File: XML.html

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openlayers 2.13.1%2Bds2-11
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<html> 
<head> 
    <script src="../OLLoader.js"></script> 
    <script type="text/javascript">

    var text =
        '<?xml version="1.0"?>' + 
        '<ol:root xmlns="http://namespace.default.net" ' +
                 'xmlns:ol="http://namespace.openlayers.org" ' + 
                 'xmlns:ta="http://namespace.testattribute.net">' +
            '<ol:child ta:attribute="value1" ' +
                      'attribute="value2">' +
                'junk1' +
            '<' + '/ol:child>' +
            '<ol:child>junk2<' + '/ol:child>' +
            '<ol:child>junk3<' + '/ol:child>' +
            '<element>junk4<' + '/element>' + 
            '<ol:element>junk5<' + '/ol:element>' + 
            '<ol:p>' +
                '<ol:a>junk' +
                '<' + '/ol:a>' + 
                '<ol:b>junk' +
                '<' + '/ol:b>' + 
                '<ol:a>junk' +
                '<' + '/ol:a>' + 
            '<' + '/ol:p>' + 
        '<' + '/ol:root>';

    function test_Format_XML_constructor(t) { 
        t.plan(13); 
         
        var options = {'foo': 'bar'}; 
        var format = new OpenLayers.Format.XML(options); 
        t.ok(format instanceof OpenLayers.Format.XML, 
             "new OpenLayers.Format.XML returns object" ); 
        t.eq(format.foo, "bar", "constructor sets options correctly"); 
        t.eq(typeof format.read, "function", "format has a read function"); 
        t.eq(typeof format.write, "function", "format has a write function");

        t.ok(!window.ActiveXObject || format.xmldom, "browsers with activeX must have xmldom");
        
        // test namespaces
        t.ok(format.namespaces instanceof Object, "format has namespace object");
        var namespaces = {"foo": "bar"};
        format = new OpenLayers.Format.XML({namespaces: namespaces});
        t.eq(format.namespaces, namespaces, "format.namespaces correctly set in constructor");
        
        // test default prefix
        t.eq(format.defaultPrefix, null, "defaultPrefix is null by default");
        format = new OpenLayers.Format.XML({defaultPrefix: "foo"});
        t.eq(format.defaultPrefix, "foo", "defaultPrefix correctly set in constructor");

        // test readers
        t.ok(format.readers instanceof Object, "format has readers object");
        var readers = {"foo": "bar"};
        format = new OpenLayers.Format.XML({readers: readers});
        t.eq(format.readers, readers, "format.readers correctly set in constructor");

        // test readers
        t.ok(format.writers instanceof Object, "format has writers object");
        var writers = {"foo": "bar"};
        format = new OpenLayers.Format.XML({writers: writers});
        t.eq(format.writers, writers, "format.writers correctly set in constructor");
    }
    
    function test_destroy(t) {
        t.plan(1);
        var format = new OpenLayers.Format.XML();
        format.destroy();
        t.eq(format.xmldom, null, "xmldom set to null for all browsers");
    }

    function test_Format_XML_read(t) {
        
        var format = new OpenLayers.Format.XML();
        t.plan(format.xmldom ? 10 : 9);

        var doc = format.read(text);
        t.eq(doc.nodeType, 9,
             "doc has the correct node type");
        t.eq(doc.nodeName, "#document",
             "doc has the correct node name");
        t.ok(doc.documentElement,
             "ok to access doc.documentElement");
        t.xml_eq(doc.documentElement, text,
                 "doc.documentElement correctly read");
        
        // read can also be called on the prototype directly
        doc = OpenLayers.Format.XML.prototype.read(text);
        t.eq(doc.nodeType, 9,
             "doc has the correct node type");
        t.eq(doc.nodeName, "#document",
             "doc has the correct node name");
        t.ok(doc.documentElement,
             "ok to access doc.documentElement");
        t.xml_eq(doc.documentElement, text,
                 "doc.documentElement correctly read");
        
        // where appropriate, make sure doc is loaded into xmldom property
        if(format.xmldom) {
            t.xml_eq(format.xmldom.documentElement, text,
                     "xmldom.documentElement contains equivalent xml");
        }
        
