blocks|key|304918|text|尝试使用ActionController::TestUploadedFile。您只需将文件属性设置为TestUploadedFile的一个实例，然后回形针就可以处理剩下的事情。例如|type|unstyled|depth|inlineStyleRanges|entityRanges|data|304919|valid_file+=+File.new(File.join(Rails.root,+'features',+'support',+'file.png'))++
p.images+{+
+++[
+++++ActionController::TestUploadedFile.new(valid_file,+Mime::Type.new('application/png'))
+++]+
}|code-block|syntax|javascript|304920|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Try using ActionController::TestUploadedFile. You can just set the file property to an instance of TestUploadedFile and paperclip should take care of the rest. For example

<pre><code>valid_file = File.new(File.join(Rails.root, 'features', 'support', 'file.png')) 
p.images { 
 [
 ActionController::TestUploadedFile.new(valid_file, Mime::Type.new('application/png'))
 ] 
}
</code></pre>

blocks|key|3246723|text|你到底在测试什么？那个回形针能成功地附着文件吗？这看起来真的像是回形针应该处理的测试，而不是您的应用程序。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3246724|你试过了吗？|3246725|a.data+{+File.join(Rails.root,+'features',+'support',+'file.png')+}|code-block|syntax|javascript|3246726|我们使用Machinist而不是factory_girl，并且只使用了如下内容|3246727|Image.blueprint+do
++image+{+RAILS_ROOT+%2B+'spec/fixtures/images/001.jpg'+}
end|3246728|尽管在这样做的时候，我们并没有真正测试太多东西，但我们通常只想拥有一个有效的Image对象。|offset|length|style|CODE|3246729|entityMap^0|0|0|0|0|0|12|5|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|V|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|W|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|X|8|@]|9|@]|A|$]]|$1|K|3|L|5|F|7|Y|8|@]|9|@]|A|$G|H]]|$1|M|3|N|5|6|7|Z|8|@$O|10|P|11|Q|R]]|9|@]|A|$]]|$1|S|3|-4|5|6|7|12|8|@]|9|@]|A|$]]]|T|$]]

What are you testing exactly? That paperclip will successfully attach the file? That really seems like a test that paperclip should handle, not your application.

Have you tried

<pre><code>a.data { File.join(Rails.root, 'features', 'support', 'file.png') }
</code></pre>

We use Machinist instead of factory_girl and have just used things like

<pre><code>Image.blueprint do
 image { RAILS_ROOT + 'spec/fixtures/images/001.jpg' }
end
</code></pre>

Though, we aren't really testing much when we do this, we typically just want to have a valid <code>Image</code> object.

blocks|key|304941|text|我一直在使用以下要点中的代码：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|304942|Rails+2|304943|http://gist.github.com/162881|offset|length|304944|Rails+3|304945|https://gist.github.com/313121|304946|entityMap|0|LINK|mutability|MUTABLE|url|1^0|0|0|0|T|0|0|0|0|U|1|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|U|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|V|8|@]|9|@$F|W|G|X|1|Y]]|A|$]]|$1|H|3|I|5|6|7|Z|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|10|8|@]|9|@$F|11|G|12|1|13]]|A|$]]|$1|L|3|-4|5|6|7|14|8|@]|9|@]|A|$]]]|M|$N|$5|O|P|Q|A|$R|E]]|S|$5|O|P|Q|A|$R|K]]]]

I've been using the code in the gist below:

Rails 2

<a href="http://gist.github.com/162881" rel="noreferrer">http://gist.github.com/162881</a>

Rails 3

<a href="https://gist.github.com/313121" rel="noreferrer">https://gist.github.com/313121</a>

blocks|key|302847|text|file+{+File.new(Rails.root.join('spec',+'fixtures',+'filename.png'))+}|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|302848|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>file { File.new(Rails.root.join('spec', 'fixtures', 'filename.png')) }
</code></pre>

blocks|key|3032789|text|您可以使用fixture_file_upload|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3032790|include+ActionDispatch::TestProcess在你的测试助手中，下面是一个工厂示例：|style|CODE|3032791|include+ActionDispatch::TestProcess

