Fix rubocop offenses

.rubocop.yml

@@ -1,5 +1,5 @@
 AllCops:
-  TargetRubyVersion: 2.3.0
+  TargetRubyVersion: 2.7.0
   Exclude:
     - "tmp/**/*"
     - "bin/*"
@@ -11,7 +11,7 @@ Bundler/OrderedGems:
 Gemspec/OrderedDependencies:
   Enabled: false
 
-Layout/AlignParameters:
+Layout/ParameterAlignment:
   Enabled: true
   EnforcedStyle: with_fixed_indentation
 Layout/ConditionPosition:
@@ -20,7 +20,7 @@ Layout/DotPosition:
   EnforcedStyle: leading
 Layout/ExtraSpacing:
   Enabled: true
-Layout/IndentAssignment:
+Layout/AssignmentIndentation:
   Enabled: False
 Layout/MultilineOperationIndentation:
   Enabled: true
@@ -33,7 +33,7 @@ Lint/AmbiguousOperator:
   Enabled: true
 Lint/AmbiguousRegexpLiteral:
   Enabled: true
-Lint/DuplicatedKey:
+Lint/DuplicateHashKey:
   Enabled: true
 
 Metrics/ClassLength:

lib/generators/scenic/materializable.rb

@@ -6,20 +6,21 @@ module Materializable
 
       included do
         class_option :materialized,
-          type: :boolean,
-          required: false,
-          desc: "Makes the view materialized",
-          default: false
+                     type: :boolean,
+                     required: false,
+                     desc: "Makes the view materialized",
+                     default: false
         class_option :no_data,
-          type: :boolean,
-          required: false,
-          desc: "Adds WITH NO DATA when materialized view creates/updates",
-          default: false
+                     type: :boolean,
+                     required: false,
+                     desc: "Adds WITH NO DATA when materialized view " \
+                           "creates/updates",
+                     default: false
         class_option :replace,
-          type: :boolean,
-          required: false,
-          desc: "Uses replace_view instead of update_view",
-          default: false
+                     type: :boolean,
+                     required: false,
+                     desc: "Uses replace_view instead of update_view",
+                     default: false
       end
 
       private

lib/generators/scenic/model/model_generator.rb

@@ -12,16 +12,17 @@ class ModelGenerator < Rails::Generators::NamedBase
 
       def invoke_rails_model_generator
         invoke "model",
-          [file_path.singularize],
-          options.merge(
-            fixture_replacement: false,
-            migration: false,
-          )
+               [file_path.singularize],
+               options.merge(
+                 fixture_replacement: false,
+                 migration: false,
+               )
       end
 
       def inject_model_methods
         if materialized? && generating?
-          inject_into_class "app/models/#{file_path.singularize}.rb", class_name do
+          inject_into_class "app/models/#{file_path.singularize}.rb",
+                            class_name do
             evaluate_template("model.erb")
           end
         end
@@ -38,19 +39,12 @@ def evaluate_template(source)
         context = instance_eval("binding", __FILE__, __LINE__)
 
         if ERB.instance_method(:initialize).parameters.assoc(:key) # Ruby 2.6+
-          erb = ERB.new(
-            ::File.binread(source),
-            trim_mode: "-",
-            eoutvar: "@output_buffer",
-          )
-        else
-          erb = ERB.new(
-            ::File.binread(source),
-            nil,
-            "-",
-            "@output_buffer",
-          )
         end
+        erb = ERB.new(
+          ::File.binread(source),
+          trim_mode: "-",
+          eoutvar: "@output_buffer",
+        )
 
         erb.result(context)
       end

lib/scenic/adapters/postgres.rb

@@ -60,9 +60,10 @@ def views
       #
       # @return [void]
       def create_view(name, sql_definition, if_not_exists: false)
-        if if_not_exists
-          return if views.any? { |view| view.name == name }
+        if if_not_exists && views.any? { |view| view.name == name }
+          return
         end
+
         execute "CREATE VIEW #{quote_table_name(name)} AS #{sql_definition};"
       end
 
@@ -142,7 +143,8 @@ def drop_view(name, if_exists: false)
       #   in use does not support materialized views.
       #
       # @return [void]
-      def create_materialized_view(name, sql_definition, no_data: false, if_not_exists: false)
+      def create_materialized_view(name, sql_definition, no_data: false,
+        if_not_exists: false)
         raise_unless_materialized_views_supported
 
         definition_if_not_exists = if_not_exists ? "IF NOT EXISTS " : ""
@@ -239,6 +241,7 @@ def refresh_materialized_view(name, concurrently: false, cascade: false)
       private
 
       attr_reader :connectable
+
       delegate :execute, :quote_table_name, to: :connection
 
       def connection

lib/scenic/adapters/postgres/index_reapplication.rb

@@ -56,7 +56,7 @@ def with_savepoint(name)
           yield
           connection.execute("RELEASE SAVEPOINT #{name}")
           true
-        rescue
+        rescue StandardError
           connection.execute("ROLLBACK TO SAVEPOINT #{name}")
           false
         end

