PrefixAddingModelProcessorTest.java example

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graylog2-server-master
/**
 * This file is part of Graylog.
 *
 * Graylog is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Graylog is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Graylog.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.graylog2.jersey;

import com.google.common.collect.ImmutableMap;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.server.model.Resource;
import org.glassfish.jersey.server.model.ResourceModel;
import org.junit.Test;

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import java.util.Locale;
import java.util.Map;

import static org.assertj.core.api.Assertions.assertThat;

public class PrefixAddingModelProcessorTest {
    private static final String PACKAGE_NAME = "org.graylog2.jersey";

    @Test
    public void processResourceModelAddsPrefixToResourceClassInCorrectPackage() throws Exception {
        final ImmutableMap<String, String> packagePrefixes = ImmutableMap.of(PACKAGE_NAME, "/test/prefix");
        final PrefixAddingModelProcessor modelProcessor = new PrefixAddingModelProcessor(packagePrefixes);
        final ResourceModel originalResourceModel = new ResourceModel.Builder(false)
                .addResource(Resource.from(TestResource.class)).build();

        final ResourceModel resourceModel = modelProcessor.processResourceModel(originalResourceModel, new ResourceConfig());

        assertThat(resourceModel.getResources()).hasSize(1);

        final Resource resource = resourceModel.getResources().get(0);
        assertThat(resource.getPath()).isEqualTo("/test/prefix/foobar/{test}");
    }

    @Test
    public void processResourceModelAddsPrefixToResourceClassInCorrectSubPackage() throws Exception {
        final ImmutableMap<String, String> packagePrefixes = ImmutableMap.of(
                "org", "/generic",
                "org.graylog2", "/test/prefix",
                "org.graylog2.wrong", "/wrong"
        );
        final PrefixAddingModelProcessor modelProcessor = new PrefixAddingModelProcessor(packagePrefixes);
        final ResourceModel originalResourceModel = new ResourceModel.Builder(false)
                .addResource(Resource.from(TestResource.class)).build();

        final ResourceModel resourceModel = modelProcessor.processResourceModel(originalResourceModel, new ResourceConfig());

        assertThat(resourceModel.getResources()).hasSize(1);

        final Resource resource = resourceModel.getResources().get(0);
        assertThat(resource.getPath()).isEqualTo("/test/prefix/foobar/{test}");
    }

    @Test
    public void processResourceModelDoesNotAddPrefixToResourceClassInOtherPackage() throws Exception {
        final ImmutableMap<String, String> packagePrefixes = ImmutableMap.of("org.example", "/test/prefix");
        final PrefixAddingModelProcessor modelProcessor = new PrefixAddingModelProcessor(packagePrefixes);
        final ResourceModel originalResourceModel = new ResourceModel.Builder(false)
                .addResource(Resource.from(TestResource.class)).build();

        final ResourceModel resourceModel = modelProcessor.processResourceModel(originalResourceModel, new ResourceConfig());

        assertThat(resourceModel.getResources()).hasSize(1);

        final Resource resource = resourceModel.getResources().get(0);
        assertThat(resource.getPath()).isEqualTo("/foobar/{test}");
    }

    @Test
    public void processSubResourceDoesNothing() throws Exception {
        final Map<String, String> packagePrefixes = ImmutableMap.of(PACKAGE_NAME, "/test/prefix");
        final PrefixAddingModelProcessor modelProcessor = new PrefixAddingModelProcessor(packagePrefixes);
        final ResourceModel originalResourceModel = new ResourceModel.Builder(false)
                .addResource(Resource.from(TestResource.class)).build();

        final ResourceModel resourceModel = modelProcessor.processSubResource(originalResourceModel, new ResourceConfig());

        assertThat(originalResourceModel).isSameAs(resourceModel);
    }

    @Path("/foobar/{test}")
    private static class TestResource {
        @GET
        public String helloWorld(@PathParam("test") String s) {
            return String.format(Locale.ENGLISH, "Hello, %s!", s);
        }
    }

}