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# Author: Matt Giuca, Will Grant
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"""Database utilities and content classes.
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Database Classes and Utilities for Storm ORM
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This module provides all of the classes which map to database tables.
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It also provides miscellaneous utility functions for database interaction.
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from storm.locals import create_database, Store, Int, Unicode, DateTime, \
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Reference, ReferenceSet, Bool, Storm, Desc
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from storm.expr import Select, Max
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from storm.exceptions import NotOneError, IntegrityError
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from ivle.worksheet.rst import rst
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__all__ = ['get_store',
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'Subject', 'Semester', 'Offering', 'Enrolment',
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'ProjectSet', 'Project', 'ProjectGroup', 'ProjectGroupMembership',
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'Assessed', 'ProjectSubmission', 'ProjectExtension',
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'Exercise', 'Worksheet', 'WorksheetExercise',
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'ExerciseSave', 'ExerciseAttempt',
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'TestCase', 'TestSuite', 'TestSuiteVar'
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'AlreadyEnrolledError'
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def _kwarg_init(self, **kwargs):
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% (self.__class__.__name__, k))
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setattr(self, k, v)
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def get_conn_string(config):
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"""Create a Storm connection string to the IVLE database
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@param config: The IVLE configuration.
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if config['database']['username']:
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clusterstr += config['database']['username']
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if config['database']['password']:
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clusterstr += ':' + config['database']['password']
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host = config['database']['host'] or 'localhost'
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port = config['database']['port'] or 5432
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clusterstr += '%s:%d' % (host, port)
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return "postgres://%s/%s" % (clusterstr, config['database']['name'])
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def get_store(config):
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"""Create a Storm store connected to the IVLE database.
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@param config: The IVLE configuration.
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return Store(create_database(get_conn_string(config)))
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def get_conn_string():
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Returns the Storm connection string, generated from the conf file.
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return "postgres://%s:%s@%s:%d/%s" % (ivle.conf.db_user,
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ivle.conf.db_password, ivle.conf.db_host, ivle.conf.db_port,
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Open a database connection and transaction. Return a storm.store.Store
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instance connected to the configured IVLE database.
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return Store(create_database(get_conn_string()))
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"""An IVLE user account."""
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Represents an IVLE user.
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__storm_table__ = "login"
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id = Int(primary=True, name="loginid")
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passhash = Unicode()
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pass_exp = DateTime()
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'''A sanely ordered list of all of the user's enrolments.'''
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return self._get_enrolments(False)
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def get_projects(self, offering=None, active_only=True):
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"""Find projects that the user can submit.
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This will include projects for offerings in which the user is
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enrolled, as long as the project is not in a project set which has
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groups (ie. if maximum number of group members is 0).
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@param active_only: Whether to only search active offerings.
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@param offering: An optional offering to restrict the search to.
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return Store.of(self).find(Project,
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Project.project_set_id == ProjectSet.id,
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ProjectSet.max_students_per_group == None,
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ProjectSet.offering_id == Offering.id,
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(offering is None) or (Offering.id == offering.id),
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Semester.id == Offering.semester_id,
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(not active_only) or (Semester.state == u'current'),
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Enrolment.offering_id == Offering.id,
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Enrolment.user_id == self.id)
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def hash_password(password):
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"""Hash a password with MD5."""
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return hashlib.md5(password).hexdigest()
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return md5.md5(password).hexdigest()
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def get_by_login(cls, store, login):
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"""Find a user in a store by login name."""
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Get the User from the db associated with a given store and
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return store.find(cls, cls.login == unicode(login)).one()
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def get_permissions(self, user, config):
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"""Determine privileges held by a user over this object.
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If the user requesting privileges is this user or an admin,
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they may do everything. Otherwise they may do nothing.
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if user and user.admin or user is self:
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return set(['view_public', 'view', 'edit', 'submit_project'])
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return set(['view_public'])
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# SUBJECTS AND ENROLMENTS #
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class Subject(Storm):
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"""A subject (or course) which is run in some semesters."""