lib/scenic/adapters/postgres/indexes.rb

@@ -20,6 +20,7 @@ def on(name)
         private
 
         attr_reader :connection
+
         delegate :quote_table_name, to: :connection
 
         def indexes_on(name)

lib/scenic/schema_dumper.rb

@@ -27,15 +27,18 @@ def dumpable_views_in_database
       end
     end
 
-    unless ActiveRecord::SchemaDumper.private_instance_methods(false).include?(:ignored?)
+    unless ActiveRecord::SchemaDumper.private_instance_methods(false)
+        .include?(:ignored?)
       # This method will be present in Rails 4.2.0 and can be removed then.
       def ignored?(table_name)
         ["schema_migrations", ignore_tables].flatten.any? do |ignored|
           case ignored
           when String then remove_prefix_and_suffix(table_name) == ignored
           when Regexp then remove_prefix_and_suffix(table_name) =~ ignored
           else
-            raise StandardError, "ActiveRecord::SchemaDumper.ignore_tables accepts an array of String and / or Regexp values."
+            raise StandardError,
+                  "ActiveRecord::SchemaDumper.ignore_tables accepts an array " \
+                  "of String and / or Regexp values."
           end
         end
       end

lib/scenic/statements.rb

@@ -24,7 +24,8 @@ module Statements
     #     SELECT * FROM users WHERE users.active = 't'
     #   SQL
     #
-    def create_view(name, version: nil, sql_definition: nil, materialized: false, if_not_exists: false)
+    def create_view(name, version: nil, sql_definition: nil,
+      materialized: false, if_not_exists: false)
       if version.present? && sql_definition.present?
         raise(
           ArgumentError,
@@ -46,7 +47,8 @@ def create_view(name, version: nil, sql_definition: nil, materialized: false, if
           if_not_exists: if_not_exists,
         )
       else
-        Scenic.database.create_view(name, sql_definition, if_not_exists: if_not_exists)
+        Scenic.database.create_view(name, sql_definition,
+                                    if_not_exists: if_not_exists)
       end
     end
 
@@ -65,7 +67,8 @@ def create_view(name, version: nil, sql_definition: nil, materialized: false, if
     # @example Drop a view, rolling back to version 3 on rollback
     #   drop_view(:users_who_recently_logged_in, revert_to_version: 3)
     #
-    def drop_view(name, revert_to_version: nil, materialized: false, if_exists: false)
+    def drop_view(name, revert_to_version: nil, materialized: false,
+      if_exists: false)
       if materialized
         Scenic.database.drop_materialized_view(name, if_exists: if_exists)
       else
@@ -93,7 +96,8 @@ def drop_view(name, revert_to_version: nil, materialized: false, if_exists: fals
     # @example
     #   update_view :engagement_reports, version: 3, revert_to_version: 2
     #
-    def update_view(name, version: nil, sql_definition: nil, revert_to_version: nil, materialized: false)
+    def update_view(name, version: nil, sql_definition: nil,
+      revert_to_version: nil, materialized: false)
       if version.blank? && sql_definition.blank?
         raise(
           ArgumentError,
@@ -137,7 +141,8 @@ def update_view(name, version: nil, sql_definition: nil, revert_to_version: nil,
     # @example
     #   replace_view :engagement_reports, version: 3, revert_to_version: 2
     #
-    def replace_view(name, version: nil, revert_to_version: nil, materialized: false)
+    def replace_view(name, version: nil, revert_to_version: nil,
+      materialized: false)
       if version.blank?
         raise ArgumentError, "version is required"
       end

spec/integration/revert_spec.rb

@@ -61,7 +61,7 @@ def migration_class
   end
 
   def run_migration(migration, directions)
-    silence_stream(STDOUT) do
+    silence_stream($stdout) do
       Array.wrap(directions).each do |direction|
         migration.migrate(direction)
       end

spec/scenic/adapters/postgres_spec.rb

@@ -15,7 +15,8 @@ module Adapters
         it "successfully creates a view with :if_not_exists if view does not exist" do
           adapter = Postgres.new
 
-          adapter.create_view("greetings", "SELECT text 'hi' AS greeting", if_not_exists: true)
+          adapter.create_view("greetings", "SELECT text 'hi' AS greeting",
+                              if_not_exists: true)
 
           expect(adapter.views.map(&:name)).to include("greetings")
         end
@@ -24,7 +25,10 @@ module Adapters
           adapter = Postgres.new
 
           adapter.create_view("greetings", "SELECT text 'hi' AS greeting")
-          expect { adapter.create_view("greetings", "SELECT text 'hi' AS greeting", if_not_exists: true) }
+          expect {
+            adapter.create_view("greetings", "SELECT text 'hi' AS greeting",
+                                if_not_exists: true)
+          }
             .not_to raise_error
         end
       end
@@ -106,7 +110,9 @@ module Adapters
         it "does not raise error with :if_exists if view does not exist" do
           adapter = Postgres.new
 
