mirror of
https://github.com/retspen/webvirtcloud
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33819df794
The Computes page and the new-VM dialog said "1 vCPUs on 1 CPUs" and "1 vCPUs"; they now say "1 vCPU on 1 CPU".
133 lines
7.3 KiB
Python
133 lines
7.3 KiB
Python
"""What each compute has given its VMs (Compute.capacity) and the Computes
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page that shows it."""
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from unittest.mock import patch
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from computes.models import Compute
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from django.contrib.auth import get_user_model
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from django.test import TestCase
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from django.urls import reverse
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from libvirt import libvirtError
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from lxml import html
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GIB = 1024 ** 3
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def pool(name, size_gib, free_gib, status=1):
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return {"name": name, "status": status, "size": size_gib * GIB, "free": free_gib * GIB}
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class CapacityTests(TestCase):
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def setUp(self):
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self.compute = Compute(name="host-one", hostname="192.0.2.1", login="u", password="p", type=1)
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self.compute.status = True
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@patch("computes.models.wvmStorages")
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@patch("computes.models.wvmHostDetails")
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def test_a_host_tells_what_it_gave_and_its_active_pools(self, details, storages):
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details.return_value.get_capacity.return_value = {"cpus": 16, "vcpus": {"all": 24, "running": 8}}
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storages.return_value.get_storages_info.return_value = [
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pool("nfs", 900, 800), pool("off", 10, 0, status=0), pool("default", 500, 120), pool("iso", 100, 90)]
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# the default pool first, the others by name
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self.assertEqual(self.compute.capacity, {
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"cpus": 16, "vcpus": {"all": 24, "running": 8}, "ratio": 1.5,
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"pools": [pool("default", 500, 120), pool("iso", 100, 90), pool("nfs", 900, 800)]})
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@patch("computes.models.wvmHostDetails")
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def test_a_host_whose_read_fails_has_no_capacity(self, details):
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# a VM that goes while the host is read, for one
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details.return_value.get_capacity.side_effect = libvirtError("Domain not found")
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self.assertIsNone(self.compute.capacity)
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@patch("computes.models.wvmHostDetails")
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def test_a_down_host_is_not_read(self, details):
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self.compute.status = False
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self.assertIsNone(self.compute.capacity)
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details.assert_not_called()
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class ComputesPageTests(TestCase):
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def test_the_list_shows_what_each_compute_has_given(self):
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admin = get_user_model().objects.create_superuser("cap-admin", "cap@example.com", "pw")
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self.client.force_login(admin)
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c1 = Compute.objects.create(name="host-one", hostname="192.0.2.1", login="u", password="p", type=1)
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Compute.objects.create(name="host-two", hostname="192.0.2.2", login="u", password="p", type=1)
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found = {c1.id: {"cpus": 16, "memory": 64 * GIB, "vcpus": {"all": 40, "running": 24},
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"assigned": {"all": 48 * GIB, "running": 32 * GIB}, "ratio": 2.5,
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"pools": [pool("default", 500, 120)]}}
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with patch.object(Compute, "capacity", new=property(lambda c: found.get(c.id))), \
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patch.object(Compute, "status", new=True):
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page = html.fromstring(self.client.get(reverse("computes")).content)
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headers = [" ".join(th.text_content().split()) for th in page.xpath("//thead//th")]
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self.assertEqual(headers, ["Host", "vCPUs", "Memory", "Storage", "Actions"])
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one, two = page.xpath("//tbody/tr")
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cells = [" ".join(td.text_content().split()) for td in one.xpath("td")]
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self.assertIn("host-one", cells[0])
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self.assertIn("2.5:1", cells[1])
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self.assertIn("40 vCPUs on 16 CPUs 24 running", cells[1])
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self.assertIn("48.0 GB given of 64.0 GB", cells[2])
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self.assertIn("32.0 GB of it running", cells[2])
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self.assertIn("120.0 GB free of 500.0 GB", cells[3])
