Class: Canopus::TestRunner::RSpec

Inherits:
Object
  • Object
show all
Defined in:
lib/canopus/test_runner/rspec.rb

Constant Summary collapse

MAX_NODES = 
100_000
MAX_GROUP_DEPTH = 
32
MAX_NAME_BYTES = 
4_096
GROUPS = 
%i[describe context feature fdescribe xdescribe fcontext xcontext].freeze
EXAMPLES = 
%i[it specify example scenario fit focus fspecify xit xspecify xexample fexample fscenario xscenario skip].freeze

Instance Method Summary collapse

Instance Method Details

#candidate?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/canopus/test_runner/rspec.rb', line 12

def candidate?(path)
  TestRunner.framework_for(path) == :rspec
end

#discover(root, path:, limit:, cancelled:) ⇒ Object 



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# File 'lib/canopus/test_runner/rspec.rb', line 16

def discover(root, path:, limit:, cancelled:)
  require "prism"
  path = path.dup.freeze
  tests, visited = [], 0
  stack = [[root, [].freeze, "".freeze, false]]
  until stack.empty? || tests.length >= limit
    break if cancelled.call
    node, groups, full_description, parent_module = stack.pop
    break if (visited += 1) > MAX_NODES

    if node.is_a?(Prism::DefNode)
      next
    elsif node.is_a?(Prism::CallNode)
      if group_call?(node) && groups.length < MAX_GROUP_DEPTH && (details = group_name(node))
        group, last_module = details
        separator = !full_description.empty? && !(parent_module && group.match?(/\A(?:#|::|\.)/)) ? " " : ""
        nested_description = "#{full_description}#{separator}#{group}".freeze
        stack << [node.block.body, [*groups, group].freeze, nested_description, last_module] if node.block.body
        next
      elsif !groups.empty? && EXAMPLES.include?(node.name) && !node.receiver && (name = literal_name(node.arguments&.arguments&.first))
        add(tests, path, name, groups, full_description, node)
        next
      end
      next if node.block
    end
    node.compact_child_nodes.reverse_each do |child|
      stack << [child, groups, full_description, parent_module]
    end
  end
  tests.freeze
end