        // test equivalence with different namespace alias
        var pre1 = 
            "<pre1:parent xmlns:pre1='http://namespace'>" +
                "<pre1:child1>value2</pre1:child1>" +
                "<pre1:child2 pre1:attr1='foo'>value2</pre1:child2>" +
                "<pre1:child3 chicken:attr='hot' xmlns:chicken='http://soup'/>" +
            "</pre1:parent>";
        var pre2 = 
            "<pre2:parent xmlns:pre2='http://namespace'>" +
                "<pre2:child1>value2</pre2:child1>" +
                "<pre2:child2 pre2:attr1='foo'>value2</pre2:child2>" +
                "<pre2:child3 pea:attr='hot' xmlns:pea='http://soup'/>" +
            "</pre2:parent>";
        var doc1 = format.read(pre1);
        t.xml_eq(doc1.documentElement, pre2, "read correctly sets namespaces");
        
    }

    function test_Format_XML_write(t) {
        t.plan(2);

        var format = new OpenLayers.Format.XML();
        var doc = format.read(text);
        var out = format.write(doc);
        out = out.replace(/[\r\n]/g, '');
        out = out.replace( /<\?.*\?>/, '')
        var expected = text.replace(/<\?.*\?>/, '')
        t.eq(expected, out,
             "correctly writes an XML DOM doc");
        var out = format.write(
          format.getElementsByTagNameNS(doc,
           "http://namespace.openlayers.org","root")[0]);
        out = out.replace(/[\r\n]/g, '');
        out = out.replace( /<\?.*\?>/, '')
        t.eq(out, expected,
             "correctly writes an XML DOM node");
    }

    function test_Format_XML_createElementNS(t) {
        t.plan(5);

        var format = new OpenLayers.Format.XML();
        var uri = "http://foo.com";
        var prefix = "foo";
        var localName = "bar";
        var qualifiedName = prefix + ":" + localName;
        var node = format.createElementNS(uri, qualifiedName);
        t.eq(node.nodeType, 1,
             "node has correct type");
        t.eq(node.nodeName, qualifiedName,
             "node has correct qualified name");
        t.eq(node.prefix, prefix,
             "node has correct prefix");
        t.eq(node.namespaceURI, uri,
             "node has correct namespace uri");
        
        var doc = format.read(text);
        if (doc.importNode) {
            node = doc.importNode(node, true);
        }    
        t.ok(doc.documentElement.appendChild(node),
             "node can be appended to a doc root");
    }

    function test_createDocumentFragment(t) {
        t.plan(3);

        var format = new OpenLayers.Format.XML();
        var uri = "http://foo.com";
        var prefix = "foo";
        var localName = "bar";
        var qualifiedName = prefix + ":" + localName;
        var parent = format.createElementNS(uri, qualifiedName);

        var fragment = format.createDocumentFragment();
        t.eq(fragment.nodeType, 11, "fragment type");

        try {
            fragment.appendChild(format.createTextNode("one"));
            fragment.appendChild(format.createTextNode("two"));
            t.eq(fragment.childNodes.length, 2, "fragment has two child nodes");
        } catch (err) {
            t.fail("trouble appending text nodes to fragment: " + err.message);
        }

        try {
            parent.appendChild(fragment);
            t.eq(parent.childNodes.length, 2, "parent has two child nodes");
        } catch (err) {
            t.fail("trouble appending fragment to parent: " + err.message);
        }
    }

    function test_Format_XML_createTextNode(t) {
        t.plan(10);

        var format = new OpenLayers.Format.XML();
        var value, node;

        value = "string";
        node = format.createTextNode(value);
        t.eq(node.nodeType, 3,
             "[string] node has correct type");
        t.eq(node.nodeName, "#text",
             "[string] node has correct name");
        t.eq(node.nodeValue, "string",
             "[string] node has correct value");
        
