Re: first go at using Models: undefined method errors

[François Beausoleil]

First thing I'd do is add a logger to see what's going on. When you connect to 
the database, pass a Hash as a 2nd parameter with key :logger and a Logger 
instance, similar to this:

    require "logger"
    Sequel.connect "sqlite:memory", :logger => Logger.new(STDERR)

then check the log! You'll see each statement logged there, which may help 
identify the problem.

Bye,
François

Le 2011-05-25 à 07:01, Iain Barnett a écrit :

> Hi,
> 
> I'm having a go at using the Model stuff by converting some existing 
> (working) DBI code to use it and running it through RSpec I get this error:
> 
> Failures:
> 
>  1) Tweet save 
>     Failure/Error: t.from_user_id_str = user_id.to_s
>     NoMethodError:
>       undefined method `from_user_id_str=' for #<Tweet @values={}>
> 
> 
> I'm using an in-memory Sqlite3 database for the tests. I've tried various 
> combinations of things, adding a schema to the class or not, creating the 
> table prior to the tests or not. I can fill the table with test data using << 
> (confirmed through logging). I must be missing something but I'm stuck.
> 
> 
> Here's some code:
> 
>               
>    class Tweet < Sequel::Model(Repository.db[:tweets])
> 
>      set_schema do
>        primary_key :tweets_id    # my auto increment id
>        Bigint :id, null: false   #twitter's tweet id
>        Integer :from_user_id 
>        String :from_user, null: false
>        String :profile_image_url
>        Date :created_at, null: false, default: DateTime.now
>        String :text_of, null: false
>        String :iso_language_code, size: 2
>        String :source, size: 160
>        String :signature, size: 64
>      end
> 
>      create_table unless table_exists?
> 
>      def before_create
>        self.signature ||= Digest::SHA2.hexdigest( self.text_of )
>        super
>      end # def
>    end
> 
> and in RSpec:
> 
>    describe Tweet do
>    # before{ Setup.tweets } #creating the table before seems to make no 
> difference
>    # I can also fill it with data fine, so I know it's there and works
>     # after{ Repository.db.drop_table :tweets }
> 
>      let(:user_id) { rand(1000_000_000) }
>      let(:tweet) {
>        Tweet.new do |t|
>          t.from_user_id_str = user_id.to_s 
>          t.profile_image_url = 
> "http://a2.twimg.com/profile_images/123456789/IMG12345-67890123-4567_normal.jpg";
>          t.created_at = "Thu, 17 Mar 2011 20:10:14 +0000"
>          t.from_user = "iain_mk2"
>          t.text_of = "&quot;You are the light. The calm in the day.&quot; 
> That Stephen Malkmus knows how to write a lyric."
>          t.id = rand(100_000_000_000_000_000)
>          t.from_user_id = user_id
>          t.source = "&lt;a href=&quot;http://blackberry.com/twitter&quot; 
> rel=&quot;nofollow&quot;&gt;Twitter for BlackBerry\\u00ae&lt;/a&gt;"  
>        end
>      }
> 
>      subject { ... } # doesn't matter what is run here
>    end # Tweet
> 
> 
> Any help is much appreciated.
> 
> Regards,
> Iain

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