Class: Transpec::Converter

Inherits:
BaseRewriter show all
Defined in:
lib/transpec/converter.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from BaseRewriter

#rewrite, #rewrite_file!

Constructor Details

#initialize(configuration = nil, runtime_data = nil, report = nil) ⇒ Converter



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# File 'lib/transpec/converter.rb', line 24

def initialize(configuration = nil, runtime_data = nil, report = nil)
  @configuration = configuration || Configuration.new
  @runtime_data = runtime_data
  @report = report || Report.new
  @invalid_context_errors = []
end

Instance Attribute Details

#configurationObject (readonly)

Returns the value of attribute configuration.



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# File 'lib/transpec/converter.rb', line 19

def configuration
  @configuration
end

#invalid_context_errorsObject (readonly)

Returns the value of attribute invalid_context_errors.



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# File 'lib/transpec/converter.rb', line 19

def invalid_context_errors
  @invalid_context_errors
end

#reportObject (readonly)

Returns the value of attribute report.



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# File 'lib/transpec/converter.rb', line 19

def report
  @report
end

#runtime_dataObject (readonly)

Returns the value of attribute runtime_data.



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# File 'lib/transpec/converter.rb', line 19

def runtime_data
  @runtime_data
end

Instance Method Details

#dispatch_node(node, ancestor_nodes, source_rewriter) ⇒ Object



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# File 'lib/transpec/converter.rb', line 37

def dispatch_node(node, ancestor_nodes, source_rewriter)
  Syntax.standalone_syntaxes.each do |syntax_class|
    next unless syntax_class.target_node?(node, @runtime_data)

    syntax = syntax_class.new(
      node,
      ancestor_nodes,
      source_rewriter,
      @runtime_data,
      @report
    )

    handler_name = "process_#{syntax_class.snake_case_name}"
    send(handler_name, syntax)

    break
  end
rescue OverlappedRewriteError # rubocop:disable HandleExceptions
rescue Syntax::InvalidContextError => error
  @invalid_context_errors << error
end

#need_to_modify_expectation_syntax_configuration?(rspec_configure) ⇒ Boolean



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# File 'lib/transpec/converter.rb', line 128

def need_to_modify_expectation_syntax_configuration?(rspec_configure)
  return false unless @configuration.convert_should?
  rspec_configure.expectation_syntaxes == [:should]
rescue Syntax::RSpecConfigure::UnknownSyntaxError
  false
end

#need_to_modify_mock_syntax_configuration?(rspec_configure) ⇒ Boolean



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# File 'lib/transpec/converter.rb', line 135

def need_to_modify_mock_syntax_configuration?(rspec_configure)
  return false if !@configuration.convert_should_receive? &&
                  !@configuration.convert_stub?
  rspec_configure.mock_syntaxes == [:should]
rescue Syntax::RSpecConfigure::UnknownSyntaxError
  false
end

#process(ast, source_rewriter) ⇒ Object



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# File 'lib/transpec/converter.rb', line 31

def process(ast, source_rewriter)
  AST::Scanner.scan(ast) do |node, ancestor_nodes|
    dispatch_node(node, ancestor_nodes, source_rewriter)
  end
end

#process_be_close(be_close) ⇒ Object



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# File 'lib/transpec/converter.rb', line 108

def process_be_close(be_close)
  be_close.convert_to_be_within! if @configuration.convert_deprecated_method?
end

#process_double(double) ⇒ Object



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# File 'lib/transpec/converter.rb', line 94

def process_double(double)
  double.convert_to_double! if @configuration.convert_deprecated_method?
end

#process_expect(expect) ⇒ Object



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# File 'lib/transpec/converter.rb', line 72

def process_expect(expect)
  if expect.have_matcher && @configuration.convert_have_items?
    expect.have_matcher.convert_to_standard_expectation!
  end
end

#process_method_stub(method_stub) ⇒ Object



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# File 'lib/transpec/converter.rb', line 98

def process_method_stub(method_stub)
  if @configuration.convert_stub?
    method_stub.allowize!
  elsif @configuration.convert_deprecated_method?
    method_stub.convert_deprecated_method!
  end

  method_stub.remove_allowance_for_no_message! if @configuration.convert_deprecated_method?
end

#process_raise_error(raise_error) ⇒ Object



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# File 'lib/transpec/converter.rb', line 112

def process_raise_error(raise_error)
  if @configuration.convert_deprecated_method?
    raise_error.remove_error_specification_with_negative_expectation!
  end
end

#process_rspec_configure(rspec_configure) ⇒ Object



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# File 'lib/transpec/converter.rb', line 118

def process_rspec_configure(rspec_configure)
  if need_to_modify_expectation_syntax_configuration?(rspec_configure)
    rspec_configure.modify_expectation_syntaxes!(:expect)
  end

  if need_to_modify_mock_syntax_configuration?(rspec_configure)
    rspec_configure.modify_mock_syntaxes!(:expect)
  end
end

#process_should(should) ⇒ Object



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# File 'lib/transpec/converter.rb', line 59

def process_should(should)
  if @configuration.convert_should?
    should.expectize!(
      @configuration.negative_form_of_to,
      @configuration.parenthesize_matcher_arg?
    )
  end

  if should.have_matcher && @configuration.convert_have_items?
    should.have_matcher.convert_to_standard_expectation!
  end
end

#process_should_receive(should_receive) ⇒ Object



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# File 'lib/transpec/converter.rb', line 78

def process_should_receive(should_receive)
  if should_receive.useless_expectation?
    if @configuration.convert_deprecated_method?
      if @configuration.convert_stub?
        should_receive.allowize_useless_expectation!(@configuration.negative_form_of_to)
      else
        should_receive.stubize_useless_expectation!
      end
    elsif @configuration.convert_should_receive?
      should_receive.expectize!(@configuration.negative_form_of_to)
    end
  elsif @configuration.convert_should_receive?
    should_receive.expectize!(@configuration.negative_form_of_to)
  end
end