FactoryBot.define+do
++factory+:user+do
++++avatar+{+fixture_file_upload(Rails.root.join('spec',+'photos',+'test.png'),+'image/png')+}
++end
end|code-block|syntax|javascript|3032792|在上面的示例中，在运行测试之前，spec/photos/test.png需要存在于应用程序的根目录中。|3032793|请注意，FactoryBot是FactoryGirl的新名称。|3032794|entityMap|0|LINK|mutability|MUTABLE|url|http://apidock.com/rails/ActionDispatch/TestProcess/fixture_file_upload^0|5|J|0|0|0|Z|0|0|G|K|0|4|A|F|B|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@$A|Z|B|10|1|11]]|C|$]]|$1|D|3|E|5|6|7|12|8|@$A|13|B|14|F|G]]|9|@]|C|$]]|$1|H|3|I|5|J|7|15|8|@]|9|@]|C|$K|L]]|$1|M|3|N|5|6|7|16|8|@$A|17|B|18|F|G]]|9|@]|C|$]]|$1|O|3|P|5|6|7|19|8|@$A|1A|B|1B|F|G]|$A|1C|B|1D|F|G]]|9|@]|C|$]]|$1|Q|3|-4|5|6|7|1E|8|@]|9|@]|C|$]]]|R|$S|$5|T|U|V|C|$W|X]]]]

You can use <a href="http://apidock.com/rails/ActionDispatch/TestProcess/fixture_file_upload" rel="noreferrer">fixture_file_upload</a>

<code>include ActionDispatch::TestProcess</code> in your test helper, here is an example factory:

<pre><code>include ActionDispatch::TestProcess

FactoryBot.define do
 factory :user do
 avatar { fixture_file_upload(Rails.root.join('spec', 'photos', 'test.png'), 'image/png') }
 end
end
</code></pre>

In the above example, <code>spec/photos/test.png</code> needs to exist in your application's root directory before running your tests.

Note, that <code>FactoryBot</code> is a new name for <code>FactoryGirl</code>.

blocks|key|302151|text|较新的FG语法，不包含必需的语法|type|unstyled|depth|inlineStyleRanges|entityRanges|data|302152|factory+:user+do
++avatar+{+File.new(Rails.root.join('app',+'assets',+'images',+'rails.png'))+}
end|code-block|syntax|javascript|302153|或者更好的是，|302154|factory+:user+do
++avatar+{+File.new("#{Rails.root}/spec/support/fixtures/image.jpg")+}+
end|302155|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

Newer FG syntax and no includes necessary

<pre><code>factory :user do
 avatar { File.new(Rails.root.join('app', 'assets', 'images', 'rails.png')) }
end
</code></pre>

or, better yet,

<pre><code>factory :user do
 avatar { File.new("#{Rails.root}/spec/support/fixtures/image.jpg") } 
end
</code></pre>

blocks|key|3246860|text|Desmond+Bowe在Pivotal实验室的suggests+avoiding+fixture_file_upload由于内存泄漏问题。相反，您应该直接在工厂中设置回形针字段：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3246861|factory+:attachment+do
++supporting_documentation_file_name+{+'test.pdf'+}
++supporting_documentation_content_type+{+'application/pdf'+}
++supporting_documentation_file_size+{+1024+}
++#+...
end|code-block|syntax|javascript|3246862|entityMap|0|LINK|mutability|MUTABLE|url|https://content.pivotal.io/blog/avoid-using-fixture-file-upload-with-factorygirl-and-paperclip^0|O|11|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@$A|R|B|S|1|T]]|C|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|C|$G|H]]|$1|I|3|-4|5|6|7|V|8|@]|9|@]|C|$]]]|J|$K|$5|L|M|N|C|$O|P]]]]

Desmond Bowe over at Pivotal Labs <a href="https://content.pivotal.io/blog/avoid-using-fixture-file-upload-with-factorygirl-and-paperclip" rel="noreferrer">suggests avoiding fixture_file_upload</a> due to memory leak problems. Instead, you should set the paperclip fields directly in your factory:

<pre><code>factory :attachment do
 supporting_documentation_file_name { 'test.pdf' }
 supporting_documentation_content_type { 'application/pdf' }
 supporting_documentation_file_size { 1024 }
 # ...
end
</code></pre>

blocks|key|302178|text|上面的答案在某些情况下可能会有帮助，在我的一种情况下，这个答案实际上是有帮助的，但当使用Carrierwave时，这个问题的前一个解决方案这次不起作用。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|302179|FIRST方法：|offset|length|style|BOLD|302180|对于我来说，添加一个after+:create解决了这个问题，如下所示：|CODE|302181|after+:create+do+%7Cb%7C
++b.update_column(:video_file,+File.join(Rails.root,+'spec',+'fixtures',+'sample.mp4'))
end|code-block|syntax|javascript|302182|设置像video_file+{+File.new("#{Rails.root}/spec/fixtures/sample.mp4")+}这样的内联视频文件不起作用，并且报告错误。|302183|第二种方法：|302184|像这样定义一个工厂(将personal_file更改为您的附件名称)：|302185|FactoryGirl.define+do
++factory+:contact+do
++++personal_file+{+File.new("#{Rails.root}/spec/fixtures/personal_files/my_test_file.csv")+}
++++personal_file_content_type+'text/csv'

