Revert "Refactor tests to remove hamcrest dependency"

This reverts commit 5adeeef86bb4de331f84879beffd91633e764bed.

Reason for revert: deleted class is being used in other components

Issue-ID: POLICY-5043
Change-Id: I867b4842826c528444544d84068784843d51684c
Signed-off-by: adheli.tavares <adheli.tavares@est.tech>

2 files changed, 69 insertions, 0 deletions

diff --git a/utils-test/pom.xml b/utils-test/pom.xml
index 78f748a1..a659062b 100644
--- a/utils-test/pom.xml
+++ b/utils-test/pom.xml
@@ -87,5 +87,11 @@
             <artifactId>spring-test</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest-core</artifactId>
+            <version>2.2</version>
+            <scope>compile</scope>
+        </dependency>
     </dependencies>
 </project>
diff --git a/utils-test/src/main/java/org/onap/policy/common/utils/test/ToStringTester.java b/utils-test/src/main/java/org/onap/policy/common/utils/test/ToStringTester.java
new file mode 100644
index 00000000..ab09291c
--- /dev/null
+++ b/utils-test/src/main/java/org/onap/policy/common/utils/test/ToStringTester.java
@@ -0,0 +1,63 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. All rights reserved.
+ *  Modifications Copyright (C) 2018-2021 AT&T Intellectual Property. All rights reserved.
+ *  Modifications Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.utils.test;
+
+import static org.hamcrest.CoreMatchers.anyOf;
+import static org.hamcrest.CoreMatchers.anything;
+
+import com.openpojo.reflection.PojoClass;
+import com.openpojo.validation.affirm.Affirm;
+import com.openpojo.validation.test.Tester;
+import com.openpojo.validation.utils.ValidationHelper;
+import lombok.AllArgsConstructor;
+import org.hamcrest.Matcher;
+
+
+/**
+ * Class to provide toString testing utility for testing pojo classes.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+@AllArgsConstructor
+public class ToStringTester implements Tester {
+
+    private final Matcher<?> matcher;
+
+    public ToStringTester() {
+        matcher = anything();
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public void run(final PojoClass pojoClass) {
+        final Class<?> clazz = pojoClass.getClazz();
+        if (anyOf(matcher).matches(clazz)) {
+            final Object classInstance = ValidationHelper.getBasicInstance(pojoClass);
+
+            Affirm.affirmFalse("Found default toString output",
+                    classInstance.toString().matches(Object.class.getName() + "@" + "\\w+"));
+        }
+
+    }
+
+}