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* as indicated by the @author tags. See the copyright.txt file in the
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*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
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*
* This software is distributed in the hope that it will be useful,
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.connector.subsystems.datasources;

import static org.jboss.as.connector.subsystems.datasources.Constants.CONNECTION_LISTENER_CLASS;
import static org.jboss.as.connector.subsystems.datasources.Constants.CONNECTION_LISTENER_PROPERTIES;
import static org.jboss.as.connector.subsystems.datasources.Constants.URL_DELIMITER;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.jboss.as.connector.logging.ConnectorLogger;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.ModelVersion;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.operations.common.Util;
import org.jboss.as.controller.transform.OperationTransformer.TransformedOperation;
import org.jboss.as.model.test.FailedOperationTransformationConfig;
import org.jboss.as.model.test.FailedOperationTransformationConfig.AttributesPathAddressConfig;
import org.jboss.as.model.test.FailedOperationTransformationConfig.ChainedConfig;
import org.jboss.as.model.test.ModelTestControllerVersion;
import org.jboss.as.model.test.ModelTestUtils;
import org.jboss.as.model.test.SingleClassFilter;
import org.jboss.as.subsystem.test.AbstractSubsystemBaseTest;
import org.jboss.as.subsystem.test.AdditionalInitialization;
import org.jboss.as.subsystem.test.KernelServices;
import org.jboss.as.subsystem.test.KernelServicesBuilder;
import org.jboss.as.subsystem.test.LegacyKernelServicesInitializer;
import org.jboss.dmr.ModelNode;
import org.junit.Assert;
import org.junit.Ignore;
import org.junit.Test;


/**
 * @author <a href="kabir.khan@jboss.com">Kabir Khan</a>
 * @author <a href="stefano.maestri@redhat.com>Stefano Maestri</a>
 */
public class DatasourcesSubsystemTestCase extends AbstractSubsystemBaseTest {

    static final AttributeDefinition[] ALL_DS_ATTRIBUTES_REJECTED_1_1_0  = new AttributeDefinition[Constants.DATASOURCE_PROPERTIES_ATTRIBUTES.length + 2];
    static {
        System.arraycopy(Constants.DATASOURCE_PROPERTIES_ATTRIBUTES, 0, ALL_DS_ATTRIBUTES_REJECTED_1_1_0, 0, Constants.DATASOURCE_PROPERTIES_ATTRIBUTES.length);
        ALL_DS_ATTRIBUTES_REJECTED_1_1_0[Constants.DATASOURCE_PROPERTIES_ATTRIBUTES.length] = Constants.CONNECTABLE;
        ALL_DS_ATTRIBUTES_REJECTED_1_1_0[Constants.DATASOURCE_PROPERTIES_ATTRIBUTES.length + 1] = Constants.STATISTICS_ENABLED;
    }

    public DatasourcesSubsystemTestCase() {
        super(DataSourcesExtension.SUBSYSTEM_NAME, new DataSourcesExtension());
    }

    @Override
    protected String getSubsystemXml() throws IOException {
        //test configuration put in standalone.xml
        return readResource("datasources-minimal.xml");
    }

    @Override
    protected String getSubsystemXsdPath() throws Exception {
        return "schema/wildfly-datasources_3_0.xsd";
    }

    @Override
    protected String[] getSubsystemTemplatePaths() throws IOException {
        return new String[] {
                "/subsystem-templates/datasources.xml"
        };
    }

    @Test
    public void testFullConfig() throws Exception {
        standardSubsystemTest("datasources-full.xml");
    }

    @Test
    public void testExpressionConfig() throws Exception {
        standardSubsystemTest("datasources-full-expression.xml", "datasources-full.xml");
    }

    protected AdditionalInitialization createAdditionalInitialization() {
        return AdditionalInitialization.MANAGEMENT;
    }

    @Test
    public void testTransformerAS712() throws Exception {
        testRejectTransformers1_1_0("datasources-full110.xml", ModelTestControllerVersion.V7_1_2_FINAL);
    }

    @Test
    public void testTransformerAS713() throws Exception {
        testRejectTransformers1_1_0("datasources-full110.xml", ModelTestControllerVersion.V7_1_3_FINAL);
    }

