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Contents
# encoding: utf-8 require 'spec_helper' describe SQL::Generator::Relation, '#to_subquery' do subject { object.to_subquery } let(:described_class) { Class.new(SQL::Generator::Relation) } let(:id) { Attribute::Integer.new(:id) } let(:name) { Attribute::String.new(:name) } let(:age) { Attribute::Integer.new(:age, :required => false) } let(:header) { [ id, name, age ] } let(:body) { [ [ 1, 'Dan Kubb', 35 ] ].each } let(:base_relation) { Relation::Base.new('users', header, body) } let(:object) { described_class.new } context 'when no object visited' do it_should_behave_like 'an idempotent method' it { should respond_to(:to_s) } it { should be_frozen } its(:to_s) { should == '' } end context 'when an object is visited' do let(:visitable) { mock('Visitable') } before do described_class.class_eval do def visit_spec_mocks_mock(mock) @name = mock.instance_variable_get(:@name) @scope = Set.new end def generate_sql(columns) "SELECT #{columns} FROM #{@name}" end end object.visit(visitable) end it_should_behave_like 'a generated SQL expression' its(:to_s) { should eql('(SELECT * FROM Visitable)') } end end
Version data entries
4 entries across 4 versions & 1 rubygems