From: Robert Klemme <shortcutter@...>
Date: 2007-10-20T21:25:01+09:00
Subject: Re: hash map during the creation of a new class instance?

On 20.10.2007 14:11, aidy.lewis@googlemail.com wrote:
> Hi Robert
> 
> On 20 Oct, 04:46, Robert Klemme <shortcut...@googlemail.com> wrote:
>> On 20.10.2007 13:22, aidy.le...@googlemail.com wrote:
>>
>>
>>> Is it possible to use a hash map during the creation of a new class
>>> instance?
>>
>>> E.g.
>>
>>> Test_Case_1.new(test = {:name => 'case_1'})
>>
>> And what should this do?
> 
> I was thiking of passing meaningful data into a test case class I have
> 
> class Test_Case_1
>   def initialize() #not sure as yet as to what to enter here
> 
>     log.detail_test_case(test[:name],  .....])
> 
> I dont want to hard code the data into the class, and was thinking of
> passing test data during initialisation. I could then initialise the
> class x number of times with different test data.
> 
> 
> 
>>
>>> If so, what would the syntax be in the class initialisation method
>>
>>> class Test_Case_1
>>>   def initialize(test[:name])  ?
>>
>> As with every method you can this syntax for invoking methods:
>>
>>
>> irb(main):001:0> def foo(h) h end
>> => nil
>> irb(main):002:0> foo(:name => "hello", :age => 22)
>> => {:name=>"hello", :age=>22}
> 
> So, I can put a placeholder in this method
> 
> def initialize(x)

"x" is called a "parameter".

http://en.wikipedia.org/wiki/Parameter_%28computer_science%29

In your case you can simply do

def initialize(test)
   log.detail_test_case(test[:name],  .....])
end

And then

tc = TestCase1.new(:name => "test 1", :run => 1)

>> It depends on what you want to do how you would implement initialize here.
>>
>   My aim is put put test data somewhere meaningful, but for the tests
> to be easily read.
> 
>   log.detail_test_case(test[:name], test[:description])
>   browser.goto(test[:url])
> 
>> Kind regards
>>
>>
>>         robert
>>
>>
>   Your advice is highly appreciated.
> 
> aidy

Cheers

	robert