Add basic tests for ActionDispatch::ExceptionWrapper
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actionpack/test/dispatch/exception_wrapper_test.rb
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66
actionpack/test/dispatch/exception_wrapper_test.rb
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require 'abstract_unit'
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module ActionDispatch
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class ExceptionWrapperTest < ActionDispatch::IntegrationTest
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class TestError < StandardError
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attr_reader :backtrace
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def initialize(*backtrace)
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@backtrace = backtrace.flatten
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end
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end
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setup do
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Rails.stubs(:root).returns(Pathname.new('.'))
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cleaner = ActiveSupport::BacktraceCleaner.new
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cleaner.add_silencer { |line| line !~ /^lib/ }
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@environment = { 'action_dispatch.backtrace_cleaner' => cleaner }
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end
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test '#source_extract fetches source fragments for every backtrace entry' do
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exception = TestError.new("lib/file.rb:42:in `index'")
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wrapper = ExceptionWrapper.new({}, exception)
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wrapper.expects(:source_fragment).with('lib/file.rb', 42).returns('foo')
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assert_equal [ code: 'foo', file: 'lib/file.rb', line_number: 42 ], wrapper.source_extract
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end
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test '#application_trace returns traces only from the application' do
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exception = TestError.new(caller.prepend("lib/file.rb:42:in `index'"))
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wrapper = ExceptionWrapper.new(@environment, exception)
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assert_equal [ "lib/file.rb:42:in `index'" ], wrapper.application_trace
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end
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test '#framework_trace returns traces outside the application' do
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exception = TestError.new(caller.prepend("lib/file.rb:42:in `index'"))
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wrapper = ExceptionWrapper.new(@environment, exception)
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assert_equal caller, wrapper.framework_trace
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end
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test '#full_trace returns application and framework traces' do
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exception = TestError.new(caller.prepend("lib/file.rb:42:in `index'"))
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wrapper = ExceptionWrapper.new(@environment, exception)
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assert_equal exception.backtrace, wrapper.full_trace
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end
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test '#traces returns every trace by category enumerated with an index' do
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exception = TestError.new("lib/file.rb:42:in `index'", "/gems/rack.rb:43:in `index'")
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wrapper = ExceptionWrapper.new(@environment, exception)
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assert_equal({
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'Application Trace' => [ id: 0, trace: "lib/file.rb:42:in `index'" ],
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'Framework Trace' => [ id: 1, trace: "/gems/rack.rb:43:in `index'" ],
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'Full Trace' => [
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{ id: 0, trace: "lib/file.rb:42:in `index'" },
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{ id: 1, trace: "/gems/rack.rb:43:in `index'" }
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]
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}, wrapper.traces)
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end
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end
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end
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