deps: require Ruby 3.1 or higher (#337)

Removes unsupported Ruby versions from the test runs and updates the
minimum required Ruby version to 3.1. Updates google-style and the
corresponding rubocop version.

.github/workflows/acceptance-tests-on-emulator.yaml

@@ -18,14 +18,8 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        ruby: ["2.7", "3.0", "3.1", "3.2", "3.3"]
+        ruby: ["3.1", "3.2", "3.3"]
         ar: ["~> 6.1.0", "~> 7.0.0", "~> 7.1.0", "~> 7.2.0"]
-        # Exclude combinations that are not supported.
-        exclude:
-          - ruby: "2.7"
-            ar: "~> 7.2.0"
-          - ruby: "3.0"
-            ar: "~> 7.2.0"
     env:
       AR_VERSION: ${{ matrix.ar }}
     steps:

.github/workflows/ci.yaml

@@ -10,14 +10,8 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        ruby: ["2.7", "3.0", "3.1", "3.2", "3.3"]
+        ruby: ["3.1", "3.2", "3.3"]
         ar: ["~> 6.1.0", "~> 7.0.0", "~> 7.1.0", "~> 7.2.0"]
-        # Exclude combinations that are not supported.
-        exclude:
-          - ruby: "2.7"
-            ar: "~> 7.2.0"
-          - ruby: "3.0"
-            ar: "~> 7.2.0"
     env:
       AR_VERSION: ${{ matrix.ar }}
     steps:

.github/workflows/nightly-acceptance-tests-on-emulator.yaml

@@ -18,14 +18,8 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        ruby: ["2.7", "3.0", "3.1", "3.2", "3.3"]
+        ruby: ["3.1", "3.2", "3.3"]
         ar: ["~> 6.1.0", "~> 7.0.0", "~> 7.1.0", "~> 7.2.0"]
-        # Exclude combinations that are not supported.
-        exclude:
-          - ruby: "2.7"
-            ar: "~> 7.2.0"
-          - ruby: "3.0"
-            ar: "~> 7.2.0"
     env:
       AR_VERSION: ${{ matrix.ar }}
     steps:

.github/workflows/nightly-unit-tests.yaml

@@ -11,14 +11,8 @@ jobs:
       max-parallel: 4
       matrix:
         # Run acceptance tests all supported combinations of Ruby and ActiveRecord.
-        ruby: ["2.7", "3.0", "3.1", "3.2", "3.3"]
+        ruby: ["3.1", "3.2", "3.3"]
         ar: ["~> 6.1.0", "~> 7.0.0", "~> 7.1.0", "~> 7.2.0"]
-        # Exclude combinations that are not supported.
-        exclude:
-          - ruby: "2.7"
-            ar: "~> 7.2.0"
-          - ruby: "3.0"
-            ar: "~> 7.2.0"
     env:
       AR_VERSION: ${{ matrix.ar }}
     steps:

.github/workflows/rubocop.yaml

@@ -16,7 +16,7 @@ jobs:
     - name: setup ruby
       uses: ruby/setup-ruby@v1
       with:
-        ruby-version: '2.7'
+        ruby-version: '3.3'
     - name: cache gems
       uses: actions/cache@v4
       with:

.rubocop.yml

@@ -16,15 +16,15 @@ AllCops:
 
 Documentation:
   Enabled: false
-Layout/AlignHash:
+Layout/HashAlignment:
   Enabled: false
 Metrics/ClassLength:
   Enabled: false
 Metrics/ModuleLength:
   Enabled: false
 Naming/RescuedExceptionsVariableName:
   Enabled: false
-Naming/UncommunicativeMethodParamName:
+Naming/MethodParameterName:
   Enabled: false
 Style/EmptyMethod:
   Enabled: false

activerecord-spanner-adapter.gemspec

@@ -22,7 +22,7 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename f }
   spec.require_paths = ["lib"]
 
-  spec.required_ruby_version = ">= 2.7"
+  spec.required_ruby_version = ">= 3.1"
 
   spec.add_dependency "google-cloud-spanner", "~> 2.18"
   # Pin gRPC to 1.64.3, as 1.65 and 1.66 cause test runs to hang randomly.
@@ -31,7 +31,7 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency "autotest-suffix", "~> 1.1"
   spec.add_development_dependency "bundler", "~> 2.0"
-  spec.add_development_dependency "google-style", "~> 1.24.0"
+  spec.add_development_dependency "google-style", "~> 1.30.1"
   spec.add_development_dependency "minitest", "~> 5.10"
   spec.add_development_dependency "minitest-autotest", "~> 1.0"
   spec.add_development_dependency "minitest-focus", "~> 1.1"

