Add unit tests to satisfy coverage requirements.

zanata-war/src/test/java/org/zanata/ui/FilterUtilTest.java

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+/*
+ * Copyright 2015, Red Hat, Inc. and individual contributors as indicated by the
+ * @author tags. See the copyright.txt file in the distribution for a full
+ * listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free
+ * Software Foundation; either version 2.1 of the License, or (at your option)
+ * any later version.
+ *
+ * This software is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this software; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA, or see the FSF
+ * site: http://www.fsf.org.
+ */
+package org.zanata.ui;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.testng.annotations.Test;
+import org.zanata.common.LocaleId;
+import org.zanata.model.HLocale;
+import org.zanata.model.HPerson;
+
+import com.google.common.collect.Lists;
+
+import java.util.List;
+
+/**
+ * @author Carlos Munoz <a
+ *         href="mailto:camunoz@redhat.com">camunoz@redhat.com</a>
+ */
+@Test
+public class FilterUtilTest {
+
+    private static final List<HLocale> ALL_LOCALES = Lists.newArrayList(
+            new HLocale(
+                    LocaleId.DE), new HLocale(LocaleId.EN), new HLocale(
+                    LocaleId.FR));
+
+    @Test
+    public void filterOutEmptyPersonList() throws Exception {
+        assertThat(
+                FilterUtil.filterOutPersonList(Lists.<HPerson> newArrayList(),
+                        Lists.<HPerson> newArrayList())).isEmpty();
+    }
+
+    @Test
+    public void filterOutSamePersonList() throws Exception {
+        HPerson person1 = new HPerson();
+        HPerson person2 = new HPerson();
+        HPerson person3 = new HPerson();
+        List<HPerson> all = Lists.newArrayList(person1, person2, person3);
+        List<HPerson> filter = Lists.newArrayList(person1, person2, person3);
+
+        assertThat(
+                FilterUtil.filterOutPersonList(all, filter)).isEmpty();
+    }
+
+    @Test
+    public void localeNotIncluded() throws Exception {
+        assertThat(
+                FilterUtil.isIncludeLocale(ALL_LOCALES,
+                        new HLocale(LocaleId.EN), null)).isFalse();
+    }
+}