From 378a65a909439ebca909125fdfada23ed89cec63 Mon Sep 17 00:00:00 2001
From: Yehuda Katz + Carl Lerche <ykatz+clerche@engineyard.com>
Date: Thu, 2 Jul 2009 17:52:46 -0700
Subject: Added tests for the :install_gem_spec_stubs initializer

---
 .../test/initializer/check_ruby_version_test.rb    | 10 +--
 .../initializer/install_gem_spec_stubs_test.rb     | 85 ++++++++++++++++++++++
 railties/test/initializer/path_test.rb             | 10 +--
 railties/test/initializer/test_helper.rb           | 24 ++++++
 4 files changed, 111 insertions(+), 18 deletions(-)
 create mode 100644 railties/test/initializer/install_gem_spec_stubs_test.rb
 create mode 100644 railties/test/initializer/test_helper.rb

(limited to 'railties/test/initializer')

diff --git a/railties/test/initializer/check_ruby_version_test.rb b/railties/test/initializer/check_ruby_version_test.rb
index 12503fb481..33de653906 100644
--- a/railties/test/initializer/check_ruby_version_test.rb
+++ b/railties/test/initializer/check_ruby_version_test.rb
@@ -1,12 +1,4 @@
-require 'abstract_unit'
-require 'active_support/ruby/shim'
-require 'initializer'
-
-RAILS_ROOT.replace File.join(File.dirname(__FILE__), "root")
-
-module Rails
-  def self.vendor_rails? ; false ; end
-end
+require "initializer/test_helper"
 
 module InitializerTests
   class PathsTest < ActiveSupport::TestCase
diff --git a/railties/test/initializer/install_gem_spec_stubs_test.rb b/railties/test/initializer/install_gem_spec_stubs_test.rb
new file mode 100644
index 0000000000..2e94c9968f
--- /dev/null
+++ b/railties/test/initializer/install_gem_spec_stubs_test.rb
@@ -0,0 +1,85 @@
+require "initializer/test_helper"
+
+module InitializerTests
+  class GemSpecStubsTest < ActiveSupport::TestCase
+    include ActiveSupport::Testing::Isolation
+
+    def setup
+      $stderr = StringIO.new
+    end
+
+    test "user has an old boot.rb (defined by having no Rails.vendor_rails?)" do
+      class << Rails
+        undef vendor_rails?
+      end
+
+      assert_stderr(/outdated/) do
+        assert_raises(SystemExit) do
+          Rails::Initializer.run { |c| c.frameworks = [] }
+        end
+      end
+    end
+
+    test "requires rubygems" do
+      Kernel.module_eval do
+        alias old_require require
+        def require(name)
+          $rubygems_required = true if name == "rubygems"
+          old_require(name)
+        end
+      end
+
+      Rails.vendor_rails = true
+      Rails::Initializer.run { |c| c.frameworks = [] }
+      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
+
+    test "adds fake Rubygems stubs if a framework is not loaded in Rubygems and we've vendored" do
+      Rails.vendor_rails = true
+
+      Rails::Initializer.run { |c| c.frameworks = [] }
+
+      %w(rails activesupport activerecord actionpack actionmailer activeresource).each do |stub|
+        gem_spec = Gem.loaded_specs[stub]
+        assert_equal Gem::Version.new(Rails::VERSION::STRING), gem_spec.version
+        assert_equal stub, gem_spec.name
+        assert_equal "", gem_spec.loaded_from
+      end
+    end
+
+    test "doesn't replace gem specs that are already loaded" do
+      Rails.vendor_rails = true
+
+      Gem.loaded_specs["rails"] = Gem::Specification.new do |s|
+        s.name = "rails"
+        s.version = Rails::VERSION::STRING
+        s.loaded_from = "/foo/bar/baz"
+      end
+
+      Rails::Initializer.run { |c| c.frameworks = [] }
+
+      assert_equal "/foo/bar/baz", Gem.loaded_specs["rails"].loaded_from
+
+      %w(activesupport activerecord actionpack actionmailer activeresource).each do |stub|
+        gem_spec = Gem.loaded_specs[stub]
+        assert_equal Gem::Version.new(Rails::VERSION::STRING), gem_spec.version
+        assert_equal stub, gem_spec.name
+        assert_equal "", gem_spec.loaded_from
+      end
+    end
+  end
+end
\ No newline at end of file
diff --git a/railties/test/initializer/path_test.rb b/railties/test/initializer/path_test.rb
index db62796ea5..26f796f93d 100644
--- a/railties/test/initializer/path_test.rb
+++ b/railties/test/initializer/path_test.rb
@@ -1,12 +1,4 @@
-require 'abstract_unit'
-require 'active_support/ruby/shim'
-require 'initializer'
-
-RAILS_ROOT.replace File.join(File.dirname(__FILE__), "root")
-
-module Rails
-  def self.vendor_rails? ; false ; end
-end
+require "initializer/test_helper"
 
 class PathsTest < ActiveSupport::TestCase
   include ActiveSupport::Testing::Isolation
diff --git a/railties/test/initializer/test_helper.rb b/railties/test/initializer/test_helper.rb
new file mode 100644
index 0000000000..ddb03397ab
--- /dev/null
+++ b/railties/test/initializer/test_helper.rb
@@ -0,0 +1,24 @@
+require 'abstract_unit'
+require 'active_support/ruby/shim'
+require 'initializer'
+
+RAILS_ROOT.replace File.join(File.dirname(__FILE__), "root")
+
+module Rails
+  class << self
+    attr_accessor :vendor_rails
+    def vendor_rails?() @vendor_rails end
+  end
+end
+
+class ActiveSupport::TestCase
+  def assert_stderr(match)
+    $stderr = StringIO.new
+    yield
+    $stderr.rewind
+    err = $stderr.read
+    assert_match match, err
+  ensure
+    $stderr = STDERR
+  end
+end
\ No newline at end of file
-- 
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