Add CachingViewLoaderTests

src/test/java/viewfx/view/support/CachingViewLoaderTests.java

@@ -0,0 +1,53 @@
+/*
+ * This file is part of Bitsquare.
+ *
+ * Bitsquare is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bitsquare 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 Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bitsquare. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package viewfx.view.support;
+
+import viewfx.view.ViewLoader;
+
+import org.junit.Test;
+
+import static org.mockito.BDDMockito.then;
+import static org.mockito.Mockito.*;
+
+public class CachingViewLoaderTests {
+
+    @Test
+    public void test() {
+        ViewLoader delegateViewLoader = mock(ViewLoader.class);
+
+        ViewLoader cachingViewLoader = new CachingViewLoader(delegateViewLoader);
+
+        cachingViewLoader.load(TestView1.class);
+        cachingViewLoader.load(TestView1.class);
+        cachingViewLoader.load(TestView2.class);
+
+        then(delegateViewLoader).should(times(1)).load(TestView1.class);
+        then(delegateViewLoader).should(times(1)).load(TestView2.class);
+        then(delegateViewLoader).should(times(0)).load(TestView3.class);
+    }
+
+
+    static class TestView1 extends AbstractView {
+    }
+
+    static class TestView2 extends AbstractView {
+    }
+
+    static class TestView3 extends AbstractView {
+    }
+}