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'''
Created on Sep 9, 2018

@author: haidong
'''
import unittest

from collections import namedtuple

from sources.covering_segment import getSortedListOfSegs, getOptimalPoints

Segment = namedtuple('Segment', 'start end')

class Test(unittest.TestCase):


    def testNameSegment(self):
        s1 = Segment(1,2)
        self.assertEqual(s1.start, 1)
        self.assertEqual(s1.end, 2)

    def testGetSortedListOfSegs1(self):
        s1 = Segment(3,4)
        s2 = Segment(1,2)
        segList = [s1, s2]
        self.assertEqual(getSortedListOfSegs(segList), [s2, s1])

    def testGetSortedListOfSegs2(self):
        s1 = Segment(3,8)
        s2 = Segment(3,5)
        segList = [s1, s2]
        self.assertEqual(getSortedListOfSegs(segList), [s2, s1])

    def testGetOptimalPoints(self):
        s1 = Segment(1,3)
        s2 = Segment(2,5)
        s3 = Segment(3,6)
        segList = [s1, s2, s3]
        segList.sort()
        result = getOptimalPoints(segList)
        self.assertEqual(len(result), 1)

    def testGetOptimalPoints1(self):
        s1 = Segment(4,7)
        s2 = Segment(1,3)
        s3 = Segment(2,5)
        s4 = Segment(5,6)
        segList = [s1, s2, s3, s4]
        segList.sort()
        result = getOptimalPoints(segList)
        self.assertEqual(len(result), 2)


if __name__ == "__main__":
    #import sys;sys.argv = ['', 'Test.testName']
    unittest.main()