Add more test cases for default namespace handling

Adds additional test cases for `SimpleXmlEncoder` to ensure that the
default namespace is set correctly in all situations.

Author: cboehme

metafacture-xml/src/test/java/org/metafacture/xml/SimpleXmlEncoderTest.java

@@ -110,7 +110,7 @@ public void shouldAddNamespaceToRootElement() {
 	}
 
 	@Test
-	public void shouldAddNamespaceWithEmptyKeyAsDefaultNamespace() {
+	public void shouldAddNamespaceWithEmptyKeyAsDefaultNamespaceToRootTag() {
 		final Map<String, String> namespaces = new HashMap<String, String>();
 		namespaces.put("", "http://example.org/ns");
 		simpleXmlEncoder.setNamespaces(namespaces);
@@ -121,6 +121,16 @@ public void shouldAddNamespaceWithEmptyKeyAsDefaultNamespace() {
 				getResultXml());
 	}
 
+	@Test
+	public void shouldAddNamespaceWithEmptyKeyFromPropertiesFileAsDefaultNamespaceToRootTag() {
+		simpleXmlEncoder.setNamespaceFile("org/metafacture/xml/SimpleXmlEncoderTest_namespaces.properties");
+
+		emitEmptyRecord();
+
+		assertEquals("<?xml version=\"1.0\" encoding=\"UTF-8\"?><records xmlns=\"http://example.org/ns\"><record /></records>",
+				getResultXml());
+	}
+
 	@Test
 	public void shouldNotEmitRootTagIfWriteRootTagIsFalse() {
 		simpleXmlEncoder.setWriteRootTag(false);
@@ -144,6 +154,30 @@ public void shouldAddNamespacesToRecordTagIfWriteRootTagIsFalse() {
 				getResultXml());
 	}
 
+	@Test
+	public void shouldAddNamespaceWithEmptyKeyAsDefaultNamespaceToRecordTag() {
+		final Map<String, String> namespaces = new HashMap<String, String>();
+		namespaces.put("", "http://example.org/ns");
+		simpleXmlEncoder.setNamespaces(namespaces);
+		simpleXmlEncoder.setWriteRootTag(false);
+
+		emitEmptyRecord();
+
+		assertEquals("<?xml version=\"1.0\" encoding=\"UTF-8\"?><record  xmlns=\"http://example.org/ns\" />",
+				getResultXml());
+	}
+
+	@Test
+	public void shouldAddNamespaceWithEmptyKeyFromPropertiesFileAsDefaultNamespaceToRecordTag() {
+		simpleXmlEncoder.setNamespaceFile("org/metafacture/xml/SimpleXmlEncoderTest_namespaces.properties");
+		simpleXmlEncoder.setWriteRootTag(false);
+
+		emitEmptyRecord();
+
+		assertEquals("<?xml version=\"1.0\" encoding=\"UTF-8\"?><record  xmlns=\"http://example.org/ns\" />",
+				getResultXml());
+	}
+
 	private void emitTwoRecords() {
 		simpleXmlEncoder.startRecord("X");
 		simpleXmlEncoder.literal(TAG, VALUE);

metafacture-xml/src/test/resources/org/metafacture/xml/SimpleXmlEncoderTest_namespaces.properties

@@ -0,0 +1 @@
+=http://example.org/ns