    @Test
    public void testTransformerAS720() throws Exception {
        testTransformer("datasources-full-no-tracking.xml", ModelTestControllerVersion.V7_2_0_FINAL, ModelVersion.create(1, 1, 1));
    }

    @Test
    public void testTransformerExpressionAS720() throws Exception {
        testTransformer("datasources-full-expression111.xml", ModelTestControllerVersion.V7_2_0_FINAL, ModelVersion.create(1, 1, 1));
    }

    @Test @Ignore("The improved model validation breaks this test. We no longer worry about transformation to 7.2.0, so I (Kabir) am @Ignoring it rather than trying to fix")
    public void testTransformerRejectingAS720() throws Exception {
        testRejectTransformers1_1_1("wildfly-datasources_2_0.xml", ModelTestControllerVersion.V7_2_0_FINAL);
    }

    @Test
    public void tesExpressionsAS712() throws Exception {
        //this file contain expression for all supported fields except reauth-plugin-properties, exception-sorter-properties,
        // stale-connection-checker-properties, valid-connection-checker-properties, recovery-plugin-properties
        // for a limitation in test suite not permitting to have expression in type LIST or OBJECT for legacyServices
        testRejectTransformers1_1_0("datasources-full-expression110.xml", ModelTestControllerVersion.V7_1_2_FINAL);
    }

    @Test
    public void testExpressionsAS713() throws Exception {
        //this file contain expression for all supported fields except reauth-plugin-properties, exception-sorter-properties,
        // stale-connection-checker-properties, valid-connection-checker-properties, recovery-plugin-properties
        // for a limitation in test suite not permitting to have expression in type LIST or OBJECT for legacyServices
        testRejectTransformers1_1_0("datasources-full-expression110.xml", ModelTestControllerVersion.V7_1_3_FINAL);
    }

    @Test
        public void testTransformerWF8() throws Exception {
            testTransformer("datasources-full-no-tracking.xml", ModelTestControllerVersion.WILDFLY_8_0_0_FINAL, ModelVersion.create(2, 0, 0));
        }




    /**
     * Tests transformation of model from latest version into one passed into modelVersion parameter.
     *
     * @throws Exception
     */
    private void testTransformer(String subsystemXml, ModelTestControllerVersion controllerVersion, final ModelVersion modelVersion) throws Exception {
        //Use the non-runtime version of the extension which will happen on the HC
        KernelServicesBuilder builder = createKernelServicesBuilder(AdditionalInitialization.MANAGEMENT);


        // Add legacy subsystems
        LegacyKernelServicesInitializer initializer =builder.createLegacyKernelServicesBuilder(null, controllerVersion, modelVersion);
        if (controllerVersion.equals(ModelTestControllerVersion.WILDFLY_8_0_0_FINAL)) {
            initializer.addMavenResourceURL("org.wildfly:wildfly-connector:" + controllerVersion.getMavenGavVersion());
        } else {
            initializer.addMavenResourceURL("org.jboss.as:jboss-as-connector:" + controllerVersion.getMavenGavVersion());
        }
        initializer.addMavenResourceURL("org.jboss.ironjacamar:ironjacamar-spec-api:1.1.4.Final")
                .addMavenResourceURL("org.jboss.ironjacamar:ironjacamar-common-api:1.1.4.Final")

                .setExtensionClassName("org.jboss.as.connector.subsystems.datasources.DataSourcesExtension")
                .excludeFromParent(SingleClassFilter.createFilter(ConnectorLogger.class));

        KernelServices mainServices = builder.build();
        Assert.assertTrue(mainServices.isSuccessfulBoot());
        KernelServices legacyServices = mainServices.getLegacyServices(modelVersion);
        Assert.assertTrue(legacyServices.isSuccessfulBoot());
        Assert.assertNotNull(legacyServices);
        List<ModelNode> ops = builder.parseXmlResource(subsystemXml);
        PathAddress subsystemAddress = PathAddress.pathAddress(DataSourcesSubsystemRootDefinition.PATH_SUBSYSTEM);

