added unit test for ternary operator

src/test/java/org/wickedsource/docxstamper/TernaryOperatorTest.java

@@ -0,0 +1,37 @@
+package org.wickedsource.docxstamper;
+
+import org.docx4j.openpackaging.exceptions.Docx4JException;
+import org.docx4j.openpackaging.packages.WordprocessingMLPackage;
+import org.docx4j.wml.P;
+import org.junit.Assert;
+import org.junit.Test;
+import org.wickedsource.docxstamper.context.NameContext;
+import org.wickedsource.docxstamper.replace.ParagraphWrapper;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+public class TernaryOperatorTest extends AbstractDocx4jTest {
+
+    @Test
+    public void test() throws Docx4JException, IOException {
+        NameContext context = new NameContext();
+        context.setName("Homer");
+        InputStream template = getClass().getResourceAsStream("TernaryOperatorTest.docx");
+        WordprocessingMLPackage document = stampAndLoad(template, context);
+        resolvedExpressionsAreReplaced(document);
+        unresolvedExpressionsAreNotReplaced(document);
+    }
+
+    private void resolvedExpressionsAreReplaced(WordprocessingMLPackage document) {
+        P nameParagraph = (P) document.getMainDocumentPart().getContent().get(3);
+        Assert.assertEquals("Homer <-- this should read \"Homer\".", new ParagraphWrapper(nameParagraph).getText());
+    }
+
+    private void unresolvedExpressionsAreNotReplaced(WordprocessingMLPackage document) {
+        P fooParagraph = (P) document.getMainDocumentPart().getContent().get(4);
+        Assert.assertEquals("<-- this should be empty.", new ParagraphWrapper(fooParagraph).getText().trim());
+    }
+
+
+}