        value = 0.42;
        node = format.createTextNode(value);
        t.eq(node.nodeType, 3,
             "[number] node has correct type");
        t.eq(node.nodeName, "#text",
             "[number] node has correct name");
        t.eq(node.nodeValue, "0.42",
             "[number] node has correct value");

        value = false;
        node = format.createTextNode(value);
        t.eq(node.nodeType, 3,
             "[boolean] node has correct type");
        t.eq(node.nodeName, "#text",
             "[boolean] node has correct name");
        t.eq(node.nodeValue, "false",
             "[boolean] node has correct value");

        var doc = format.read(text);
        if (doc.importNode) {
            node = doc.importNode(node, true);
        }    
        t.ok(doc.documentElement.appendChild(node),
             "node can be appended to a doc root");
    }

    function test_Format_XML_getElementsByTagNameNS(t) {
        t.plan(5);

        var format = new OpenLayers.Format.XML();
        var olUri = "http://namespace.openlayers.org";
        var name = "child";
        var doc = format.read(text);
        var nodes = format.getElementsByTagNameNS(doc.documentElement,
                                                  olUri, name);
        t.eq(nodes.length, 3,
             "gets correct number of nodes");
        var qualifiedName = nodes[0].prefix + ":" + name;
        t.eq(nodes[0].nodeName, qualifiedName,
             "first node has correct qualified name");
        
        var defaultUri = "http://namespace.default.net";
        name = "element";
        nodes = format.getElementsByTagNameNS(doc.documentElement,
                                                  defaultUri, name);
        t.eq(nodes.length, 1,
             "gets correct number of nodes in default namespace");
        
        var pList = format.getElementsByTagNameNS(doc.documentElement,
                                                  olUri, "p");
        t.eq(pList.length, 1, "got one ol:p element");
        var p = pList[0];
        
        var aList = format.getElementsByTagNameNS(p, olUri, "a");
        t.eq(aList.length, 2, "got two child ol:a elements");
        
        
        
    }

    function test_Format_XML_getAttributeNodeNS(t) {
        t.plan(5);

        var format = new OpenLayers.Format.XML();
        var doc = format.read(text);
        var olUri = "http://namespace.openlayers.org";
        var taUri = "http://namespace.testattribute.net";
        var localNodeName = "child";
        var localAttrName = "attribute";
        var nodes = format.getElementsByTagNameNS(doc.documentElement,
                                                  olUri, localNodeName);
        var attributeNode = format.getAttributeNodeNS(nodes[0],
                                                      taUri, localAttrName);
        var qualifiedName = attributeNode.prefix + ":" + localAttrName;

        t.ok(attributeNode,
             "returns non-null value");
        t.eq(attributeNode.nodeType, 2,
             "attribute node has correct type");
        t.eq(attributeNode.nodeName, qualifiedName,
             "attribute node has correct qualified name");
        t.eq(attributeNode.nodeValue, "value1",
             "attribute node has correct value");
        
        var nullAttribute = format.getAttributeNodeNS(nodes[0],
                                                      taUri, "nothing");
        t.ok(nullAttribute === null,
             "returns null for nonexistent attribute");
    }

    function test_Format_XML_getAttributeNS(t) {
        t.plan(2);

        var format = new OpenLayers.Format.XML();
        var doc = format.read(text);
        var olUri = "http://namespace.openlayers.org";
        var taUri = "http://namespace.testattribute.net";
        var localNodeName = "child";
        var localAttrName = "attribute";
        var nodes = format.getElementsByTagNameNS(doc.documentElement,
                                                  olUri, localNodeName);
        var attributeValue = format.getAttributeNS(nodes[0],
                                                   taUri, localAttrName);
        t.eq(attributeValue, "value1",
             "got correct attribute value");
        
        var emptyValue = format.getAttributeNS(nodes[0],
                                              taUri, "nothing");
        t.ok(emptyValue === "",
             "returns empty string for nonexistent attributes");
    }

    function test_Format_XML_hasAttributeNS(t) {
        t.plan(2);

