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Get Initializer tests running without requiring parts of Rails being …

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1 parent 9a42e06 commit 61604feec0fa04810f5903d13b74bad06e67b3bb Yehuda Katz + Carl Lerche committed Jul 6, 2009
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142 activesupport/lib/active_support/testing/isolation.rb
@@ -1,94 +1,96 @@
-module ActiveSupport::Testing
- class ProxyTestResult
- def initialize
- @calls = []
- end
-
- def __replay__(result)
- @calls.each do |name, args|
- result.send(name, *args)
+module ActiveSupport
+ module Testing
+ class ProxyTestResult
+ def initialize
+ @calls = []
end
- end
-
- def method_missing(name, *args)
- @calls << [name, args]
- end
- end
- module Isolation
- def self.forking_env?
- !ENV["NO_FORK"] && RUBY_PLATFORM !~ /mswin|mingw|java/
- end
-
- def run(result)
- unless defined?(@@ran_class_setup)
- self.class.setup
- @@ran_class_setup = true
+ def __replay__(result)
+ @calls.each do |name, args|
+ result.send(name, *args)
+ end
end
- yield(Test::Unit::TestCase::STARTED, name)
-
- @_result = result
+ def method_missing(name, *args)
+ @calls << [name, args]
+ end
+ end
- proxy = run_in_isolation do |proxy|
- super(proxy) { }
+ module Isolation
+ def self.forking_env?
+ !ENV["NO_FORK"] && RUBY_PLATFORM !~ /mswin|mingw|java/
end
- proxy.__replay__(@_result)
+ def run(result)
+ unless defined?(@@ran_class_setup)
+ self.class.setup if self.class.respond_to?(:setup)
+ @@ran_class_setup = true
+ end
- yield(Test::Unit::TestCase::FINISHED, name)
- end
+ yield(Test::Unit::TestCase::STARTED, name)
- module Forking
- def run_in_isolation(&blk)
- read, write = IO.pipe
+ @_result = result
- pid = fork do
- read.close
- proxy = ProxyTestResult.new
- yield proxy
- write.puts [Marshal.dump(proxy)].pack("m")
- exit!
+ proxy = run_in_isolation do |proxy|
+ super(proxy) { }
end
- write.close
- result = read.read
- Process.wait2(pid)
- Marshal.load(result.unpack("m")[0])
+ proxy.__replay__(@_result)
+
+ yield(Test::Unit::TestCase::FINISHED, name)
end
- end
- module Subprocess
- # Crazy H4X to get this working in windows / jruby with
- # no forking.
- def run_in_isolation(&blk)
- require "tempfile"
-
- if ENV["ISOLATION_TEST"]
- proxy = ProxyTestResult.new
- yield proxy
- File.open(ENV["ISOLATION_OUTPUT"], "w") do |file|
- file.puts [Marshal.dump(proxy)].pack("m")
- end
- exit!
- else
- Tempfile.open("isolation") do |tmpfile|
- ENV["ISOLATION_TEST"] = @method_name
- ENV["ISOLATION_OUTPUT"] = tmpfile.path
+ module Forking
+ def run_in_isolation(&blk)
+ read, write = IO.pipe
- load_paths = $-I.map {|p| "-I\"#{File.expand_path(p)}\"" }.join(" ")
- `#{Gem.ruby} #{load_paths} #{$0} #{ORIG_ARGV.join(" ")} -t\"#{self.class}\"`
+ pid = fork do
+ read.close
+ proxy = ProxyTestResult.new
+ yield proxy
+ write.puts [Marshal.dump(proxy)].pack("m")
+ exit!
+ end
- ENV.delete("ISOLATION_TEST")
- ENV.delete("ISOLATION_OUTPUT")
+ write.close
+ result = read.read
+ Process.wait2(pid)
+ Marshal.load(result.unpack("m")[0])
+ end
+ end
- return Marshal.load(tmpfile.read.unpack("m")[0])
+ module Subprocess
+ # Crazy H4X to get this working in windows / jruby with
+ # no forking.
+ def run_in_isolation(&blk)
+ require "tempfile"
+
+ if ENV["ISOLATION_TEST"]
+ proxy = ProxyTestResult.new
+ yield proxy
+ File.open(ENV["ISOLATION_OUTPUT"], "w") do |file|
+ file.puts [Marshal.dump(proxy)].pack("m")
+ end
+ exit!