-          expect { adapter.drop_view("greetings", if_exists: true) }.not_to raise_error
+          expect {
+            adapter.drop_view("greetings", if_exists: true)
+          }.not_to raise_error
         end
       end
 
@@ -138,7 +144,10 @@ module Adapters
         it "does not raise error with :if_exists if view does not exist" do
           adapter = Postgres.new
 
-          expect { adapter.drop_materialized_view("greetings", if_exists: true) }.not_to raise_error
+          expect {
+            adapter.drop_materialized_view("greetings",
+                                           if_exists: true)
+          }.not_to raise_error
         end
 
         it "raises an exception if the version of PostgreSQL is too old" do

spec/scenic/command_recorder_spec.rb

@@ -24,7 +24,7 @@
       recorder.revert { recorder.create_view :greetings, materialized: true }
 
       expect(recorder.commands).to eq [
-        [:drop_view, [:greetings, materialized: true]],
+        [:drop_view, [:greetings, { materialized: true }]],
       ]
     end
   end

spec/scenic/schema_dumper_spec.rb

@@ -21,7 +21,7 @@ class SearchInAHaystack < ActiveRecord::Base
 
     Search.connection.drop_view :searches
 
-    silence_stream(STDOUT) { eval(output) }
+    silence_stream($stdout) { eval(output) }
 
     expect(Search.first.haystack).to eq "needle"
   end
@@ -37,14 +37,15 @@ class SearchInAHaystack < ActiveRecord::Base
     expect(output).to include "~ '\\\\d+'::text"
 
     Search.connection.drop_view :searches
-    silence_stream(STDOUT) { eval(output) }
+    silence_stream($stdout) { eval(output) }
 
     expect(Search.first.haystack).to eq "needle"
   end
 
   it "dumps a create_view for a materialized view in the database" do
     view_definition = "SELECT 'needle'::text AS haystack"
-    Search.connection.create_view :searches, materialized: true, sql_definition: view_definition
+    Search.connection.create_view :searches, materialized: true,
+                                             sql_definition: view_definition
     stream = StringIO.new
 
     ActiveRecord::SchemaDumper.dump(Search.connection, stream)
@@ -59,7 +60,8 @@ class SearchInAHaystack < ActiveRecord::Base
     it "dumps a create_view including namespace for a view in the database" do
       view_definition = "SELECT 'needle'::text AS haystack"
       Search.connection.execute "CREATE SCHEMA scenic; SET search_path TO scenic, public"
-      Search.connection.create_view :"scenic.searches", sql_definition: view_definition
+      Search.connection.create_view :"scenic.searches",
+                                    sql_definition: view_definition
       stream = StringIO.new
 
       ActiveRecord::SchemaDumper.dump(Search.connection, stream)
@@ -74,7 +76,8 @@ class SearchInAHaystack < ActiveRecord::Base
   it "handles active record table name prefixes and suffixes" do
     with_affixed_tables(prefix: "a_", suffix: "_z") do
       view_definition = "SELECT 'needle'::text AS haystack"
-      Search.connection.create_view :a_searches_z, sql_definition: view_definition
+      Search.connection.create_view :a_searches_z,
+                                    sql_definition: view_definition
       stream = StringIO.new
 
       ActiveRecord::SchemaDumper.dump(Search.connection, stream)
@@ -102,7 +105,8 @@ class SearchInAHaystack < ActiveRecord::Base
   context "with views using unexpected characters in name" do
     it "dumps a create_view for a view in the database" do
       view_definition = "SELECT 'needle'::text AS haystack"
-      Search.connection.create_view '"search in a haystack"', sql_definition: view_definition
+      Search.connection.create_view '"search in a haystack"',
+                                    sql_definition: view_definition
       stream = StringIO.new
 
       ActiveRecord::SchemaDumper.dump(Search.connection, stream)
@@ -113,7 +117,7 @@ class SearchInAHaystack < ActiveRecord::Base
 
       Search.connection.drop_view :'"search in a haystack"'
 
-      silence_stream(STDOUT) { eval(output) }
+      silence_stream($stdout) { eval(output) }
 
       expect(SearchInAHaystack.take.haystack).to eq "needle"
     end
@@ -126,7 +130,7 @@ class SearchInAHaystack < ActiveRecord::Base
         "CREATE SCHEMA scenic; SET search_path TO scenic, public",
       )
       Search.connection.create_view 'scenic."search in a haystack"',
-        sql_definition: view_definition
+                                    sql_definition: view_definition
       stream = StringIO.new
 
       ActiveRecord::SchemaDumper.dump(Search.connection, stream)
@@ -137,7 +141,7 @@ class SearchInAHaystack < ActiveRecord::Base
 
       Search.connection.drop_view :'scenic."search in a haystack"'
 
-      silence_stream(STDOUT) { eval(output) }
+      silence_stream($stdout) { eval(output) }
 
       expect(SearchInAHaystack.take.haystack).to eq "needle"
     end