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Contents
require 'spec_helper'
module Alf
module Engine
describe Semi::Hash do
let(:suppliers) {[
{:sid => 'S1', :city => 'London'},
{:sid => 'S2', :city => 'Paris'},
{:sid => 'S3', :city => 'Paris'}
]}
let(:statuses) {[
{:sid => 'S1', :status => 20},
{:sid => 'S3', :status => 30}
]}
context "when used in matching mode" do
it 'should filter not matching tuples' do
expected = [
{:sid => 'S1', :city => 'London'},
{:sid => 'S3', :city => 'Paris'}
]
Semi::Hash.new(suppliers, statuses, true).to_a.should eq(expected)
end
it 'should return whole operand against DEE' do
Semi::Hash.new(suppliers, [{}], true).to_a.should eq(suppliers)
end
it 'should return an empty operand against DUM' do
Semi::Hash.new(suppliers, [], true).to_a.should eq([])
end
end # matching mode
context "when used in non matching mode" do
it 'should filter matching tuples' do
expected = [
{:sid => 'S2', :city => 'Paris'},
]
Semi::Hash.new(suppliers, statuses, false).to_a.should eq(expected)
end
it 'should return whole operand against DUM' do
Semi::Hash.new(suppliers, [], false).to_a.should eq(suppliers)
end
it 'should return an empty operand against DEE' do
Semi::Hash.new(suppliers, [{}], false).to_a.should eq([])
end
end # non matching mode
end
end # module Engine
end # module Alf
Version data entries
9 entries across 9 versions & 2 rubygems