lint fix rspec message spies

.gitattributes

@@ -0,0 +1 @@
+.rubocop_todo.yml linguist-generated

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/lint.yml

@@ -0,0 +1,24 @@
+name: Lint
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v6
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: "3.4"
+          bundler-cache: true
+      - name: RuboCop
+        run: bin/rubocop --format github --format clang

.github/workflows/ruby.yml

@@ -2,20 +2,29 @@ name: Ruby
 
 on:
   push:
-    branches: [ main ]
+    branches: [main]
   pull_request:
-    branches: [ main ]
+    branches: [main]
+
+permissions:
+  contents: read
 
 jobs:
   test:
-
     runs-on: ubuntu-latest
     strategy:
       matrix:
         ruby-version: ['3.1', '3.2', '3.3', '3.4', 'jruby-9.4', 'jruby-10.0']
 
     steps:
-    - uses: actions/checkout@v4
+    - name: Set up Java for JRuby 10.0
+      if: matrix.ruby-version == 'jruby-10.0'
+      uses: actions/setup-java@v5
+      with:
+        distribution: 'temurin'
+        java-version: '21'
+    - name: Checkout repository
+      uses: actions/checkout@v6
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:

.gitignore

@@ -2,7 +2,6 @@
 .bundle
 Gemfile.lock
 pkg/*
-bin/
 
 # Rubinius
 *.rbc

.rubocop.yml

@@ -0,0 +1,135 @@
+inherit_from: .rubocop_todo.yml
+
+plugins:
+  - rubocop-rake
+  - rubocop-rspec
+
+AllCops:
+  NewCops: enable
+
+# Bundler
+
+Bundler/OrderedGems:
+  # Sort the gemspec dependencies by logical order instead of alphabetical.
+  Enabled: false
+
+# Gemspec
+
+Gemspec/OrderedDependencies:
+  # Sort the gemspec dependencies by logical order instead of alphabetical.
+  Enabled: false
+
+# Layout
+
+Layout/FirstHashElementIndentation:
+  EnforcedStyle: consistent
+
+Layout/SpaceInsideArrayPercentLiteral:
+  # Sometimes spacing is used to align amounts.
+  Enabled: false
+
+# Lint
+
+Lint/BinaryOperatorWithIdenticalOperands:
+  # In specs we want to test instances of Money are really equal.
+  Exclude:
+    - 'spec/**/*'
+
+Lint/EmptyClass:
+  # Allow defining empty classes, since it can be used as a base class.
+  Enabled: false
+
+# RSpec
+
+RSpec/DescribedClass:
+  Exclude:
+    # Prefer Money.new(…) to described_class.new(…)
+    - 'spec/money_spec.rb'
+    - 'spec/money/formatting_spec.rb'
+
+RSpec/MultipleExpectations:
+  # Do not limit the amount of expectations in a spec
+  Enabled: false
+
+# Style
+
+Style/ClassAndModuleChildren:
+  # Sometimes the nested is better than the compact.
+  Enabled: false
+
+Style/Documentation:
+  # Not all modules need a comment.
+  Enabled: false
+
+Style/FrozenStringLiteralComment:
+  # Add `# frozen_string_literal: true` to all files.
+  EnforcedStyle: always_true
+  SafeAutoCorrect: true
+
+Style/GuardClause:
+  # Not enforced since guard clauses can cause long lines as well.
+  Enabled: false
+
+Style/IfUnlessModifier:
+  # Not enforced since having an if on its own line can help shorten a line.
+  Enabled: false
+
+Style/NumericPredicate:
+  # Sometimes we prefer testing `== 0` over `.zero?`.
+  Enabled: false
+
+Style/NumericLiterals:
+  # Some numbers in specs are tricky to represent with regular spacing.
+  Enabled: false
+
+Style/OptionalBooleanParameter:
+  # We also need backwards compatiblity so it doesn’t always make sense to
+  # disallow arguments with a boolean default value.
+  Enabled: false
+
+Style/PreferredHashMethods:
+  # Money::FormattingRules has `#has_key?` but not `#key?`.
+  Enabled: false
+
+Style/QuotedSymbols:
+  # Prefer :"some symbol" to :'some symbol'.
+  EnforcedStyle: double_quotes
+
+Style/StringLiterals:
+  # Prefer "double quotes" over 'single quotes'.
+  EnforcedStyle: double_quotes
+
+Style/SymbolArray:
+  # Prefer [:a, :b] to %i[a b]
+  EnforcedStyle: brackets
+
+Style/TrailingCommaInArguments:
+  # Prefer trailing commas in multiline arguments:
+  #   call(
+  #     a: 1,
+  #     b: 2,
+  #   )
+  EnforcedStyleForMultiline: diff_comma
+
+Style/TrailingCommaInArrayLiteral:
+  # Prefer trailing commas in arrays:
+  #   [
+  #     1,
+  #     2,
+  #   ]
+  EnforcedStyleForMultiline: diff_comma
+
+Style/TrailingCommaInHashLiteral:
+  # Prefer trailing commas in multiline hashes:
+  #   {
+  #     a: 1,
+  #     b: 2,
+  #   }
+  EnforcedStyleForMultiline: diff_comma
+
+Style/YodaCondition:
+  # Sometimes in specs it makes more sense to write
+  #   2 >= Money.new(2, 'USD')
+  # over
+  #   Money.new(2, 'USD') <= 2
+  Enabled: false