sample.RestTests.java Source code

Introduction

Here is the source code for sample.RestTests.java

Source

/*
 * Copyright 2014-2017 the original author or authors.
 *
 * 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.
 */

package sample;

import java.util.Arrays;

import org.apache.commons.codec.binary.Base64;
import org.junit.Before;
import org.junit.Test;

import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.HttpClientErrorException;
import org.springframework.web.client.RestTemplate;

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

/**
 * @author Pool Dolorier
 */
public class RestTests {

    private static final String AUTHORIZATION = "Authorization";
    private static final String BASIC = "Basic ";
    private static final String X_AUTH_TOKEN = "X-Auth-Token";

    private RestTemplate restTemplate;

    private String baseUrl;

    @Before
    public void setUp() {
        this.baseUrl = "http://localhost:" + System.getProperty("app.port");
        this.restTemplate = new RestTemplate();
    }

    @Test(expected = HttpClientErrorException.class)
    public void unauthenticatedUserSentToLogInPage() {
        HttpHeaders headers = new HttpHeaders();
        headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON));
        ResponseEntity<String> entity = getForUser(this.baseUrl + "/", headers, String.class);
        assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.UNAUTHORIZED);
    }

    @Test
    public void authenticateWithBasicWorks() {
        String auth = getAuth("user", "password");
        HttpHeaders headers = getHttpHeaders();
        headers.set(AUTHORIZATION, BASIC + auth);
        ResponseEntity<User> entity = getForUser(this.baseUrl + "/", headers, User.class);
        assertThat(entity.getStatusCode()).isEqualTo(HttpStatus.OK);
        assertThat(entity.getHeaders().containsKey(X_AUTH_TOKEN)).isTrue();
        assertThat(entity.getBody().getUsername()).isEqualTo("user");
    }

    @Test
    public void authenticateWithXAuthTokenWorks() {
        String auth = getAuth("user", "password");
        HttpHeaders headers = getHttpHeaders();
        headers.set(AUTHORIZATION, BASIC + auth);
        ResponseEntity<User> entity = getForUser(this.baseUrl + "/", headers, User.class);

        String token = entity.getHeaders().getFirst(X_AUTH_TOKEN);

        HttpHeaders authTokenHeader = new HttpHeaders();
        authTokenHeader.setAccept(Arrays.asList(MediaType.APPLICATION_JSON));
        authTokenHeader.set(X_AUTH_TOKEN, token);
        ResponseEntity<User> authTokenResponse = getForUser(this.baseUrl + "/", authTokenHeader, User.class);
        assertThat(authTokenResponse.getStatusCode()).isEqualTo(HttpStatus.OK);
        assertThat(authTokenResponse.getBody().getUsername()).isEqualTo("user");
    }

    @Test
    public void logout() {
        String auth = getAuth("user", "password");
        HttpHeaders headers = getHttpHeaders();
        headers.set(AUTHORIZATION, BASIC + auth);
        ResponseEntity<User> entity = getForUser(this.baseUrl + "/", headers, User.class);

        String token = entity.getHeaders().getFirst(X_AUTH_TOKEN);

        HttpHeaders logoutHeader = getHttpHeaders();
        logoutHeader.set(X_AUTH_TOKEN, token);
        ResponseEntity<User> logoutResponse = getForUser(this.baseUrl + "/logout", logoutHeader, User.class);
        assertThat(logoutResponse.getStatusCode()).isEqualTo(HttpStatus.NO_CONTENT);
    }

    private <T> ResponseEntity<T> getForUser(String resourceUrl, HttpHeaders headers, Class<T> type) {
        return this.restTemplate.exchange(resourceUrl, HttpMethod.GET, new HttpEntity<T>(headers), type);
    }

    private HttpHeaders getHttpHeaders() {
        HttpHeaders headers = new HttpHeaders();
        headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON));
        return headers;
    }

    private String getAuth(String user, String password) {
        String auth = user + ":" + password;
        return new String(Base64.encodeBase64(auth.getBytes()));
    }
}