Class: RSpec::Core::ExampleGroup

Inherits:
Object
  • Object
show all
Defined in:
opal/opal/rspec/async/example_group.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.process_descendants(our_examples_result, reporter) ⇒ Object 



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# File 'opal/opal/rspec/async/example_group.rb', line 16

def self.process_descendants(our_examples_result, reporter)
  descendants = ordering_strategy.order(children)
  return Promise.value(our_examples_result) if descendants.empty?

  results_for_descendants = []
  # Can use true for this because we're AND'ing everything anyways
  seed = Promise.value(true)
  latest_descendant = descendants.inject(seed) do |previous_promise, next_descendant|
    previous_promise.then do |result|
      results_for_descendants << result
      next_descendant.run reporter
    end
  end
  latest_descendant.then do |result|
    results_for_descendants << result
    our_examples_result && results_for_descendants.all?
  end
end

.run(reporter) ⇒ Object

Promise oriented version



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# File 'opal/opal/rspec/async/example_group.rb', line 36

def self.run(reporter)
  if RSpec.world.wants_to_quit
    RSpec.world.clear_remaining_example_groups if top_level?
    return
  end

  reporter.example_group_started(self)
  Promise.value(true).then do
    run_before_context_hooks(new)
  end.then do
    run_examples(reporter)
  end.then do |our_examples_result|
    process_descendants(our_examples_result, reporter)
  end.rescue do |ex|
    result = if ex.is_a? Pending::SkipDeclaredInExample
      for_filtered_examples(reporter) { |example| example.skip_with_exception(reporter, ex) }
    else
      RSpec.world.wants_to_quit = true if fail_fast?
      for_filtered_examples(reporter) { |example| example.fail_with_exception(reporter, ex) }
    end
    result
  end.always do |result|
    run_after_context_hooks(new)
    before_context_ivars.clear
    reporter.example_group_finished(self)
    # promise always do not behave exactly like ensure, need to be explicit about value being returned
    result
  end
end

.run_examples(reporter) ⇒ Object

Promise oriented version



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# File 'opal/opal/rspec/async/example_group.rb', line 67

def self.run_examples(reporter)
  examples = ordering_strategy.order(filtered_examples)
  return Promise.value(true) if examples.empty?

  example_promise = lambda do |example|
    next Promise.value(nil) if RSpec.world.wants_to_quit
    instance = new
    set_ivars(instance, before_context_ivars)
    # Always returns a promise since we modified the Example class
    example.run(instance, reporter)
  end

  results = []
  # Can use true for this because we're AND'ing everything anyways
  seed = Promise.value(true)
  latest_promise = examples.inject(seed) do |previous_promise, next_example|
    previous_promise.then do |succeeded|
      RSpec.world.wants_to_quit = true if fail_fast? && !succeeded
      results << succeeded
      example_promise[next_example]
    end
  end

  latest_promise.then do |succeeded|
    RSpec.world.wants_to_quit = true if fail_fast? && !succeeded
    results << succeeded
    results.all?
  end
end

Instance Method Details

#delay(duration, &block) ⇒ Object

Parameters:

  • duration (Integer, Float) —

    time in seconds to wait



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# File 'opal/opal/rspec/async/example_group.rb', line 5

def delay(duration, &block)
  `setTimeout(block, duration * 1000)`
  self
end

#delay_with_promise(duration, &block) ⇒ Object 



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# File 'opal/opal/rspec/async/example_group.rb', line 10

def delay_with_promise(duration, &block)
  result = Promise.new
  delay(duration) { result.resolve }
  result.then &block
end