#see license.txt for license details

"""Tests for the reportlab.lib.sequencer module.

"""

__version__='3.3.0'

from reportlab.lib.testutils import setOutDir,makeSuiteForClasses, printLocation

setOutDir(__name__)

import sys, random

import unittest

from reportlab.lib.sequencer import Sequencer

class SequencerTestCase(unittest.TestCase):

    "Test Sequencer usage."

    def test0(self):

        "Test sequencer default counter."

        seq = Sequencer()

        msg = 'Initial value is not zero!'

        assert seq._this() == 0, msg

    def test1(self):

        "Test incrementing default counter."

        seq = Sequencer()

        for i in range(1, 101):

            n = seq.next()

            msg = 'Sequence value is not correct!'

            assert seq._this() == n, msg

    def test2(self):

        "Test resetting default counter."

        seq = Sequencer()

        start = seq._this()

        for i in range(1, 101):

            n = seq.next()

        seq.reset()

        msg = 'Sequence value not correctly reset!'

        assert seq._this() == start, msg

    def test3(self):

        "Test incrementing dedicated counter."

        seq = Sequencer()

        for i in range(1, 101):

            n = seq.next('myCounter1')

            msg = 'Sequence value is not correct!'

            assert seq._this('myCounter1') == n, msg

    def test4(self):

        "Test resetting dedicated counter."

        seq = Sequencer()

        start = seq._this('myCounter1')

        for i in range(1, 101):

            n = seq.next('myCounter1')

        seq.reset('myCounter1')

        msg = 'Sequence value not correctly reset!'

        assert seq._this('myCounter1') == start, msg

    def test5(self):

        "Test incrementing multiple dedicated counters."

        seq = Sequencer()

        startMyCounter0 = seq._this('myCounter0')

        startMyCounter1 = seq._this('myCounter1')

        for i in range(1, 101):

            n = seq.next('myCounter0')

            msg = 'Sequence value is not correct!'

            assert seq._this('myCounter0') == n, msg

            m = seq.next('myCounter1')

            msg = 'Sequence value is not correct!'

            assert seq._this('myCounter1') == m, msg

    def testChain(self):

        "Test auto resetting of subsections"

        seq = Sequencer()

        seq.chain('h1', 'h2')  #creates them and links

        self.assertEquals(seq.next('h1'), 1)

        self.assertEquals(seq.next('h1'), 2)

        self.assertEquals(seq.next('h2'), 1)

        self.assertEquals(seq.next('h2'), 2)

        self.assertEquals(seq.next('h2'), 3)

        #start chapter 3

        self.assertEquals(seq.next('h1'), 3)

        #...and the first section should be numbered 1, not 4

        self.assertEquals(seq.next('h2'), 1)        

##    def testRandom(self):

##        "Test randomly manipulating multiple dedicated counters."

##

##        seq = Sequencer()

##        counterNames = ['c0', 'c1', 'c2', 'c3']

##

##        # Init.

##        for cn in counterNames:

##            setattr(self, cn, seq._this(cn))

##            msg = 'Counter start value is not correct!'

##            assert seq._this(cn) == 0, msg

##

##        # Increment/decrement.

##        for i in range(1, 101):

##            n = seq.next('myCounter0')

##            msg = 'Sequence value is not correct!'

##            assert seq._this('myCounter0') == n, msg

##            m = seq.next('myCounter1')

##            msg = 'Sequence value is not correct!'

##            assert seq._this('myCounter1') == m, msg

def makeSuite():

    return makeSuiteForClasses(SequencerTestCase)

#noruntests

if __name__ == "__main__":

    unittest.TextTestRunner().run(makeSuite())

    printLocation()