|code-block|syntax|javascript|2027878|我不认为你真的需要测试你的请求是否发送到google.com，因为这已经在Mechanize中测试过了。|2027879|另外，如果您正在做集成/黄瓜测试，那么您可以使用sinatra来伪造站点。Sinatra使得编写单页脚本并将该脚本作为网站运行变得非常容易。|2027880|编辑：|2027881|如果您没有使用mocha，那么您需要安装它并在测试中使用它。|2027882|sudo+gem+install+mocha|2027883|在你的测试中|2027884|require+'rubygems'
require+'mocha'|2027885|entityMap|0|LINK|mutability|MUTABLE|url|http://www.google.com/^0|1Y|L|0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|14|8|@]|9|@$A|15|B|16|1|17]]|C|$]]|$1|D|3|E|5|F|7|18|8|@]|9|@]|C|$G|H]]|$1|I|3|J|5|6|7|19|8|@]|9|@]|C|$]]|$1|K|3|L|5|6|7|1A|8|@]|9|@]|C|$]]|$1|M|3|N|5|6|7|1B|8|@]|9|@]|C|$]]|$1|O|3|P|5|6|7|1C|8|@]|9|@]|C|$]]|$1|Q|3|R|5|F|7|1D|8|@]|9|@]|C|$G|H]]|$1|S|3|T|5|6|7|1E|8|@]|9|@]|C|$]]|$1|U|3|V|5|F|7|1F|8|@]|9|@]|C|$G|H]]|$1|W|3|-4|5|6|7|1G|8|@]|9|@]|C|$]]]|X|$Y|$5|Z|10|11|C|$12|13]]]]

If you are writing unit tests then you are looking at the wrong end of the stick, you don't need to mock google.com but you should mock/stub Mechanize object, ie. a mechanize object is created, get method is called on the object with parameter <a href="http://www.google.com" rel="nofollow noreferrer">http://www.google.com</a>. And yes, you do need to test the operation you are performing on the result you get by visiting the page which you can easily do by a stubbed response and then doing all the test. For example if you are using mocha, then

<pre><code>mechanize = stub('WWW::Mechanize')
WWW::Mechanize.stubs(:new).returns(mechanize)
mechanize.stubs(:get).with('http://www.google.com').returns('What ever out put you are expecting so that you can test')
</code></pre>

I don't think that you really need to test whether your request goes to google.com or not because that has already been tested in Mechanize gem.

On another note if you are doing integration/cucumber tests then you can use sinatra to fake the site. Sinatra makes it very easy to write a single page script and run that script as a website.

Edit:

If you are not using mocha then you need to install it and require it in your tests

<pre><code>sudo gem install mocha
</code></pre>

And in your tests

<pre><code>require 'rubygems'
require 'mocha'
</code></pre>

blocks|key|2027910|text|使用Fakeweb来清除互联网响应。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2027911|对于谷歌的例子，首先转到网站并保存你想要的页面的html。在本例中，假设您通过浏览器或curl保存了www.google.com。将Fakeweb+gem添加到test.rb文件中|2027912|那么你的代码是|2027913|stream+=+File.read("saved_google_page.html")
FakeWeb.register_uri(:get,+
++++"http://www.google.com",+
++++:body+=>+stream,+
++++:content_type+=>+"text/html")|code-block|syntax|javascript|2027914|当您执行标准的机械化调用时，|2027915|agent+=+Mechanize.New
page+=+agent.get("http://www.google.com/")|2027916|Fakeweb会返回你保存的带有content_type头的页面，这样Mechanize就会认为它成功地访问了互联网。确保设置了content_type标头，否则机械化会将响应视为机械化：：文件，而不是机械化：：页面。您可以通过在拔下网络连接的情况下在您的机器上运行测试来测试它是否完全工作。|2027917|附注：我在这个问题被问了6个月后回答这个问题，因为这是谷歌的最高搜索结果，但它没有得到回答。我自己花了30分钟来弄清楚这个问题，我想我应该分享一下解决方案。|2027918|entityMap^0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|V|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|W|8|@]|9|@]|A|$]]|$1|F|3|G|5|H|7|X|8|@]|9|@]|A|$I|J]]|$1|K|3|L|5|6|7|Y|8|@]|9|@]|A|$]]|$1|M|3|N|5|H|7|Z|8|@]|9|@]|A|$I|J]]|$1|O|3|P|5|6|7|10|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|11|8|@]|9|@]|A|$]]|$1|S|3|-4|5|6|7|12|8|@]|9|@]|A|$]]]|T|$]]

Use Fakeweb to stub out the internet responses.

