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Luciano Borges

2012-Apr-18 00:50 UTC

[rspec-users] [Newbie''s Doubt] Model''s Tests

I''m studying Rspec and doing some model''s tests.

I have a table with a field which must have two characters, the field
should not be empty and can not be repeated.

My doubts is with #.

describe State do
  context "validations" do

    it "The abbreviation should not be empty" do
      subject.abbreviation = nil
      subject.should_not be_valid
    end

    *# I can do like example below or I have to break in parts?*

    it "The abbreviation  should have 2 characters" do
      subject.abbreviation = "BA"
      subject.should be_valid

      subject.abbreviation = "B"
      subject.should_not be_valid

      subject.abbreviation = "BAA"
      subject.should_not be_valid
    end

    it "The abbreviation can not be repeated" do

*     # I don''t know how to do!*

    end
  end
end

Thanks,
Luciano
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Julian Leviston

2012-Apr-18 01:01 UTC

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[rspec-users] [Newbie''s Doubt] Model''s Tests

What do you mean repeated? You mean you can''t have an abbreviation with
two of the same letters?

Julian

On 18/04/2012, at 10:50 AM, Luciano Borges wrote:
> I''m studying Rspec and doing some model''s tests.
> 
> I have a table with a field which must have two characters, the field
should not be empty and can not be repeated.
> 
> My doubts is with #.
> 
> describe State do
>   context "validations" do
> 
>     it "The abbreviation should not be empty" do
>       subject.abbreviation = nil
>       subject.should_not be_valid
>     end
>       
>     # I can do like example below or I have to break in parts?
> 
>     it "The abbreviation  should have 2 characters" do
>       subject.abbreviation = "BA"
>       subject.should be_valid
>       
>       subject.abbreviation = "B"
>       subject.should_not be_valid
>       
>       subject.abbreviation = "BAA"
>       subject.should_not be_valid
>     end
> 
>     it "The abbreviation can not be repeated" do
> 
>      # I don''t know how to do!
> 
>     end
>   end
> end
> 
> Thanks,
> Luciano
> _______________________________________________
> rspec-users mailing list
> rspec-users at rubyforge.org
> http://rubyforge.org/mailman/listinfo/rspec-users
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Luciano Borges

2012-Apr-18 01:11 UTC

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[rspec-users] [Newbie''s Doubt] Model''s Tests

2012/4/17 Julian Leviston <julian at leviston.net>
> What do you mean repeated? You mean you can''t have an abbreviation
with
> two of the same letters?
>
> Julian
>
Hi Julian,

Yes. I cat''t have the same abbreviation on the table, I know that I
have to
put the validation in the model, but, I''d like to test first before
change
my model.

Luciano
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Julian Leviston

2012-Apr-18 01:30 UTC

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[rspec-users] [Newbie''s Doubt] Model''s Tests

oh you mean a check for uniqueness.

Is this rails? If it is, pretty sure you can do this:

item = Item.create(:abbreviation => "ab")
duplicate_item = Item.create(:abbreviation => "ab")
duplicate_item.new_record?.should_be true

or

item = Item.new(:abbreviation => "ab")
item.should_be valid
item.save
duplicate_item = Item.new(:abbreviation => "ab")
duplicate_item.should_not be_valid


On 18/04/2012, at 11:11 AM, Luciano Borges wrote:
> 2012/4/17 Julian Leviston <julian at leviston.net>
> What do you mean repeated? You mean you can''t have an abbreviation
with two of the same letters?
> 
> Julian
> 
> Hi Julian,
> 
> Yes. I cat''t have the same abbreviation on the table, I know that
I have to put the validation in the model, but, I''d like to test first
before change my model.
> 
> Luciano 
> _______________________________________________
> rspec-users mailing list
> rspec-users at rubyforge.org
> http://rubyforge.org/mailman/listinfo/rspec-users
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Lenny Marks

2012-Apr-18 01:33 UTC

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[rspec-users] [Newbie''s Doubt] Model''s Tests

