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Versions: 10
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Contents
# coding: utf-8
require 'spec_helper'
RSpec.describe TTY::Table::Renderer, '#render' do
let(:header) { ['h1', 'h2', 'h3'] }
let(:rows) { [['a1', 'a2', 'a3'], ['b1', 'b2', 'b3']] }
let(:table) { TTY::Table.new(header, rows) }
subject { described_class.render(table, {}, &block) }
context 'when default' do
let(:renderer) { double(:renderer).as_null_object }
let(:renderer_class) { double(:renderer_class).as_null_object }
let(:yielded) { [] }
let(:block) { proc { |render| yielded << render } }
before { allow(described_class).to receive(:select).and_return(renderer_class) }
it 'creates renderer' do
subject
expect(renderer_class).to have_received(:new).with(table, {})
end
it 'yields renderer' do
allow(renderer_class).to receive(:new).and_return(renderer)
expect { subject }.to change { yielded}.from([]).to([renderer])
end
it 'calls render' do
allow(renderer_class).to receive(:new).and_return(renderer)
subject
expect(renderer).to have_received(:render)
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems