Module: RSpec::SleepingKingStudios::Deferred::Dependencies

Parent Namespace

RSpec::SleepingKingStudios::Deferred

Extended Modules

SleepingKingStudios::Tools::Toolbox::Mixin

Defined In

lib/rspec/sleeping_king_studios/deferred/dependencies.rb

Table Of Contents

• Overview
  • Examples
• Defined Under Namespace
• Class Methods
  • check_dependencies_for

Overview

Mixin for declaring dependent methods for deferred example groups.

Each dependent method is expected to have a definition, either as a direct method definition (using the def keyword or define_method), or via a memoized helper (such as let).

When the deferred examples are included in an example group and that example group is run, a before(:context) hook will check for all of the declared dependencies of that example group. If any of the expected dependencies are not defined, the hook will raise an exception listing the missing methods, the deferred examples that expect that method, and the description provided.

Examples

module RocketExamples
  include RSpec::SleepingKingStudios::Deferred::Provider

  deferred_examples 'should launch the rocket' do
    include RSpec::SleepingKingStudios::Deferred::Dependencies

    depends_on :rocket,
      'an instance of Rocket where #launched? returns false'

    describe '#launch' do
      it 'should launch the rocket' do
        expect { rocket.launch }.to change(rocket, :launched?).to be true
      end
    end
  end
end

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Defined Under Namespace

Classes

MissingDependenciesError

Modules

ClassMethods

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Class Methods

.check_dependencies_for(example) => Object

Checks for missing dependent methods for the given example.

Parameters

• example (RSpec::Core::Example) — the example to check.

Raises

• (MissingDependenciesError) — if there are any dependencies missing for the given example.

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