Class: ParseTreeTestCase

Inherits:
MiniTest::Unit::TestCase
  • Object
show all
Defined in:
lib/pt_testcase.rb

Constant Summary collapse

@@testcase_order =

Shared TestCases:

%w(Ruby RawParseTree ParseTree)
@@testcases = 
Hash.new { |h,k| h[k] = {} }

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#processor ⇒ Object

to be defined by subclass



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# File 'lib/pt_testcase.rb', line 36

def processor
  @processor
end

Class Method Details

.add_18tests(name, hash) ⇒ Object 



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# File 'lib/pt_testcase.rb', line 74

def self.add_18tests name, hash
  add_tests "#{name}__18", hash
end

.add_19tests(name, hash) ⇒ Object 



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# File 'lib/pt_testcase.rb', line 78

def self.add_19tests name, hash
  add_tests "#{name}__19", hash
end

.add_test(name, data, klass = self.name[4..-1]) ⇒ Object 



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# File 'lib/pt_testcase.rb', line 49

def self.add_test name, data, klass = self.name[4..-1]
  name = name.to_s
  klass = klass.to_s

  if testcases.has_key? name then
    if testcases[name].has_key? klass then
      warn "testcase #{klass}##{name} already has data"
    else
      testcases[name][klass] = data
    end
  else
    warn "testcase #{name} does not exist"
  end
end

.add_tests(name, hash) ⇒ Object 



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# File 'lib/pt_testcase.rb', line 64

def self.add_tests name, hash
  name = name.to_s

  hash.each do |klass, data|
    warn "testcase #{klass}##{name} already has data" if
      testcases[name].has_key? klass
    testcases[name][klass] = data
  end
end

.clone_same ⇒ Object 



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# File 'lib/pt_testcase.rb', line 82

def self.clone_same
  @@testcases.each do |node, data|
    data.each do |key, val|
      if val == :same then
        prev_key = self.previous(key)
        data[key] = data[prev_key].deep_clone
      end
    end
  end
end

.copy_test_case(nonverbose, klass) ⇒ Object 



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# File 'lib/pt_testcase.rb', line 93

def self.copy_test_case nonverbose, klass
  verbose = nonverbose + "_mri_verbose_flag"
  testcases[verbose][klass] = testcases[nonverbose][klass]
end

.generate_test(klass, node, data, input_name, output_name) ⇒ Object 



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# File 'lib/pt_testcase.rb', line 98

def self.generate_test klass, node, data, input_name, output_name
  klass.send :define_method, "test_#{node}" do
    flunk "Processor is nil" if processor.nil?

    if node =~ /(1[89])$/ then
      version = $1
      skip "version specific test" unless self.class.name =~ /#{version}/
    end

    assert data.has_key?(input_name), "Unknown input data"
    assert data.has_key?(output_name), "Missing test data"

    $missing[node] << output_name unless data.has_key? output_name

    input    = data[input_name].deep_clone
    expected = data[output_name].deep_clone

    case expected
    when :unsupported then
      assert_raises(UnsupportedNodeError) do
        processor.process(input)
      end
    else
      extra_expected = []
      extra_input = []

      _, expected, extra_expected = *expected if
        Array === expected and expected.first == :defx
      _, input, extra_input = *input if
        Array === input and input.first == :defx

      # OMG... I can't believe I have to do this this way.  these
      # hooks are here instead of refactoring this define_method
      # body into an assertion. It'll allow subclasses to hook in
      # and add behavior before or after the processor does it's
      # thing. If you go the body refactor route, some of the
      # RawParseTree test cases fail for completely bogus reasons.

      before_process_hook klass, node, data, input_name, output_name
      refute_nil data[input_name], "testcase does not exist?"
      @result = processor.process input
      assert_equal(expected, @result,
                   "failed on input: #{data[input_name].inspect}")
      after_process_hook klass, node, data, input_name, output_name

      extra_input.each do |extra|
        processor.process(extra)
      end
      extra = processor.extra_methods rescue []
      assert_equal extra_expected, extra
    end
  end
end

.generate_tests(klass) ⇒ Object 



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# File 'lib/pt_testcase.rb', line 152

def self.generate_tests klass
  install_missing_reporter
  clone_same

  output_name = klass.name.to_s.sub(/^Test/, '')

  input_name = self.previous(output_name)

  @@testcases.each do |node, data|
    next if [:skip, :unsupported].include? data[input_name]
    next if data[output_name] == :skip

    generate_test klass, node, data, input_name, output_name
  end
end

.inherited(klass) ⇒ Object 



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# File 'lib/pt_testcase.rb', line 168

def self.inherited klass
  super

  generate_tests klass unless klass.name =~ /TestCase/
end

.install_missing_reporter ⇒ Object 



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# File 'lib/pt_testcase.rb', line 174

def self.install_missing_reporter
  unless defined? $missing then
    $missing = Hash.new { |h,k| h[k] = [] }
    at_exit {
      at_exit {
        warn ""
        $missing.sort.each do |name, klasses|
          warn "add_tests(#{name.inspect},"
          klasses.map! { |klass| "          #{klass.inspect} => :same" }
          warn klasses.join("\n") + ")"
        end
        warn ""
      }
    }
  end
end

.previous(key, extra = 0) ⇒ Object

FIX: remove R2C code



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# File 'lib/pt_testcase.rb', line 191

def self.previous(key, extra=0) # FIX: remove R2C code
  idx = @@testcase_order.index(key)

  raise "Unknown class #{key} in @@testcase_order" if idx.nil?

  case key
  when "RubyToRubyC" then
    idx -= 1
  end
  @@testcase_order[idx - 1 - extra]
end

.testcase_order ⇒ Object 



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# File 'lib/pt_testcase.rb', line 203

def self.testcase_order; @@testcase_order; end

.testcases ⇒ Object 



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# File 'lib/pt_testcase.rb', line 204

def self.testcases; @@testcases; end

.unsupported_tests(*tests) ⇒ Object 



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# File 'lib/pt_testcase.rb', line 206

def self.unsupported_tests *tests
  tests.flatten.each do |name|
    add_test name, :unsupported
  end
end

Instance Method Details

#after_process_hook(klass, node, data, input_name, output_name) ⇒ Object 



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# File 'lib/pt_testcase.rb', line 43

def after_process_hook klass, node, data, input_name, output_name
end

#before_process_hook(klass, node, data, input_name, output_name) ⇒ Object 



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# File 'lib/pt_testcase.rb', line 46

def before_process_hook klass, node, data, input_name, output_name
end

#setup ⇒ Object 



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# File 'lib/pt_testcase.rb', line 38

def setup
  super
  @processor = nil
end