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__storm_table__ = "subject"
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id = Int(primary=True, name="subjectid")
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code = Unicode(name="subj_code")
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name = Unicode(name="subj_name")
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short_name = Unicode(name="subj_short_name")
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offerings = ReferenceSet(id, 'Offering.subject_id')
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def __repr__(self):
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return "<%s '%s'>" % (type(self).__name__, self.short_name)
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def get_permissions(self, user, config):
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"""Determine privileges held by a user over this object.
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If the user requesting privileges is an admin, they may edit.
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Otherwise they may only read.
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def active_offerings(self):
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"""Find active offerings for this subject.
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Return a sequence of currently active offerings for this subject
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(offerings whose semester.state is "current"). There should be 0 or 1
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elements in this sequence, but it's possible there are more.
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return self.offerings.find(Offering.semester_id == Semester.id,
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Semester.state == u'current')
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def offering_for_semester(self, year, semester):
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"""Get the offering for the given year/semester, or None.
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@param year: A string representation of the year.
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@param semester: A string representation of the semester.
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return self.offerings.find(Offering.semester_id == Semester.id,
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Semester.year == unicode(year),
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Semester.semester == unicode(semester)).one()
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class Semester(Storm):
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"""A semester in which subjects can be run."""
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__storm_table__ = "semester"
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id = Int(primary=True, name="semesterid")
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semester = Unicode()
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offerings = ReferenceSet(id, 'Offering.semester_id')
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enrolments = ReferenceSet(id,
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'Offering.semester_id',
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'Enrolment.offering_id')
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__init__ = _kwarg_init
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return "<%s %r in %r>" % (type(self).__name__, self.subject,
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def enrol(self, user, role=u'student'):
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"""Enrol a user in this offering.
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Enrolments handle both the staff and student cases. The role controls
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the privileges granted by this enrolment.
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enrolment = Store.of(self).find(Enrolment,
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Enrolment.user_id == user.id,
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Enrolment.offering_id == self.id).one()
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if enrolment is None:
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enrolment = Enrolment(user=user, offering=self)
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self.enrolments.add(enrolment)
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enrolment.active = True
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enrolment.role = role
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def unenrol(self, user):
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'''Unenrol a user from this offering.'''
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enrolment = Store.of(self).find(Enrolment,
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Enrolment.user_id == user.id,
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Enrolment.offering_id == self.id).one()
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Store.of(enrolment).remove(enrolment)
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def get_permissions(self, user, config):
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enrolment = self.get_enrolment(user)
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if enrolment or user.admin:
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if enrolment and enrolment.role == u'tutor':
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perms.add('view_project_submissions')
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# Site-specific policy on the role of tutors
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if config['policy']['tutors_can_enrol_students']:
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perms.add('enrol_student')
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if config['policy']['tutors_can_edit_worksheets']:
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perms.add('edit_worksheets')
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if config['policy']['tutors_can_admin_groups']:
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perms.add('admin_groups')
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if (enrolment and enrolment.role in (u'lecturer')) or user.admin:
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perms.add('view_project_submissions')
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perms.add('admin_groups')
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perms.add('edit_worksheets')
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perms.add('edit') # Can edit projects & details
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perms.add('enrol') # Can see enrolment screen at all
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perms.add('enrol_student') # Can enrol students
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perms.add('enrol_tutor') # Can enrol tutors
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perms.add('enrol_lecturer') # Can enrol lecturers
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def get_enrolment(self, user):
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"""Find the user's enrolment in this offering."""
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enrolment = self.enrolments.find(user=user).one()
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def get_members_by_role(self, role):
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return Store.of(self).find(User,
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Enrolment.user_id == User.id,
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Enrolment.offering_id == self.id,
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Enrolment.role == role
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).order_by(User.login)
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return self.get_members_by_role(u'student')
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def get_open_projects_for_user(self, user):
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"""Find all projects currently open to submissions by a user."""
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# XXX: Respect extensions.
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return self.projects.find(Project.deadline > datetime.datetime.now())
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def enrol(self, user):
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'''Enrol a user in this offering.'''
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# We'll get a horrible database constraint violation error if we try
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# to add a second enrolment.
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if Store.of(self).find(Enrolment,
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Enrolment.user_id == user.id,
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Enrolment.offering_id == self.id).count() == 1:
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raise AlreadyEnrolledError()
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e = Enrolment(user=user, offering=self, active=True)
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self.enrolments.add(e)
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class Enrolment(Storm):
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"""An enrolment of a user in an offering.
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This represents the roles of both staff and students.
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__storm_table__ = "enrolment"
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__storm_primary__ = "user_id", "offering_id"
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return "<%s %d in %r>" % (type(self).__name__, self.id,
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def get_permissions(self, user, config):
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return self.offering.get_permissions(user, config)
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def get_groups_for_user(self, user):
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"""List all groups in this offering of which the user is a member."""
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return Store.of(self).find(
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ProjectGroupMembership.user_id == user.id,
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ProjectGroupMembership.project_group_id == ProjectGroup.id,
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ProjectGroup.project_set_id == self.id)
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def get_submission_principal(self, user):
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"""Get the principal on behalf of which the user can submit.
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If this is a solo project set, the given user is returned. If
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the user is a member of exactly one group, all the group is
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returned. Otherwise, None is returned.
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groups = self.get_groups_for_user(user)
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if groups.count() == 1:
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return self.max_students_per_group is not None
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"""Get the entities (groups or users) assigned to submit this project.
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This will be a Storm ResultSet.
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#If its a solo project, return everyone in offering
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return self.project_groups
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return self.offering.students
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class DeadlinePassed(Exception):
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"""An exception indicating that a project cannot be submitted because the
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deadline has passed."""
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return "The project deadline has passed"
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class Project(Storm):
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"""A student project for which submissions can be made."""
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__storm_table__ = "project"
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id = Int(name="projectid", primary=True)
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short_name = Unicode()
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synopsis = Unicode()
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project_set_id = Int(name="projectsetid")
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project_set = Reference(project_set_id, ProjectSet.id)
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deadline = DateTime()
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assesseds = ReferenceSet(id, 'Assessed.project_id')
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submissions = ReferenceSet(id,
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'Assessed.project_id',
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'ProjectSubmission.assessed_id')
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__init__ = _kwarg_init
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def __repr__(self):
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return "<%s '%s' in %r>" % (type(self).__name__, self.short_name,
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return "<%s '%s' in %r>" % (type(self).__name__, self.synopsis,
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self.project_set.offering)
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def can_submit(self, principal, user):
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return (self in principal.get_projects() and
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not self.has_deadline_passed(user))
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def submit(self, principal, path, revision, who):
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"""Submit a Subversion path and revision to a project.
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@param principal: The owner of the Subversion repository, and the
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entity on behalf of whom the submission is being made
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@param path: A path within that repository to submit.
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@param revision: The revision of that path to submit.
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@param who: The user who is actually making the submission.
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if not self.can_submit(principal, who):
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raise DeadlinePassed()
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a = Assessed.get(Store.of(self), principal, self)
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ps = ProjectSubmission()
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ps.revision = revision
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ps.date_submitted = datetime.datetime.now()
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def get_permissions(self, user, config):
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return self.project_set.offering.get_permissions(user, config)
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def latest_submissions(self):
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"""Return the latest submission for each Assessed."""
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return Store.of(self).find(ProjectSubmission,
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Assessed.project_id == self.id,
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ProjectSubmission.assessed_id == Assessed.id,
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ProjectSubmission.date_submitted == Select(
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Max(ProjectSubmission.date_submitted),
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ProjectSubmission.assessed_id == Assessed.id,
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tables=ProjectSubmission
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def has_deadline_passed(self, user):
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"""Check whether the deadline has passed."""
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# XXX: Need to respect extensions.
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return self.deadline < datetime.datetime.now()
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def get_submissions_for_principal(self, principal):
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"""Fetch a ResultSet of all submissions by a particular principal."""
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assessed = Assessed.get(Store.of(self), principal, self)
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return assessed.submissions
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class ProjectGroup(Storm):
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"""A group of students working together on a project."""
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__storm_table__ = "project_group"
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id = Int(name="groupid", primary=True)
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return "<%s %s in %r>" % (type(self).__name__, self.name,
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self.project_set.offering)
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def display_name(self):
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"""Returns the "nice name" of the user or group."""
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def short_name(self):
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"""Returns the database "identifier" name of the user or group."""
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def get_projects(self, offering=None, active_only=True):
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'''Find projects that the group can submit.
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This will include projects in the project set which owns this group,
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unless the project set disallows groups (in which case none will be
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@param active_only: Whether to only search active offerings.
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@param offering: An optional offering to restrict the search to.
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return Store.of(self).find(Project,
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Project.project_set_id == ProjectSet.id,
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ProjectSet.id == self.project_set.id,
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ProjectSet.max_students_per_group != None,
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ProjectSet.offering_id == Offering.id,
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(offering is None) or (Offering.id == offering.id),
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Semester.id == Offering.semester_id,
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(not active_only) or (Semester.state == u'current'))
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def get_permissions(self, user, config):
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if user.admin or user in self.members:
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return set(['submit_project'])
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class ProjectGroupMembership(Storm):
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"""A student's membership in a project group."""
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__storm_table__ = "group_member"
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__storm_primary__ = "user_id", "project_group_id"
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return "<%s %r in %r>" % (type(self).__name__, self.user,
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self.project_group)
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class Assessed(Storm):
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"""A composite of a user or group combined with a project.
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Each project submission and extension refers to an Assessed. It is the
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sole specifier of the repository and project.
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__storm_table__ = "assessed"
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id = Int(name="assessedid", primary=True)
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user_id = Int(name="loginid")
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user = Reference(user_id, User.id)
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project_group_id = Int(name="groupid")
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project_group = Reference(project_group_id, ProjectGroup.id)
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project_id = Int(name="projectid")
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project = Reference(project_id, Project.id)
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extensions = ReferenceSet(id, 'ProjectExtension.assessed_id')
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submissions = ReferenceSet(
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id, 'ProjectSubmission.assessed_id', order_by='date_submitted')
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return "<%s %r in %r>" % (type(self).__name__,
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self.user or self.project_group, self.project)
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"""True if the Assessed is a group, False if it is a user."""
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return self.project_group is not None
729
return self.project_group or self.user
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def checkout_location(self):
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"""Returns the location of the Subversion workspace for this piece of
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assessment, relative to each group member's home directory."""
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subjectname = self.project.project_set.offering.subject.short_name
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checkout_dir_name = self.principal.short_name
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checkout_dir_name = "mywork"
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return subjectname + "/" + checkout_dir_name
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def get(cls, store, principal, project):
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"""Find or create an Assessed for the given user or group and project.
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@param principal: The user or group.
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@param project: The project.
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if t not in (User, ProjectGroup):
751
raise AssertionError('principal must be User or ProjectGroup')
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(t is User) or (cls.project_group_id == principal.id),
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(t is ProjectGroup) or (cls.user_id == principal.id),
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cls.project_id == project.id).one()
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a.project_group = principal
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class ProjectExtension(Storm):
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"""An extension granted to a user or group on a particular project.
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The user or group and project are specified by the Assessed.
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__storm_table__ = "project_extension"
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id = Int(name="extensionid", primary=True)
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assessed_id = Int(name="assessedid")
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assessed = Reference(assessed_id, Assessed.id)
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deadline = DateTime()
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approver_id = Int(name="approver")
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approver = Reference(approver_id, User.id)
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class ProjectSubmission(Storm):
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"""A submission from a user or group repository to a particular project.
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The content of a submission is a single path and revision inside a
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repository. The repository is that owned by the submission's user and
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group, while the path and revision are explicit.
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The user or group and project are specified by the Assessed.
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__storm_table__ = "project_submission"
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id = Int(name="submissionid", primary=True)
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assessed_id = Int(name="assessedid")
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assessed = Reference(assessed_id, Assessed.id)
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submitter_id = Int(name="submitter")
804
submitter = Reference(submitter_id, User.id)
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date_submitted = DateTime()
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def get_verify_url(self, user):
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"""Get the URL for verifying this submission, within the account of
810
# If this is a solo project, then self.path will be prefixed with the
811
# subject name. Remove the first path segment.
812
submitpath = self.path[1:] if self.path[:1] == '/' else self.path
813
if not self.assessed.is_group:
814
if '/' in submitpath:
815
submitpath = submitpath.split('/', 1)[1]
818
return "/files/%s/%s/%s?r=%d" % (user.login,
819
self.assessed.checkout_location, submitpath, self.revision)
821
368
# WORKSHEETS AND EXERCISES #
823
370
class Exercise(Storm):
824
"""An exercise for students to complete in a worksheet.
826
An exercise may be present in any number of worksheets.
829
__storm_table__ = "exercise"
830
id = Unicode(primary=True, name="identifier")
832
description = Unicode()
838
worksheet_exercises = ReferenceSet(id,
839
'WorksheetExercise.exercise_id')
371
# Note: Table "problem" is called "Exercise" in the Object layer, since
372
# it's called that everywhere else.
373
__storm_table__ = "problem"
375
id = Int(primary=True, name="problemid")
376
name = Unicode(name="identifier")
841
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worksheets = ReferenceSet(id,
842
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'WorksheetExercise.exercise_id',
847
test_suites = ReferenceSet(id,
848
'TestSuite.exercise_id',
851
385
__init__ = _kwarg_init
853
387
def __repr__(self):
854
388
return "<%s %s>" % (type(self).__name__, self.name)
856
def get_permissions(self, user, config):
857
return self.global_permissions(user, config)
860
def global_permissions(user, config):
861
"""Gets the set of permissions this user has over *all* exercises.
862
This is used to determine who may view the exercises list, and create
870
elif u'lecturer' in set((e.role for e in user.active_enrolments)):
873
elif (config['policy']['tutors_can_edit_worksheets']
874
and u'tutor' in set((e.role for e in user.active_enrolments))):
875
# Site-specific policy on the role of tutors
881
def get_description(self):
882
"""Return the description interpreted as reStructuredText."""
883
return rst(self.description)
886
"""Deletes the exercise, providing it has no associated worksheets."""
887
if (self.worksheet_exercises.count() > 0):
888
raise IntegrityError()
889
for suite in self.test_suites:
891
Store.of(self).remove(self)
391
def get_by_name(cls, store, name):
393
Get the Exercise from the db associated with a given store and name.
394
If the exercise is not in the database, creates it and inserts it
397
ex = store.find(cls, cls.name == unicode(name)).one()
400
ex = Exercise(name=unicode(name))
893
405
class Worksheet(Storm):
894
"""A worksheet with exercises for students to complete.
896
Worksheets are owned by offerings.
899
406
__storm_table__ = "worksheet"
901
408
id = Int(primary=True, name="worksheetid")
902
offering_id = Int(name="offeringid")
903
identifier = Unicode()
409
# XXX subject is not linked to a Subject object. This is a property of
410
# the database, and will be refactored.
412
name = Unicode(name="identifier")
905
413
assessable = Bool()
910
attempts = ReferenceSet(id, "ExerciseAttempt.worksheetid")
911
offering = Reference(offering_id, 'Offering.id')
913
all_worksheet_exercises = ReferenceSet(id,
416
exercises = ReferenceSet(id,
417
'WorksheetExercise.worksheet_id',
418
'WorksheetExercise.exercise_id',
420
# Use worksheet_exercises to get access to the WorksheetExercise objects
421
# binding worksheets to exercises. This is required to access the
423
worksheet_exercises = ReferenceSet(id,
914
424
'WorksheetExercise.worksheet_id')
916
# Use worksheet_exercises to get access to the *active* WorksheetExercise
917
# objects binding worksheets to exercises. This is required to access the
921
def worksheet_exercises(self):
922
return self.all_worksheet_exercises.find(active=True)
924
426
__init__ = _kwarg_init
926
428
def __repr__(self):
927
429
return "<%s %s>" % (type(self).__name__, self.name)
929
def remove_all_exercises(self):
930
"""Remove all exercises from this worksheet.
431
# XXX Refactor this - make it an instance method of Subject rather than a
432
# class method of Worksheet. Can't do that now because Subject isn't
433
# linked referentially to the Worksheet.
435
def get_by_name(cls, store, subjectname, worksheetname):
437
Get the Worksheet from the db associated with a given store, subject
438
name and worksheet name.
440
return store.find(cls, cls.subject == unicode(subjectname),
441
cls.name == unicode(worksheetname)).one()
443
def remove_all_exercises(self, store):
445
Remove all exercises from this worksheet.
932
446
This does not delete the exercises themselves. It just removes them
933
447
from the worksheet.
935
store = Store.of(self)
936
for ws_ex in self.all_worksheet_exercises:
937
if ws_ex.saves.count() > 0 or ws_ex.attempts.count() > 0:
938
raise IntegrityError()
939
449
store.find(WorksheetExercise,
940
450
WorksheetExercise.worksheet == self).remove()
942
def get_permissions(self, user, config):
943
# Almost the same permissions as for the offering itself
944
perms = self.offering.get_permissions(user, config)
945
# However, "edit" permission is derived from the "edit_worksheets"
946
# permission of the offering
947
if 'edit_worksheets' in perms:
950
perms.discard('edit')
954
"""Returns the xml of this worksheet, converts from rst if required."""
955
if self.format == u'rst':
956
ws_xml = rst(self.data)
962
"""Deletes the worksheet, provided it has no attempts on any exercises.
964
Returns True if delete succeeded, or False if this worksheet has
965
attempts attached."""
966
for ws_ex in self.all_worksheet_exercises:
967
if ws_ex.saves.count() > 0 or ws_ex.attempts.count() > 0:
968
raise IntegrityError()
970
self.remove_all_exercises()
971
Store.of(self).remove(self)
973
452
class WorksheetExercise(Storm):
974
"""A link between a worksheet and one of its exercises.
976
These may be marked optional, in which case the exercise does not count
977
for marking purposes. The sequence number is used to order the worksheet
981
__storm_table__ = "worksheet_exercise"
983
id = Int(primary=True, name="ws_ex_id")
453
__storm_table__ = "worksheet_problem"
454
__storm_primary__ = "worksheet_id", "exercise_id"
985
456
worksheet_id = Int(name="worksheetid")
986
457
worksheet = Reference(worksheet_id, Worksheet.id)
987
exercise_id = Unicode(name="exerciseid")
458
exercise_id = Int(name="problemid")
988
459
exercise = Reference(exercise_id, Exercise.id)
989
460
optional = Bool()
993
saves = ReferenceSet(id, "ExerciseSave.ws_ex_id")
994
attempts = ReferenceSet(id, "ExerciseAttempt.ws_ex_id")
996
462
__init__ = _kwarg_init
998
464
def __repr__(self):
999
465
return "<%s %s in %s>" % (type(self).__name__, self.exercise.name,
1000
self.worksheet.identifier)
1002
def get_permissions(self, user, config):
1003
return self.worksheet.get_permissions(user, config)
1006
468
class ExerciseSave(Storm):
1007
"""A potential exercise solution submitted by a user for storage.
1009
This is not an actual tested attempt at an exercise, it's just a save of
1010
the editing session.
1013
__storm_table__ = "exercise_save"
1014
__storm_primary__ = "ws_ex_id", "user_id"
1016
ws_ex_id = Int(name="ws_ex_id")
1017
worksheet_exercise = Reference(ws_ex_id, "WorksheetExercise.id")
470
Represents a potential solution to an exercise that a user has submitted
471
to the server for storage.
472
A basic ExerciseSave is just the current saved text for this exercise for
473
this user (doesn't count towards their attempts).
474
ExerciseSave may be extended with additional semantics (such as
477
__storm_table__ = "problem_save"
478
__storm_primary__ = "exercise_id", "user_id", "date"
480
exercise_id = Int(name="problemid")
481
exercise = Reference(exercise_id, Exercise.id)
1019
482
user_id = Int(name="loginid")
1020
483
user = Reference(user_id, User.id)
1021
484
date = DateTime()
1028
491
self.exercise.name, self.user.login, self.date.strftime("%c"))
1030
493
class ExerciseAttempt(ExerciseSave):
1031
"""An attempt at solving an exercise.
1033
This is a special case of ExerciseSave, used when the user submits a
1034
candidate solution. Like an ExerciseSave, it constitutes exercise solution
1037
In addition, it contains information about the result of the submission:
1039
- complete - True if this submission was successful, rendering this
1040
exercise complete for this user in this worksheet.
1041
- active - True if this submission is "active" (usually true).
1042
Submissions may be de-activated by privileged users for
1043
special reasons, and then they won't count (either as a
1044
penalty or success), but will still be stored.
1047
__storm_table__ = "exercise_attempt"
1048
__storm_primary__ = "ws_ex_id", "user_id", "date"
495
An ExerciseAttempt is a special case of an ExerciseSave. Like an
496
ExerciseSave, it constitutes exercise solution data that the user has
497
submitted to the server for storage.
498
In addition, it contains additional information about the submission.
499
complete - True if this submission was successful, rendering this exercise
500
complete for this user.
501
active - True if this submission is "active" (usually true). Submissions
502
may be de-activated by privileged users for special reasons, and then
503
they won't count (either as a penalty or success), but will still be
506
__storm_table__ = "problem_attempt"
507
__storm_primary__ = "exercise_id", "user_id", "date"
1050
509
# The "text" field is the same but has a different name in the DB table
1051
510
# for some reason.
1052
511
text = Unicode(name="attempt")
1053
512
complete = Bool()
1056
def get_permissions(self, user, config):
1057
return set(['view']) if user is self.user else set()
1059
class TestSuite(Storm):
1060
"""A container to group an exercise's test cases.
1062
The test suite contains some information on how to test. The function to
1063
test, variables to set and stdin data are stored here.
1066
__storm_table__ = "test_suite"
1067
__storm_primary__ = "exercise_id", "suiteid"
1070
exercise_id = Unicode(name="exerciseid")
1071
description = Unicode()
1073
function = Unicode()
1075
exercise = Reference(exercise_id, Exercise.id)
1076
test_cases = ReferenceSet(suiteid, 'TestCase.suiteid', order_by="seq_no")
1077
variables = ReferenceSet(suiteid, 'TestSuiteVar.suiteid', order_by='arg_no')
1080
"""Delete this suite, without asking questions."""
1081
for variable in self.variables:
1083
for test_case in self.test_cases:
1085
Store.of(self).remove(self)
1087
class TestCase(Storm):
1088
"""A container for actual tests (see TestCasePart), inside a test suite.
1090
It is the lowest level shown to students on their pass/fail status."""
1092
__storm_table__ = "test_case"
1093
__storm_primary__ = "testid", "suiteid"
1097
suite = Reference(suiteid, "TestSuite.suiteid")
1100
test_default = Unicode() # Currently unused - only used for file matching.
1103
parts = ReferenceSet(testid, "TestCasePart.testid")
1105
__init__ = _kwarg_init
1108
for part in self.parts:
1110
Store.of(self).remove(self)
1112
class TestSuiteVar(Storm):
1113
"""A variable used by an exercise test suite.
1115
This may represent a function argument or a normal variable.
1118
__storm_table__ = "suite_variable"
1119
__storm_primary__ = "varid"
1123
var_name = Unicode()
1124
var_value = Unicode()
1125
var_type = Unicode()
1128
suite = Reference(suiteid, "TestSuite.suiteid")
1130
__init__ = _kwarg_init
1133
Store.of(self).remove(self)
1135
class TestCasePart(Storm):
1136
"""An actual piece of code to test an exercise solution."""
1138
__storm_table__ = "test_case_part"
1139
__storm_primary__ = "partid"
1144
part_type = Unicode()
1145
test_type = Unicode()
1147
filename = Unicode()
1149
test = Reference(testid, "TestCase.testid")
1151
__init__ = _kwarg_init
1154
Store.of(self).remove(self)
added
removed
ivle/database.py
