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/*-
 * ============LICENSE_START=======================================================
 * ONAP-PAP-REST
 * ================================================================================
 * Copyright (C) 2018-2019 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Modifications Copyright (C) 2019 Samsung
 * ================================================================================
 * 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.policy.pap.xacml.rest.components;

import static org.assertj.core.api.Assertions.assertThatCode;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

import com.att.research.xacml.api.pap.PAPException;
import java.io.IOException;
import java.nio.charset.Charset;
import java.util.HashMap;
import java.util.Map;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.mockito.Mockito;
import org.onap.policy.rest.adapter.PolicyRestAdapter;
import org.onap.policy.rest.dao.CommonClassDao;

public class BRMSPolicyTest {
    @Rule
    public ExpectedException thrown = ExpectedException.none();

    @Test
    public void testConstructor1() {
        CreateBRMSRuleTemplate template = new CreateBRMSRuleTemplate();
        assertNotNull(template);
    }

    @Test
    public void testConstructor2() {
        CommonClassDao commonClassDao = null;
        CreateBRMSRuleTemplate template = new CreateBRMSRuleTemplate(commonClassDao);
        assertNotNull(template);
    }

    @Test
    public void testReadFile() throws IOException {
        String goodRule = "declare Params\nparam1 : int\nend\n";
        String badRule = "declare Params\nparam1+ : int\nend\n";
        assertEquals(CreateBRMSRuleTemplate.validateRuleParams(goodRule), true);
        assertEquals(CreateBRMSRuleTemplate.validateRuleParams(badRule), false);
    }

    @Test
    public void testAdd() {
        CommonClassDao dao = Mockito.mock(CommonClassDao.class);
        CreateBRMSRuleTemplate template = new CreateBRMSRuleTemplate(dao);
        String rule = "package foo\n";
        String ruleName = "testName";
        String description = "testDesc";
        String userID = "testID";
        assertEquals(1, template.addRule(rule, ruleName, description, userID).size());
    }

    @Test
    public void testCreateBrmsParamPolicyAdapter() throws PAPException {
        Map<String, String> brmsParamBody = new HashMap<String, String>();
        brmsParamBody.put("key", "value");

        PolicyRestAdapter adapter = new PolicyRestAdapter();
        adapter.setHighestVersion(1);
        adapter.setPolicyType("Config");
        adapter.setBrmsParamBody(brmsParamBody);
        adapter.setNewFileName("policyName.1.xml");
        Map<String, String> dynamicFieldConfigAttributes = new HashMap<String, String>();
        dynamicFieldConfigAttributes.put("key", "value");
        adapter.setDynamicFieldConfigAttributes(dynamicFieldConfigAttributes);
        CreateBrmsParamPolicy policy = new CreateBrmsParamPolicy(adapter);
        String ruleContents = "contents";

        assertThatCode(() -> policy.saveConfigurations("name.xml", "rules")).doesNotThrowAnyException();
        try {
            policy.prepareToSave();
            policy.savePolicies();
        } catch (Exception ex) {
            // Ignore
        }

        assertThatThrownBy(() -> policy.expandConfigBody(ruleContents, brmsParamBody))
            .isInstanceOf(NullPointerException.class);
        assertTrue(policy.validateConfigForm());
        policy.getAdviceExpressions(1, "name.1.xml");
        assertNotNull(policy.getCorrectPolicyDataObject());
    }

    @Test
    public void testRead() {
        Charset encoding = Charset.defaultCharset();
        assertThatCode(() -> CreateBrmsParamPolicy.readFile("xacml.pap.properties", encoding))
            .doesNotThrowAnyException();
    }
}