/*-
 * ============LICENSE_START=======================================================
 * ONAP-PAP-REST
 * ================================================================================
 * Copyright (C) 2018-2019 AT&T 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.policy.pap.xacml.rest.components;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.fail;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyString;
import static org.mockito.Mockito.when;

import java.io.File;
import java.util.Collections;

import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.runner.RunWith;
import org.mockito.Mockito;
import org.onap.policy.pap.xacml.rest.daoimpl.CommonClassDaoImpl;
import org.onap.policy.rest.adapter.PolicyRestAdapter;
import org.powermock.api.mockito.PowerMockito;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;

@RunWith(PowerMockRunner.class)
public class OptimizationConfigPolicyTest {
    @Rule
    public ExpectedException thrown = ExpectedException.none();

    @Test
    public void testConstructor1() {
        thrown.expect(NullPointerException.class);
        OptimizationConfigPolicy policy = new OptimizationConfigPolicy();
        policy.getCorrectPolicyDataObject();
        fail("Expected an exception");
    }

    @Test
    public void testConstructor2() {
        PolicyRestAdapter policyAdapter = new PolicyRestAdapter();
        OptimizationConfigPolicy policy = new OptimizationConfigPolicy(policyAdapter);
        assertNull(policy.getCorrectPolicyDataObject());
    }

    @PrepareForTest({OptimizationConfigPolicy.class})
    @Test
    public void testPrepareToSave() throws Exception {
        // Need to mock internal dictionary retrieval
        CommonClassDaoImpl impl = Mockito.mock(CommonClassDaoImpl.class);
        PowerMockito.whenNew(CommonClassDaoImpl.class).withNoArguments().thenReturn(impl);
        when(impl.getDataById(any(), anyString(), anyString())).thenReturn(null);

        PolicyRestAdapter policyAdapter = new PolicyRestAdapter();
        OptimizationConfigPolicy policy = new OptimizationConfigPolicy(policyAdapter);
        policyAdapter.setHighestVersion(1);
        policyAdapter.setPolicyType("Config");
        policyAdapter.setNewFileName("foo.xml");
        policyAdapter.setJsonBody("{ \"version\": \"1.0\"}");
        policyAdapter.setServiceType("foo");
        policy.prepareToSave();
        assertEquals(true, policy.isPreparedToSave());
    }

    @PrepareForTest({CreateNewOptimizationModel.class})
    @Test
    public void testCreateModel() throws Exception {
        // Mock file retrieval
        File testFile = new File("testFile");
        File[] testList = new File[1];
        testList[0] = testFile;
        File impl = Mockito.mock(File.class);
        PowerMockito.whenNew(File.class).withAnyArguments().thenReturn(impl);
        when(impl.listFiles()).thenReturn(testList);
        when(impl.isFile()).thenReturn(true);

        // Mock internal dictionary retrieval
        CommonClassDaoImpl daoImpl = Mockito.mock(CommonClassDaoImpl.class);
        PowerMockito.whenNew(CommonClassDaoImpl.class).withNoArguments().thenReturn(daoImpl);
        when(daoImpl.getDataById(any(), anyString(), anyString())).thenReturn(Collections.emptyList());

        // Test create methods
        String testFileName = "testFile.zip";
        String testVal = "testVal";
        CreateNewOptimizationModel model =
                new CreateNewOptimizationModel(testFileName, testVal, testVal, testVal, testVal);
        model.addValuesToNewModel();
        model.saveImportService();
    }
}