benchmarks/application.rb

@@ -63,7 +63,7 @@ def self.run # rubocop:disable Metrics/AbcSize
 
     puts ""
     puts "Press any key to end the application"
-    STDIN.getch
+    $stdin.getch
   end
 
   def self.execute_individual_benchmarks singer, client
@@ -120,9 +120,7 @@ def self.benchmark_select_one_singer singer, client
       sql = "SELECT * FROM Singers WHERE id=@id"
       params = { id: singer[:id] }
       param_types = { id: :INT64 }
-      client.execute(sql, params: params, types: param_types).rows.each do |row|
-        return row
-      end
+      client.execute(sql, params: params, types: param_types).rows.first(1)
     else
       Singer.find singer.id
     end
@@ -134,9 +132,7 @@ def self.benchmark_create_and_reload client
       sql = "SELECT * FROM Singers WHERE id=@id"
       params = { id: singer[:id] }
       param_types = { id: :INT64 }
-      client.execute(sql, params: params, types: param_types).rows.each do |row|
-        return row
-      end
+      client.execute(sql, params: params, types: param_types).rows.first(1)
     else
       singer.reload
     end

examples/snippets/array-data-type/application.rb

@@ -38,7 +38,7 @@ def self.run # rubocop:disable Metrics/AbcSize
 
     puts ""
     puts "Press any key to end the application"
-    STDIN.getch
+    $stdin.getch
   end
 end
 

examples/snippets/bit-reversed-sequence/application.rb

@@ -25,7 +25,7 @@ def self.run
 
     puts ""
     puts "Press any key to end the application"
-    STDIN.getch
+    $stdin.getch
   end
 
   def self.find_album singerid, albumid

examples/snippets/bit-reversed-sequence/db/seeds.rb

@@ -4,7 +4,7 @@
 # license that can be found in the LICENSE file or at
 # https://opensource.org/licenses/MIT.
 
-require_relative "../../config/environment.rb"
+require_relative "../../config/environment"
 require_relative "../models/singer"
 require_relative "../models/album"
 
@@ -14,7 +14,7 @@
 adjectives = %w[daily happy blue generous cooked bad open]
 nouns = %w[windows potatoes bank street tree glass bottle]
 
-# Note: We do not use mutations to insert these rows, because letting the database generate the primary key means that
+# NOTE: We do not use mutations to insert these rows, because letting the database generate the primary key means that
 # we rely on a `THEN RETURN id` clause in the insert statement. This is only supported for DML statements, and not for
 # mutations.
 ActiveRecord::Base.transaction do

examples/snippets/bulk-insert/application.rb

@@ -46,7 +46,7 @@ def self.run # rubocop:disable Metrics/AbcSize
       ]
     end
     puts ""
-    puts "Created a batch of #{singers.length} singers and #{albums.length} "\
+    puts "Created a batch of #{singers.length} singers and #{albums.length} " \
          "albums using a transaction with buffered mutations:"
     singers.each do |s|
       puts "  Created singer #{s.first_name} #{s.last_name} with id #{s.id}"
@@ -57,7 +57,7 @@ def self.run # rubocop:disable Metrics/AbcSize
 
     puts ""
     puts "Press any key to end the application"
-    STDIN.getch
+    $stdin.getch
   end
 end
 

examples/snippets/commit-timestamp/application.rb

@@ -46,7 +46,7 @@ def self.run # rubocop:disable Metrics/AbcSize
 
     puts ""
     puts "Press any key to end the application"
-    STDIN.getch
+    $stdin.getch
   end
 end
 

examples/snippets/create-records/application.rb

@@ -35,7 +35,7 @@ def self.run
 
     puts ""
     puts "Press any key to end the application"
-    STDIN.getch
+    $stdin.getch
   end
 end
 

examples/snippets/date-data-type/application.rb

@@ -28,7 +28,7 @@ def self.run
 
     puts ""
     puts "Press any key to end the application"
-    STDIN.getch
+    $stdin.getch
   end
 end
 

examples/snippets/date-data-type/db/seeds.rb

@@ -4,7 +4,7 @@
 # license that can be found in the LICENSE file or at
 # https://opensource.org/licenses/MIT.
 #
-require_relative "../../config/environment.rb"
+require_relative "../../config/environment"
 require_relative "../models/singer"
 
 first_names = %w[Nelson Todd William Alex Dominique Adenoid Steve Nathan Beverly Annie Amy Norma Diana Regan Phyllis]

examples/snippets/generated-column/application.rb

@@ -30,7 +30,7 @@ def self.run
 
     puts ""
     puts "Press any key to end the application"
-    STDIN.getch
+    $stdin.getch
   end
 end
 

examples/snippets/generated-column/db/seeds.rb

@@ -4,7 +4,7 @@
 # license that can be found in the LICENSE file or at
 # https://opensource.org/licenses/MIT.
 
