test_QualifiedName.java

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package org.custommonkey.xmlunit;

import java.util.HashMap;
import java.util.Map;
import junit.framework.Assert;
import junit.framework.TestCase;

public class test_QualifiedName extends TestCase {

    public void testParseBareLocalName() {
        Assert.assertEquals(new QualifiedName("foo"),
                            QualifiedName.valueOf("foo"));
    }

    public void testParseQNameToStringStyle() {
        Assert.assertEquals(new QualifiedName("foo", "bar"),
                            QualifiedName.valueOf("{foo}bar"));
    }

    public void testParsePrefixStyle() {
        Map<String, String> m = new HashMap<String, String>();
        m.put("pre", "foo");
        NamespaceContext ctx = new SimpleNamespaceContext(m);
        Assert.assertEquals(new QualifiedName("foo", "bar"),
                            QualifiedName.valueOf("pre:bar", ctx));
    }

    public void testParsePrefixStyleImplicitContext() {
        Map<String, String> m = new HashMap<String, String>();
        m.put("pre", "foo");
        XMLUnit.setXpathNamespaceContext(new SimpleNamespaceContext(m));
        try {
            Assert.assertEquals(new QualifiedName("foo", "bar"),
                                QualifiedName.valueOf("pre:bar"));
        } finally {
            XMLUnit.setXpathNamespaceContext(null);
        }
    }

    public void testValueMustNotBeNull() {
        shouldThrowWithMessage(null, "null");
    }

    public void testLocalPartMustNotBeEmptyQNameStyle() {
        shouldThrowWithMessage("{foo}", "must not be empty");
    }

    public void testLocalPartMustNotBeEmptyPrefixStyle() {
        shouldThrowWithMessage("foo:", "must not be empty");
    }

    public void testPrefixStyleRequiresNamespaceContext() {
        shouldThrowWithMessage("foo:bar", "without a NamespaceContext");
    }

    public void testPrefixMustBeKnownToContext() {
        Map<String, String> m = new HashMap<String, String>();
        XMLUnit.setXpathNamespaceContext(new SimpleNamespaceContext(m));
        try {
            shouldThrowWithMessage("foo:bar", "foo is unknown");
        } finally {
            XMLUnit.setXpathNamespaceContext(null);
        }
    }

    private void shouldThrowWithMessage(String valueToParse,
                                        String messagePart) {
        try {
            QualifiedName.valueOf(valueToParse);
            Assert.fail("expected IllegalArgumentException");
        } catch (IllegalArgumentException ex) {
            String msg = ex.getMessage();
            Assert.assertTrue("exception message should contain '"
                              + messagePart + "' but was " + msg,
                              msg.indexOf(messagePart) >= 0);
        }
    }
}