BerGeo/h2/tmptest.py

import random
from time import time
from collections import namedtuple
import util
from gift_wrapper import rapper
from graham import graham_scan
from mbc import mbc
from quick_hull import quick_hull
import os.path

#random.seed(1337_420)

TimedResult = namedtuple("TimedResult", "algorithm points running_time")


def time_it(f: callable, args: tuple = (), iterations=1):
    start = time()
    for i in range(iterations):
        f(*args)
    return str(time() - start)


def initiate_file(file):
    with open(file, "w+") as tmp:
        tmp.write("algorithm\t\tpoints\t\ttime")


def write_to_log(file, data):

    if not os.path.isfile(file):
        initiate_file(file)

    tmp = []
    for res in data:
        line = str.join("\t\t", res)
        print(line)
        tmp.append(line)

    write_string = "\n" + str.join("\n", tmp)

    with open(file, "a+") as open_file:
        open_file.write(write_string)


def do_square_tests(amount_of_points):
    points_square = {util.gen_point(0, 100) for _ in range(amount_of_points)}
    amount_of_points = str(amount_of_points)

    results = [TimedResult("graham", amount_of_points, time_it(graham_scan, args=(points_square,))),
               TimedResult("gift", amount_of_points, time_it(rapper, args=(points_square,))),
               TimedResult("quick", amount_of_points, time_it(quick_hull, args=(points_square,))),
               TimedResult("mbch", amount_of_points, time_it(mbc, args=(points_square,)))]

    write_to_log("square_tests.log", results)


def do_circular_tests(amount_of_points):
    points_circular = {util.gen_point(0, 100) for _ in range(amount_of_points)}

    results = [TimedResult("graham", amount_of_points, time_it(graham_scan, args=(points_circular,))),
               TimedResult("gift", amount_of_points, time_it(rapper, args=(points_circular,))),
               TimedResult("quick", amount_of_points, time_it(quick_hull, args=(points_circular,))),
               TimedResult("mbc", amount_of_points, time_it(mbc, args=(points_circular,)))]

    write_to_log("circular_tests.log", results)


def do_triangular_tests(amount_of_points):
    left, right, top = util.Point(1,1), util.Point(51,1), util.Point(26,40)
    points = {util.gen_triangular_point(left, right, top) for _ in range(amount_of_points)}

    results = [TimedResult("graham", amount_of_points, time_it(graham_scan, args=(points,))),
               TimedResult("gift", amount_of_points, time_it(rapper, args=(points,))),
               TimedResult("quick", amount_of_points, time_it(quick_hull, args=(points,))),
               TimedResult("mbc", amount_of_points, time_it(mbc, args=(points,)))]

    write_to_log("triangular_tests.log", results)


def do_quadratic_tests(amount_of_points):
    points = {util.gen_weird_point(-10, 10) for _ in range(amount_of_points)}

    results = [TimedResult("graham", amount_of_points, time_it(graham_scan, args=(points,))),
               TimedResult("gift", amount_of_points, time_it(rapper, args=(points,))),
               TimedResult("quick", amount_of_points, time_it(quick_hull, args=(points,))),
               TimedResult("mbc", amount_of_points, time_it(mbc, args=(points,)))]

    write_to_log("quadratic_tests.log", results)


def sanity_check():
    points = {util.gen_point(1, 50) for i in range(100)}
    graham = set(graham_scan(points))
    gift = set(rapper(points))
    quick = quick_hull(points)
    mbch = set.union(mbc(points))
    assert gift == graham == quick == mbch


if __name__ == '__main__':
    sanity_check()
    for i in range(50, 1000, 50):
        do_square_tests(i)