SimpleJavascriptTestCase.java

/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2016 Red Hat, Inc., and individual contributors
 * as indicated by the @author tags.
 *
 * 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 io.undertow.js.test;

import java.io.IOException;
import java.util.Arrays;

import javax.script.ScriptException;

import org.apache.http.HttpResponse;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.message.BasicNameValuePair;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;

import io.undertow.js.InjectionContext;
import io.undertow.js.InjectionProvider;
import io.undertow.js.UndertowJS;
import io.undertow.server.HandlerWrapper;
import io.undertow.server.HttpHandler;
import io.undertow.server.HttpServerExchange;
import io.undertow.server.handlers.resource.ClassPathResourceManager;
import io.undertow.server.handlers.resource.ResourceHandler;
import io.undertow.testutils.DefaultServer;
import io.undertow.testutils.HttpClientUtils;
import io.undertow.testutils.TestHttpClient;
import io.undertow.util.HttpString;
import io.undertow.util.StatusCodes;

/**
 * @author Stuart Douglas
 */
@RunWith(DefaultServer.class)
public class SimpleJavascriptTestCase {

    @BeforeClass
    public static void setup() throws ScriptException, IOException {

        final ClassPathResourceManager res = new ClassPathResourceManager(SimpleJavascriptTestCase.class.getClassLoader(), SimpleJavascriptTestCase.class.getPackage());
        UndertowJS js = UndertowJS.builder()
                .addHandlerWrapper(new HandlerWrapper() {
                    @Override
                    public HttpHandler wrap(final HttpHandler handler) {
                        return new HttpHandler() {
                            @Override
                            public void handleRequest(HttpServerExchange exchange) throws Exception {
                                exchange.getResponseHeaders().add(new HttpString("wrapped-header"), "true");
                                handler.handleRequest(exchange);
                            }
                        };
                    }
                })
                .addInjectionProvider(new TestInjectionProvider())
                .addResources(res, "test.js")
                .setResourceManager(res).build();
        js.start();
        DefaultServer.setRootHandler(js.getHandler(new ResourceHandler(res, new HttpHandler() {
            @Override
            public void handleRequest(HttpServerExchange exchange) throws Exception {
                exchange.getResponseSender().send("Default Response");
            }
        })));
    }

    @Test
    public void testDefaultResponse() throws IOException {
        final TestHttpClient client = new TestHttpClient();
        try {
            HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/foo");
            HttpResponse result = client.execute(get);
            Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
            Assert.assertEquals("Default Response", HttpClientUtils.readResponse(result));
        } finally {
            client.getConnectionManager().shutdown();
        }
    }

    @Test
    public void testResponseSender() throws IOException {
        final TestHttpClient client = new TestHttpClient();
        try {
            HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/testResponseSender");
            HttpResponse result = client.execute(get);
            Assert.assertEquals("true", result.getHeaders("wrapped-header")[0].getValue());
            Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
            Assert.assertEquals("Response Sender", HttpClientUtils.readResponse(result));
        } finally {
            client.getConnectionManager().shutdown();
        }
    }

    @Test
    public void testRequestHeaders() throws IOException, InterruptedException {
        final TestHttpClient client = new TestHttpClient();
        try {
            HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/testRequestHeaders");
            get.setHeader("my-header", "some-header-value");
            HttpResponse result = client.execute(get);
            Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
            Assert.assertEquals("some-header-value", HttpClientUtils.readResponse(result));
        } finally {
            client.getConnectionManager().shutdown();
        }
    }

    @Test
    public void testResponseHeaders() throws IOException {
        final TestHttpClient client = new TestHttpClient();
        try {
            HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/testResponseHeaders");
            HttpResponse result = client.execute(get);
            Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
            Assert.assertEquals("my-header-value", result.getFirstHeader("my-header").getValue());
            HttpClientUtils.readResponse(result);
        } finally {
            client.getConnectionManager().shutdown();
        }
    }

    @Test
    public void testSendRedirect() throws IOException {
        final TestHttpClient client = new TestHttpClient();
        try {
            HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/testSendRedirect");
            HttpResponse result = client.execute(get);
            Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
            Assert.assertEquals("Response Sender", HttpClientUtils.readResponse(result));
        } finally {
            client.getConnectionManager().shutdown();
        }
    }

