Add JSON serialization tests for NominalFacetChoice

main/tests/server/src/com/google/refine/tests/browsing/facets/NominalFacetChoiceTests.java

@@ -0,0 +1,23 @@
+package com.google.refine.tests.browsing.facets;
+
+import org.testng.annotations.Test;
+
+import com.google.refine.browsing.DecoratedValue;
+import com.google.refine.browsing.facets.NominalFacetChoice;
+import com.google.refine.tests.util.TestUtils;
+
+public class NominalFacetChoiceTests {
+    @Test
+    public void serializeNominalFacetChoice() {
+        DecoratedValue value = new DecoratedValue("some string", "some string");
+        NominalFacetChoice choice = new NominalFacetChoice(value);
+        choice.count = 3;
+        choice.selected = true;
+        TestUtils.isSerializedTo(choice, "{"
+                + "\"v\":"
+                + "   {\"v\":\"some string\","
+                + "    \"l\":\"some string\"},"
+                + "\"c\":3,"
+                + "\"s\":true}");
+    }
+}