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# host-two could not be read: one cell says so
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self.assertIn("capacity could not be read", " ".join(two.text_content().split()))
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def test_the_default_pool_shows_and_the_others_open_on_a_click(self):
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admin = get_user_model().objects.create_superuser("cap-pools", "pools@example.com", "pw")
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self.client.force_login(admin)
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Compute.objects.create(name="host-one", hostname="192.0.2.1", login="u", password="p", type=1)
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pools = [pool("default", 500, 120), pool("backup", 900, 800), pool("iso", 100, 90), pool("nfs", 2000, 1000)]
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given = {"cpus": 16, "memory": 64 * GIB, "vcpus": {"all": 8, "running": 8}, "ratio": 0.5,
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"assigned": {"all": 8 * GIB, "running": 8 * GIB}, "pools": pools}
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with patch.object(Compute, "capacity", new=given), patch.object(Compute, "status", new=True):
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page = html.fromstring(self.client.get(reverse("computes")).content)
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(storage,) = page.xpath("//tbody/tr/td[4]")
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shown = " ".join(" ".join(storage.xpath("./div//text()")).split())
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self.assertIn("default", shown)
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self.assertNotIn("backup", shown)
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(more,) = storage.xpath(".//details")
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self.assertEqual(" ".join(more.xpath("summary")[0].text_content().split()), "3 more pools")
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self.assertEqual(more.xpath(".//div[@class='small']/text()"), ["backup", "iso", "nfs"])
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class SingularTests(TestCase):
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def test_one_vcpu_on_one_cpu_is_singular(self):
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admin = get_user_model().objects.create_superuser("cap-one", "one@example.com", "pw")
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self.client.force_login(admin)
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c = Compute.objects.create(name="host-one", hostname="192.0.2.1", login="u", password="p", type=1)
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given = {"cpus": 1, "memory": 4 * GIB, "vcpus": {"all": 1, "running": 1},
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"assigned": {"all": GIB, "running": GIB}, "ratio": 1.0, "pools": []}
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with patch.object(Compute, "capacity", new=given), patch.object(Compute, "status", new=True):
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page = html.fromstring(self.client.get(reverse("computes")).content)
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line = self.client.get(reverse("compute_capacity", args=[c.id])).content.decode()
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(cell,) = page.xpath("//tbody/tr/td[2]")
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self.assertIn("1 vCPU on 1 CPU", " ".join(cell.text_content().split()))
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self.assertEqual(" ".join(line.split()), "Given to VMs: 1 vCPU (1.0:1), 1.0 GB memory.")
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class NewVmDialogLineTests(TestCase):
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"""The new-VM dialog loads one line per host when it opens."""
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def setUp(self):
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admin = get_user_model().objects.create_superuser("cap-line", "line@example.com", "pw")
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self.client.force_login(admin)
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self.compute = Compute.objects.create(name="host-one", hostname="192.0.2.1", login="u", password="p", type=1)
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def line(self, given):
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with patch.object(Compute, "capacity", new=given):
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response = self.client.get(reverse("compute_capacity", args=[self.compute.id]))
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self.assertEqual(response["Content-Type"], "text/plain; charset=utf-8")
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return " ".join(response.content.decode().split())
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def test_the_line_tells_what_the_host_has_given(self):
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given = {"cpus": 16, "memory": 64 * GIB, "vcpus": {"all": 24, "running": 8},
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"assigned": {"all": 48 * GIB, "running": 32 * GIB}, "ratio": 1.5,
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"pools": [pool("a&b", 500, 120), pool("iso", 100, 90)]}
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# plain text: a pool name is not escaped
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self.assertEqual(self.line(given), "Given to VMs: 24 vCPUs (1.5:1), 48.0 GB memory. "
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"Pool a&b: 120.0 GB free.")
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def test_a_host_without_pools_or_capacity_says_so(self):
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given = {"cpus": 2, "memory": 4 * GIB, "vcpus": {"all": 0, "running": 0},
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"assigned": {"all": 0, "running": 0}, "ratio": 0, "pools": []}
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self.assertEqual(self.line(given), "Given to VMs: 0 vCPUs (0.0:1), 0 bytes memory.")
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self.assertEqual(self.line(None), "The capacity could not be read.")
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