Various compatibility fixes for the 3.x branch

.github/workflows/ci.yml

@@ -0,0 +1,34 @@
+name: CI
+on: [push, pull_request]
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    continue-on-error: ${{ matrix.experimental }}
+    name: ${{ matrix.ruby }}
+    strategy:
+      matrix:
+        experimental: [false]
+        ruby:
+          - "2.5"
+          - "2.6"
+          - "2.7"
+          - "3.0"
+          - "3.1"
+          - "3.2"
+          - "3.3"
+        rubyopt: [""]
+        include:
+          - { ruby: "3.3", rubyopt: "--enable-frozen-string-literal --debug-frozen-string-literal", experimental: false }
+          - { ruby: head, experimental: true }
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
+
+      - name: Run tests ${{ matrix.rubyopt }}
+        timeout-minutes: 10
+        run: bundle exec rake RUBYOPT="${{ matrix.rubyopt }}"

.github/workflows/isolated.yml

@@ -0,0 +1,20 @@
+name: CI isolated tests
+on: [push, pull_request]
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby: [2.7]
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
+
+      - name: Run tests
+        run: bundle exec rake test_isolated

lib/sprockets.rb

@@ -105,7 +105,7 @@ module Sprockets
   register_bundle_processor 'application/javascript', Bundle
   register_bundle_processor 'text/css', Bundle
 
-  register_bundle_metadata_reducer '*/*', :data, proc { "" }, :concat
+  register_bundle_metadata_reducer '*/*', :data, proc { "" }, :+
   register_bundle_metadata_reducer 'application/javascript', :data, proc { "" }, Utils.method(:concat_javascript_sources)
   register_bundle_metadata_reducer '*/*', :links, :+
 

lib/sprockets/directive_processor.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 require 'set'
 require 'shellwords'
 

lib/sprockets/server.rb

@@ -251,11 +251,11 @@ def cache_headers(env, etag)
         # If the request url contains a fingerprint, set a long
         # expires on the response
         if path_fingerprint(env["PATH_INFO"])
-          headers["Cache-Control"] << ", max-age=31536000"
+          headers["Cache-Control"] += ", max-age=31536000"
 
         # Otherwise set `must-revalidate` since the asset could be modified.
         else
-          headers["Cache-Control"] << ", must-revalidate"
+          headers["Cache-Control"] += ", must-revalidate"
           headers["Vary"] = "Accept-Encoding"
         end
 

lib/sprockets/uri_utils.rb

@@ -50,6 +50,9 @@ def split_file_uri(uri)
       # Hack for parsing Windows "file:///C:/Users/IEUser" paths
       path.gsub!(/^\/([a-zA-Z]:)/, '\1'.freeze)
 
+      host = nil if host && host.empty?
+      query = nil if query && query.empty?
+
       [scheme, host, path, query]
     end
 

lib/sprockets/utils.rb

@@ -102,6 +102,7 @@ def string_end_with_semicolon?(str)
     #
     # Returns buf String.
     def concat_javascript_sources(buf, source)
+      buf = +buf
       if source.bytesize > 0
         buf << source
 

sprockets.gemspec

@@ -11,6 +11,7 @@ Gem::Specification.new do |s|
   s.files = Dir["README.md", "CHANGELOG.md", "LICENSE", "lib/**/*.rb"]
   s.executables = ["sprockets"]
 
+  s.add_dependency "base64"
   s.add_dependency "rack",            "> 1", "< 3"
   s.add_dependency "concurrent-ruby", "~> 1.0"
 
@@ -23,7 +24,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency "minitest", "~> 5.0"
   s.add_development_dependency "nokogiri", "~> 1.3"
   s.add_development_dependency "rack-test", "~> 0.6"
-  s.add_development_dependency "rake", "~> 10.0"
+  s.add_development_dependency "rake"
   s.add_development_dependency "sass", "~> 3.1"
   s.add_development_dependency "uglifier", "~> 2.3"
   s.add_development_dependency "yui-compressor", "~> 0.12"

test/sprockets_test.rb

@@ -125,7 +125,7 @@ def silence_warnings
 Sprockets.register_transformer 'text/css', 'application/css-sourcemap+json', SourceMapTransformer
 
 
-class Sprockets::TestCase < MiniTest::Test
+class Sprockets::TestCase < Minitest::Test
   FIXTURE_ROOT = File.expand_path(File.join(File.dirname(__FILE__), "fixtures"))
 
   def self.test(name, &block)

test/test_asset.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: false
+
 require "sprockets_test"
 
 module AssetTests
@@ -117,7 +119,7 @@ def self.test(name, &block)
 
     sandbox filename do
       write(filename, "a;")
-      asset = asset('test.js')
+      assert asset('test.js')
 
