#!/usr/bin/env python
from __future__ import print_function
import unittest
from ruffus import pipeline_run, Pipeline, parallel, proxy_logger
import ruffus

"""

    test_exceptions.py

"""


import os
import sys
import logging

# add grandparent to search path for testing
grandparent_dir = os.path.abspath(
    os.path.join(os.path.dirname(__file__), "..", ".."))
sys.path.insert(0, grandparent_dir)

# module name = script name without extension
module_name = os.path.splitext(os.path.basename(__file__))[0]


# funky code to import by file name
parent_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))


def logging_factory(logger_name, listargs):
    root_logger = logging.getLogger(logger_name)
    root_logger.setLevel(logging.DEBUG)

    handler = logging.StreamHandler(sys.stderr)
    formatter_ = logging.Formatter("%(levelname)7s - %(message)s")
    handler.setFormatter(formatter_)
    handler.setLevel(logging.INFO)
    root_logger.addHandler(handler)
    return root_logger


log, log_mutex = proxy_logger.make_shared_logger_and_proxy(
    logging_factory, __name__, [])


# 88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888

#   Tasks


# 88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888

@parallel([['A', 1], ['B', 3], ['C', 3], ['D', 4], ['E', 4], ['F', 4]])
def parallel_task(name, param1):
    sys.stderr.write("    Parallel task %s: \n" % name)
    #raise task.JobSignalledBreak("Oops! I did it again!")
    with log_mutex:
        log.info("    Raising exception")
    raise Exception("new")


try:
    from StringIO import StringIO
except:
    from io import StringIO


class Test_ruffus(unittest.TestCase):
    def test_ruffus(self):
        try:
            pipeline_run(multiprocess=50, verbose=0, pipeline="main")
        except ruffus.ruffus_exceptions.RethrownJobError:
            return
        raise Exception("Missing exception")

    def test_exception_logging(self):
        try:
            pipeline_run(multiprocess=50, verbose=0, pipeline="main")
        except ruffus.ruffus_exceptions.RethrownJobError as e:
            log.info(e)
            for exc in e.args:
                task_name, job_name, exc_name, exc_value, exc_stack = exc
            return
        raise Exception("Missing exception")

    def test_newstyle_ruffus(self):
        test_pipeline = Pipeline("test")
        test_pipeline.parallel(parallel_task, [['A', 1], ['B', 3], [
                               'C', 3], ['D', 4], ['E', 4], ['F', 4]])
        try:
            test_pipeline.run(multiprocess=50, verbose=0)
        except ruffus.ruffus_exceptions.RethrownJobError:
            return
        raise Exception("Missing exception")


if __name__ == '__main__':
    unittest.main()