Class: Strut::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/strut/parser.rb

Constant Summary collapse

X_SCENARIO_PREFIX = 
"x-scenario-"

Instance Method Summary collapse

Constructor Details

#initialize(namespace) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/strut/parser.rb', line 12

def initialize(namespace)
  @namespace = namespace
  @command_factory = SlimCommandFactory.new
  @document_builder = DocumentBuilder.new
  @interaction_factory = InteractionFactory.new
  @scenario_builder = ScenarioBuilder.new(@document_builder, @command_factory)
  @scenario_number = 1
end

Instance Method Details

#append_import_command ⇒ Object 



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# File 'lib/strut/parser.rb', line 28

def append_import_command
  metadata = CommandMetadata.new(1)
  import_command = @command_factory.make_import_command(metadata, @namespace)
  @document_builder.append_command(import_command)
end

#extract_scenarios(node) ⇒ Object 



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# File 'lib/strut/parser.rb', line 34

def extract_scenarios(node)
  wrapped_node = {"value" => node, "line" => 0}
  extract_scenarios_for_node("", wrapped_node, [])
end

#extract_scenarios_for_children(scenario_number, node, path_stack) ⇒ Object 



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# File 'lib/strut/parser.rb', line 49

def extract_scenarios_for_children(scenario_number, node, path_stack)
  return unless node.respond_to?(:each_pair)
  node.each_pair do |child_node_name, child_node|
    next_path_stack = path_stack + [child_node_name]
    extract_scenarios_for_node(child_node_name.to_s, child_node, next_path_stack)
  end
end

#extract_scenarios_for_node(node_name, node, path_stack) ⇒ Object 



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# File 'lib/strut/parser.rb', line 39

def extract_scenarios_for_node(node_name, node, path_stack)
  if node_name.start_with?(X_SCENARIO_PREFIX)
    fixture = node_name.gsub(/^#{X_SCENARIO_PREFIX}/, "")
    interaction = @interaction_factory.make_interaction(path_stack)
    @scenario_number = @scenario_builder.extract_scenarios_for_interaction(@scenario_number, interaction, fixture, node)
  else
    extract_scenarios_for_children(@scenario_number, node["value"], path_stack)
  end
end

#parse(yaml) ⇒ Object 



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# File 'lib/strut/parser.rb', line 21

def parse(yaml)
  parsed_yaml = Psych::parse_yaml(yaml)
  append_import_command
  extract_scenarios(parsed_yaml)
  @document_builder.document
end