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- Committer: stevenbird
- Date: 2008-02-19 21:17:21 UTC
- Revision ID: svn-v3-trunk0:2b9c9e99-6f39-0410-b283-7f802c844ae2:trunk:512
Renaming of problems to exercises (initial commit).
Fix up module naming (exercises sometimes called tutorials).
Fix up module naming (exercises sometimes called tutorials).
- files added:
- exercises
- exercises/sample
- files removed:
- problems
- problems/sample
- files modified:
- www/apps/tutorialservice/test/__init__.py
added
removed
www/apps/tutorialservice/test/parse_exercise.py
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# IVLE - Informatics Virtual Learning Environment
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# Copyright (C) 2007-2008 The University of Melbourne
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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# Module: parse_tute
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# Author: Dilshan Angampitiya
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# Date: 24/1/2008
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"""
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This file provides the function parse_tutorial_file which takes an
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xml specification of a tutorial problem file and returns a test suite object
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for that problem. It throws a ParseException if there was a problem parsing
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the file.
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"""
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from xml.dom.minidom import *
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from TestFramework import *
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DEFAULT_TEST_TYPE = 'norm'
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DEFAULT_CASE_TYPE = 'match'
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class ParseException(Exception):
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" Error when parsing the xml problem file "
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def __init___(self, reason):
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self._reason = reason
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def __str__(self):
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return self._reason
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def getTextData(element):
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""" Get the text and cdata inside an element
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Leading and trailing whitespace are stripped
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"""
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data = ''
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for child in element.childNodes:
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if child.nodeType == child.CDATA_SECTION_NODE:
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data += child.data
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if child.nodeType == child.TEXT_NODE:
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data += child.data
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return data.strip()
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def getCasePartData(partNode):
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""" Create an TestCasePart instance from test part xml data
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"""
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func_desc = partNode.getAttribute('desc')
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func_pass = partNode.getAttribute('pass')
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func_fail = partNode.getAttribute('fail')
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if not func_pass:
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func_pass = func_desc
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if not func_fail:
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func_fail = func_desc
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default = partNode.getAttribute('default')
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if default == '': default = DEFAULT_CASE_TYPE
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part = TestCasePart(func_pass, func_fail, default)
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for child in partNode.childNodes:
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if child.nodeType != child.ELEMENT_NODE:
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continue
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if child.tagName == 'stdout':
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test_type = child.getAttribute('type')
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if test_type == '': test_type = DEFAULT_TEST_TYPE
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part.add_stdout_test(getTextData(child), test_type)
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elif child.tagName == 'stderr':
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test_type = child.getAttribute('type')
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if test_type == '': test_type = DEFAULT_TEST_TYPE
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part.add_stderr_test(getTextData(child), test_type)
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elif child.tagName == 'exception':
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test_type = child.getAttribute('type')
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if test_type == '': test_type = DEFAULT_TEST_TYPE
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part.add_exception_test(getTextData(child), test_type)
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elif child.tagName == 'file':
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test_type = child.getAttribute('type')
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if test_type == '': test_type = DEFAULT_TEST_TYPE
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filename = child.getAttribute('name')
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if filename == '':
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raise ParseException("File without name in case %s" %case_name)
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part.add_file_test(filename, getTextData(child), test_type)
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elif child.tagName == 'code':
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test_type = child.getAttribute('type')
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if test_type == '': test_type = DEFAULT_TEST_TYPE
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part.add_code_test(getTextData(child), test_type)
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return part
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def getCaseData(caseNode):
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""" Creare a TestCase instance from test case xml data
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"""
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case_name = caseNode.getAttribute('name')
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function = caseNode.getAttribute('function')
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if function == '': function = None
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case = TestCase(case_name, function)
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for child in caseNode.childNodes:
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if child.nodeType != child.ELEMENT_NODE:
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continue
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if child.tagName == 'stdin':
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# standard input
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case.set_stdin(getTextData(child))
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elif child.tagName == 'file':
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# file
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filename = child.getAttribute('name')
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if filename == '':
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raise ParseException("File without name in case %s" %case_name)
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case.add_file(filename, getTextData(child))
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elif child.tagName == 'var':
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# global variable
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var_name = child.getAttribute('name')
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var_val = child.getAttribute('value')
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if not var_name or not var_val:
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raise ParseException("Incomplete variable in case %s" %case_name)
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case.add_variable(var_name, var_val)
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elif child.tagName == 'arg':
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# function argument
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arg_val = child.getAttribute('value')
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arg_name = child.getAttribute('name')
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if arg_name == '': arg_name = None
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if not arg_val:
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raise ParseException("Incomplete argument in case %s" %case_name)
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case.add_arg(arg_val, arg_name)
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elif child.tagName == 'exception':
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exception_name = child.getAttribute('name')
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if not exception_name:
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raise ParseException("Incomplete exception in case %s" %case_name)
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case.add_exception(exception_name)
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elif child.tagName == 'function':
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# specify a test case part
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case.add_part(getCasePartData(child))
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return case
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def parse_tutorial_file(filename, prob_num=1):
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""" Parse an xml problem file and return a testsuite for that problem """
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dom = parse(filename)
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# get problem
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count = 0
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problem = None
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for child in dom.childNodes:
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if child.nodeType == child.ELEMENT_NODE and child.tagName == 'problem':
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count += 1
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if count == prob_num:
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problem = child
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break
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if problem == None:
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raise ParseException("Not enough problems")
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# get name
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problem_name = problem.getAttribute('name')
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if not problem_name:
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raise ParseException('Problem name not supplied')
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problem_suite = TestSuite(problem_name)
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# get solution and include info
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for child in problem.childNodes:
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if child.nodeType != child.ELEMENT_NODE:
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continue
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if child.tagName == 'solution':
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problem_suite.add_solution(getTextData(child))
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elif child.tagName == 'include':
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problem_suite.add_include_code(getTextData(child))
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elif child.tagName == 'case':
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problem_suite.add_case(getCaseData(child))
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return problem_suite
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