@Test
public void testElementOrderIsPreservedThroughNextPointers() throws Exception {
final Agent agent =
setUpAndRunAgent(
"testFromXml (state <s> ^superstate nil ^io.input-link <il>) -->"
+ "(<il> ^xml (from-xml |<ignored><a/><b/><c/><d/></ignored>|))");
final Identifier il = agent.getInputOutput().getInputLink();
final MatcherBuilder m = Wmes.matcher(agent);
final Identifier xml = m.attr("xml").find(il).getValue().asIdentifier();
assertNotNull(xml);
final Wme[] wmes = {
m.attr("a").find(xml), m.attr("b").find(xml), m.attr("c").find(xml), m.attr("d").find(xml)
};
for (int i = 0; i < wmes.length; ++i) {
Wme wme = wmes[i];
assertNotNull(wme);
if (i != 0) {
Wme prev = wmes[i - 1];
Wme next = m.attr(DefaultWmeToXml.NEXT).find(prev);
assertNotNull(next);
assertSame(prev.getValue(), next.getIdentifier());
assertSame(next.getValue(), wme.getValue());
}
}
}
@Test
public void testFromXmlWithOnlyText() throws Exception {
final Agent agent =
setUpAndRunAgent(
"testFromXml (state <s> ^superstate nil ^io.input-link <il>) -->"
+ "(<il> ^xml (from-xml |<ignored>This is the only text in the document</ignored>|))");
final Identifier il = agent.getInputOutput().getInputLink();
final MatcherBuilder m = Wmes.matcher(agent);
final Wme xml = m.attr("xml").find(il);
assertNotNull(xml);
assertEquals(
"This is the only text in the document",
m.attr(DefaultWmeToXml.TEXT).find(xml).getValue().asString().getValue());
}
@Test
public void testFromXmlWithOnlyAttributes() throws Exception {
final Agent agent =
setUpAndRunAgent(
"testFromXml (state <s> ^superstate nil ^io.input-link <il>) -->"
+ "(<il> ^xml (from-xml |<ignored name='Boo' value='Radley'/>|))");
final Identifier il = agent.getInputOutput().getInputLink();
final MatcherBuilder m = Wmes.matcher(agent);
final Identifier xml = m.attr("xml").find(il).getValue().asIdentifier();
assertNotNull(xml);
final Wme attrs = m.attr(DefaultWmeToXml.ATTRS).find(xml);
assertNotNull(attrs);
assertEquals(1, Iterators.size(xml.getWmes())); // Only /attrs
assertEquals("Boo", m.attr("name").find(attrs).getValue().asString().getValue());
assertEquals("Radley", m.attr("value").find(attrs).getValue().asString().getValue());
}
@Test
public void testFromXml() throws Exception {
final Agent agent =
setUpAndRunAgent(
"testFromXml (state <s> ^superstate nil ^io.input-link <il>) -->"
+ "(<il> ^xml (from-xml |"
+ "<ignored>"
+ "<location name='Ann Arbor' population='100000'>This is some text"
+ "</location>"
+ "<person>"
+ " <name>Bill</name>"
+ "</person>"
+ "</ignored>|))");
final Identifier il = agent.getInputOutput().getInputLink();
final MatcherBuilder m = Wmes.matcher(agent);
final Identifier xml = m.attr("xml").find(il).getValue().asIdentifier();
assertNotNull(xml);
final Wme location = m.attr("location").find(xml);
assertNotNull(location);
final Wme locAttrs = m.attr(DefaultWmeToXml.ATTRS).find(location);
assertNotNull(locAttrs);
assertEquals("Ann Arbor", m.attr("name").find(locAttrs).getValue().asString().getValue());
assertEquals("100000", m.attr("population").find(locAttrs).getValue().asString().getValue());
assertEquals(
"This is some text",
m.attr(DefaultWmeToXml.TEXT).find(location).getValue().asString().getValue());
final Wme person = m.attr("person").find(xml);
assertNotNull(person);
assertSame(person.getValue(), m.attr(DefaultWmeToXml.NEXT).find(location).getValue());
final Wme name = m.attr("name").find(person);
assertEquals("Bill", m.attr(DefaultWmeToXml.TEXT).find(name).getValue().asString().getValue());
}