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""" Tests for L{twisted.words.xish.domish}, a DOM-like library for XMPP. """ from __future__ import absolute_import, division from zope.interface.verify import verifyObject from twisted.python.compat import _PY3, unicode from twisted.python.reflect import requireModule from twisted.trial import unittest from twisted.words.xish import domish class ElementTests(unittest.TestCase): """ Tests for L{domish.Element}. """ def test_interface(self): """ L{domish.Element} implements L{domish.IElement}. """ verifyObject(domish.IElement, domish.Element((None, u"foo"))) def test_escaping(self): """ The built-in entity references are properly encoded. """ s = "&<>'\"" self.assertEqual(domish.escapeToXml(s), "&<>'\"") self.assertEqual(domish.escapeToXml(s, 1), "&<>'"") def test_namespace(self): """ An attribute on L{domish.Namespace} yields a qualified name. """ ns = domish.Namespace("testns") self.assertEqual(ns.foo, ("testns", "foo")) def test_elementInit(self): """ Basic L{domish.Element} initialization tests. """ e = domish.Element((None, "foo")) self.assertEqual(e.name, "foo") self.assertEqual(e.uri, None) self.assertEqual(e.defaultUri, None) self.assertEqual(e.parent, None) e = domish.Element(("", "foo")) self.assertEqual(e.name, "foo") self.assertEqual(e.uri, "") self.assertEqual(e.defaultUri, "") self.assertEqual(e.parent, None) e = domish.Element(("testns", "foo")) self.assertEqual(e.name, "foo") self.assertEqual(e.uri, "testns") self.assertEqual(e.defaultUri, "testns") self.assertEqual(e.parent, None) e = domish.Element(("testns", "foo"), "test2ns") self.assertEqual(e.name, "foo") self.assertEqual(e.uri, "testns") self.assertEqual(e.defaultUri, "test2ns") def test_childOps(self): """ Basic L{domish.Element} child tests. """ e = domish.Element(("testns", "foo")) e.addContent(u"somecontent") b2 = e.addElement(("testns2", "bar2")) e["attrib1"] = "value1" e[("testns2", "attrib2")] = "value2" e.addElement("bar") e.addElement("bar") e.addContent(u"abc") e.addContent(u"123") # Check content merging self.assertEqual(e.children[-1], "abc123") # Check direct child accessor self.assertEqual(e.bar2, b2) e.bar2.addContent(u"subcontent") e.bar2["bar2value"] = "somevalue" # Check child ops self.assertEqual(e.children[1], e.bar2) self.assertEqual(e.children[2], e.bar) # Check attribute ops self.assertEqual(e["attrib1"], "value1") del e["attrib1"] self.assertEqual(e.hasAttribute("attrib1"), 0) self.assertEqual(e.hasAttribute("attrib2"), 0) self.assertEqual(e[("testns2", "attrib2")], "value2") def test_characterData(self): """ Extract character data using L{unicode}. """ element = domish.Element((u"testns", u"foo")) element.addContent(u"somecontent") text = unicode(element) self.assertEqual(u"somecontent", text) self.assertIsInstance(text, unicode) def test_characterDataNativeString(self): """ Extract ascii character data using L{str}. """ element = domish.Element((u"testns", u"foo")) element.addContent(u"somecontent") text = str(element) self.assertEqual("somecontent", text) self.assertIsInstance(text, str) def test_characterDataUnicode(self): """ Extract character data using L{unicode}. """ element = domish.Element((u"testns", u"foo")) element.addContent(u"\N{SNOWMAN}") text = unicode(element) self.assertEqual(u"\N{SNOWMAN}", text) self.assertIsInstance(text, unicode) def test_characterDataBytes(self): """ Extract character data as UTF-8 using L{bytes}. """ element = domish.Element((u"testns", u"foo")) element.addContent(u"\N{SNOWMAN}") text = bytes(element) self.assertEqual(u"\N{SNOWMAN}".encode('utf-8'), text) self.assertIsInstance(text, bytes) def test_characterDataMixed(self): """ Mixing addChild