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# Copyright 2012-2014 Canonical Ltd. This software is licensed under the
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# GNU Affero General Public License version 3 (see the file LICENSE).
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"""Test maasserver nodes views."""
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from __future__ import (
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from django.core.urlresolvers import reverse
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from lxml.etree import XPath
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from lxml.html import fromstring
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from maasserver.testing import get_content_links
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from maasserver.testing.factory import factory
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from maasserver.testing.testcase import MAASServerTestCase
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from maasserver.views import tags as tags_views
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from maastesting.djangotestcase import count_queries
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from testtools.matchers import ContainsAll
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class TagViewsTest(MAASServerTestCase):
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def test_view_tag_displays_tag_info(self):
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# The tag page features the basic information about the tag.
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tag = factory.make_tag(
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comment='Human description of the tag',
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tag_link = reverse('tag-view', args=[tag.name])
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response = self.client.get(tag_link)
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doc = fromstring(response.content)
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content_text = doc.cssselect('#content')[0].text_content()
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content_text, ContainsAll([tag.comment, tag.definition]))
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def test_view_tag_includes_node_links(self):
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tag = factory.make_tag()
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node = factory.make_node()
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mac = factory.make_mac_address(node=node).mac_address
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tag_link = reverse('tag-view', args=[tag.name])
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node_link = reverse('node-view', args=[node.system_id])
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response = self.client.get(tag_link)
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doc = fromstring(response.content)
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content_text = doc.cssselect('#content')[0].text_content()
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content_text, ContainsAll([unicode(mac), '%s' % node.hostname]))
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self.assertNotIn(node.system_id, content_text)
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self.assertIn(node_link, get_content_links(response))
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def test_view_tag_num_queries_is_independent_of_num_nodes(self):
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tag = factory.make_tag()
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tag_link = reverse('tag-view', args=[tag.name])
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nodegroup = factory.make_node_group()
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nodes = [factory.make_node(nodegroup=nodegroup, mac=True)
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for node in nodes[:10]:
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num_queries, response = count_queries(self.client.get, tag_link)
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len([link for link in get_content_links(response)
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if link.startswith('/nodes/node')]))
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# Need to get the tag, and the nodes, and the macs of the nodes
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self.assertTrue(num_queries > 3)
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for node in nodes[10:]:
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num_bonus_queries, response = count_queries(
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self.client.get, tag_link)
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self.assertEqual(num_queries, num_bonus_queries)
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len([link for link in get_content_links(response)
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if link.startswith('/nodes/node')]))
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def test_view_tag_hides_private_nodes(self):
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tag = factory.make_tag()
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node = factory.make_node()
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node2 = factory.make_node(owner=factory.make_user())
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tag_link = reverse('tag-view', args=[tag.name])
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response = self.client.get(tag_link)
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doc = fromstring(response.content)
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content_text = doc.cssselect('#content')[0].text_content()
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self.assertIn(node.hostname, content_text)
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self.assertNotIn(node2.hostname, content_text)
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def test_view_tag_shows_kernel_params(self):
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tag = factory.make_tag(kernel_opts='--test tag params')
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node = factory.make_node()
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tag_link = reverse('tag-view', args=[tag.name])
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response = self.client.get(tag_link)
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doc = fromstring(response.content)
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kernel_opts = doc.cssselect('.kernel-opts-tag')[0].text_content()
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self.assertIn('Kernel Parameters', kernel_opts)
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self.assertIn(tag.kernel_opts, kernel_opts)
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def test_view_tag_paginates_nodes(self):
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"""Listing of nodes with tag is split across multiple pages
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Copy-coded from NodeViewsTest.test_node_list_paginates evilly.
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# Set a very small page size to save creating lots of nodes
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self.patch(tags_views.TagView, 'paginate_by', page_size)
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tag = factory.make_tag()
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factory.make_node(created="2012-10-12 12:00:%02d" % i)
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for i in range(page_size * 2 + 1)
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# Order node links with newest first as the view is expected to
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reverse('node-view', args=[node.system_id])
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for node in reversed(nodes)
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expr_page_anchors = XPath("//div[@class='pagination']//a")
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# Fetch first page, should link newest two nodes and page 2
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response = self.client.get(reverse('tag-view', args=[tag.name]))
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page1 = fromstring(response.content)
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node_links[:page_size],
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get_content_links(response, '.node-column'))
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[("next", "?page=2"), ("last", "?page=3")],
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[(a.text.lower(), a.get("href"))
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for a in expr_page_anchors(page1)])
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# Fetch second page, should link next nodes and adjacent pages
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response = self.client.get(
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reverse('tag-view', args=[tag.name]), {"page": 2})
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page2 = fromstring(response.content)
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node_links[page_size:page_size * 2],
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get_content_links(response, '.node-column'))
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[("first", "."), ("previous", "."),
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("next", "?page=3"), ("last", "?page=3")],
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[(a.text.lower(), a.get("href"))
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for a in expr_page_anchors(page2)])
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# Fetch third page, should link oldest node and node list page
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response = self.client.get(
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reverse('tag-view', args=[tag.name]), {"page": 3})
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page3 = fromstring(response.content)
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node_links[page_size * 2:],
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get_content_links(response, '.node-column'))
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[("first", "."), ("previous", "?page=2")],
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[(a.text.lower(), a.get("href"))
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for a in expr_page_anchors(page3)])
added
removed
src/maasserver/tests/test_views_tags.py
