T-89: Set up Rubocop for RSpec (#86)

* T-89: Set up Rubocop for RSpec

* T-89: Autocorrect specs

* T-89: Fix when issues

* T-89: Fix specs for Temperature#inspect

* T-89: Fix specs for Temperature#coerce

* T-89: Fix specs for Temperature#<=>

* T-89: Fix specs for Temperature#<=>

* T-89: Fix specs for Temperature#to_celsius, Temperature#to_fahrenheit, Temperature#to_kelvin, and Temperature#to_rankine

* T-89: Fix specs for Temperature#set_scale

* T-89: Lets for Temperature#<=>

* T-89: Lets for Temperature#set_degrees

* T-89: Fix specs for Temperature#inspect

* T-89: Fix specs for Temperature#coerce

* T-89: Fix specs for Temperature#==, and Temperature#<=>

* T-89: Lets for Temperature#==

* T-89: Fix specs for Temperature#set_scale

* T-89: Fix specs for Temperature#to_celsius, Temperature#to_fahrenheit, Temperature#to_kelvin, and Temperature#to_rankine

* T-89: Messages for errors

* T-89: Fix specs for Temperature#to_celsius, Temperature#to_fahrenheit, Temperature#to_kelvin, and Temperature#to_rankine

* T-89: Fix specs for Temperature#to_celsius, Temperature#to_fahrenheit, Temperature#to_kelvin, and Temperature#to_rankine

* T-89: Fix specs for Temperature.[]

* T-89: rename memoize methods descriptions

* T-89: rename tempeture to temperature

* T-89: TODO - Find a way to avoid deeply nested contexts

* T-89: Remove .with(0, celsius) until Ruby 3.0

* T-89: Remove enters from description

* T-89: Add and_call_original

.rubocop.yml

@@ -1,10 +1,18 @@
+inherit_from:
+  - .rubocop_rspec.yml
+
 ##
 # Standard based Rubocop config.
 # - https://github.com/testdouble/standard
 # - https://github.com/testdouble/standard#usage-via-rubocop
 # - https://evilmartians.com/chronicles/rubocoping-with-legacy-bring-your-ruby-code-up-to-standard
 #
 require:
+  ##
+  # Rubocop for RSpec files.
+  # https://github.com/rubocop/rubocop-rspec#usage
+  #
+  - rubocop-rspec
   ##
   # NOTE: `rubocop-performance' is automatically bundled with Standard.
   #

.rubocop_rspec.yml

@@ -0,0 +1,58 @@
+##
+# Standard based Rubocop config suggested by Evil Martians.
+# - https://evilmartians.com/chronicles/rubocoping-with-legacy-bring-your-ruby-code-up-to-standard
+# - https://github.com/testdouble/standard
+#
+# Copied without any modifications from:
+# https://gist.github.com/palkan/623c0816b05ed246bfe0cb406050990a
+#
+require:
+  - rubocop-rspec
+
+RSpec/Focus:
+  Enabled: true
+
+RSpec/EmptyExampleGroup:
+  Enabled: true
+
+RSpec/EmptyLineAfterExampleGroup:
+  Enabled: true
+
+RSpec/EmptyLineAfterFinalLet:
+  Enabled: true
+
+RSpec/EmptyLineAfterHook:
+  Enabled: true
+
+RSpec/EmptyLineAfterSubject:
+  Enabled: true
+
+RSpec/HookArgument:
+  Enabled: true
+
+RSpec/HooksBeforeExamples:
+  Enabled: true
+
+RSpec/ImplicitExpect:
+  Enabled: true
+
+RSpec/IteratedExpectation:
+  Enabled: true
+
+RSpec/LetBeforeExamples:
+  Enabled: true
+
+RSpec/MissingExampleGroupArgument:
+  Enabled: true
+
+RSpec/ReceiveCounts:
+  Enabled: true
+
+RSpec/Capybara/CurrentPathExpectation:
+  Enabled: true
+
+RSpec/FactoryBot/AttributeDefinedStatically:
+  Enabled: true
+
+RSpec/FactoryBot/CreateList:
+  Enabled: true

basic_temperature.gemspec

@@ -36,6 +36,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "rerun"
   spec.add_development_dependency "rspec", "~> 3.0"
   spec.add_development_dependency "rubocop"
+  spec.add_development_dependency "rubocop-rspec"
   spec.add_development_dependency "standard"
   spec.add_development_dependency "sdoc"
   spec.add_development_dependency "simplecov"