backtraces/block_file_test.rb

tests/_examples/backtraces/block_file_test.rb in the metorex repository.

require_relative "block_file_runner"

def short(path)
  File.basename(path.to_s)
end

location = BlockFileRunner.call_block { BlockFileRunner.locate }
puts "call: #{short(location.path)}:#{location.lineno}"

location = BlockFileRunner.exec_block { BlockFileRunner.locate }
puts "instance_exec: #{short(location.path)}:#{location.lineno}"

begin
  BlockFileRunner.exec_block { raise "boom" }
rescue => error
  puts "raised: #{error.backtrace.first.sub(/\A.*\//, '')}"
end

location = BlockFileRunner.module_exec_block { BlockFileRunner.locate }
puts "module_exec: #{short(location.path)}:#{location.lineno}"

location = BlockFileRunner.class_exec_block { BlockFileRunner.locate }
puts "class_exec: #{short(location.path)}:#{location.lineno}"

begin
  BlockFileRunner.module_exec_block { raise "boom" }
rescue => error
  puts "module_exec raised: #{error.backtrace.first.sub(/\A.*\//, '')}"
end

Output:

call: block_file_test.rb:7
instance_exec: block_file_test.rb:10
raised: block_file_test.rb:14:in 'block in <main>'
module_exec: block_file_test.rb:19
class_exec: block_file_test.rb:22
module_exec raised: block_file_test.rb:26:in 'block in <main>'