        var format = new OpenLayers.Format.XML();
        var doc = format.read(text);
        var olUri = "http://namespace.openlayers.org";
        var taUri = "http://namespace.testattribute.net";
        var localNodeName = "child";
        var localAttrName = "attribute";
        var nodes = format.getElementsByTagNameNS(doc.documentElement,
                                                  olUri, localNodeName);
        var found = format.hasAttributeNS(nodes[0], taUri, localAttrName);
        t.ok(found === true, "returns true for good attribute");
        
        found = format.hasAttributeNS(nodes[0], taUri, "nothing");
        t.ok(found === false, "returns false for bad attribute");
    }
    
    function test_namespaces(t) {
        t.plan(2);
        
        var format = new OpenLayers.Format.XML({
            namespaces: {
                "def": "http://example.com/default",
                "foo": "http://example.com/foo",
                "bar": "http://example.com/bar"
            },
            defaultPrefix: "def"
        });
        
        // test that prototype has not been altered
        t.eq(OpenLayers.Format.XML.prototype.namespaces, null,
             "setting namespaces at construction does not modify prototype");
        
        // test that namespaceAlias has been set
        t.eq(format.namespaceAlias["http://example.com/foo"], "foo",
             "namespaceAlias mapping has been set");
        
    }
    
    function test_setNamespace(t) {
        t.plan(3);
        
        var format = new OpenLayers.Format.XML();
        
        // test that namespaces is an object
        t.ok(format.namespaces instanceof Object, "empty namespace object set");
        
        format.setNamespace("foo", "http://example.com/foo");
        t.eq(format.namespaces["foo"], "http://example.com/foo", "alias -> uri mapping set");
        t.eq(format.namespaceAlias["http://example.com/foo"], "foo", "uri -> alias mapping set");

    }
    
    function test_readChildNodes(t) {
        
        var text = "<?xml version='1.0' encoding='UTF-8'?>" +
        "<container xmlns='http://example.com/foo'>" +
            "<marker name='my marker 1'>" +
                "<position>" +
                    "<lon>-180</lon>" +
                    "<lat>90</lat>" +
                "</position>" +
                "<detail>some text for first marker</detail>" +
                "<atom:link xmlns:atom='http://www.w3.org/2005/Atom' href='http://host/path/1'/>" +
            "</marker>" +
            "<marker name='my marker 2'>" +
                "<position>" +
                    "<lon>180</lon>" +
                    "<lat>-90</lat>" +
                "</position>" +
                "<detail>some text for second marker</detail>" +
                "<atom:link xmlns:atom='http://www.w3.org/2005/Atom' href='http://host/path/2'/>" +
            "</marker>" +
        "</container>";
        
        var expect = [
            new OpenLayers.Feature.Vector(
                new OpenLayers.Geometry.Point(-180, 90),
                {
                    name: 'my marker 1',
                    link: 'http://host/path/1',
                    detail: 'some text for first marker'
                }
            ),
            new OpenLayers.Feature.Vector(
                new OpenLayers.Geometry.Point(180, -90),
                {
                    name: 'my marker 2',
                    link: 'http://host/path/2',
                    detail: 'some text for second marker'
                }
            )
        ];
        
        var format = new OpenLayers.Format.XML({
            defaultPrefix: "foo",
            namespaces: {
                "foo": "http://example.com/foo",
                "atom": "http://www.w3.org/2005/Atom"
            },
            readers: {
                "foo": {
                    "container": function(node, obj) {
                        var list = [];
                        this.readChildNodes(node, list);
                        obj.list = list;
                    },
                    "marker": function(node, list) {
                        var feature = new OpenLayers.Feature.Vector();
                        feature.attributes.name = node.getAttribute("name");
                        this.readChildNodes(node, feature);
                        list.push(feature);
                    },
                    "position": function(node, feature) {
                        var obj = {};
                        this.readChildNodes(node, obj);
                        feature.geometry = new OpenLayers.Geometry.Point(obj.x, obj.y);
                    },
                    "lon": function(node, obj) {
                        obj.x = this.getChildValue(node);
                    },
                    "lat": function(node, obj) {
                        obj.y = this.getChildValue(node);
                    },
                    "detail": function(node, feature) {
                        feature.attributes.detail = this.getChildValue(node);
                    }
                },
                "atom": {
                    "link": function(node, feature) {
                        feature.attributes.link = node.getAttribute("href");
                    }                    
                }
            }
        });
        