        ModelTestUtils.checkFailedTransformedBootOperations(mainServices, modelVersion, ops, new FailedOperationTransformationConfig()
                        .addFailedAttribute(subsystemAddress.append(DataSourceDefinition.PATH_DATASOURCE), FAILED_TRANSFORMER_2_0_0)
                        .addFailedAttribute(subsystemAddress.append(XaDataSourceDefinition.PATH_XA_DATASOURCE), FAILED_TRANSFORMER_2_0_0)
        );
    }


    public void testRejectTransformers1_1_0(String subsystemXml, ModelTestControllerVersion controllerVersion) throws Exception {
        ModelVersion modelVersion = ModelVersion.create(1, 1, 0); //The old model version
        //Use the non-runtime version of the extension which will happen on the HC
        KernelServicesBuilder builder = createKernelServicesBuilder(AdditionalInitialization.MANAGEMENT);

        // Add legacy subsystems
        builder.createLegacyKernelServicesBuilder(null, controllerVersion, modelVersion)
                .addMavenResourceURL("org.jboss.as:jboss-as-connector:" + controllerVersion.getMavenGavVersion())
                .addMavenResourceURL("org.jboss.ironjacamar:ironjacamar-spec-api:1.1.4.Final")
                .addMavenResourceURL("org.jboss.ironjacamar:ironjacamar-common-api:1.1.4.Final")
                .setExtensionClassName("org.jboss.as.connector.subsystems.datasources.DataSourcesExtension")
                .excludeFromParent(SingleClassFilter.createFilter(ConnectorLogger.class));

        KernelServices mainServices = builder.build();
        assertTrue(mainServices.isSuccessfulBoot());
        KernelServices legacyServices = mainServices.getLegacyServices(modelVersion);
        assertNotNull(legacyServices);
        assertTrue(legacyServices.isSuccessfulBoot());

        List<ModelNode> ops = builder.parseXmlResource(subsystemXml);
        PathAddress subsystemAddress = PathAddress.pathAddress(DataSourcesSubsystemRootDefinition.PATH_SUBSYSTEM);
        ModelTestUtils.checkFailedTransformedBootOperations(mainServices, modelVersion, ops, new FailedOperationTransformationConfig()
                .addFailedAttribute(subsystemAddress.append(JdbcDriverDefinition.PATH_DRIVER),
                        new FailedOperationTransformationConfig.RejectExpressionsConfig(Constants.DRIVER_MINOR_VERSION, Constants.DRIVER_MAJOR_VERSION) {
                            @Override
                            protected boolean isAttributeWritable(String attributeName) {
                                return false;
                            }
                        })
                .addFailedAttribute(subsystemAddress.append(DataSourceDefinition.PATH_DATASOURCE), FAILED_TRANSFORMER_1_1_0)
                .addFailedAttribute(subsystemAddress.append(XaDataSourceDefinition.PATH_XA_DATASOURCE), FAILED_TRANSFORMER_1_1_0)
        );

        checkCanEnableAndDisable(mainServices, modelVersion,
                PathAddress.pathAddress(subsystemAddress.append(DataSourceDefinition.PATH_DATASOURCE)),
                PathAddress.pathAddress(subsystemAddress.append(XaDataSourceDefinition.PATH_XA_DATASOURCE)));
    }

    public void testRejectTransformers1_1_1(String subsystemXml, ModelTestControllerVersion controllerVersion) throws Exception {
            ModelVersion modelVersion = ModelVersion.create(1, 1, 1); //The old model version
            //Use the non-runtime version of the extension which will happen on the HC
            KernelServicesBuilder builder = createKernelServicesBuilder(AdditionalInitialization.MANAGEMENT);

            // Add legacy subsystems
            builder.createLegacyKernelServicesBuilder(null, controllerVersion, modelVersion)
                    .addMavenResourceURL("org.jboss.as:jboss-as-connector:" + controllerVersion.getMavenGavVersion())
                    .addMavenResourceURL("org.jboss.ironjacamar:ironjacamar-spec-api:1.1.4.Final")
                    .addMavenResourceURL("org.jboss.ironjacamar:ironjacamar-common-api:1.1.4.Final")
                    .setExtensionClassName("org.jboss.as.connector.subsystems.datasources.DataSourcesExtension")
                    .excludeFromParent(SingleClassFilter.createFilter(ConnectorLogger.class))
            .skipReverseControllerCheck();