       File.unlink(filename)
 
@@ -132,7 +134,7 @@ def self.test(name, &block)
     sandbox main, dep do
       write(main, "//= depend_on test-dep\n")
       write(dep, "a;")
-      asset = asset('test-main.js')
+      assert asset('test-main.js')
 
       File.unlink(dep)
 
@@ -215,7 +217,7 @@ def setup
   end
 
   test "charset is nil" do
-    assert_equal nil, @asset.charset
+    assert_nil @asset.charset
   end
 
   test "length" do
@@ -1312,7 +1314,7 @@ def setup
   end
 
   test "content type" do
-    assert_equal nil, content_type("empty")
+    assert_nil content_type("empty")
 
     assert_equal "application/javascript", content_type("application.js")
     assert_equal "text/css", content_type("application.css")
@@ -1324,7 +1326,7 @@ def setup
 
     assert_equal "text/css", content_type("store.css.erb")
     assert_equal "text/plain", content_type("files.erb")
-    assert_equal nil, content_type("store.foo")
+    assert_nil content_type("store.foo")
 
     assert_equal "application/javascript", content_type("application.coffee")
     assert_equal "text/css", content_type("application.scss")
@@ -1347,7 +1349,7 @@ def setup
     assert_equal "application/javascript", content_type("jquery.ext/form.js")
     assert_equal "application/javascript", content_type("jquery-coffee.min.coffee")
     assert_equal "application/javascript", content_type("jquery-custom.min.js.erb")
-    assert_equal nil, content_type("jquery.js.min")
+    assert_nil content_type("jquery.js.min")
 
     assert_equal "application/javascript", content_type("all.coffee/plain.js")
     assert_equal "application/javascript", content_type("all.coffee/hot.coffee")
@@ -1357,7 +1359,7 @@ def setup
     assert_equal "application/javascript", content_type("bar-ng.ngt.haml")
     assert_equal "application/javascript", content_type("baz-ng.js.ngt")
 
-    assert_equal nil, content_type("sprite.css.embed")
+    assert_nil content_type("sprite.css.embed")
 
     assert_equal "application/javascript", content_type("traceur.es6")
     assert_equal "application/javascript", content_type("traceur.js.es6")

test/test_cache_store.rb

@@ -62,7 +62,7 @@ def test_delete
     @store.set("foo", "bar")
     assert_equal "bar", @store.get("foo")
     @store.set("foo", nil)
-    assert_equal nil, @store.get("foo")
+    assert_nil @store.get("foo")
   end
 
   def test_fetch
@@ -71,7 +71,7 @@ def test_fetch
   end
 end
 
-class TestNullStore < MiniTest::Test
+class TestNullStore < Minitest::Test
   def setup
     @_store = Sprockets::Cache::NullStore.new
     @store = Sprockets::Cache.new(Sprockets::Cache::NullStore.new)
@@ -85,7 +85,7 @@ def test_inspect
   include CacheStoreNullTests
 end
 
-class TestMemoryStore < MiniTest::Test
+class TestMemoryStore < Minitest::Test
   def setup
     @_store = Sprockets::Cache::MemoryStore.new
     @store = Sprockets::Cache.new(@_store)
@@ -118,7 +118,7 @@ def test_set_with_lru
   end
 end
 
-class TestZeroMemoryStore < MiniTest::Test
+class TestZeroMemoryStore < Minitest::Test
   def setup
     @_store = Sprockets::Cache::MemoryStore.new(0)
     @store = Sprockets::Cache.new(@_store)
@@ -131,7 +131,7 @@ def test_inspect
   include CacheStoreNullTests
 end
 
-class TestFileStore < MiniTest::Test
+class TestFileStore < Minitest::Test
   def setup
     @root = Dir::mktmpdir "sprockets-file-store"
     @_store = Sprockets::Cache::FileStore.new(@root)
@@ -159,7 +159,7 @@ def test_corrupted_read
   include CacheStoreTests
 end
 
-class TestZeroFileStore < MiniTest::Test
+class TestZeroFileStore < Minitest::Test
   def setup
     @tmpdir = Dir::mktmpdir "sprockets-file-store-zero"
     @_store = Sprockets::Cache::FileStore.new(@tmpdir, 0)

test/test_closure_compressor.rb

@@ -2,7 +2,7 @@
 require 'sprockets/cache'
 require 'sprockets/closure_compressor'
 