        // convert text to document node
        var doc = format.read(text);
        // read child nodes to get back some object
        var obj = format.readChildNodes(doc);
        // start comparing what we got to what we expect
        var got = obj.list;
        
        t.plan(11);
        t.eq(got.length, expect.length, "correct number of items parsed");
        t.eq(got[0].geometry.x, expect[0].geometry.x, "correct x coord parsed for marker 1");
        t.eq(got[0].geometry.y, expect[0].geometry.y, "correct y coord parsed for marker 1");
        t.eq(got[0].attributes.name, expect[0].attributes.name, "correct name parsed for marker 1");
        t.eq(got[0].attributes.detail, expect[0].attributes.detail, "correct detail parsed for marker 1");
        t.eq(got[0].attributes.link, expect[0].attributes.link, "correct link parsed for marker 1");
        t.eq(got[1].geometry.x, expect[1].geometry.x, "correct x coord parsed for marker 2");
        t.eq(got[1].geometry.y, expect[1].geometry.y, "correct y coord parsed for marker 2");
        t.eq(got[1].attributes.name, expect[1].attributes.name, "correct name parsed for marker 2");
        t.eq(got[1].attributes.detail, expect[1].attributes.detail, "correct detail parsed for marker 2");
        t.eq(got[1].attributes.link, expect[1].attributes.link, "correct link parsed for marker 2");
        
    }
    
    function test_writeNode(t) {
        
        var features = [
            new OpenLayers.Feature.Vector(
                new OpenLayers.Geometry.Point(-180, 90),
                {
                    name: 'my marker 1',
                    link: 'http://host/path/1',
                    detail: 'some text for first marker'
                }
            ),
            new OpenLayers.Feature.Vector(
                new OpenLayers.Geometry.Point(180, -90),
                {
                    name: 'my marker 2',
                    link: 'http://host/path/2',
                    detail: 'some text for second marker'
                }
            )
        ];

        var expect = "<?xml version='1.0' encoding='UTF-8'?>" +
        "<container xmlns='http://example.com/foo'>" +
            "<marker name='my marker 1'>" +
                "<position>" +
                    "<lon>-180</lon>" +
                    "<lat>90</lat>" +
                "</position>" +
                "<detail>some text for first marker</detail>" +
                "<atom:link xmlns:atom='http://www.w3.org/2005/Atom' href='http://host/path/1'/>" +
            "</marker>" +
            "<marker name='my marker 2'>" +
                "<position>" +
                    "<lon>180</lon>" +
                    "<lat>-90</lat>" +
                "</position>" +
                "<detail>some text for second marker</detail>" +
                "<atom:link xmlns:atom='http://www.w3.org/2005/Atom' href='http://host/path/2'/>" +
            "</marker>" +
        "</container>";
        
        var format = new OpenLayers.Format.XML({
            defaultPrefix: "foo",
            namespaces: {
                "foo": "http://example.com/foo",
                "atom": "http://www.w3.org/2005/Atom"
            },
            writers: {
                "foo": {
                    "container": function(features) {
                        var node = this.createElementNSPlus("container");
                        var feature;
                        for(var i=0; i<features.length; ++i) {
                            feature = features[i];
                            this.writeNode("marker", features[i], node);
                        }
                        return node;
                    },
                    "marker": function(feature) {
                        var node = this.createElementNSPlus("marker", {
                            attributes: {name: feature.attributes.name}
                        });
                        this.writeNode("position", feature.geometry, node);
                        this.writeNode("detail", feature.attributes.detail, node);
                        this.writeNode("atom:link", feature.attributes.link, node);
                        return node;
                    },
                    "position": function(geometry) {
                        var node = this.createElementNSPlus("position");
                        this.writeNode("lon", geometry.x, node);
                        this.writeNode("lat", geometry.y, node);
                        return node;
                    },
                    "lon": function(x) {
                        return this.createElementNSPlus("lon", {
                            value: x
                        });
                    },
                    "lat": function(y) {
                        return this.createElementNSPlus("lat", {
                            value: y
                        });
                    },
                    "detail": function(text) {
                        return this.createElementNSPlus("detail", {
                            value: text
                        });
                    }
                },
                "atom": {
                    "link": function(href) {
                        return this.createElementNSPlus("atom:link", {
                            attributes: {href: href}
                        });
                    }
                }
            }
            
