"""Unit test for the adaptive sampling"""
#      Copyright 2005, 2006 EIAO Consoritum
#      This program is distributed under the terms of the GNU General
#      Public License.
#
#  This file is part of the European Internet Accessibility Observatory
#  (EIAO)
#
#  EIAO is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#
#  EIAO is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with EIAO; if not, write to the Free Software
#  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
#  MA 02110-1301 USA

__author__ = "Morten Goodwin Olsen"
__maintainer__ = "Morten Goodwin Olsen"
__version__ = "$Id$"


import adaptivesampling
from adaptivesampling import *



import unittest, doctest
result = []

result.append(doctest.testmod(adaptivesampling))


class TestSequenceFunctions(unittest.TestCase):
    
    def setUp(self):
        reload(adaptivesampling)
        from urlrep import URLRepUtils3
        self.urlrep =  URLRepUtils3(sco=sc)

    def testSimpleAdaptiveSampling(self):
        """Testing that agregation function works"""
        result = getEARLCWAM2(''.join(open('input.earl','r').readlines()))
        #Need to round of to closest 10 decimals, because of Python float representation 
        #print result
	self.assert_(round(result,10)==round(0.5,10))

    def testUWEM10Aggregation(self):
        """Testing that the UWEM1.0 Aggregation works"""
        result = getEARLCWAM2(''.join(open('input3.earl','r').readlines()))
        #Need to round of to closest 10 decimals, because of Python float representation
        #input3.earl contains two equal fails, the result should still be 0.05 TG: no not anymore
        #print result
	self.assert_(round(result,10)==round(0.666666666667,10))


    def testEqualInputEqualResult(self):
        """Testing that equal input gives equal results"""
        self.assert_(getEARLCWAM2(''.join(open('input.earl','r').readlines()))==getEARLCWAM2(''.join(open('input.earl','r').readlines())))

    def testSimpleDynamic(self):
        """Testing that dynamic sampling of one sample is the same as aggregation of one sample"""
        self.assert_(getEARLCWAM2(''.join(open('input.earl','r').readlines()))==dynamic(0.05,'www.test.no',[''.join(open('input.earl','r').readlines())],self.urlrep,1,10)[1])

    def testDynamicReachesTrueValues(self):
        """Testing that the adaptive sampling is actually adaptive"""
        finito = False
        while not finito:
            dynamic(0.05,'www.test.no',[''.join(open('input.earl','r').readlines())],self.urlrep,1,10)
            dynamic(0.05,'www.test.no',[''.join(open('input2.earl','r').readlines())],self.urlrep,1,10)
            dynamic(0.05,'www.test.no',[''.join(open('input3.earl','r').readlines())],self.urlrep,1,10)
            dynamic(0.05,'www.test.no',[''.join(open('input4.earl','r').readlines())],self.urlrep,1,10)
            finito,res = dynamic(0.05,'www.test.no',[''.join(open('input5.earl','r').readlines())],self.urlrep,1,10)[0:2]
            self.urlrep.addSample('www.test.no',5)
        self.assert_(res==getAvgCWAM('www.test.no',1)[0])

    def testRetrieveUnwantedSiteInformation(self):
        """Testing that correct exceptions are raised when unwanted site information is retrieved"""
        fail = False
        try:
            getAvgCWAM('www.test.no',1)
        except NoSiteInformationError:
            fail = True
        self.assert_(fail)
        fail = False
        dynamic(0.05,'www.test.no',[''.join(open('input.earl','r').readlines())],self.urlrep,1,10)
        try:
            getAvgCWAM('www.test.no',1)
        except NoSiteInformationError:
            fail = True
        self.assert_(not fail)

    def testReachCorrectResult(self):
        """Testing that the dynamic sampling reaches correct results"""
        finito = False
        while not finito:
            dynamic(0.05,'www.test.no',[''.join(open('input.earl','r').readlines())],self.urlrep,1,10)
            dynamic(0.05,'www.test.no',[''.join(open('input2.earl','r').readlines())],self.urlrep,1,10)
            dynamic(0.05,'www.test.no',[''.join(open('input3.earl','r').readlines())],self.urlrep,1,10)
            dynamic(0.05,'www.test.no',[''.join(open('input4.earl','r').readlines())],self.urlrep,1,10)
            finito,res = dynamic(0.05,'www.test.no',[''.join(open('input5.earl','r').readlines())],self.urlrep,1,10)[0:2]
            self.urlrep.addSample('www.test.no',5)
	#print getAvgCWAM('www.test.no')[0]
	self.assert_(round(getAvgCWAM('www.test.no',1)[0], 10)==round(0.0748898678414, 10))
     

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