-class TestClosureCompressor < MiniTest::Test
+class TestClosureCompressor < Minitest::Test
   def test_compress_javascript
     input = {
       :data => "function foo() {\n  return true;\n}",

test/test_coffee_script_processor.rb

@@ -2,7 +2,7 @@
 require 'sprockets/cache'
 require 'sprockets/coffee_script_processor'
 
-class TestCoffeeScriptProcessor < MiniTest::Test
+class TestCoffeeScriptProcessor < Minitest::Test
   def test_compile_coffee_script_template_to_js
     input = {
       content_type: 'application/javascript',

test/test_digest_utils.rb

@@ -1,7 +1,7 @@
 require 'minitest/autorun'
 require 'sprockets/digest_utils'
 
-class TestDigestUtils < MiniTest::Test
+class TestDigestUtils < Minitest::Test
   include Sprockets::DigestUtils
 
   def test_detect_digest_class
@@ -35,7 +35,7 @@ def test_digest
     assert_equal "62427aa539a0b78e90fd710dc0e15f2960771ba44214b5d41d4a93a8b2940a38", hexdigest({"foo" => "baz"})
     assert_equal "b6054efd9929004bdd0a1c09eb2d12961325396da749143def3e9a4050aa703e", hexdigest([[:foo, 1]])
     assert_equal "79a19ffe41ecebd5dc35e95363e0b4aa79b139a22bc650384df57eb09842f099", hexdigest([{:foo => 1}])
-    assert_equal "94ee40cca7c2c6d2a134033d2f5a31c488cad5d3dcc61a3dbb5e2a858635874b", hexdigest("foo".force_encoding('UTF-8').encoding)
+    assert_equal "94ee40cca7c2c6d2a134033d2f5a31c488cad5d3dcc61a3dbb5e2a858635874b", hexdigest(Encoding::UTF_8)
 
     assert_raises(TypeError) do
       digest(Object.new)

test/test_eco_processor.rb

@@ -2,7 +2,7 @@
 require 'sprockets/cache'
 require 'sprockets/eco_processor'
 
-class TestEcoProcessor < MiniTest::Test
+class TestEcoProcessor < Minitest::Test
   def test_compile_eco_template_to_js
     input = {
       content_type: 'application/javascript',

test/test_ejs_processor.rb

@@ -2,7 +2,7 @@
 require 'sprockets/cache'
 require 'sprockets/ejs_processor'
 
-class TestEjsProcessor < MiniTest::Test
+class TestEjsProcessor < Minitest::Test
   def test_compile_ejs_template_to_js
     input = {
       content_type: 'application/javascript',

test/test_encoding.rb

@@ -1,4 +1,5 @@
 # encoding: utf-8
+# frozen_string_literal: false
 require "sprockets_test"
 
 class AssetEncodingTest < Sprockets::TestCase

test/test_encoding_utils.rb

@@ -2,7 +2,7 @@
 require 'minitest/autorun'
 require 'sprockets/encoding_utils'
 
-class TestDigestUtils < MiniTest::Test
+class TestDigestUtils < Minitest::Test
   include Sprockets::EncodingUtils
 
   def test_deflate

test/test_environment.rb

@@ -361,7 +361,7 @@ def self.test(name, &block)
   end
 
   test "missing asset returns nil" do
-    assert_equal nil, @env["missing.js"]
+    assert_nil @env["missing.js"]
   end
 
   test "missing asset path returns nil" do

test/test_erb_processor.rb

@@ -3,7 +3,7 @@
 require 'sprockets/cache'
 require 'sprockets/erb_processor'
 
-class TestERBProcessor < MiniTest::Test
+class TestERBProcessor < Minitest::Test
 
   def uri_path(path)
     path = '/' + path if path[1] == ':' # Windows path / drive letter

test/test_http_utils.rb

@@ -1,7 +1,7 @@
 require 'minitest/autorun'
 require 'sprockets/http_utils'
 
-class TestHTTPUtils < MiniTest::Test
+class TestHTTPUtils < Minitest::Test
   include Sprockets::HTTPUtils
 
   def test_match_mime_type

test/test_jst_processor.rb

@@ -2,7 +2,7 @@
 require 'sprockets/cache'
 require 'sprockets/jst_processor'
 
-class TestJstProcessor < MiniTest::Test
+class TestJstProcessor < Minitest::Test
   def test_export_js_template_in_JST
     input = {
       name: 'users/show',