-require_relative "../../config/environment.rb"
+require_relative "../../config/environment"
 require_relative "../models/singer"
 
 first_names = %w[Pete Alice John Ethel Trudy Naomi Wendy Ruben Thomas Elly]

examples/snippets/hints/application.rb

@@ -40,7 +40,7 @@ def self.run
 
     puts ""
     puts "Press any key to end the application"
-    STDIN.getch
+    $stdin.getch
   end
 end
 

examples/snippets/hints/db/seeds.rb

@@ -4,7 +4,7 @@
 # license that can be found in the LICENSE file or at
 # https://opensource.org/licenses/MIT.
 
-require_relative "../../config/environment.rb"
+require_relative "../../config/environment"
 require_relative "../models/singer"
 require_relative "../models/album"
 

examples/snippets/interleaved-tables-before-7.1/application.rb

@@ -31,7 +31,7 @@ def self.run
 
     puts ""
     puts "Press any key to end the application"
-    STDIN.getch
+    $stdin.getch
   end
 
   def self.find_singer

examples/snippets/interleaved-tables-before-7.1/db/seeds.rb

@@ -4,7 +4,7 @@
 # license that can be found in the LICENSE file or at
 # https://opensource.org/licenses/MIT.
 
-require_relative "../../config/environment.rb"
+require_relative "../../config/environment"
 require_relative "../models/singer"
 require_relative "../models/album"
 require_relative "../models/track"

examples/snippets/interleaved-tables/application.rb

@@ -31,7 +31,7 @@ def self.run
 
     puts ""
     puts "Press any key to end the application"
-    STDIN.getch
+    $stdin.getch
   end
 
   def self.find_singer

examples/snippets/interleaved-tables/db/seeds.rb

@@ -4,7 +4,7 @@
 # license that can be found in the LICENSE file or at
 # https://opensource.org/licenses/MIT.
 
-require_relative "../../config/environment.rb"
+require_relative "../../config/environment"
 require_relative "../models/singer"
 require_relative "../models/album"
 require_relative "../models/track"

examples/snippets/migrations/application.rb

@@ -19,7 +19,7 @@ def self.run
 
     puts ""
     puts "Press any key to end the application"
-    STDIN.getch
+    $stdin.getch
   end
 end
 

examples/snippets/mutations/application.rb

@@ -22,7 +22,7 @@ def self.run # rubocop:disable Metrics/AbcSize
       to_album = Album.where.not(id: from_album.id).sample
 
       puts ""
-      puts "Transferring 10,000 marketing budget from #{from_album.title} (#{from_album.marketing_budget}) "\
+      puts "Transferring 10,000 marketing budget from #{from_album.title} (#{from_album.marketing_budget}) " \
            "to #{to_album.title} (#{to_album.marketing_budget})"
       from_album.update marketing_budget: from_album.marketing_budget - 10000
       to_album.update marketing_budget: to_album.marketing_budget + 10000
@@ -40,7 +40,7 @@ def self.run # rubocop:disable Metrics/AbcSize
 
     puts ""
     puts "Press any key to end the application"
-    STDIN.getch
+    $stdin.getch
   end
 end
 

examples/snippets/mutations/db/seeds.rb

@@ -4,7 +4,7 @@
 # license that can be found in the LICENSE file or at
 # https://opensource.org/licenses/MIT.
 
-require_relative "../../config/environment.rb"
+require_relative "../../config/environment"
 require_relative "../models/singer"
 require_relative "../models/album"
 

examples/snippets/optimistic-locking/application.rb

@@ -41,7 +41,7 @@ def self.run
 
     puts ""
     puts "Press any key to end the application"
-    STDIN.getch
+    $stdin.getch
   end
 end
 

examples/snippets/optimistic-locking/db/seeds.rb

@@ -4,7 +4,7 @@
 # license that can be found in the LICENSE file or at
 # https://opensource.org/licenses/MIT.
 
-require_relative "../../config/environment.rb"
+require_relative "../../config/environment"
 require_relative "../models/singer"
 require_relative "../models/album"
 

examples/snippets/partitioned-dml/application.rb

@@ -41,7 +41,7 @@ def self.run
 
     puts ""
     puts "Press any key to end the application"
-    STDIN.getch
+    $stdin.getch
   end
 end
 

examples/snippets/partitioned-dml/db/seeds.rb

@@ -4,7 +4,7 @@
 # license that can be found in the LICENSE file or at
 # https://opensource.org/licenses/MIT.
 
-require_relative "../../config/environment.rb"
+require_relative "../../config/environment"
 require_relative "../models/singer"
 require_relative "../models/album"