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require 'spec_helper'
describe Immutable::Set do
describe '#join' do
context 'with a separator' do
[
[[], ''],
[['A'], 'A'],
[[DeterministicHash.new('A', 1), DeterministicHash.new('B', 2), DeterministicHash.new('C', 3)], 'A|B|C']
].each do |values, expected|
context "on #{values.inspect}" do
let(:set) { S[*values] }
it 'preserves the original' do
set.join('|')
set.should eql(S[*values])
end
it "returns #{expected.inspect}" do
set.join('|').should eql(expected)
end
end
end
end
context 'without a separator' do
[
[[], ''],
[['A'], 'A'],
[[DeterministicHash.new('A', 1), DeterministicHash.new('B', 2), DeterministicHash.new('C', 3)], 'ABC']
].each do |values, expected|
context "on #{values.inspect}" do
let(:set) { S[*values] }
it 'preserves the original' do
set.join
set.should eql(S[*values])
end
it "returns #{expected.inspect}" do
set.join.should eql(expected)
end
end
end
end
context 'without a separator (with global default separator set)' do
before { $, = '**' }
let(:set) { S[DeterministicHash.new('A', 1), DeterministicHash.new('B', 2), DeterministicHash.new('C', 3)] }
after { $, = nil }
context "on ['A', 'B', 'C']" do
it 'preserves the original' do
set.join
set.should eql(S[DeterministicHash.new('A', 1), DeterministicHash.new('B', 2), DeterministicHash.new('C', 3)])
end
it "returns #{@expected.inspect}" do
set.join.should == 'A**B**C'
end
end
end
end
end
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