61 lines
2 KiB
Ruby
61 lines
2 KiB
Ruby
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require 'abstract_unit'
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require 'stringio'
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require 'logger'
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class FailsafeTest < ActionController::TestCase
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FIXTURE_PUBLIC = "#{File.dirname(__FILE__)}/../fixtures/failsafe".freeze
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def setup
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@old_error_file_path = ActionController::Failsafe.error_file_path
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ActionController::Failsafe.error_file_path = FIXTURE_PUBLIC
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@app = mock
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@log_io = StringIO.new
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@logger = Logger.new(@log_io)
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@failsafe = ActionController::Failsafe.new(@app)
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@failsafe.stubs(:failsafe_logger).returns(@logger)
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end
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def teardown
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ActionController::Failsafe.error_file_path = @old_error_file_path
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end
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def app_will_raise_error!
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@app.expects(:call).then.raises(RuntimeError.new("Printer on fire"))
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end
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def test_calls_app_and_returns_its_return_value
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@app.expects(:call).returns([200, { "Content-Type" => "text/html" }, "ok"])
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assert_equal [200, { "Content-Type" => "text/html" }, "ok"], @failsafe.call({})
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end
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def test_writes_to_log_file_on_exception
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app_will_raise_error!
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@failsafe.call({})
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assert_match /Printer on fire/, @log_io.string # Logs exception message.
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assert_match /failsafe_test\.rb/, @log_io.string # Logs backtrace.
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end
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def test_returns_500_internal_server_error_on_exception
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app_will_raise_error!
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response = @failsafe.call({})
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assert_equal 3, response.size # It is a valid Rack response.
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assert_equal 500, response[0] # Status is 500.
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end
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def test_renders_error_page_file_with_erb
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app_will_raise_error!
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response = @failsafe.call({})
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assert_equal 500, response[0]
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assert_equal "hello my world", response[2].join
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end
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def test_returns_a_default_message_if_erb_rendering_failed
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app_will_raise_error!
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@failsafe.expects(:render_template).raises(RuntimeError.new("Harddisk is crashing"))
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response = @failsafe.call({})
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assert_equal 500, response[0]
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assert_match /500 Internal Server Error/, response[2].join
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assert_match %r(please read this web application's log file), response[2].join
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end
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end
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