emmental/scanner/test_queue.py

89 lines
2.5 KiB
Python

# Copyright 2021 (c) Anna Schumaker.
import unittest
from gi.repository import GObject
from . import queue
from . import task
class FakeTask(task.Task):
def __init__(self, res=None):
task.Task.__init__(self)
self.res = res
def run_task(self): return self.res
class TestTaskQueue(unittest.TestCase):
def setUp(self):
self.idle_start = None
def on_task_pushed(self, queue, task):
self.pushed_task = task
def on_run_task(self, queue, task):
self.run_task = task
def on_tasks_finished(self, queue):
self.tasks_finished = True
def test_init(self):
q = queue.TaskQueue()
self.assertIsInstance(q, GObject.GObject)
self.assertEqual(q.tasks, [ ])
self.assertEqual(q.total, 0)
self.assertEqual(q.idleid, None)
self.assertEqual(q.progress, 0)
def test_push(self):
q = queue.TaskQueue()
fake = FakeTask()
q.connect("task-pushed", self.on_task_pushed)
q.push(fake)
self.assertEqual(q.tasks, [ fake ])
self.assertIsNotNone(q.idleid)
self.assertEqual(self.pushed_task, fake)
def test_clear(self):
q = queue.TaskQueue()
q.connect("tasks-finished", self.on_tasks_finished)
q.push(FakeTask())
q.clear()
self.assertEqual(q.tasks, [ ])
self.assertTrue(self.tasks_finished)
self.assertIsNone(q.idleid)
def test_run(self):
q = queue.TaskQueue()
fake3 = FakeTask()
fake2 = FakeTask()
fake1 = FakeTask([ fake2, fake3 ])
q.connect("run-task", self.on_run_task)
q.connect("tasks-finished", self.on_tasks_finished)
q.push(fake1)
self.assertEqual(q.tasks, [ fake1 ])
self.assertEqual(q.total, 1)
self.assertEqual(q.progress, 0/1)
q.run()
self.assertEqual(self.run_task, fake1)
self.assertEqual(q.tasks, [ fake2, fake3 ])
self.assertEqual(q.total, 3)
self.assertEqual(q.progress, 1/3)
self.assertIsNotNone(q.idleid)
q.run()
self.assertEqual(self.run_task, fake2)
self.assertEqual(q.tasks, [ fake3 ])
self.assertEqual(q.progress, 2/3)
self.assertIsNotNone(q.idleid)
q.run()
self.assertEqual(self.run_task, fake3)
self.assertEqual(q.tasks, [ ])
self.assertTrue(self.tasks_finished)
self.assertEqual(q.total, 0)
self.assertEqual(q.progress, 0)
self.assertIsNone(q.idleid)