        });
        
        t.plan(1);
        // test that we get what we expect from writeNode
        var got = format.writeNode("container", features);
        t.xml_eq(got, expect, "features correctly written");
    }
    
    function test_createElementNSPlus(t) {
        
        var format = new OpenLayers.Format.XML({
            defaultPrefix: "def",
            namespaces: {
                "def": "http://example.com/default",
                "foo": "http://example.com/foo",
                "bar": "http://example.com/bar"
            }
        });
        
        var cases = [
            {
                description: "unprefixed name with default options",
                node: format.createElementNSPlus("FooNode"),
                expect: "<def:FooNode xmlns:def='http://example.com/default'/>"
            }, {
                description: "def prefixed name with default options",
                node: format.createElementNSPlus("def:FooNode"),
                expect: "<def:FooNode xmlns:def='http://example.com/default'/>"
            }, {
                description: "foo prefixed name with default options",
                node: format.createElementNSPlus("foo:FooNode"),
                expect: "<foo:FooNode xmlns:foo='http://example.com/foo'/>"
            }, {
                description: "unprefixed name with uri option",
                node: format.createElementNSPlus("FooNode", {
                    uri: "http://example.com/elsewhere"
                }),
                expect: "<FooNode xmlns='http://example.com/elsewhere'/>"
            }, {
                description: "foo prefixed name with uri option (overriding format.namespaces)",
                node: format.createElementNSPlus("foo:FooNode", {
                    uri: "http://example.com/elsewhere"
                }),
                expect: "<foo:FooNode xmlns:foo='http://example.com/elsewhere'/>"
            }, {
                description: "foo prefixed name with attributes option",
                node: format.createElementNSPlus("foo:FooNode", {
                    attributes: {
                        "id": "123",
                        "foo:attr1": "namespaced attribute 1",
                        "bar:attr2": "namespaced attribute 2"
                    }
                }),
                expect: "<foo:FooNode xmlns:foo='http://example.com/foo' xmlns:bar='http://example.com/bar' id='123' foo:attr1='namespaced attribute 1' bar:attr2='namespaced attribute 2'/>"
            }, {
                description: "foo prefixed name with attributes and value options",
                node: format.createElementNSPlus("foo:FooNode", {
                    attributes: {"id": "123"},
                    value: "text value"
                }),
                expect: "<foo:FooNode xmlns:foo='http://example.com/foo' id='123'>text value<" + "/foo:FooNode>"
            }, {
                description: "value of 0 gets appended as a text node",
                node: format.createElementNSPlus("foo:bar", {value: 0}),
                expect: "<foo:bar xmlns:foo='http://example.com/foo'>0</foo:bar>"
            }, {
                description: "value of 0.42 gets appended as a text node",
                node: format.createElementNSPlus("foo:bar", {value: 0.42}),
                expect: "<foo:bar xmlns:foo='http://example.com/foo'>0.42</foo:bar>"
            }, {
                description: "value of true gets appended as a text node",
                node: format.createElementNSPlus("foo:bar", {value: true}),
                expect: "<foo:bar xmlns:foo='http://example.com/foo'>true</foo:bar>"
            }, {
                description: "value of false gets appended as a text node",
                node: format.createElementNSPlus("foo:bar", {value: false}),
                expect: "<foo:bar xmlns:foo='http://example.com/foo'>false</foo:bar>"
            }, {
                description: "null value does not get appended as a text node",
                node: format.createElementNSPlus("foo:bar", {value: null}),
                expect: "<foo:bar xmlns:foo='http://example.com/foo'/>"
            }, {
                description: "undefined value does not get appended as a text node",
                node: format.createElementNSPlus("foo:bar"),
                expect: "<foo:bar xmlns:foo='http://example.com/foo'/>"
            }
        ];
        
        t.plan(cases.length);
        var test;
        for(var i=0; i<cases.length; ++i) {
            test = cases[i];
            t.xml_eq(test.node, test.expect, test.description);
        }
        