with cdata and element, the first cdata is returned. """ element = domish.Element((u"testns", u"foo")) element.addChild(u"abc") element.addElement("bar") element.addChild(u"def") self.assertEqual(u"abc", unicode(element)) def test_addContent(self): """ Unicode strings passed to C{addContent} become the character data. """ element = domish.Element((u"testns", u"foo")) element.addContent(u'unicode') self.assertEqual(u"unicode", unicode(element)) def test_addContentNativeStringASCII(self): """ ASCII native strings passed to C{addContent} become the character data. """ element = domish.Element((u"testns", u"foo")) element.addContent('native') self.assertEqual(u"native", unicode(element)) def test_addContentBytes(self): """ Byte strings passed to C{addContent} are not acceptable on Python 3. """ element = domish.Element((u"testns", u"foo")) self.assertRaises(TypeError, element.addContent, b'bytes') if not _PY3: test_addContentBytes.skip = ( "Bytes behavior of addContent only provided on Python 3.") def test_addContentBytesNonASCII(self): """ Non-ASCII byte strings passed to C{addContent} yield L{UnicodeError}. """ element = domish.Element((u"testns", u"foo")) self.assertRaises(UnicodeError, element.addContent, b'\xe2\x98\x83') if _PY3: test_addContentBytesNonASCII.skip = ( "Bytes behavior of addContent only provided on Python 2.") def test_addElementContent(self): """ Content passed to addElement becomes character data on the new child. """ element = domish.Element((u"testns", u"foo")) child = element.addElement("bar", content=u"abc") self.assertEqual(u"abc", unicode(child)) def test_elements(self): """ Calling C{elements} without arguments on a L{domish.Element} returns all child elements, whatever the qualified name. """ e = domish.Element((u"testns", u"foo")) c1 = e.addElement(u"name") c2 = e.addElement((u"testns2", u"baz")) c3 = e.addElement(u"quux") c4 = e.addElement((u"testns", u"name")) elts = list(e.elements()) self.assertIn(c1, elts) self.assertIn(c2, elts) self.assertIn(c3, elts) self.assertIn(c4, elts) def test_elementsWithQN(self): """ Calling C{elements} with a namespace and local name on a L{domish.Element} returns all child elements with that qualified name. """ e = domish.Element((u"testns", u"foo")) c1 = e.addElement(u"name") c2 = e.addElement((u"testns2", u"baz")) c3 = e.addElement(u"quux") c4 = e.addElement((u"testns", u"name")) elts = list(e.elements(u"testns", u"name")) self.assertIn(c1, elts) self.assertNotIn(c2, elts) self.assertNotIn(c3, elts) self.assertIn(c4, elts) class DomishStreamTestsMixin: """ Mixin defining tests for different stream implementations. @ivar streamClass: A no-argument callable which will be used to create an XML parser which can produce a stream of elements from incremental input. """ def setUp(self): self.doc_started = False self.doc_ended = False self.root = None self.elements = [] self.stream = self.streamClass() self.stream.DocumentStartEvent = self._docStarted self.stream.ElementEvent = self.elements.append self.stream.DocumentEndEvent = self._docEnded def _docStarted(self, root): self.root = root self.doc_started = True def _docEnded(self): self.doc_ended = True def doTest(self, xml): self.stream.parse(xml) def testHarness(self): xml = b"" self.stream.parse(xml) self.assertEqual(self.doc_started, True) self.assertEqual(self.root.name, 'root') self.assertEqual(self.elements[0].name, 'child') self.assertEqual(self.elements[1].name, 'child2') self.assertEqual(self.doc_ended, True) def testBasic(self): xml = b"\n" + \ b" " + \ b" some&data>" + \ b" " + \ b"" self.stream.parse(xml) self.assertEqual(self.root.name, 'stream') self.assertEqual(self.root.uri, 'etherx') self.assertEqual(self.elements[0].name, 