org.kordamp.javatrove.example02.impl.GithubImplTest.java Source code

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Here is the source code for org.kordamp.javatrove.example02.impl.GithubImplTest.java

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/*
 * Copyright 2016-2017 Andres Almiray
 *
 * This file is part of Java Trove Examples
 *
 * Java Trove Examples 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.
 *
 * Java Trove Examples 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 Java Trove Examples. If not, see <http://www.gnu.org/licenses/>.
 */
package org.kordamp.javatrove.example02.impl;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.github.tomakehurst.wiremock.junit.WireMockRule;
import org.jdeferred.Promise;
import org.jukito.JukitoRunner;
import org.jukito.UseModules;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.kordamp.javatrove.example02.AppModule;
import org.kordamp.javatrove.example02.model.Repository;
import org.kordamp.javatrove.example02.service.Github;
import org.kordamp.javatrove.example02.service.GithubAPI;

import javax.inject.Inject;
import java.util.Collection;
import java.util.List;

import static com.github.tomakehurst.wiremock.client.WireMock.aResponse;
import static com.github.tomakehurst.wiremock.client.WireMock.get;
import static com.github.tomakehurst.wiremock.client.WireMock.getRequestedFor;
import static com.github.tomakehurst.wiremock.client.WireMock.stubFor;
import static com.github.tomakehurst.wiremock.client.WireMock.urlEqualTo;
import static com.github.tomakehurst.wiremock.client.WireMock.verify;
import static com.google.inject.name.Names.named;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.awaitility.Awaitility.await;
import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertThat;
import static org.kordamp.javatrove.example02.TestHelper.createSampleRepositories;
import static org.kordamp.javatrove.example02.TestHelper.repositoriesAsJSON;

/**
 * @author Andres Almiray
 */
@RunWith(JukitoRunner.class)
@UseModules({ GithubImplTest.AppTestModule.class })
public class GithubImplTest {
    private static final String ORGANIZATION = "foo";

    @Rule
    public WireMockRule wireMockRule = new WireMockRule(8080);

    @Inject
    private ObjectMapper objectMapper;
    @Inject
    private Github github;

    @Test
    public void happyPath() throws Exception {
        // given:
        String nextUrl = "/organizations/1/repos?page=2";
        List<Repository> repositories = createSampleRepositories();
        stubFor(get(urlEqualTo("/orgs/" + ORGANIZATION + "/repos"))
                .willReturn(aResponse().withStatus(200).withHeader("Content-Type", "text/json")
                        .withHeader("Link", "<http://localhost:8080" + nextUrl + ">; rel=\"next\"")
                        .withBody(repositoriesAsJSON(repositories.subList(0, 5), objectMapper))));
        stubFor(get(urlEqualTo(nextUrl))
                .willReturn(aResponse().withStatus(200).withHeader("Content-Type", "text/json")
                        .withBody(repositoriesAsJSON(repositories.subList(5, 8), objectMapper))));

        // when:
        Promise<Collection<Repository>, Throwable, Repository> promise = github.repositories(ORGANIZATION, 8);
        await().timeout(2, SECONDS).until(promise::state, equalTo(Promise.State.RESOLVED));

        // then:
        promise.done(result -> assertThat(result, equalTo(repositories.subList(0, 8))));
        verify(getRequestedFor(urlEqualTo("/orgs/" + ORGANIZATION + "/repos")));
    }

    @Test
    public void failurePath() {
        // given:
        String nextUrl = "/organizations/1/repos?page=2";
        stubFor(get(urlEqualTo("/orgs/" + ORGANIZATION + "/repos"))
                .willReturn(aResponse().withStatus(200).withHeader("Content-Type", "text/json")
                        .withHeader("Link", "<http://localhost:8080" + nextUrl + ">; rel=\"next\"")
                        .withBody(repositoriesAsJSON(createSampleRepositories().subList(0, 5), objectMapper))));
        stubFor(get(urlEqualTo(nextUrl))
                .willReturn(aResponse().withStatus(500).withStatusMessage("Internal Error")));

        // when:
        Promise<Collection<Repository>, Throwable, Repository> promise = github.repositories(ORGANIZATION, 5);
        await().timeout(2, SECONDS).until(promise::state, equalTo(Promise.State.REJECTED));

        // then:
        promise.fail(throwable -> assertThat(throwable.getMessage(), equalTo("Internal Error")));
        verify(getRequestedFor(urlEqualTo("/orgs/" + ORGANIZATION + "/repos")));
    }

    public static class AppTestModule extends AppModule {
        @Override
        protected void bindGithubApiUrl() {
            bindConstant().annotatedWith(named(GithubAPI.GITHUB_API_URL_KEY)).to("http://localhost:8080");
        }
    }
}