On Apr 17, 2012, at 8:50 PM, Luciano Borges wrote:
> I''m studying Rspec and doing some model''s tests.
> 
> I have a table with a field which must have two characters, the field
should not be empty and can not be repeated.
> 
> My doubts is with #.
> 
> describe State do
>   context "validations" do
> 
>     it "The abbreviation should not be empty" do
>       subject.abbreviation = nil
>       subject.should_not be_valid
>     end
>       
>     # I can do like example below or I have to break in parts?
> 
>     it "The abbreviation  should have 2 characters" do
>       subject.abbreviation = "BA"
>       subject.should be_valid
>       
>       subject.abbreviation = "B"
>       subject.should_not be_valid
>       
>       subject.abbreviation = "BAA"
>       subject.should_not be_valid
>     end
> 
>     it "The abbreviation can not be repeated" do
> 
>      # I don''t know how to do!
> 
>     end
>   end
> end
With things like the above, I usually want the rule, followed by some examples.
I usually approach like below. Its nice to have it all right in the specdoc.

describe ''validations'' do
   ....
   describe ''abbreviation'', ''must be two unique
characters'' do
       specify ''AB is valid'' do
         subject.abbreviation = ''AB''
         subject.should be_valid
       end

       specify ''A is not valid'' do
         subject.abbreviation = ''A''
         subject.should_not be_valid
       end

      specify ''BAA is not valid'' do
        subject.abbreviation = ''BAA''
        subject.should_not be_valid
      end

I think it would be overkill for the above, but sometimes if I''m
throwing lots of examples at something (e.g. email address validation),
I''ll use a macro like below.

 describe ''abbreviation'', ''must be two unique
characters'' do
      def self.it_is_valid(abbreviation)
         specify "#{abbreviation} is valid" do
           subject.abbreviation = abbreviation
	   subject.should be_valid
         end
      end
      .....
      it_is_valid(''AB'')
      it_is_valid(''BA'')
      it_is_not_valid(''AA'')
      it_is_not_valid(''BAA'')
      .....
  
-lenny
          > 
> Thanks,
> Luciano
> _______________________________________________
> rspec-users mailing list
> rspec-users at rubyforge.org
> http://rubyforge.org/mailman/listinfo/rspec-users
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Lenny Marks

2012-Apr-18 01:52 UTC

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[rspec-users] [Newbie''s Doubt] Model''s Tests

Sorry! My posts are very delayed. 

On Apr 17, 2012, at 8:50 PM, Luciano Borges wrote:
> I''m studying Rspec and doing some model''s tests.
> 
> I have a table with a field which must have two characters, the field
should not be empty and can not be repeated.
> 
> My doubts is with #.
> 
> describe State do
>   context "validations" do
> 
>     it "The abbreviation should not be empty" do
>       subject.abbreviation = nil
>       subject.should_not be_valid
>     end
>       
>     # I can do like example below or I have to break in parts?
> 
>     it "The abbreviation  should have 2 characters" do
>       subject.abbreviation = "BA"
>       subject.should be_valid
>       
>       subject.abbreviation = "B"
>       subject.should_not be_valid
>       
>       subject.abbreviation = "BAA"
>       subject.should_not be_valid
>     end
> 
Hadn''t seen your entity was State before. You meant abbreviation must
be 2 characters and must be unique within the table. Anyway... my previous post
still partially relevant for the example above.
>     it "The abbreviation can not be repeated" do
> 
>      # I don''t know how to do!
> 
>     end
for unique constraints, I use something like below

describe ''code'' do
      ....
      it ''should be unique'' do
        attributes = @valid_attributes.merge(:code =>
''foo'')
        AgeLevel.create!(attributes)
        AgeLevel.new(attributes).should_not be_valid
      end

-lenny
>   end
> end
> 
> Thanks,
> Luciano
> _______________________________________________
> rspec-users mailing list
> rspec-users at rubyforge.org
> http://rubyforge.org/mailman/listinfo/rspec-users
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rspec users - Apr 2012 - [Newbie's Doubt] Model's Tests

[rspec-users] [Newbie''s Doubt] Model''s Tests

[rspec-users] [Newbie''s Doubt] Model''s Tests

[rspec-users] [Newbie''s Doubt] Model''s Tests

[rspec-users] [Newbie''s Doubt] Model''s Tests

[rspec-users] [Newbie''s Doubt] Model''s Tests

[rspec-users] [Newbie''s Doubt] Model''s Tests