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package org.zwobble.mammoth.tests.xml;
import com.google.common.collect.ImmutableBiMap;
import com.google.common.collect.ImmutableList;
import org.hamcrest.Matcher;
import org.hamcrest.collection.IsEmptyIterable;
import org.hamcrest.collection.IsIterableContainingInOrder;
import org.junit.Test;
import org.zwobble.mammoth.xml.XmlElement;
import org.zwobble.mammoth.xml.XmlNode;
import org.zwobble.mammoth.xml.XmlTextNode;
import org.zwobble.mammoth.xml.parsing.XmlParser;
import java.io.ByteArrayInputStream;
import java.util.List;
import java.util.Map;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.*;
import static org.zwobble.mammoth.util.MammothMaps.map;
public class XmlParserTests {
private final XmlParser parser = new XmlParser(ImmutableBiMap.of());
@Test
public void canParseSelfClosingElement() {
assertThat(
parser.parseString("<body/>"),
isElement("body"));
assertThat(
parser.parseString("<values/>"),
isElement("values"));
}
@Test
public void canParseEmptyElementWithSeparateClosingTag() {
assertThat(
parser.parseString("<body></body>"),
isElement("body"));
}
@Test
public void canParseAttributesOfTag() {
assertThat(
parser.parseString("<body name='bob'></body>"),
isElement("body", map("name", "bob")));
}
@Test
public void canParseElementWithDescendantElements() {
assertThat(
parser.parseString("<body><a><b/></a><a/></body>"),
isElement("body", map(), ImmutableList.of(
isElement("a", map(), ImmutableList.of(
isElement("b"))),
isElement("a"))));
}
@Test
public void canParseTextNodes() {
assertThat(
parser.parseString("<body>Hello!</body>"),
isElement("body", map(), ImmutableList.of(
isTextNode("Hello!"))));
}
@Test
public void unmappedNamespaceUrisInElementNamesAreIncludedInBracesAsPrefix() {
assertThat(
parser.parseString("<w:body xmlns:w='word'/>"),
isElement("{word}body"));
}
@Test
public void unmappedNamespaceUrisInAttributeNamesAreIncludedInBracesAsPrefix() {
assertThat(
parser.parseString("<body xmlns:w='word' w:name='bob'></body>"),
isElement("body", map("{word}name", "bob")));
}
@Test
public void mappedNamespaceUrisInElementNamesArePrefixedToLocalNameWithColon() {
XmlParser parser = new XmlParser(ImmutableBiMap.of("x", "word"));
assertThat(
parser.parseString("<w:body xmlns:w='word'/>"),
isElement("x:body"));
}
@Test
public void mappedNamespaceUrisInAttributeNamesArePrefixedToLocalNameWithColon() {
XmlParser parser = new XmlParser(ImmutableBiMap.of("x", "word"));
assertThat(
parser.parseString("<body xmlns:w='word' w:name='bob'/>"),
isElement("body", map("x:name", "bob")));
}
@Test
public void canParseInputStream() {
assertThat(
parser.parseStream(new ByteArrayInputStream("<body/>".getBytes())),
isElement("body"));
}
private Matcher<XmlElement> isElement(String name) {
return isElement(name, map());
}
private Matcher<XmlElement> isElement(String name, Map<String, String> attributes) {
return isElement(name, attributes, ImmutableList.of());
}
private Matcher<XmlElement> isElement(String name, Map<String, String> attributes, List<Matcher<? extends XmlNode>> children) {
return allOf(
hasProperty("name", equalTo(name)),
hasProperty("attributes", equalTo(attributes)),
hasProperty("children", isNodes(children)));
}
private Matcher<Iterable<XmlNode>> isNodes(List<Matcher<? extends XmlNode>> children) {
if (children.isEmpty()) {
return (Matcher)new IsEmptyIterable<>();
} else {
return new IsIterableContainingInOrder<>((List) children);
}
}
private Matcher<XmlNode> isTextNode(String value) {
return allOf(
instanceOf(XmlTextNode.class),
hasProperty("value", equalTo(value)));
}
}
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