Remove deprecated Erubis ERB handler

Gemfile

@@ -51,9 +51,6 @@ gem "dalli", ">= 2.2.1"
 gem "listen", ">= 3.0.5", "< 3.2", require: false
 gem "libxml-ruby", platforms: :ruby
 
-# Action View. For testing Erubis handler deprecation.
-gem "erubis", "~> 2.7.0", require: false
-
 # for railties app_generator_test
 gem "bootsnap", ">= 1.1.0", require: false
 

Gemfile.lock

@@ -253,7 +253,6 @@ GEM
     em-socksify (0.3.1)
       eventmachine (>= 1.0.0.beta.4)
     erubi (1.6.1)
-    erubis (2.7.0)
     et-orbi (1.0.5)
       tzinfo
     event_emitter (0.2.6)
@@ -540,7 +539,6 @@ DEPENDENCIES
   delayed_job
   delayed_job_active_record
   em-hiredis
-  erubis (~> 2.7.0)
   google-cloud-storage (~> 1.3)
   hiredis
   json (>= 2.0.0)

actionview/CHANGELOG.md

+*   Remove deprecated Erubis ERB handler.
+
+    *Rafael Mendonça França*
+
 *   Remove default `alt` text generation.
 
     Fixes #30096

actionview/lib/action_view/template/handlers/erb.rb

@@ -3,11 +3,8 @@
 module ActionView
   class Template
     module Handlers
-      autoload :Erubis, "action_view/template/handlers/erb/deprecated_erubis"
-
       class ERB
         autoload :Erubi, "action_view/template/handlers/erb/erubi"
-        autoload :Erubis, "action_view/template/handlers/erb/erubis"
 
         # Specify trim mode for the ERB compiler. Defaults to '-'.
         # See ERB documentation for suitable values.

actionview/lib/action_view/template/handlers/erb/deprecated_erubis.rb

-# frozen_string_literal: true
-
-::ActiveSupport::Deprecation.warn("ActionView::Template::Handlers::Erubis is deprecated and will be removed from Rails 5.2. Switch to ActionView::Template::Handlers::ERB::Erubi instead.")
-
-module ActionView
-  class Template
-    module Handlers
-      Erubis = ERB::Erubis
-    end
-  end
-end

actionview/lib/action_view/template/handlers/erb/erubis.rb

-# frozen_string_literal: true
-
-gem "erubis"
-require "erubis"
-
-module ActionView
-  class Template
-    module Handlers
-      class ERB
-        class Erubis < ::Erubis::Eruby
-          # :nodoc: all
-          def add_preamble(src)
-            @newline_pending = 0
-            src << "@output_buffer = output_buffer || ActionView::OutputBuffer.new;"
-          end
-
-          def add_text(src, text)
-            return if text.empty?
-
-            if text == "\n"
-              @newline_pending += 1
-            else
-              src << "@output_buffer.safe_append='"
-              src << "\n" * @newline_pending if @newline_pending > 0
-              src << escape_text(text)
-              src << "'.freeze;"
-
-              @newline_pending = 0
-            end
-          end
-
-          # Erubis toggles <%= and <%== behavior when escaping is enabled.
-          # We override to always treat <%== as escaped.
-          def add_expr(src, code, indicator)
-            case indicator
-            when "=="
-              add_expr_escaped(src, code)
-            else
-              super
-            end
-          end
-
-          BLOCK_EXPR = /\s*((\s+|\))do|\{)(\s*\|[^|]*\|)?\s*\Z/
-
-          def add_expr_literal(src, code)
-            flush_newline_if_pending(src)
-            if BLOCK_EXPR.match?(code)
-              src << "@output_buffer.append= " << code
-            else
-              src << "@output_buffer.append=(" << code << ");"
-            end
-          end
-
-          def add_expr_escaped(src, code)
-            flush_newline_if_pending(src)
-            if BLOCK_EXPR.match?(code)
-              src << "@output_buffer.safe_expr_append= " << code
-            else
-              src << "@output_buffer.safe_expr_append=(" << code << ");"
-            end
-          end
-
-          def add_stmt(src, code)
-            flush_newline_if_pending(src)
-            super
-          end
-
-          def add_postamble(src)
-            flush_newline_if_pending(src)
-            src << "@output_buffer.to_s"
-          end
-
-          def flush_newline_if_pending(src)
-            if @newline_pending > 0
-              src << "@output_buffer.safe_append='#{"\n" * @newline_pending}'.freeze;"
-              @newline_pending = 0
-            end
-          end
-        end
-      end
-    end
-  end
-end

actionview/test/template/erb/deprecated_erubis_implementation_test.rb

-# frozen_string_literal: true
-
-require "abstract_unit"
-
-module ERBTest
-  class DeprecatedErubisImplementationTest < ActionView::TestCase
-    test "Erubis implementation is deprecated" do
-      assert_deprecated "ActionView::Template::Handlers::Erubis is deprecated and will be removed from Rails 5.2. Switch to ActionView::Template::Handlers::ERB::Erubi instead." do
-        assert_equal "ActionView::Template::Handlers::ERB::Erubis", ActionView::Template::Handlers::Erubis.to_s
-
-        assert_nothing_raised { Class.new(ActionView::Template::Handlers::Erubis) }
-      end
-    end
-  end
-end