Have unit test for Storage.clean() (#354)

src/test/java/nl/nn/testtool/test/junit/storage/TestStorages.java

@@ -0,0 +1,46 @@
+package nl.nn.testtool.test.junit.storage;
+
+import nl.nn.testtool.storage.Storage;
+import nl.nn.testtool.test.junit.ReportRelatedTestCase;
+import org.junit.Before;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.lang.invoke.MethodHandles;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+public class TestStorages extends ReportRelatedTestCase {
+    private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+    private Storage storage;
+
+    @Before
+    public void setUp() {
+        super.setUp();
+        storage = testTool.getDebugStorage();
+        assertNotNull(storage);
+        try {
+            storage.clear();
+            assertEquals(0, storage.getSize());
+        } catch(Exception e) {
+            log.error("Exception while clearing storage: ", e);
+        }
+    }
+
+    @Test
+    public void testClearStorage() throws Exception {
+        createReport();
+        createReport();
+        assertEquals(2, storage.getSize());
+        storage.clear();
+        assertEquals(0, storage.getSize());
+    }
+
+    private void createReport() {
+        String correlationId = getCorrelationId();
+        testTool.startpoint(correlationId, this.getClass().getTypeName(), reportName, "startmessage");
+        testTool.endpoint(correlationId, this.getClass().getTypeName(), reportName, "endmessage");
+    }
+}