For the Google example, first go to the website and save the html of the page you desire. In this case, let's assume you saved www.google.com via your browser or curl. Add the Fakeweb gem to your test.rb file

Then your code is

<pre><code>stream = File.read("saved_google_page.html")
FakeWeb.register_uri(:get, 
 "http://www.google.com", 
 :body =&gt; stream, 
 :content_type =&gt; "text/html")
</code></pre>

When you do your standard Mechanize call of

<pre><code>agent = Mechanize.New
page = agent.get("http://www.google.com/")
</code></pre>

Fakeweb will return the page you saved with the content_type headers set in a way that Mechanize will think it accessed the internet successfully. Make sure that content_type header is set since otherwise Mechanize treats the response as Mechanize::File instead of Mechanize::Page. You can test that it's fully working by running tests on your machine with the network connection unplugged.

p.s. I'm answering this 6 months after the question was asked since this is the top result in Google but it's unanswered. I just spent 30 minutes figuring this out myself and thought I'd share the solution.

blocks|key|2028033|text|你也可以使用Mechanize的测试助手。一旦机械化：：TestCase被加载，就不会在机械化本身之外发出任何HTTP请求。所有请求都是通过WEBrick+servlets处理的。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2028034|创建一个fixture，请求测试用例，然后存根/模拟您的请求以返回：|2028035|require+'mechanize/test_case'

...

Mechanize::TestCase.new('http://google.com').html_page(html_fixture)|code-block|syntax|javascript|2028036|有关更多选项，请参阅：https://www.rubydoc.info/gems/mechanize/Mechanize/TestCase|2028037|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/ruby/webrick|1|https://www.rubydoc.info/gems/mechanize/Mechanize/TestCase^0|1Y|7|0|0|0|0|B|1M|1|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@$A|X|B|Y|1|Z]]|C|$]]|$1|D|3|E|5|6|7|10|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|11|8|@]|9|@]|C|$I|J]]|$1|K|3|L|5|6|7|12|8|@]|9|@$A|13|B|14|1|15]]|C|$]]|$1|M|3|-4|5|6|7|16|8|@]|9|@]|C|$]]]|N|$O|$5|P|Q|R|C|$S|T]]|U|$5|P|Q|R|C|$S|V]]]]

You can use Mechanize's test helpers too. Once Mechanize::TestCase is loaded no HTTP requests will be made outside mechanize itself. All requests are handled via <a href="https://github.com/ruby/webrick" rel="nofollow noreferrer">WEBrick</a> servlets.
Create a fixture, require the test cases and then stub/mock your request to return:
<pre><code>require 'mechanize/test_case'

...

Mechanize::TestCase.new('http://google.com').html_page(html_fixture)
</code></pre>
For more options
see: <a href="https://www.rubydoc.info/gems/mechanize/Mechanize/TestCase" rel="nofollow noreferrer">https://www.rubydoc.info/gems/mechanize/Mechanize/TestCase</a>

I wrote a small program that uses Mechanize to traverse a site.
I want to write tests for it, but don't want it to actually go log onto the site every time I run the tests. I would like to mock the internet, so that when it goes to some site, it simply returns the stored results.
Here is a small example, pretend my code's purpose was to pull links off of the google homepage, so I write a test to ensure the first link my code finds has the text &quot;Images&quot;. I might write something like this:
<pre><code>require 'rubygems'
require 'mechanize'
require 'test/unit'

def my_code_to_find_links
 google = WWW::Mechanize.new.get('http://www.google.com')
 # ...
 # some code to figure out which links it wants
 # ...
 google.links
end

class TestGoogle &lt; Test::Unit::TestCase
 def test_first_link_is_images
 assert_equal 'Images' , my_code_to_find_links.first.text
 end
end
</code></pre>
How do I mock google.com so that I can test my_code_to_find_links without all the overhead of actually accessing the internet?
thanks
-Josh

How to test a ruby application which uses mechanize

单元测试

服务器

我写了一个小程序，使用机械化来遍历一个站点。我想为它编写测试，但不希望它每次运行测试时都登录到网站上。我想模拟一下互联网，这样当它访问某个站点时，它只会返回存储的结果。这里有一个小例子，假设我的代码的目的是从google主页上拉出链接，所以我编写了一个测试，以确保我的代码找到的第一个链接包含文本"Images“。我可能...

问如何测试使用机械化的ruby应用程序
EN

社区

活动

资源

关于

腾讯云开发者

热门产品

热门推荐

更多推荐

问如何测试使用机械化的ruby应用程序EN

社区

活动

资源

关于

腾讯云开发者

热门产品

热门推荐

更多推荐

问如何测试使用机械化的ruby应用程序
EN