Contents

#####################################################################
# test_attempt.rb
#
# Test case for the attempt library. You should run this test case
# via the 'rake test' Rakefile task.
#
# TODO: Test that an Attempt::Warning is raised.
#####################################################################
require 'test-unit'
require 'attempt'
require 'stringio'

class TC_Attempt < Test::Unit::TestCase
  def self.startup
    $stderr = StringIO.new
  end

  def setup
    @tries    = 2
    @interval = 0.1
    @timeout  = 0.1
    $value    = 0
  end

  test "version constant is set to expected value" do
    assert_equal('0.5.1', Attempt::VERSION)
    assert_true(Attempt::VERSION.frozen?)
  end

  test "attempt works as expected without arguments" do
    assert_nothing_raised{ attempt{ 2 + 2 } }
  end

  test "attempt retries the number of times specified" do
    assert_nothing_raised{ attempt(tries: @tries){ $value += 1; raise if $value < 2 } }
    assert_equal(2, $value)
  end

  test "attempt retries the number of times specified with interval" do
    assert_nothing_raised{
      attempt(tries: @tries, interval: @interval){ $value += 1; raise if $value < 2 }
    }
  end

  test "attempt retries the number of times specified with interval and timeout" do
    assert_nothing_raised{
      attempt(tries: @tries, interval: @interval, timeout: @timeout){ $value += 1; raise if $value < 2 }
    }
  end

  test "attempt raises a timeout error if timeout value is exceeded" do
    assert_raises(Timeout::Error){ attempt(tries: 1, interval: 1, timeout: @timeout){ sleep 5 } }
  end

  test "attempt raises exception as expected" do
    assert_raises(RuntimeError){ attempt(tries: 2, interval: 2){ raise } }
  end

  def teardown
    @tries    = nil
    @interval = nil
    @timeout  = nil
    $value    = 0
  end

  def self.shutdown
    $stderr = STDERR
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
attempt-0.5.1	test/test_attempt.rb