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#!/usr/bin/python
from subprocess import Popen, PIPE, STDOUT
import unittest
import xml.etree.ElementTree as ET
class ErrorTests(unittest.TestCase):
def setUp(self):
print("")
def validateError(self, input, errorId, startPos, length):
p = Popen(['../Build/blahtex', '--mathml'], stdout=PIPE, stdin=PIPE, stderr=STDOUT)
p.stdin.write(input)
p.stdin.close()
p.wait()
rootNode = ET.fromstring(p.stdout.read())
errorNode = rootNode.find("error")
self.assertEqual(errorNode.find("id").text, errorId)
self.assertEqual(int(errorNode.find("startPos").text), startPos)
self.assertEqual(int(errorNode.find("length").text), length)
class BraceErrorTests(ErrorTests):
def testOpenBrace(self):
self.validateError("2^{5", "UnmatchedOpenBrace", 2, 1)
self.validateError("4^{6 * 2^{5", "UnmatchedOpenBrace", 2, 1)
self.validateError("4^{6} * 2^{5", "UnmatchedOpenBrace", 10, 1)
self.validateError("2^{2{5}", "UnmatchedOpenBrace", 2, 1)
def testCloseBrace(self):
self.validateError("2^5}", "UnmatchedCloseBrace", 3, 1)
class CharErrorTests(ErrorTests):
def testIllegalFinalBackslash(self):
self.validateError("2\\", "IllegalFinalBackslash", 1, 1)
class RecognitionErrorTests(ErrorTests):
def testUnrecognisedCommand(self):
self.validateError("2 + \\testingwrongcommand", "UnrecognisedCommand", 4, 20)
if __name__ == '__main__':
unittest.main()
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