#!/usr/bin/env python
"""

    test_follows_mkdir.py
    
        test make directory dependencies
        
        use :
            -j N / --jobs N       to speify multitasking
            -v                    to see the jobs in action
            -n / --just_print     to see what jobs would run               

"""


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#   options        


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from optparse import OptionParser
import sys, os
import os.path
import StringIO
import re,time

# add self to search path for testing
exe_path = os.path.split(os.path.abspath(sys.argv[0]))[0]
sys.path.insert(0,os.path.abspath(os.path.join(exe_path,"..", "..")))
if __name__ == '__main__':
    module_name = os.path.split(sys.argv[0])[1]
    module_name = os.path.splitext(module_name)[0];
else:
    module_name = __name__



import ruffus
parser = OptionParser(version="%%prog v1.0, ruffus v%s" % ruffus.ruffus_version.__version)
parser.add_option("-t", "--target_tasks", dest="target_tasks",
                  action="append",
                  default = list(),
                  metavar="JOBNAME", 
                  type="string",
                  help="Target task(s) of pipeline.")
parser.add_option("-f", "--forced_tasks", dest="forced_tasks",
                  action="append",
                  default = list(),
                  metavar="JOBNAME", 
                  type="string",
                  help="Pipeline task(s) which will be included even if they are up to date.")
parser.add_option("-j", "--jobs", dest="jobs",
                  default=1,
                  metavar="jobs", 
                  type="int",
                  help="Specifies  the number of jobs (commands) to run simultaneously.")
parser.add_option("-v", "--verbose", dest = "verbose",
                  action="count", default=0,
                  help="Do not echo to shell but only print to log.")
parser.add_option("-d", "--dependency", dest="dependency_file",
                  #default="simple.svg",
                  metavar="FILE", 
                  type="string",
                  help="Print a dependency graph of the pipeline that would be executed "
                        "to FILE, but do not execute it.")
parser.add_option("-F", "--dependency_graph_format", dest="dependency_graph_format",
                  metavar="FORMAT", 
                  type="string",
                  default = 'svg',
                  help="format of dependency graph file. Can be 'ps' (PostScript), "+
                  "'svg' 'svgz' (Structured Vector Graphics), " +
                  "'png' 'gif' (bitmap  graphics) etc ")
parser.add_option("-n", "--just_print", dest="just_print",
                    action="store_true", default=False,
                    help="Print a description of the jobs that would be executed, "
                        "but do not execute them.")
parser.add_option("-M", "--minimal_rebuild_mode", dest="minimal_rebuild_mode",
                    action="store_true", default=False,
                    help="Rebuild a minimum of tasks necessary for the target. "
                    "Ignore upstream out of date tasks if intervening tasks are fine.")
parser.add_option("-K", "--no_key_legend_in_graph", dest="no_key_legend_in_graph",
                    action="store_true", default=False,
                    help="Do not print out legend and key for dependency graph.")
parser.add_option("-H", "--draw_graph_horizontally", dest="draw_horizontally",
                    action="store_true", default=False,
                    help="Draw horizontal dependency graph.")

parameters = [  
                ]







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#   imports        


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import StringIO
import re
import operator
import sys,os
from collections import defaultdict
import random

sys.path.append(os.path.abspath(os.path.join(exe_path,"..", "..")))
from ruffus import *

# use simplejson in place of json for python < 2.6
try:
    import json
except ImportError:
    import simplejson
    json = simplejson

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#   Main logic


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# get help string
f =StringIO.StringIO()
parser.print_help(f)
helpstr = f.getvalue()
(options, remaining_args) = parser.parse_args()


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#   Tasks


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directories = [os.path.abspath('a'), 'b']    
@follows(mkdir(directories), mkdir('c'), mkdir('d', 'e'), mkdir('e'))
def task_which_makes_directories ():
    pass


import unittest

class Test_task_mkdir(unittest.TestCase):

    def setUp (self):
        """
        """
        pass
        
    def tearDown (self):
        """
        delete directories
        """
        for d in 'abcde':
            fullpath = os.path.join(exe_path, d)
            os.rmdir(fullpath)


    def test_mkdir (self):
        pipeline_run(options.target_tasks, options.forced_tasks, multiprocess = options.jobs,
                            logger = stderr_logger if options.verbose else black_hole_logger,
                            gnu_make_maximal_rebuild_mode  = not options.minimal_rebuild_mode,
                            verbose = options.verbose)
        
        for d in 'abcde':
            fullpath = os.path.join(exe_path, d)
            self.assert_(os.path.exists(fullpath))


if __name__ == '__main__':
    if options.just_print:
        pipeline_printout(sys.stdout, options.target_tasks, options.forced_tasks,
                            verbose = options.verbose,
                            gnu_make_maximal_rebuild_mode = not options.minimal_rebuild_mode)

    elif options.dependency_file:
        pipeline_printout_graph (     open(options.dependency_file, "w"),
                             options.dependency_graph_format,
                             options.target_tasks,
                             options.forced_tasks,
                             draw_vertically = not options.draw_horizontally,
                             gnu_make_maximal_rebuild_mode  = not options.minimal_rebuild_mode,
                             no_key_legend  = options.no_key_legend_in_graph)
    else:
        sys.argv= sys.argv[0:1]
        unittest.main()        

