def test_update_memory_backing_discard_keep(self):
data = objects.LibvirtLiveMigrateData(
dst_wants_file_backed_memory=True, file_backed_memory_discard=True)
xml = """<domain>
<memoryBacking>
<source type="file"/>
<access mode="shared"/>
<allocation mode="immediate"/>
<discard />
</memoryBacking>
</domain>"""
doc = etree.fromstring(xml)
res = etree.tostring(migration._update_memory_backing_xml(doc, data),
encoding='unicode')
self.assertThat(
res,
matchers.XMLMatches("""<domain>
<memoryBacking>
<source type="file"/>
<access mode="shared"/>
<allocation mode="immediate"/>
<discard />
</memoryBacking>
</domain>"""))
def test_update_memory_backing_xml_add(self):
data = objects.LibvirtLiveMigrateData(
dst_wants_file_backed_memory=True)
xml = """<domain/>"""
doc = etree.fromstring(xml)
res = etree.tostring(migration._update_memory_backing_xml(doc, data),
encoding='unicode')
self.assertXmlEqual(res, """<domain>
<memoryBacking>
<source type="file"/>
<access mode="shared"/>
<allocation mode="immediate"/>
</memoryBacking>
</domain>""")
def test_update_memory_backing_xml_add(self):
data = objects.LibvirtLiveMigrateData(
dst_wants_file_backed_memory=True)
xml = """<domain/>"""
doc = etree.fromstring(xml)
res = etree.tostring(migration._update_memory_backing_xml(doc, data),
encoding='unicode')
self.assertThat(res, matchers.XMLMatches("""<domain>
<memoryBacking>
<source type="file"/>
<access mode="shared"/>
<allocation mode="immediate"/>
</memoryBacking>
</domain>"""))
def test_update_memory_backing_xml_remove(self):
data = objects.LibvirtLiveMigrateData(
dst_wants_file_backed_memory=False)
xml = """<domain>
<memoryBacking>
<source type="file"/>
<access mode="shared"/>
<allocation mode="immediate"/>
</memoryBacking>
</domain>"""
doc = etree.fromstring(xml)
res = etree.tostring(migration._update_memory_backing_xml(doc, data),
encoding='unicode')
self.assertXmlEqual(res, """<domain>
<memoryBacking/>
</domain>""")
