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Contents
require 'spec_helper'
describe EdgeRider::CollectColumn do
describe '#collect_column' do
it 'should collect the given value from a scope' do
Forum.create!(:id => 1, :name => 'Name 1')
Forum.create!(:id => 2, :name => 'Name 2')
Forum.create!(:id => 3, :name => 'Name 3')
scope = Forum.scoped(:conditions => { :id => [2, 3] })
scope.collect_column(:name).should =~ ['Name 2', 'Name 3']
end
it 'should collect the given value from an ActiveRecord class' do
Forum.create!(:id => 1, :name => 'Name 1')
Forum.create!(:id => 2, :name => 'Name 2')
Forum.collect_column(:name).should =~ ['Name 1', 'Name 2']
end
it 'should cast the collected value to their equivalent Ruby type' do
Post.create!
Post.collect_column(:created_at).first.should be_a(Time)
end
it 'should not instantiate ActiveRecord objects when collecting values' do
Forum.create!(:name => 'Name')
Forum.should_not_receive(:new)
Forum.collect_column(:name).should == ['Name']
end
it 'should qualify the column name to resolve any ambiguities' do
expect { Topic.scoped(:joins => :forum).collect_column(:id) }.to_not raise_error
end
context 'with :distinct option' do
it 'should return unique values' do
Forum.create!(:id => 1, :name => 'Name 1')
Forum.create!(:id => 2, :name => 'Name 2')
Forum.create!(:id => 3, :name => 'Name 2')
scope = Forum.scoped(:conditions => { :id => [2, 3] })
scope.collect_column(:name, :distinct => true).should =~ ['Name 2']
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems