def testInit(self):
"""
testInit makes assertations about things
that should happen when a HelperRobot
is created.
"""
mediator = RobotMediator()
helper = HelperRobot(mediator)
# Is helper an instance of HelperRobot?
self.assertIsInstance(helper, HelperRobot)
# Is helper also an instance of Robot?
self.assertIsInstance(helper, Robot)
# Robot should not be working on a task yet.
self.assertFalse(helper.isRunning())
# helper should have been added to mediator's
# list of robots.
self.assertIn(helper, mediator.getRobots())
def testFinishWork(self):
"""
testFinishWork makes assertations about things
that should happen when a HelperRobot is asked
to finish a task.
"""
mediator = RobotMediator()
helper = HelperRobot(mediator)
# Trying to tell the helper to finish the
# job when it's not working on anything
# should result in a NotBusyException.
with self.assertRaises(NotBusyException):
helper.finishWork()
helper.finishWork()
# But if it's working on a task, it should
# gracefully finish the task.
try:
helper.doWork()
helper.finishWork()
except Exception as e:
self.fail(e)
def testDoWork(self):
"""
testDoWork makes assertations about things
that should happen when a HelperRobot is asked
to perform a task.
"""
mediator = RobotMediator()
helper = HelperRobot(mediator)
# Assign one job.
try:
helper.doWork()
except TooBusyException as e:
self.fail(e)
# Try to assign another, but helper
# should be too busy.
with self.assertRaises(TooBusyException):
helper.doWork()
# Try again -- should still be busy.
helper.doWork()
# Tell helper it's finished with the task.
helper.finishWork()
# Now assign another job -- should accept.
try:
helper.doWork()
except TooBusyException as e:
self.fail(e)
def testDoWorkA(self):
"""
testDoWork makes assertations about things
that should happen when a MasterRobot is asked
to perform a task.
"""
# -------------------------- #
# 1 master and 1 helper #
# -------------------------- #
mediator = RobotMediator()
helper = HelperRobot(mediator)
master = MasterRobot(mediator)
# Assign one job.
try:
master.doWork()
except TooBusyException as e:
self.fail(e)
# Verify the status.
# Should be 1 running 0 queued.
self.assertEquals(1, master.getRunningJobs())
self.assertEquals(0, master.getQueuedJobs())
# Assign second job.
try:
master.doWork()
except TooBusyException as e:
self.fail(e)
# Verify the status.
# Should be 2 running 0 queued.
self.assertEquals(2, master.getRunningJobs())
self.assertEquals(0, master.getQueuedJobs())
# Assign third job.
try:
master.doWork()
except TooBusyException as e:
self.fail(e)
# Verify the status.
# Should be 2 running 1 queued.
self.assertEquals(2, master.getRunningJobs())
self.assertEquals(1, master.getQueuedJobs())
# Assign fourth job.
try:
master.doWork()
except TooBusyException as e:
self.fail(e)
# Verify the status.
# Should be 2 running 2 queued.
self.assertEquals(2, master.getRunningJobs())
self.assertEquals(2, master.getQueuedJobs())
# Tell the helper that it's finished doing
# its job.
try:
helper.finishWork()
except NotBusyException as e:
self.fail(e)
# Verify the status.
# Should be 2 running 1 queued.
self.assertEquals(2, master.getRunningJobs())
self.assertEquals(1, master.getQueuedJobs())
# Tell the helper that it's finished doing
# its job.
try:
helper.finishWork()
except NotBusyException as e:
self.fail(e)
# Verify the status.
# Should be 2 running 0 queued.
self.assertEquals(2, master.getRunningJobs())
self.assertEquals(0, master.getQueuedJobs())
# Tell the helper that it's finished doing
# its job.
try:
helper.finishWork()
except NotBusyException as e:
self.fail(e)
# Verify the status.
# Should be 1 running 0 queued.
self.assertEquals(1, master.getRunningJobs())
self.assertEquals(0, master.getQueuedJobs())
# Tell the helper that it's finished doing
# its job.
try:
master.finishWork()
except NotBusyException as e:
self.fail(e)
# Verify the status.
# Should be 0 running 0 queued.
self.assertEquals(0, master.getRunningJobs())
self.assertEquals(0, master.getQueuedJobs())