            KernelServices mainServices = builder.build();
            assertTrue(mainServices.isSuccessfulBoot());
            KernelServices legacyServices = mainServices.getLegacyServices(modelVersion);
            assertNotNull(legacyServices);
            assertTrue(legacyServices.isSuccessfulBoot());

            List<ModelNode> ops = builder.parseXmlResource(subsystemXml);
        PathAddress subsystemAddress = PathAddress.pathAddress(DataSourcesSubsystemRootDefinition.PATH_SUBSYSTEM);
        ModelTestUtils.checkFailedTransformedBootOperations(mainServices, modelVersion, ops, new FailedOperationTransformationConfig()
                .addFailedAttribute(subsystemAddress.append(DataSourceDefinition.PATH_DATASOURCE),FAILED_TRANSFORMER_1_1_1)
                .addFailedAttribute(subsystemAddress.append(XaDataSourceDefinition.PATH_XA_DATASOURCE), FAILED_TRANSFORMER_1_1_1)
        );

        checkCanEnableAndDisable(mainServices, modelVersion,
                PathAddress.pathAddress(subsystemAddress.append(DataSourceDefinition.PATH_DATASOURCE)),
                PathAddress.pathAddress(subsystemAddress.append(XaDataSourceDefinition.PATH_XA_DATASOURCE)));
    }


    private static FailedOperationTransformationConfig.ChainedConfig FAILED_TRANSFORMER_1_1_0 =
            FailedOperationTransformationConfig.ChainedConfig.createBuilder(ALL_DS_ATTRIBUTES_REJECTED_1_1_0)
            .addConfig(new FailedOperationTransformationConfig.RejectExpressionsConfig(Constants.DATASOURCE_PROPERTIES_ATTRIBUTES))
            .addConfig(new SetToTrue(Constants.STATISTICS_ENABLED))
            .build();

    private static FailedOperationTransformationConfig.ChainedConfig FAILED_TRANSFORMER_2_0_0 =
                FailedOperationTransformationConfig.ChainedConfig.createBuilder(Constants.TRACKING)
                .addConfig(new SetToTrue(Constants.STATISTICS_ENABLED))
                .build();

    private static class NonWritableChainedConfig extends FailedOperationTransformationConfig.ChainedConfig {

        public NonWritableChainedConfig(List<AttributesPathAddressConfig<?>> configs, String[] attributes) {
            // FIXME NonWritableChainedConfig constructor
            super(configs, attributes);
        }

        public static Builder createBuilder(final String...attributes) {
            return new Builder() {
                ArrayList<AttributesPathAddressConfig<?>> list = new ArrayList<FailedOperationTransformationConfig.AttributesPathAddressConfig<?>>();
                @Override
                public ChainedConfig build() {
                    return new NonWritableChainedConfig(list, attributes);
                }

                @Override
                public Builder addConfig(AttributesPathAddressConfig<?> cfg) {
                    list.add(cfg);
                    return this;
                }
            };
        }

        @Override
        protected boolean isAttributeWritable(String attributeName) {
            //TODO use the same old behaviour of not writable attributes (this is actually due to missing functionality in ChainedConfig)
            return false;
        }
    }


    private void checkCanEnableAndDisable(KernelServices services, ModelVersion modelVersion, PathAddress...pathAddresses) throws OperationFailedException {
        final ModelNode success = new ModelNode();
        success.get(ModelDescriptionConstants.OUTCOME).set(ModelDescriptionConstants.SUCCESS);
        success.get(ModelDescriptionConstants.RESULT);
        success.protect();

        for (PathAddress address : pathAddresses) {
            ModelNode enable = Util.createEmptyOperation("enable", address);
            TransformedOperation transformedEnable = services.transformOperation(modelVersion, enable);
            Assert.assertNotNull(transformedEnable.getTransformedOperation());
            Assert.assertFalse(transformedEnable.getFailureDescription(), transformedEnable.rejectOperation(success));

            ModelNode disable = Util.createEmptyOperation("disable", address);
            TransformedOperation transformedDisable = services.transformOperation(modelVersion, disable);
            Assert.assertNotNull(transformedDisable.getTransformedOperation());
            Assert.assertFalse(transformedDisable.getFailureDescription(), transformedDisable.rejectOperation(success));
        }

