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import datetime
import os
from django.conf import settings
from django.test import TestCase
from .. import models
class TestGraphs(TestCase):
def setUp(self):
self.rrd_file = "test.rrd"
try:
os.remove(os.path.join(settings.RRD_DB_PATH, self.rrd_file))
except FileNotFoundError:
pass
def tearDown(self):
try:
os.remove(os.path.join(settings.RRD_DB_PATH, self.rrd_file))
except FileNotFoundError:
pass
def test_generate_at_ds_update(self):
ds = models.DataSource.objects.create(
topic="test",
path=self.rrd_file,
)
graph = models.Graph.objects.create(
title="Test Graph",
path="test/test.png",
)
graph.data_sources.add(ds)
graph.save()
now = datetime.datetime.now()
ts = int(now.timestamp())
ds.update(ts, 10)
stat = os.stat(os.path.join(settings.RRD_GRAPH_PATH, "test/test.png"))
self.assertGreaterEqual(stat.st_mtime, now.timestamp())
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