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require 'tempfile'
require 'thread'
describe 'JRUBY-3194: threaded autoload' do
before :each do
@loaded_features = $".dup
end
after :each do
$".replace @loaded_features
end
def add_autoload(path)
eval <<-END
class Object
autoload :SpecRegressionJruby3194, #{path.dump}
end
END
end
def remove_autoload_constant
eval <<-END
class Object
remove_const(:SpecRegressionJruby3194)
end
END
end
it 'should not raise recursive autoload' do
file = Tempfile.open(['autoload', '.rb'])
file.puts 'class Object; SpecRegressionJruby3194 = 1; end'
file.close
add_autoload(file.path)
begin
lambda {
(require file.path).should == true
SpecRegressionJruby3194.should == 1
}.should_not raise_error
ensure
remove_autoload_constant
end
end
it 'should not raise for accessing a constant' do
file = Tempfile.open(['autoload', '.rb'])
file.puts 'sleep 0.5; class SpecRegressionJruby3194; X = 1; end'
file.close
add_autoload(file.path)
begin
lambda {
t1 = Thread.new { SpecRegressionJruby3194::X }
t2 = Thread.new { SpecRegressionJruby3194::X }
[t1, t2].each(&:join)
}.should_not raise_error
ensure
remove_autoload_constant
end
end
it 'should not raise for accessing an inner constant' do
file = Tempfile.open(['autoload', '.rb'])
file.puts 'class SpecRegressionJruby3194; sleep 0.5; X = 1; end'
file.close
add_autoload(file.path)
begin
lambda {
t1 = Thread.new { SpecRegressionJruby3194::X }
t2 = Thread.new { SpecRegressionJruby3194::X }
[t1, t2].each(&:join)
}.should_not raise_error
ensure
remove_autoload_constant
end
end
it 'should raise NameError when autoload did not define the constant' do
file = Tempfile.open(['autoload', '.rb'])
file.puts ''
file.close
add_autoload(file.path)
begin
lambda {
SpecRegressionJruby3194
}.should raise_error NameError
ensure
remove_autoload_constant
end
end
it 'should allow to override autoload with constant' do
file = Tempfile.open(['autoload', '.rb'])
file.puts ''
file.close
add_autoload(file.path)
begin
class SpecRegressionJruby3194
end
SpecRegressionJruby3194.class.should == Class
ensure
remove_autoload_constant
end
end
end
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