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direc = File.expand_path(File.dirname(__FILE__))
require 'rubygems'
require 'bacon'
require "#{direc}/../lib/method_source"
require "#{direc}/test_helper"
describe MethodSource do
describe "source_location (testing 1.8 implementation)" do
it 'should return correct source_location for a method' do
method(:hello).source_location.first.should =~ /test_helper/
end
it 'should not raise for immediate instance methods' do
[Symbol, Fixnum, TrueClass, FalseClass, NilClass].each do |immediate_class|
lambda { immediate_class.instance_method(:to_s).source_location }.should.not.raise
end
end
it 'should not raise for immediate methods' do
[:a, 1, true, false, nil].each do |immediate|
lambda { immediate.method(:to_s).source_location }.should.not.raise
end
end
end
before do
@hello_module_source = " def hello; :hello_module; end\n"
@hello_singleton_source = "def $o.hello; :hello_singleton; end\n"
@hello_source = "def hello; :hello; end\n"
@hello_comment = "# A comment for hello\n# It spans two lines and is indented by 2 spaces\n"
@lambda_comment = "# This is a comment for MyLambda\n"
@lambda_source = "MyLambda = lambda { :lambda }\n"
@proc_source = "MyProc = Proc.new { :proc }\n"
@hello_instance_evaled_source = " def hello_\#{name}(*args)\n send_mesg(:\#{name}, *args)\n end\n"
@hello_instance_evaled_source_2 = " def \#{name}_two()\n if 44\n 45\n end\n end\n"
@hello_class_evaled_source = " def hello_\#{name}(*args)\n send_mesg(:\#{name}, *args)\n end\n"
@hi_module_evaled_source = " def hi_\#{name}\n @var = \#{name}\n end\n"
end
it 'should define methods on Method and UnboundMethod and Proc' do
Method.method_defined?(:source).should == true
UnboundMethod.method_defined?(:source).should == true
Proc.method_defined?(:source).should == true
end
describe "Methods" do
it 'should return source for method' do
method(:hello).source.should == @hello_source
end
it 'should return source for a method defined in a module' do
M.instance_method(:hello).source.should == @hello_module_source
end
it 'should return source for a singleton method as an instance method' do
class << $o; self; end.instance_method(:hello).source.should == @hello_singleton_source
end
it 'should return source for a singleton method' do
$o.method(:hello).source.should == @hello_singleton_source
end
it 'should return a comment for method' do
method(:hello).comment.should == @hello_comment
end
# These tests fail because of http://jira.codehaus.org/browse/JRUBY-4576
unless defined?(RUBY_ENGINE) && RUBY_ENGINE == "jruby"
it 'should return source for an *_evaled method' do
M.method(:hello_name).source.should == @hello_instance_evaled_source
M.method(:name_two).source.should == @hello_instance_evaled_source_2
M.instance_method(:hello_name).source.should == @hello_class_evaled_source
M.instance_method(:hi_name).source.should == @hi_module_evaled_source
end
end
it "should raise error for evaled methods that do not pass __FILE__ and __LINE__ + 1 as its arguments" do
lambda { M.instance_method(:name_three).source }.should.raise MethodSource::SourceNotFoundError
end
if !is_rbx?
it 'should raise for C methods' do
lambda { method(:puts).source }.should.raise MethodSource::SourceNotFoundError
end
end
end
# if RUBY_VERSION =~ /1.9/ || is_rbx?
describe "Lambdas and Procs" do
it 'should return source for proc' do
MyProc.source.should == @proc_source
end
it 'should return an empty string if there is no comment' do
MyProc.comment.should == ''
end
it 'should return source for lambda' do
MyLambda.source.should == @lambda_source
end
it 'should return comment for lambda' do
MyLambda.comment.should == @lambda_comment
end
end
# end
describe "Comment tests" do
before do
@comment1 = "# a\n# b\n"
@comment2 = "# a\n# b\n"
@comment3 = "# a\n#\n# b\n"
@comment4 = "# a\n# b\n"
@comment5 = "# a\n# b\n# c\n# d\n"
end
it "should correctly extract multi-line comments" do
method(:comment_test1).comment.should == @comment1
end
it "should correctly strip leading whitespace before comments" do
method(:comment_test2).comment.should == @comment2
end
it "should keep empty comment lines" do
method(:comment_test3).comment.should == @comment3
end
it "should ignore blank lines between comments" do
method(:comment_test4).comment.should == @comment4
end
it "should align all comments to same indent level" do
method(:comment_test5).comment.should == @comment5
end
end
end
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