From: Robert Klemme <shortcutter@...>
Date: 2013-04-09T02:01:15+09:00
Subject: Re: Accessing global variable in Unit Tests

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On Mon, Apr 8, 2013 at 6:33 PM, T- Di <lists@ruby-forum.com> wrote:

> Hi,
>
> I'm having problems using a global variable defined in the my test
> class, which then is referenced in the libraries file. I'm using Ruby
> 1.9.3p392 and test-unit 2.5.4
>
> Here is the code that runs the tests:
>
> require 'rubygems'
> gem 'test-unit'
> require 'test/unit'
> require 'ci/reporter/rake/test_unit_loader'
> load '../lib/functions.rb'
> require 'watir'
>
> class Test_002 < Test::Unit::TestCase
>
>   include Functions
>
>   class << self
>    def startup
>

I think this should be called "setup" and be an instance method and not a
class method.


>       @browser = Watir::Browser.new :ie
>       @browser.speed = :fast
>     end
>
>     def shutdown
>

This should be called "teardown".


>       @browser.close
>     end
>   end
>
>   def test_001_login
>     login('some_url', 'some_user', 'some_passw')
>   end
> end
>
>
> And this is part of the library that contains the login function:
>
> require 'rubygems'
>
>  module Functions
>
>   def login(url, user, passw)
>     @browser.goto(url)
>     ...
>   end
> end
>
>
> This is the output:
> Started
> E
>
> ===============================================================================
> Error: test_001_login(Test_002)
>   NoMethodError: undefined method `goto' for nil:NilClass
> (...)
>      23:   end
>      24:
>      25:   def test_001_login
>   => 26:     login('some_url', 'some_user', 'some_passw')
>      27:   end
>      28:
>      29: end
>
> ===============================================================================
>
>
> Finished in 3.0043 seconds.
>
> 1 tests, 0 assertions, 0 failures, 1 errors, 0 pendings, 0 omissions, 0
> notifications
> 0% passed
>
> 0.33 tests/s, 0.00 assertions/s
>
> Any ideas?
>

@browser is not initialized.  See

http://en.wikibooks.org/wiki/Ruby_Programming/Unit_testing

Kind regards

robert



-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/

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<div dir=3D"ltr"><br><div class=3D"gmail_extra"><br><br><div class=3D"gmail=
_quote">On Mon, Apr 8, 2013 at 6:33 PM, T- Di <span dir=3D"ltr">&lt;<a href=
=3D"mailto:lists@ruby-forum.com" target=3D"_blank">lists@ruby-forum.com</a>=
&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-=
left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;p=
adding-left:1ex">Hi,<br>
<br>
I&#39;m having problems using a global variable defined in the my test<br>
class, which then is referenced in the libraries file. I&#39;m using Ruby<b=
r>
1.9.3p392 and test-unit 2.5.4<br>
<br>
Here is the code that runs the tests:<br>
<br>
require &#39;rubygems&#39;<br>
gem &#39;test-unit&#39;<br>
require &#39;test/unit&#39;<br>
require &#39;ci/reporter/rake/test_unit_loader&#39;<br>
load &#39;../lib/functions.rb&#39;<br>
require &#39;watir&#39;<br>
<br>
class Test_002 &lt; Test::Unit::TestCase<br>
<br>
=A0 include Functions<br>
<br>
=A0 class &lt;&lt; self<br>
=A0 =A0def startup<br></blockquote><div><br></div><div style>I think this s=
hould be called &quot;setup&quot; and be an instance method and not a class=
 method.</div><div style>=A0</div><blockquote class=3D"gmail_quote" style=
=3D"margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(20=
4,204,204);border-left-style:solid;padding-left:1ex">

=A0 =A0 =A0 @browser =3D Watir::Browser.new :ie<br>
=A0 =A0 =A0 @browser.speed =3D :fast<br>
=A0 =A0 end<br>
<br>
=A0 =A0 def shutdown<br></blockquote><div><br></div><div style>This should =
be called &quot;teardown&quot;.</div><div style>=A0</div><blockquote class=
=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left-width:1px;bo=
rder-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">

=A0 =A0 =A0 @browser.close<br>
=A0 =A0 end<br>
=A0 end<br>
<br>
=A0 def test_001_login<br>
=A0 =A0 login(&#39;some_url&#39;, &#39;some_user&#39;, &#39;some_passw&#39;=
)<br>
=A0 end<br>
end<br>
<br>
<br>
And this is part of the library that contains the login function:<br>
<br>
require &#39;rubygems&#39;<br>
<br>
=A0module Functions<br>
<br>
=A0 def login(url, user, passw)<br>
=A0 =A0 @browser.goto(url)<br>
=A0 =A0 ...<br>
=A0 end<br>
end<br>
<br>
<br>
This is the output:<br>
Started<br>
E<br>
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D<br>
Error: test_001_login(Test_002)<br>
=A0 NoMethodError: undefined method `goto&#39; for nil:NilClass<br>
(...)<br>
=A0 =A0 =A023: =A0 end<br>
=A0 =A0 =A024:<br>
=A0 =A0 =A025: =A0 def test_001_login<br>
=A0 =3D&gt; 26: =A0 =A0 login(&#39;some_url&#39;, &#39;some_user&#39;, &#39=
;some_passw&#39;)<br>
=A0 =A0 =A027: =A0 end<br>
=A0 =A0 =A028:<br>
=A0 =A0 =A029: end<br>
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D<br>
<br>
<br>
Finished in 3.0043 seconds.<br>
<br>
1 tests, 0 assertions, 0 failures, 1 errors, 0 pendings, 0 omissions, 0<br>
notifications<br>
0% passed<br>
<br>
0.33 tests/s, 0.00 assertions/s<br>
<br>
Any ideas?<br></blockquote><div>=A0</div><div style>@browser is not initial=
ized. =A0See</div><div style><br></div><div style><a href=3D"http://en.wiki=
books.org/wiki/Ruby_Programming/Unit_testing">http://en.wikibooks.org/wiki/=
Ruby_Programming/Unit_testing</a></div>
<div style><br></div><div style>Kind regards</div><div style><br></div><div=
 style>robert</div></div><br><br clear=3D"all"><div><br></div>-- <br>rememb=
er.guy do |as, often| as.you_can - without end<br><a href=3D"http://blog.ru=
bybestpractices.com/">http://blog.rubybestpractices.com/</a>
</div></div>

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