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Contents
require File.expand_path(File.dirname(__FILE__)) + '/unit_helper'
require 'lhm/printer'
require 'logger'
describe Lhm::Printer do
include UnitHelper
describe 'percentage printer' do
before(:each) do
@printer = Lhm::Printer::Percentage.new
end
it 'prints the percentage' do
r, w = IO.pipe
Lhm.logger = Logger.new(w)
10.times do |i|
@printer.notify(i, 10)
assert_match(/#{i}\/10/, log_expression_message(r.gets))
end
end
it 'always prints a bigger message' do
@length = 0
def assert_length(printer)
new_length = printer.instance_variable_get(:@max_length)
assert new_length >= @length
@length = new_length
end
@printer.notify(10, 100)
assert_length(@printer)
@printer.notify(0, 100)
assert_length(@printer)
@printer.notify(1, 1000000)
assert_length(@printer)
@printer.notify(0, 0)
assert_length(@printer)
@printer.notify(0, nil)
assert_length(@printer)
end
it 'prints the end message' do
r, w = IO.pipe
Lhm.logger = Logger.new(w)
@printer.end
assert_equal(log_expression_message(r.gets), "100% complete\n")
end
it 'prints the exception message' do
r, w = IO.pipe
Lhm.logger = Logger.new(w)
e = StandardError.new('woops')
@printer.exception(e)
assert_equal(log_expression_message(r.gets), "failed: #{e}\n")
end
end
describe 'dot printer' do
before(:each) do
@printer = Lhm::Printer::Dot.new
end
it 'prints the dots' do
mock = MiniTest::Mock.new
10.times do
mock.expect(:write, :return_value, ['.'])
end
@printer.instance_variable_set(:@output, mock)
10.times { @printer.notify }
mock.verify
end
end
end
Version data entries
13 entries across 13 versions & 2 rubygems