    }
    
    function test_setAttributes(t) {
        
        var format = new OpenLayers.Format.XML({
            defaultPrefix: "def",
            namespaces: {
                "def": "http://example.com/default",
                "foo": "http://example.com/foo",
                "bar": "http://example.com/bar"
            }
        });
        
        var cases = [
            {
                description: "unprefixed attribute",
                node: format.createElementNSPlus("foo:Node"),
                attributes: {"id": "123"},
                expect: "<foo:Node xmlns:foo='http://example.com/foo' id='123'/>"
            }, {
                description: "foo prefixed attribute",
                node: format.createElementNSPlus("foo:Node"),
                attributes: {"foo:id": "123"},
                expect: "<foo:Node xmlns:foo='http://example.com/foo' foo:id='123'/>"
            }, {
                description: "foo prefixed attribute with def prefixed node",
                node: format.createElementNSPlus("def:Node"),
                attributes: {"foo:id": "123"},
                expect: "<def:Node xmlns:def='http://example.com/default' xmlns:foo='http://example.com/foo' foo:id='123'/>"
            }, {
                description: "multiple attributes",
                node: format.createElementNSPlus("def:Node"),
                attributes: {"id": "123", "foo": "bar"},
                expect: "<def:Node xmlns:def='http://example.com/default' id='123' foo='bar'/>"
            }
        ];
        
        t.plan(cases.length);
        var test;
        for(var i=0; i<cases.length; ++i) {
            test = cases[i];
            format.setAttributes(test.node, test.attributes);
            t.xml_eq(test.node, test.expect, test.description);
        }
        
    }

    function test_keepData(t) { 
        t.plan(2);

        var options = {'keepData': true};
        var format = new OpenLayers.Format.XML(options); 
        format.read(text);

        t.ok(format.data != null, 'data property is not null after read with keepData=true');
        t.eq(format.data.documentElement.tagName,'ol:root','keepData keeps the right data');
    }

    function test_getChildValue(t) {

        t.plan(1);

        var text =
            "<?xml version='1.0' encoding='UTF-8'?>" +
            "<root>" +
                "x<!-- comment -->y<!-- comment 2 --><![CDATA[z]]>z<foo />&#x79;" +
            "</root>";

        var format = new OpenLayers.Format.XML();
        var doc = format.read(text).documentElement;

        t.eq(format.getChildValue(doc), "xyzzy", "child value skips comments, concatenates multiple values, reads through entities");

    }
    
    function test_getChildEl(t) {

        t.plan(3);

        var text =
            "<?xml version='1.0' encoding='UTF-8'?>" +
            "<root>" +
                "<!-- comment -->" +
                "<a>x</a>" +
                "<b>x</b>" +
            "</root>";

        var format = new OpenLayers.Format.XML();
        var doc = format.read(text).documentElement;

        var a = format.getChildEl(doc);
        t.eq(a.nodeName, "a", "first element found correctly");
        
        a = format.getChildEl(doc, "a");
        t.eq(b, null, "first child element matches the given name");

        var b = format.getChildEl(doc, "b");
        t.eq(b, null, "first child element does not match the given name");

    }
    
    function test_getNextEl(t) {
        t.plan(5);

        var text =
            "<?xml version='1.0' encoding='UTF-8'?>" +
            "<root>" +
                "<!-- comment -->" +
                "<a>x</a>" +
                "<!-- comment -->" +
                "<b xmlns='urn:example'>x</b>" +
            "</root>";

        var format = new OpenLayers.Format.XML();
        var doc = format.read(text).documentElement;

        var a = format.getChildEl(doc);
        
        var b = format.getNextEl(a);
        t.eq(b && b.nodeName, "b", "next element correctly found");
        
        b = format.getNextEl(a, "b");
        t.eq(b && b.nodeName, "b", "next element correctly found when name supplied");

        b = format.getNextEl(a, "c");
        t.eq(b, null, "null returned when name does not match next element");

        b = format.getNextEl(a, null, "urn:example");
        t.eq(b && b.nodeName, "b", "next element correctly found when namespace supplied");

        b = format.getNextEl(a, null, "foo");
        t.eq(b, null, "null returned when namespace does not match next element");