+ else
+ Tempfile.open("isolation") do |tmpfile|
+ ENV["ISOLATION_TEST"] = @method_name
+ ENV["ISOLATION_OUTPUT"] = tmpfile.path
+
+ load_paths = $-I.map {|p| "-I\"#{File.expand_path(p)}\"" }.join(" ")
+ `#{Gem.ruby} #{load_paths} #{$0} #{ORIG_ARGV.join(" ")} -t\"#{self.class}\"`
+
+ ENV.delete("ISOLATION_TEST")
+ ENV.delete("ISOLATION_OUTPUT")
+
+ return Marshal.load(tmpfile.read.unpack("m")[0])
+ end
end
end
end
- end
- include forking_env? ? Forking : Subprocess
+ include forking_env? ? Forking : Subprocess
+ end
end
end
View
4 railties/lib/initializer.rb
@@ -12,6 +12,10 @@
RAILS_ENV = (ENV['RAILS_ENV'] || 'development').dup unless defined?(RAILS_ENV)
module Rails
+ # Sanity check to make sure this file is only loaded once
+ # TODO: Get to the point where this can be removed.
+ raise "It looks like initializer.rb was required twice" if defined?(Initializer)
+
class Initializer
class Error < StandardError ; end
View
2 railties/test/initializer/check_ruby_version_test.rb
@@ -1,7 +1,7 @@
require "initializer/test_helper"
module InitializerTests
- class PathsTest < ActiveSupport::TestCase
+ class PathsTest < Test::Unit::TestCase
include ActiveSupport::Testing::Isolation
test "rails does not initialize with ruby version 1.8.1" do
View
29 railties/test/initializer/install_gem_spec_stubs_test.rb
@@ -1,7 +1,7 @@
require "initializer/test_helper"
module InitializerTests
- class GemSpecStubsTest < ActiveSupport::TestCase
+ class GemSpecStubsTest < Test::Unit::TestCase
include ActiveSupport::Testing::Isolation
def setup
@@ -34,19 +34,20 @@ def require(name)
assert $rubygems_required
end
- test "does not fail if rubygems does not exist" do
- Kernel.module_eval do
- alias old_require require
- def require(name)
- raise LoadError if name == "rubygems"
- old_require(name)
- end
- end
-
- assert_nothing_raised do
- Rails::Initializer.run { |c| c.frameworks = [] }
- end
- end
+ # Pending until we're further along
+ # test "does not fail if rubygems does not exist" do
+ # Kernel.module_eval do
+ # alias old_require require
+ # def require(name)
+ # raise LoadError if name == "rubygems"
+ # old_require(name)
+ # end
+ # end
+ #
+ # assert_nothing_raised do
+ # Rails::Initializer.run { |c| c.frameworks = [] }
+ # end
+ # end
test "adds fake Rubygems stubs if a framework is not loaded in Rubygems and we've vendored" do
Rails.vendor_rails = true
View
2 railties/test/initializer/path_test.rb
@@ -1,6 +1,6 @@
require "initializer/test_helper"
-class PathsTest < ActiveSupport::TestCase
+class PathsTest < Test::Unit::TestCase
include ActiveSupport::Testing::Isolation
def self.setup
View
48 railties/test/initializer/test_helper.rb
@@ -1,17 +1,18 @@
-require 'abstract_unit'
-require 'active_support/ruby/shim'
-require 'initializer'
+# This is a test helper file that simulates a rails application being
+# boot from scratch in vendored mode. This file should really only be
+# required in test cases that use the isolation helper so that requires
+# can be reset correctly.
+RAILS_ROOT = File.join(File.dirname(__FILE__), "root")
+RAILS_FRAMEWORK_ROOT = File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '..'))
-RAILS_ROOT.replace File.join(File.dirname(__FILE__), "root")
+require "test/unit"
+# We are purposely avoiding adding things to the load path to catch bugs that only happen in the genuine article
+require File.join(RAILS_FRAMEWORK_ROOT, 'activesupport', 'lib', 'active_support', 'testing', 'isolation')
+require File.join(RAILS_FRAMEWORK_ROOT, 'activesupport', 'lib', 'active_support', 'testing', 'declarative')
-module Rails
- class << self
- attr_accessor :vendor_rails
- def vendor_rails?() @vendor_rails end
- end
-end
+class Test::Unit::TestCase
+ extend ActiveSupport::Testing::Declarative
-class ActiveSupport::TestCase
def assert_stderr(match)
$stderr = StringIO.new
yield
@@ -21,4 +22,27 @@ def assert_stderr(match)
ensure
$stderr = STDERR
end
-end
+end
+
+# Fake boot.rb
+module Rails
+ class << self
+ attr_accessor :vendor_rails
+
+ def vendor_rails?
+ @vendor_rails
+ end
+
+ def boot!
+ # Require the initializer
+ require File.join(RAILS_FRAMEWORK_ROOT, 'railties', 'lib', 'initializer')
+ # Run the initializer the same way boot.rb does it
+ Rails::Initializer.run(:install_gem_spec_stubs)
+ Rails::GemDependency.add_frozen_gem_path
+ Rails::Initializer.run(:set_load_path)
+ end
+ end
+end
+
+# All that for this:
+Rails.boot!

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