# encoding: utf-8 require 'spec_helper' describe Optimizer::Function::Predicate::Inclusion::OneRight, '#optimize' do subject { object.optimize } let(:attribute) { Attribute::Integer.new(:id) } let(:predicate) { attribute.include(operand) } let(:object) { described_class.new(predicate) } before do object.should be_optimizable end context 'when the operand contains a one entry Enumerable' do let(:operand) { [ 1 ] } it { should be_kind_of(Function::Predicate::Equality) } its(:left) { should equal(attribute) } its(:right) { should == 1 } end context 'when the operand contains a one entry inclusive Range' do let(:operand) { 1..1 } it { should be_kind_of(Function::Predicate::Equality) } its(:left) { should equal(attribute) } its(:right) { should == 1 } end context 'when the operand contains a one entry exclusive Range' do let(:operand) { 1...2 } it { should be_kind_of(Function::Predicate::Equality) } its(:left) { should equal(attribute) } its(:right) { should == 1 } end context 'when the operand contains one entry after filtering invalid entries' do let(:operand) { [ 'a', 1 ] } it { should be_kind_of(Function::Predicate::Equality) } its(:left) { should equal(attribute) } its(:right) { should == 1 } end context 'when the operand contains one entry after filtering duplicate entries' do let(:operand) { [ 1, 1 ] } it { should be_kind_of(Function::Predicate::Equality) } its(:left) { should equal(attribute) } its(:right) { should == 1 } end end