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

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Add tests for the return value of require
This commit is contained in:
Aaron Patterson 2011-12-04 11:22:09 -08:00
commit c24928c3ad
1 changed files with 79 additions and 0 deletions
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79
activesupport/test/dependencies_test.rb
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@ -258,6 +258,85 @@ class DependenciesTest < Test::Unit::TestCase
$:.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)