++end
end|302186|并将以下行添加到config/environemnts/test.rb中：|302187|config.paperclip_defaults+=+{
++url:+"#{Rails.root}/spec/fixtures/:attachment/:filename",
++use_timestamp:+false
}|302188|entityMap^0|0|0|8|0|A|D|0|0|3|1T|0|0|6|0|B|D|0|0|8|R|0|0^^$0|@$1|2|3|4|5|6|7|13|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|14|8|@$D|15|E|16|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|17|8|@$D|18|E|19|F|J]]|9|@]|A|$]]|$1|K|3|L|5|M|7|1A|8|@]|9|@]|A|$N|O]]|$1|P|3|Q|5|6|7|1B|8|@$D|1C|E|1D|F|J]]|9|@]|A|$]]|$1|R|3|S|5|6|7|1E|8|@$D|1F|E|1G|F|G]]|9|@]|A|$]]|$1|T|3|U|5|6|7|1H|8|@$D|1I|E|1J|F|J]]|9|@]|A|$]]|$1|V|3|W|5|M|7|1K|8|@]|9|@]|A|$N|O]]|$1|X|3|Y|5|6|7|1L|8|@$D|1M|E|1N|F|J]]|9|@]|A|$]]|$1|Z|3|10|5|M|7|1O|8|@]|9|@]|A|$N|O]]|$1|11|3|-4|5|6|7|1P|8|@]|9|@]|A|$]]]|12|$]]

The above answers in some cases can help, and the one actually helped in one of my situations, but when using a Carrierwave, the previous solution from this question didn't work out this time. 

FIRST APPROACH:

For me adding an <code>after :create</code> solved the problem for me like this:

<pre><code>after :create do |b|
 b.update_column(:video_file, File.join(Rails.root, 'spec', 'fixtures', 'sample.mp4'))
end
</code></pre>

Setting inline video file like <code>video_file { File.new("#{Rails.root}/spec/fixtures/sample.mp4") }</code> didn't work out and it was reporting errors.

SECOND APPROACH:

Define a factory like this (change <code>personal_file</code> to your attachment name):

<pre><code>FactoryGirl.define do
 factory :contact do
 personal_file { File.new("#{Rails.root}/spec/fixtures/personal_files/my_test_file.csv") }
 personal_file_content_type 'text/csv'

 end
end
</code></pre>

And add these lines to the<code>config/environemnts/test.rb</code> :

<pre><code>config.paperclip_defaults = {
 url: "#{Rails.root}/spec/fixtures/:attachment/:filename",
 use_timestamp: false
}
</code></pre>

I have model Person that has many Images, where images has a Paperclip attachment field called data, an abbreviated version displayed below:
<pre><code>class Person
 has_many :images
 ...
end

class Image
 has_attached_file :data
 belongs_to :person
 ...
end
</code></pre>
Person is required to have at least one Image attached to it.
When using FactoryGirl, I have code akin to the following:
<pre><code>Factory.define :image do |a|
 a.data { File.new(File.join(Rails.root, 'features', 'support', 'file.png')) }
 a.association :person
end

Factory.define :person do |p|
 p.first_name 'Keyzer'
 p.last_name 'Soze'
 p.after_create do |person|
 person.assets = [Factory.build(:image, :person =&gt; person)]
 end
 # p.images {|images| [images.association(:image)]}
end
</code></pre>
(N.B. I have also tried the code commented out above was also tried)
Most of the time when I run cucumber features, I get an error akin to the following:
<blockquote>
No such file or directory - /tmp/stream,9887,0.png (Errno::ENOENT)
...
</blockquote>
Sometimes the tests run successfully.
Can anyone tell me what the problem is I am having here or how they use FactoryGirl and Paperclip together to achieve something like what I am trying to achieve?
I am using Rails 3.

How Do I Use Factory Girl To Generate A Paperclip Attachment?

我有一个模型Person，它有许多图像，其中图像有一个名为data的回形针附件字段，下面显示的是一个缩写版本：class Person  has_many :images  ...endclass Image  has_attached_file :data  belongs_to :person  ...end个人被...

问如何使用Factory Girl生成回形针附件？
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