Enable reloading in test environment

Rakefile

@@ -8,10 +8,16 @@ require "yard/mattr_accessor_handler"
 Rake::TestTask.new(:test) do |t|
   t.libs << "test"
   t.libs << "lib"
-  t.test_files = FileList["test/sandbox/**/*_test.rb", "test/view_component/**/*_test.rb"]
+  t.test_files = FileList["test/sandbox/**/*_test.rb"]
 end
 
-Rake::TestTask.new(:engine_test) do |t|
+Rake::TestTask.new(:test_rake) do |t|
+  t.libs << "test"
+  t.libs << "lib"
+  t.test_files = FileList["test/rake_test.rb"]
+end
+
+Rake::TestTask.new(:test_engine) do |t|
   t.libs << "test/test_engine"
   t.libs << "test/test_engine/lib"
   t.test_files = FileList["test/test_engine/**/*_test.rb"]
@@ -100,7 +106,14 @@ namespace :docs do
 
     error_keys = registry.keys.select { |key| key.to_s.include?("Error::MESSAGE") }.map(&:to_s)
 
-    docs = ActionController::Base.new.render_to_string(
+    require "action_controller/test_case"
+
+    request = ActionDispatch::TestRequest.create
+    request.session = ActionController::TestSession.new
+    controller = ActionController::Base.new
+    controller.request = request
+
+    docs = controller.render_to_string(
       ViewComponent::DocsBuilderComponent.new(
         sections: [
           ViewComponent::DocsBuilderComponent::Section.new(
@@ -128,10 +141,12 @@ namespace :docs do
       )
     ).chomp
 
-    File.open("docs/api.md", "w") do |f|
-      f.puts(docs)
+    if !ENV["RAILS_ENV"].present?
+      File.open("docs/api.md", "w") do |f|
+        f.puts(docs)
+      end
     end
   end
 end
 
-task default: [:test, :engine_test]
+task default: [:test, :test_engine, :test_rake]

lib/view_component.rb

@@ -10,7 +10,6 @@ module ViewComponent
   autoload :CaptureCompatibility
   autoload :Compiler
   autoload :CompileCache
-  autoload :ComponentError
   autoload :Config
   autoload :Deprecation
   autoload :InlineTemplate

test/rake_test.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+require "test_helper"
+require "rake"
+
+module ViewComponent
+  class RakeTest < TestCase
+    def test_statsetup_task
+      load "Rakefile"
+
+      assert_nothing_raised do
+        Rake::Task["docs:build"].invoke
+      end
+
+      Rake::Task.clear
+    end
+  end
+end

test/sandbox/config/environments/test.rb

@@ -16,7 +16,7 @@
   # your test database is "scratch space" for the test suite and is wiped
   # and recreated between test runs.  Don't rely on the data there!
 
-  config.cache_classes = true
+  config.enable_reloading = false
 
   # Show full error reports and disable caching
   config.consider_all_requests_local = true

test/sandbox/test/rendering_test.rb

@@ -433,18 +433,10 @@ def test_validations_component
   end
 
   def test_compiles_unrendered_component
-    # The UnreferencedComponent will get compiled at boot,
-    # but that might have been thrown away if code-reloading is enabled
-    skip unless Rails.application.config.cache_classes
-
     assert UnreferencedComponent.compiled?
   end
 
   def test_compiles_components_without_initializers
-    # MissingInitializerComponent will get compiled at boot,
-    # but that might have been thrown away if code-reloading is enabled
-    skip unless Rails.application.config.cache_classes
-
     assert MissingInitializerComponent.compiled?
   end
 

test/test_helper.rb

@@ -6,13 +6,20 @@
 require "rails/version"
 
 if ENV["MEASURE_COVERAGE"]
-  SimpleCov.start do
+  SimpleCov.start :rails do
     command_name "minitest-rails#{Rails::VERSION::STRING}-ruby#{RUBY_VERSION}"
 
     formatter SimpleCov::Formatter::Console
   end
 end
 
+require "view_component/version"
+
+ENV["RAILS_ENV"] = "test"
+require File.expand_path("sandbox/config/environment.rb", __dir__)
+require "rails/test_help"
+# Rails.application.eager_load!
+
 require "bundler/setup"
 require "pathname"
 require "minitest/autorun"
@@ -30,15 +37,9 @@ def self.warn(message)
   end
 end
 
-# Configure Rails Environment
-ENV["RAILS_ENV"] = "test"
-
 require "view_component/deprecation"
 ViewComponent::Deprecation.behavior = :silence
 
-require File.expand_path("sandbox/config/environment.rb", __dir__)
-require "rails/test_help"
-
 require "capybara/cuprite"
 
 # Rails registers its own driver named "cuprite" which will overwrite the one we