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Merge pull request #3845 from sumbach/test-return-value-from-require

Add tests for the return value of require
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2 parents 3134b46 + cfc467f commit c24928c3add46e8d55bc246fbc6cdb6fd8f59d30 @tenderlove tenderlove committed Dec 4, 2011
Showing with 79 additions and 0 deletions.
  1. +79 −0 activesupport/test/dependencies_test.rb
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79 activesupport/test/dependencies_test.rb
@@ -258,6 +258,85 @@ def test_doesnt_break_normal_require_nested
$:.replace(original_path)
end
+ def test_require_returns_true_when_file_not_yet_required
+ path = File.expand_path("../autoloading_fixtures/load_path", __FILE__)
+ original_path = $:.dup
+ original_features = $".dup
+ $:.push(path)
+
+ with_loading do
+ assert_equal true, require('loaded_constant')
+ end
+ ensure
+ remove_constants(:LoadedConstant)
+ $".replace(original_features)
+ $:.replace(original_path)
+ end
+
+ def test_require_returns_true_when_file_not_yet_required_even_when_no_new_constants_added
+ path = File.expand_path("../autoloading_fixtures/load_path", __FILE__)
+ original_path = $:.dup
+ original_features = $".dup
+ $:.push(path)
+
+ with_loading do
+ Object.module_eval "module LoadedConstant; end"
+ assert_equal true, require('loaded_constant')
+ end
+ ensure
+ remove_constants(:LoadedConstant)
+ $".replace(original_features)
+ $:.replace(original_path)
+ end
+
+ def test_require_returns_false_when_file_already_required
+ path = File.expand_path("../autoloading_fixtures/load_path", __FILE__)
+ original_path = $:.dup
+ original_features = $".dup
+ $:.push(path)
+
+ with_loading do
+ require 'loaded_constant'
+ assert_equal false, require('loaded_constant')
+ end
+ ensure
+ remove_constants(:LoadedConstant)
+ $".replace(original_features)
+ $:.replace(original_path)
+ end
+
+ def test_require_raises_load_error_when_file_not_found
+ with_loading do
+ assert_raise(LoadError) { require 'this_file_dont_exist_dude' }
+ end
+ ensure
+ remove_constants(:LoadedConstant)
+ end
+
+ def test_load_returns_true_when_file_found
+ path = File.expand_path("../autoloading_fixtures/load_path", __FILE__)
+ original_path = $:.dup
+ original_features = $".dup
+ $:.push(path)
+
+ with_loading do
+ assert_equal true, load('loaded_constant.rb')
+ assert_equal true, load('loaded_constant.rb')
+ end
+ ensure
+ remove_constants(:LoadedConstant)
+ $".replace(original_features)
+ $:.replace(original_path)
+ end
+
+ def test_load_raises_load_error_when_file_not_found
+ with_loading do
+ assert_raise(LoadError) { load 'this_file_dont_exist_dude.rb' }
+ end
+ ensure
+ remove_constants(:LoadedConstant)
+ end
+
def failing_test_access_thru_and_upwards_fails
with_autoloading_fixtures do
assert ! defined?(ModuleFolder)

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