Junits for classes in util package

Change-Id: If1d692b961533722ca72ec13707099858715542b
Issue-ID: DMAAP-1159
Signed-off-by: piotr.karas <piotr.karas@nokia.com>

3 files changed, 114 insertions, 49 deletions

diff --git a/src/test/java/org/onap/dmaap/dbcapi/util/DmaapTimestampTest.java b/src/test/java/org/onap/dmaap/dbcapi/util/DmaapTimestampTest.java
new file mode 100644
index 0000000..33d1d17
--- /dev/null
+++ b/src/test/java/org/onap/dmaap/dbcapi/util/DmaapTimestampTest.java
@@ -0,0 +1,42 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * org.onap.dmaap
+ * ================================================================================
+ * Copyright (C) 2019 Nokia Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.dmaap.dbcapi.util;
+
+import org.junit.Test;
+
+import java.util.Date;
+
+import static org.junit.Assert.assertTrue;
+
+public class DmaapTimestampTest {
+
+    private DmaapTimestamp dmaapTimestamp = new DmaapTimestamp();
+
+    @Test
+    public void mark_shouldUpdateTimestamp() {
+        dmaapTimestamp = new DmaapTimestamp(new Date(10));
+        Date timestamp = dmaapTimestamp.getVal();
+
+        dmaapTimestamp.mark();
+
+        assertTrue(timestamp.before(dmaapTimestamp.getVal()));
+    }
+}
\ No newline at end of file
diff --git a/src/test/java/org/onap/dmaap/dbcapi/util/RandomIntegerTest.java b/src/test/java/org/onap/dmaap/dbcapi/util/RandomIntegerTest.java
index bd5f9cd..1184cdb 100644
--- a/src/test/java/org/onap/dmaap/dbcapi/util/RandomIntegerTest.java
+++ b/src/test/java/org/onap/dmaap/dbcapi/util/RandomIntegerTest.java
@@ -2,14 +2,14 @@
  * ============LICENSE_START=======================================================
  * org.onap.dmaap
  * ================================================================================
- * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019 Nokia Intellectual Property. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -19,59 +19,22 @@
  */
 package org.onap.dmaap.dbcapi.util;
 
-import org.onap.dmaap.dbcapi.model.*;
-import org.onap.dmaap.dbcapi.service.*;
-import org.onap.dmaap.dbcapi.testframework.ReflectionHarness;
-
-import static org.junit.Assert.*;
-
-import org.junit.After;
-import org.junit.Before;
 import org.junit.Test;
-import java.util.*;
-import java.sql.*;
-
-public class RandomIntegerTest {
-
-	private static final String  fmt = "%24s: %s%n";
-
-	ReflectionHarness rh = new ReflectionHarness();
-
-	RandomInteger ri;
-
 
-	@Before
-	public void setUp() throws Exception {
-		ri = new RandomInteger(  12434 );
-	}
+import static org.junit.Assert.assertTrue;
 
-	@After
-	public void tearDown() throws Exception {
-	}
-
-
-	@Test
-	public void test1() {
-
-
-		rh.reflect( "org.onap.dmaap.dbcapi.util.RandomInteger", "get", "" );	
-	
-	}
-
-	@Test
-	public void test2() {
-		String v = "Validate";
-		rh.reflect( "org.onap.dmaap.dbcapi.util.RandomInteger", "set", v );
-
-	}
+public class RandomIntegerTest {
 
-	@Test
-	public void test3() {
-		int i = ri.next();
+    private static final int RANGE = 10;
+    private RandomInteger ri = new RandomInteger(RANGE);
 
-	}
+    @Test
+    public void next_shouldReturnIntegerFromGivenRange() {
 
+        int next = ri.next();
 
+        assertTrue(next >= 0 && next <= RANGE);
+    }
 
 }
 
diff --git a/src/test/java/org/onap/dmaap/dbcapi/util/RandomStringTest.java b/src/test/java/org/onap/dmaap/dbcapi/util/RandomStringTest.java
new file mode 100644
index 0000000..e549dc3
--- /dev/null
+++ b/src/test/java/org/onap/dmaap/dbcapi/util/RandomStringTest.java
@@ -0,0 +1,60 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * org.onap.dmaap
+ * ================================================================================
+ * Copyright (C) 2019 Nokia Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.dmaap.dbcapi.util;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+public class RandomStringTest {
+
+    private static final int LENGTH = 10;
+    @Rule
+    public ExpectedException thrown = ExpectedException.none();
+    private RandomString randomString = new RandomString(LENGTH);
+
+    @Test
+    public void nextString_shouldReturnStringWithGivenLength() {
+
+        String nextString = randomString.nextString();
+
+        assertEquals(LENGTH, nextString.length());
+    }
+
+    @Test
+    public void nextString_shouldReturnAlphanumeric() {
+
+        String nextString = randomString.nextString();
+
+        assertTrue(nextString.matches("[a-z0-9]*"));
+    }
+
+    @Test
+    public void constructor_shouldThrowExceptionForNegativeLength() {
+
+        thrown.expect(IllegalArgumentException.class);
+
+        new RandomString(-1);
+    }
+}
\ No newline at end of file