#Copyright ReportLab Europe Ltd. 2000-2004
#see license.txt for license details
"""Tests for the reportlab.lib.sequencer module.
"""
__version__='''$Id: test_lib_sequencer.py 3288 2008-09-15 11:03:17Z rgbecker $'''
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 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()
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