class Cucumber::Ast::TreeWalker
Walks the AST, executing steps and notifying listeners
Public Class Methods
new(runtime, listeners = [], configuration = Cucumber::Configuration.default)
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# File lib/cucumber/ast/tree_walker.rb, line 8 def initialize(runtime, listeners = [], configuration = Cucumber::Configuration.default) @runtime, @listeners, @configuration = runtime, listeners, configuration end
Public Instance Methods
embed(file, mime_type, label)
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Embed file
of mime_type
in the formatter. This
method can be called from within StepDefinitions. For most formatters
this is a no-op.
# File lib/cucumber/ast/tree_walker.rb, line 159 def embed(file, mime_type, label) broadcast(file, mime_type, label) end
execute(scenario, skip_hooks)
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# File lib/cucumber/ast/tree_walker.rb, line 12 def execute(scenario, skip_hooks) runtime.with_hooks(scenario, skip_hooks) do scenario.skip_invoke! if scenario.failed? visit_steps(scenario.steps) end end
puts(*messages)
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Print messages
. This method can be called from within StepDefinitions.
# File lib/cucumber/ast/tree_walker.rb, line 153 def puts(*messages) broadcast(*messages) end
visit_background(background)
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# File lib/cucumber/ast/tree_walker.rb, line 62 def visit_background(background) broadcast(background) do background.accept(self) end end
visit_background_name(keyword, name, file_colon_line, source_indent)
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# File lib/cucumber/ast/tree_walker.rb, line 68 def visit_background_name(keyword, name, file_colon_line, source_indent) broadcast(keyword, name, file_colon_line, source_indent) end
visit_comment(comment)
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# File lib/cucumber/ast/tree_walker.rb, line 31 def visit_comment(comment) broadcast(comment) do comment.accept(self) end end
visit_comment_line(comment_line)
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# File lib/cucumber/ast/tree_walker.rb, line 37 def visit_comment_line(comment_line) broadcast(comment_line) end
visit_doc_string(string)
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# File lib/cucumber/ast/tree_walker.rb, line 132 def visit_doc_string(string) broadcast(string) end
visit_examples(examples)
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# File lib/cucumber/ast/tree_walker.rb, line 78 def visit_examples(examples) broadcast(examples) do examples.accept(self) end end
visit_examples_array(examples_array)
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# File lib/cucumber/ast/tree_walker.rb, line 72 def visit_examples_array(examples_array) broadcast(examples_array) do examples_array.accept(self) end end
visit_examples_name(keyword, name)
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# File lib/cucumber/ast/tree_walker.rb, line 84 def visit_examples_name(keyword, name) broadcast(keyword, name) end
visit_feature(feature)
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# File lib/cucumber/ast/tree_walker.rb, line 25 def visit_feature(feature) broadcast(feature) do feature.accept(self) end end
visit_feature_element(feature_element)
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feature_element
is either Scenario
or ScenarioOutline
# File lib/cucumber/ast/tree_walker.rb, line 56 def visit_feature_element(feature_element) broadcast(feature_element) do feature_element.accept(self) end end
visit_feature_name(keyword, name)
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# File lib/cucumber/ast/tree_walker.rb, line 51 def visit_feature_name(keyword, name) broadcast(keyword, name) end
visit_features(features)
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# File lib/cucumber/ast/tree_walker.rb, line 19 def visit_features(features) broadcast(features) do features.accept(self) end end
visit_outline_table(outline_table)
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# File lib/cucumber/ast/tree_walker.rb, line 88 def visit_outline_table(outline_table) broadcast(outline_table) do outline_table.accept(self) end end
visit_scenario_name(keyword, name, file_colon_line, source_indent)
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# File lib/cucumber/ast/tree_walker.rb, line 94 def visit_scenario_name(keyword, name, file_colon_line, source_indent) broadcast(keyword, name, file_colon_line, source_indent) end
visit_step(step)
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# File lib/cucumber/ast/tree_walker.rb, line 104 def visit_step(step) broadcast(step) do step.accept(self) end end
visit_step_result(keyword, step_match, multiline_arg, status, exception, source_indent, background, file_colon_line)
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# File lib/cucumber/ast/tree_walker.rb, line 110 def visit_step_result(keyword, step_match, multiline_arg, status, exception, source_indent, background, file_colon_line) broadcast(keyword, step_match, multiline_arg, status, exception, source_indent, background, file_colon_line) do visit_step_name(keyword, step_match, status, source_indent, background, file_colon_line) visit_multiline_arg(multiline_arg) if multiline_arg visit_exception(exception, status) if exception end end
visit_steps(steps)
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# File lib/cucumber/ast/tree_walker.rb, line 98 def visit_steps(steps) broadcast(steps) do steps.accept(self) end end
visit_table_cell(table_cell)
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# File lib/cucumber/ast/tree_walker.rb, line 142 def visit_table_cell(table_cell) broadcast(table_cell) do table_cell.accept(self) end end
visit_table_cell_value(value, status)
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# File lib/cucumber/ast/tree_walker.rb, line 148 def visit_table_cell_value(value, status) broadcast(value, status) end
visit_table_row(table_row)
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# File lib/cucumber/ast/tree_walker.rb, line 136 def visit_table_row(table_row) broadcast(table_row) do table_row.accept(self) end end
visit_tag_name(tag_name)
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# File lib/cucumber/ast/tree_walker.rb, line 47 def visit_tag_name(tag_name) broadcast(tag_name) end
Private Instance Methods
broadcast(*args) { || ... }
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# File lib/cucumber/ast/tree_walker.rb, line 165 def broadcast(*args, &block) message = extract_method_name_from(caller) message.gsub!('visit_', '') if block_given? send_to_all("before_#{message}", *args) yield if block_given? send_to_all("after_#{message}", *args) else send_to_all(message, *args) end self end
extract_method_name_from(call_stack)
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# File lib/cucumber/ast/tree_walker.rb, line 185 def extract_method_name_from(call_stack) call_stack[0].match(/in `(.*)'/).captures[0] end
send_to_all(message, *args)
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# File lib/cucumber/ast/tree_walker.rb, line 178 def send_to_all(message, *args) @listeners.each do |listener| if listener.respond_to?(message) listener.__send__(message, *args) end end end