    }
    
    function test_isSimpleContent(t) {
        t.plan(2);

        var text =
            "<?xml version='1.0' encoding='UTF-8'?>" +
            "<root>" +
                "<!-- comment -->" +
                "<a>x<!-- comment -->y<!-- comment 2 --><![CDATA[z]]>z<foo />&#x79;</a>" +
                "<!-- comment -->" +
                "<b>x<!-- comment -->y<!-- comment 2 --><![CDATA[z]]>z&#x79;</b>" +
            "</root>";

        var format = new OpenLayers.Format.XML();
        var doc = format.read(text).documentElement;

        var a = format.getChildEl(doc);
        var b = format.getNextEl(a);
        t.ok(!format.isSimpleContent(a), "<a> content is not simple");
        t.ok(format.isSimpleContent(b), "<b> content is simple");

    }

    function test_lookupNamespaceURI(t) {
        
        t.plan(8);

        var text =
            "<?xml version='1.0' encoding='UTF-8'?>" +
            "<root xmlns:baz='urn:baznamespace'>" +
                "<!-- comment -->" +
                "<a><foo /></a>" +
                "<!-- comment -->" +
                "<b xmlns='urn:example'><!-- comment --><bar foo='value'/></b>" +
            "</root>";

        var format = new OpenLayers.Format.XML();
        var doc = format.read(text).documentElement;

        var a = format.getChildEl(doc);
        t.eq(format.lookupNamespaceURI(a, "baz"), "urn:baznamespace", "prefix lookup on first child");

        var foo = format.getChildEl(a);
        t.eq(format.lookupNamespaceURI(foo, "baz"), "urn:baznamespace", "prefix lookup on child of first child");
        
        var b = format.getNextEl(a);
        t.eq(format.lookupNamespaceURI(b, null), "urn:example", "default namespace lookup on element");
        
        var bar = format.getChildEl(b);
        t.eq(format.lookupNamespaceURI(bar, null), "urn:example", "default namespace lookup on child");
        t.eq(format.lookupNamespaceURI(bar, "baz"), "urn:baznamespace", "prefix lookup on child with different default");

        // test that the alias behaves properly
        var lookup = OpenLayers.Format.XML.lookupNamespaceURI;
        t.eq(lookup(bar, "baz"), "urn:baznamespace", "(alias) prefix lookup on child with different default");

        var attr = bar.attributes[0];
        // Internet Explorer didn't have the ownerElement property until 8.
        var supportsOwnerElement = !!attr.ownerElement;        
        if(supportsOwnerElement) {
            t.eq(format.lookupNamespaceURI(attr, null), "urn:example", "default namespace lookup on attribute");
            t.eq(format.lookupNamespaceURI(attr, "baz"), "urn:baznamespace", "prefix lookup on attribute with different default");
        } else {
            t.debug_print("namespace lookup on attributes not supported in this browser");
            t.ok(true, "namespace lookup on attributes not supported in this browser");
            t.ok(true, "namespace lookup on attributes not supported in this browser");
        }

    }
    
    function test_getXMLDoc(t) {
        t.plan(2);
        var format = new OpenLayers.Format.XML();
        var doc = format.getXMLDoc();
        t.ok(doc !== document, "document returned from getXMLDoc is not the page's html doc");
        var root = format.createElementNS("http://test", "root");
        // appending CDATA created from a different document
        var cdata = doc.createCDATASection("<foo></foo>");
        root.appendChild(cdata);
        var result = format.write(root);
        var expect = '<root xmlns="http://test"><![CDATA[<foo></foo>]]></root>';
        t.eq(result, expect, "document with CDATA section serialized correctly");
    }

    
    </script> 
</head> 
<body> 
</body> 
</html>