    @Test
    public void testPredicatedHandlers() throws IOException {
        final TestHttpClient client = new TestHttpClient();
        try {
            HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/testPredicatedHandlers");
            HttpResponse result = client.execute(get);
            Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
            Assert.assertEquals("No match", HttpClientUtils.readResponse(result));

            get = new HttpGet(DefaultServer.getDefaultServerURL() + "/testPredicatedHandlers");
            get.setHeader("my-header", "foo");
            result = client.execute(get);
            Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
            Assert.assertEquals("Foo Header", HttpClientUtils.readResponse(result));
        } finally {
            client.getConnectionManager().shutdown();
        }
    }


    @Test
    public void testParams() throws IOException {
        final TestHttpClient client = new TestHttpClient();
        try {
            HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/testParams/hello");
            HttpResponse result = client.execute(get);
            Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
            Assert.assertEquals("ID hello", HttpClientUtils.readResponse(result));
        } finally {
            client.getConnectionManager().shutdown();
        }
    }

    @Test
    public void testSimpleInjection() throws IOException {
        final TestHttpClient client = new TestHttpClient();
        try {
            HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/testSimpleInjection");
            HttpResponse result = client.execute(get);
            Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
            Assert.assertEquals("INJECTED:my-injection", HttpClientUtils.readResponse(result));
        } finally {
            client.getConnectionManager().shutdown();
        }
    }

    @Test
    public void testEntityInjection() throws IOException {
        final TestHttpClient client = new TestHttpClient();
        try {
            HttpPost post = new HttpPost(DefaultServer.getDefaultServerURL() + "/testEntityInjection");
            post.setEntity(new StringEntity("A simple entity"));
            HttpResponse result = client.execute(post);
            Assert.assertEquals(StatusCodes.CREATED, result.getStatusLine().getStatusCode());
            Assert.assertEquals("A simple entity", HttpClientUtils.readResponse(result));
        } finally {
            client.getConnectionManager().shutdown();
        }
    }

    @Test
    public void testJsonEntity() throws IOException {
        final TestHttpClient client = new TestHttpClient();
        try {
            HttpPost post = new HttpPost(DefaultServer.getDefaultServerURL() + "/testEntityJsonInjection");
            post.setHeader("Content-Type", "text/json");
            post.setEntity(new StringEntity("{\"first\": \"John\", \"last\": \"Doe\"}"));
            HttpResponse result = client.execute(post);
            Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
            Assert.assertEquals("John", HttpClientUtils.readResponse(result));
        } finally {
            client.getConnectionManager().shutdown();
        }
    }


    @Test
    public void testWrapperFunction() throws IOException {
        final TestHttpClient client = new TestHttpClient();
        try {
            HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/testWrapper");
            HttpResponse result = client.execute(get);
            Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
            Assert.assertEquals("wrapper", HttpClientUtils.readResponse(result));
            Assert.assertEquals("INJECTED:my-wrapper", result.getFirstHeader("Wrapper").getValue());
        } finally {
            client.getConnectionManager().shutdown();
        }
    }

    @Test
    public void testCannotDownloadScript() throws IOException {
        final TestHttpClient client = new TestHttpClient();
        try {
            HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/test.js");
            HttpResponse result = client.execute(get);
            Assert.assertEquals(StatusCodes.NOT_FOUND, result.getStatusLine().getStatusCode());
            HttpClientUtils.readResponse(result);
        } finally {
            client.getConnectionManager().shutdown();
        }
    }

    @Test
    public void testFormParsing() throws IOException {
        final TestHttpClient client = new TestHttpClient();
        try {
            HttpPost post = new HttpPost(DefaultServer.getDefaultServerURL() + "/testForm1");
            post.setEntity(new UrlEncodedFormEntity(Arrays.asList(new BasicNameValuePair("key1", "value1"))));
            HttpResponse result = client.execute(post);
            Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
            Assert.assertEquals("{\"key1\":\"value1\"}", HttpClientUtils.readResponse(result));

            post = new HttpPost(DefaultServer.getDefaultServerURL() + "/testForm1");
            post.setEntity(new UrlEncodedFormEntity(Arrays.asList(new BasicNameValuePair("key1", "value1"), new BasicNameValuePair("key1", "value1"))));
            result = client.execute(post);
            Assert.assertEquals(StatusCodes.OK, result.getStatusLine().getStatusCode());
            Assert.assertEquals("{\"key1\":[\"value1\",\"value1\"]}", HttpClientUtils.readResponse(result));
        } finally {
            client.getConnectionManager().shutdown();
        }
    }

    private static final class TestInjectionProvider implements InjectionProvider {

        @Override
        public Object getObject(InjectionContext injectionContext) {
            return "INJECTED:" + injectionContext.getName();
        }

        @Override
        public String getPrefix() {
            return "test";
        }
    }
}