# vim: set nosta noet ts=4 sw=4 ft=rspec:

require_relative '../../spec_helpers'

describe Ezmlm::List::Thread do

	before( :all ) do

		@listdir = make_listdir()

	end

	after( :all ) do

		rm_r( @listdir )

	end

	let( :list ) do

		Ezmlm::List.new( @listdir )

	end

	let ( :thread_id ) { "hdohjgmgfakappbhjnkp" }

	context 'instantiating' do

		it 'raises error if provided an unknown list object' do

			expect {

				described_class.new( true, 1 )

			}.to raise_error( ArgumentError, /unknown list/i )

		end

		it 'raises error if thread indexing is disabled' do

			expect( list ).to receive( :archived? ).and_return( false )

			expect {

				described_class.new( list, thread_id )

			}.to raise_error( RuntimeError, /archiving is not enabled/i )

		end

		it 'raises error if passed a malformed thread ID' do

			expect {

				described_class.new( list, 'whatever' )

			}.to raise_error( ArgumentError, /malformed/i )

		end

		it 'raises error when unable to read thread file' do

			allow( list ).to receive( :listdir ).and_return( Pathname('/nope') )

			expect( list ).to receive( :archived? ).and_return( true )

			expect {

				described_class.new( list, thread_id )

			}.to raise_error( RuntimeError, /unknown thread/i )

		end

		it 'parses a thread index from the archive' do

			thread = described_class.new( list, thread_id  )

			expect( thread ).to be_a( Ezmlm::List::Thread )

		end

		context 'an instance of' do

			let( :thread ) { described_class.new( list, thread_id ) }

			it 'knows its subject' do

				expect( thread.subject ).to match( /ai on the microchip/i )

			end

			it 'contains a list of message ids' do

				expect( thread.messages ).to eq( [20, 108] )

			end

			it 'contains a list of author ids' do

				expect( thread.authors ).to eq( ["mdncdmmkeffdjkopffbj", "ffcambaeljjifcodfjoc"] )

			end

			it 'holds messages that belong to the thread' do

				expect( thread.messages.size ).to be( 2 )

				expect( thread.first.subject ).to match( /microchip/i )

				expect( thread.first.body.to_s ).to match( /protocol/i )

				expect( thread.first.from.first ).to match( /block@example.net/i )

			end

			it 'is enumerable' do

				expect( thread.any?{|m| m.id == 20 }).to be_truthy

			end

		end

	end

end