'message') self.assertEqual(self.elements[0].uri, 'jabber') self.assertEqual(self.elements[0]['to'], 'bar') self.assertEqual(self.elements[0].x.uri, 'xdelay') self.assertEqual(unicode(self.elements[0].x), 'some&data>') def testNoRootNS(self): xml = b"" self.stream.parse(xml) self.assertEqual(self.root.uri, '') self.assertEqual(self.elements[0].uri, 'etherx') def testNoDefaultNS(self): xml = b"" self.stream.parse(xml) self.assertEqual(self.root.uri, 'etherx') self.assertEqual(self.root.defaultUri, '') self.assertEqual(self.elements[0].uri, '') self.assertEqual(self.elements[0].defaultUri, '') def testChildDefaultNS(self): xml = b"" self.stream.parse(xml) self.assertEqual(self.root.uri, 'testns') self.assertEqual(self.elements[0].uri, 'testns') def testEmptyChildNS(self): xml = b""" """ self.stream.parse(xml) self.assertEqual(self.elements[0].child2.uri, '') def test_namespaceWithWhitespace(self): """ Whitespace in an xmlns value is preserved in the resulting node's C{uri} attribute. """ xml = b"" self.stream.parse(xml) self.assertEqual(self.elements[0].uri, " bar baz ") self.assertEqual( self.elements[0].attributes, {(" bar baz ", "baz"): "quux"}) def testChildPrefix(self): xml = b"" self.stream.parse(xml) self.assertEqual(self.root.localPrefixes['foo'], 'testns2') self.assertEqual(self.elements[0].uri, 'testns2') def testUnclosedElement(self): self.assertRaises(domish.ParserError, self.stream.parse, b"") def test_namespaceReuse(self): """ Test that reuse of namespaces does affect an element's serialization. When one element uses a prefix for a certain namespace, this is stored in the C{localPrefixes} attribute of the element. We want to make sure that elements created after such use, won't have this prefix end up in their C{localPrefixes} attribute, too. """ xml = b""" """ self.stream.parse(xml) self.assertEqual('child1', self.elements[0].name) self.assertEqual('testns', self.elements[0].uri) self.assertEqual('', self.elements[0].defaultUri) self.assertEqual({'foo': 'testns'}, self.elements[0].localPrefixes) self.assertEqual('child2', self.elements[1].name) self.assertEqual('testns', self.elements[1].uri) self.assertEqual('testns', self.elements[1].defaultUri) self.assertEqual({}, self.elements[1].localPrefixes) class DomishExpatStreamTests(DomishStreamTestsMixin, unittest.TestCase): """ Tests for L{domish.ExpatElementStream}, the expat-based element stream implementation. """ streamClass = domish.ExpatElementStream if requireModule('pyexpat', default=None) is None: skip = "pyexpat is required for ExpatElementStream tests." else: skip = None class DomishSuxStreamTests(DomishStreamTestsMixin, unittest.TestCase): """ Tests for L{domish.SuxElementStream}, the L{twisted.web.sux}-based element stream implementation. """ streamClass = domish.SuxElementStream class SerializerTests(unittest.TestCase): def testNoNamespace(self): e = domish.Element((None, "foo")) self.assertEqual(e.toXml(), "") self.assertEqual(e.toXml(closeElement = 0), "") def testDefaultNamespace(self): e = domish.Element(("testns", "foo")) self.assertEqual(e.toXml(), "") def testOtherNamespace(self): e = domish.Element(("testns", "foo"), "testns2") self.assertEqual(e.toXml({'testns': 'bar'}), "") def testChildDefaultNamespace(self): e = domish.Element(("testns", "foo")) e.addElement("bar") self.assertEqual(e.toXml(), "") def testChildSameNamespace(self): e = domish.Element(("testns", "foo")) e.addElement(("testns", "bar")) self.assertEqual(e.toXml(), "") def testChildSameDefaultNamespace(self): e = domish.Element(("testns", "foo")) e.addElement("bar", "testns") self.assertEqual(e.toXml(), "") def testChildOtherDefaultNamespace(self): e = domish.Element(("testns", "foo")) e.addElement(("testns2", "bar"), 'testns2') self.assertEqual(e.toXml(), "") def testOnlyChildDefaultNamespace(self): e = domish.Element((None, "foo")) e.addElement(("ns2", "bar"), 'ns2') self.assertEqual(e.toXml(), "") def testOnlyChildDefaultNamespace2(self): e = domish.Element((None, "foo")) e.addElement("bar") self.assertEqual(e.toXml(), "") def testChildInDefaultNamespace(self): e = domish.Element(("testns", "foo"), "testns2") e.addElement(("testns2", "bar")) self.assertEqual(e.toXml(), "") def testQualifiedAttribute(self): e = domish.Element((None, "foo"), attribs = {("testns2", "bar"): "baz"}) self.assertEqual(e.toXml(), "") def testQualifiedAttributeDefaultNS(self): e = domish.Element(("testns", "foo"), attribs = {("testns", "bar"): "baz"}) self.assertEqual(e.toXml(), "") def testTwoChilds(self): e = domish.Element(('', "foo")) child1 = e.addElement(("testns", "bar"), "testns2") child1.addElement(('testns2', 'quux')) child2 = e.addElement(("testns3", "baz"), "testns4") child2.addElement(('testns', 'quux')) self.assertEqual(e.toXml(), "") def testXMLNamespace(self): e = domish.Element((None, "foo"), attribs = {("http://www.w3.org/XML/1998/namespace", "lang"): "en_US"}) self.assertEqual(e.toXml(), "") def testQualifiedAttributeGivenListOfPrefixes(self): e = domish.Element((None, "foo"), attribs = {("testns2", "bar"): "baz"}) self.assertEqual(e.toXml({"testns2": "qux"}), "") def testNSPrefix(self): e = domish.Element((None, "foo"), attribs = {("testns2", "bar"): "baz"}) c = e.addElement(("testns2", "qux")) c[("testns2", "bar")] = "quux" self.assertEqual(e.toXml(), "") def testDefaultNSPrefix(self): e = domish.Element((None, "foo"), attribs = {("testns2", "bar"): "baz"}) c = e.addElement(("testns2", "qux")) c[("testns2", "bar")] = "quux" c.addElement('foo') self.assertEqual(e.toXml(), "") def testPrefixScope(self): e = domish.Element(('testns', 'foo')) self.assertEqual(e.toXml(prefixes={'testns': 'bar'}, prefixesInScope=['bar']), "") def testLocalPrefixes(self): e = domish.Element(('testns', 'foo'), localPrefixes={'bar': 'testns'}) self.assertEqual(e.toXml(), "") def testLocalPrefixesWithChild(self): e = domish.Element(('testns', 'foo'), localPrefixes={'bar': 'testns'}) e.addElement('baz') self.assertIdentical(e.baz.defaultUri, None) self.assertEqual(e.toXml(), "") def test_prefixesReuse(self): """ Test that prefixes passed to serialization are not modified. This test makes sure that passing a dictionary of prefixes repeatedly to C{toXml} of elements does not cause serialization errors. A previous implementation changed the passed in dictionary internally, causing havoc later on. """ prefixes = {'testns': 'foo'} # test passing of dictionary s = domish.SerializerClass(prefixes=prefixes) self.assertNotIdentical(prefixes, s.prefixes) # test proper serialization on prefixes reuse e = domish.Element(('testns2', 'foo'), localPrefixes={'quux': 'testns2'}) self.assertEqual("", e.toXml(prefixes=prefixes)) e = domish.Element(('testns2', 'foo')) self.assertEqual("", e.toXml(prefixes=prefixes)) def testRawXMLSerialization(self): e = domish.Element((None, "foo")) e.addRawXml("") # The testcase below should NOT generate valid XML -- that's # the whole point of using the raw XML call -- it's the callers # responsibility to ensure that the data inserted is valid self.assertEqual(e.toXml(), "") def testRawXMLWithUnicodeSerialization(self): e = domish.Element((None, "foo")) e.addRawXml(u"\u00B0") self.assertEqual(e.toXml(), u"\u00B0") def testUnicodeSerialization(self): e = domish.Element((None, "foo")) e["test"] = u"my value\u0221e" e.addContent(u"A degree symbol...\u00B0") self.assertEqual(e.toXml(), u"A degree symbol...\u00B0")