    }

    private static FailedOperationTransformationConfig.ChainedConfig FAILED_TRANSFORMER_1_1_1 = NonWritableChainedConfig.createBuilder(
                                org.jboss.as.connector.subsystems.common.pool.Constants.INITIAL_POOL_SIZE.getName(),
                                URL_DELIMITER.getName(), CONNECTION_LISTENER_CLASS.getName(), CONNECTION_LISTENER_PROPERTIES.getName(),
                                org.jboss.as.connector.subsystems.common.pool.Constants.CAPACITY_INCREMENTER_CLASS.getName(),
                                org.jboss.as.connector.subsystems.common.pool.Constants.CAPACITY_DECREMENTER_CLASS.getName(),
                                org.jboss.as.connector.subsystems.common.pool.Constants.CAPACITY_INCREMENTER_PROPERTIES.getName(),
                        org.jboss.as.connector.subsystems.common.pool.Constants.CAPACITY_DECREMENTER_PROPERTIES.getName(), Constants.CONNECTABLE.getName()  )
                        .addConfig(new FailedOperationTransformationConfig.AttributesPathAddressConfig(org.jboss.as.connector.subsystems.common.pool.Constants.INITIAL_POOL_SIZE.getName(),
                                URL_DELIMITER.getName(), CONNECTION_LISTENER_CLASS.getName(), CONNECTION_LISTENER_PROPERTIES.getName(),
                                org.jboss.as.connector.subsystems.common.pool.Constants.CAPACITY_INCREMENTER_CLASS.getName(), org.jboss.as.connector.subsystems.common.pool.Constants.CAPACITY_DECREMENTER_CLASS.getName(),
                                org.jboss.as.connector.subsystems.common.pool.Constants.CAPACITY_INCREMENTER_PROPERTIES.getName(),
                                org.jboss.as.connector.subsystems.common.pool.Constants.CAPACITY_DECREMENTER_PROPERTIES.getName(), Constants.TRACKING.getName()
                        ) {

                            @Override
                            protected boolean isAttributeWritable(String attributeName) {
                                return false;
                            }

                            @Override
                            protected boolean checkValue(String attrName, ModelNode attribute, boolean isWriteAttribute) {
                                if (attribute.isDefined()) {
                                    return true;
                                } else {
                                    return false;
                                }
                            }

                            @Override
                            protected ModelNode correctValue(ModelNode toResolve, boolean isWriteAttribute) {
                                return new ModelNode();
                            }
                        })
                        .addConfig(new RejectExpressionsAndSetToTrue(Constants.CONNECTABLE))
                        .addConfig(new SetToTrue(Constants.STATISTICS_ENABLED))
                        .build();

    private static class RejectExpressionsAndSetToTrue extends FailedOperationTransformationConfig.RejectExpressionsConfig {

        public RejectExpressionsAndSetToTrue(AttributeDefinition... attributes) {
            // FIXME RejectExpressionsAndSetToTrue constructor
            super(attributes);
        }

        public RejectExpressionsAndSetToTrue(String... attributes) {
            // FIXME RejectExpressionsAndSetToTrue constructor
            super(attributes);
        }

        @Override
        protected boolean checkValue(String attrName, ModelNode attribute, boolean isWriteAttribute) {
            if (super.checkValue(attrName, attribute, isWriteAttribute)) {
                return true;
            }
            return attribute.asBoolean();
        }

        @Override
        protected ModelNode correctValue(ModelNode toResolve, boolean isWriteAttribute) {
            return new ModelNode(false);
        }
    }

    private static class SetToTrue extends FailedOperationTransformationConfig.AttributesPathAddressConfig<SetToTrue> {
        public SetToTrue(AttributeDefinition... attributes) {
            super(convert(attributes));
        }

        public SetToTrue(String... attributes) {
            super(attributes);
        }

        @Override
        protected boolean checkValue(String attrName, ModelNode attribute, boolean isWriteAttribute) {
            //Fix if undefined or false
            return !attribute.isDefined() || !attribute.asBoolean();
        }

        @Override
        protected ModelNode correctValue(ModelNode toResolve, boolean isWriteAttribute) {
            return new ModelNode(true);
        }

        @Override
        protected boolean isAttributeWritable(String attributeName) {
            return true;
        }
    }
}
