require 'abstract_unit' require 'active_support/testing/stream' class TestHelperMailer < ActionMailer::Base def test @world = "Earth" mail body: render(inline: "Hello, <%= @world %>"), to: "test@example.com", from: "tester@example.com" end end class TestHelperMailerTest < ActionMailer::TestCase include ActiveSupport::Testing::Stream def test_setup_sets_right_action_mailer_options assert_equal :test, ActionMailer::Base.delivery_method assert ActionMailer::Base.perform_deliveries assert_equal [], ActionMailer::Base.deliveries end def test_setup_creates_the_expected_mailer assert_kind_of Mail::Message, @expected assert_equal "1.0", @expected.mime_version assert_equal "text/plain", @expected.mime_type end def test_mailer_class_is_correctly_inferred assert_equal TestHelperMailer, self.class.mailer_class end def test_determine_default_mailer_raises_correct_error assert_raise(ActionMailer::NonInferrableMailerError) do self.class.determine_default_mailer("NotAMailerTest") end end def test_charset_is_utf_8 assert_equal "UTF-8", charset end def test_encode assert_equal '=?UTF-8?Q?This_is_=E3=81=82_string?=', encode('This is あ string') end def test_read_fixture assert_equal ['Welcome!'], read_fixture('welcome') end def test_assert_emails assert_nothing_raised do assert_emails 1 do TestHelperMailer.test.deliver_now end end end def test_repeated_assert_emails_calls assert_nothing_raised do assert_emails 1 do TestHelperMailer.test.deliver_now end end assert_nothing_raised do assert_emails 2 do TestHelperMailer.test.deliver_now TestHelperMailer.test.deliver_now end end end def test_assert_emails_with_no_block assert_nothing_raised do TestHelperMailer.test.deliver_now assert_emails 1 end assert_nothing_raised do TestHelperMailer.test.deliver_now TestHelperMailer.test.deliver_now assert_emails 3 end end def test_assert_no_emails assert_nothing_raised do assert_no_emails do TestHelperMailer.test end end end def test_assert_emails_too_few_sent error = assert_raise ActiveSupport::TestCase::Assertion do assert_emails 2 do TestHelperMailer.test.deliver_now end end assert_match(/2 .* but 1/, error.message) end def test_assert_emails_too_many_sent error = assert_raise ActiveSupport::TestCase::Assertion do assert_emails 1 do TestHelperMailer.test.deliver_now TestHelperMailer.test.deliver_now end end assert_match(/1 .* but 2/, error.message) end def test_assert_no_emails_failure error = assert_raise ActiveSupport::TestCase::Assertion do assert_no_emails do TestHelperMailer.test.deliver_now end end assert_match(/0 .* but 1/, error.message) end def test_assert_enqueued_emails assert_nothing_raised do assert_enqueued_emails 1 do silence_stream($stdout) do TestHelperMailer.test.deliver_later end end end end def test_assert_enqueued_emails_too_few_sent error = assert_raise ActiveSupport::TestCase::Assertion do assert_enqueued_emails 2 do silence_stream($stdout) do TestHelperMailer.test.deliver_later end end end assert_match(/2 .* but 1/, error.message) end def test_assert_enqueued_emails_too_many_sent error = assert_raise ActiveSupport::TestCase::Assertion do assert_enqueued_emails 1 do silence_stream($stdout) do TestHelperMailer.test.deliver_later TestHelperMailer.test.deliver_later end end end assert_match(/1 .* but 2/, error.message) end def test_assert_no_enqueued_emails assert_nothing_raised do assert_no_enqueued_emails do TestHelperMailer.test.deliver_now end end end def test_assert_no_enqueued_emails_failure error = assert_raise ActiveSupport::TestCase::Assertion do assert_no_enqueued_emails do silence_stream($stdout) do TestHelperMailer.test.deliver_later end end end assert_match(/0 .* but 1/, error.message) end end class AnotherTestHelperMailerTest < ActionMailer::TestCase tests TestHelperMailer def setup @test_var = "a value" end def test_setup_shouldnt_conflict_with_mailer_setup assert_kind_of Mail::Message, @expected assert_equal 'a value', @test_var end end