com.google.devtools.build.lib.remote.blobstore.http.HttpUploadHandlerTest.java Source code

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Here is the source code for com.google.devtools.build.lib.remote.blobstore.http.HttpUploadHandlerTest.java

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// Copyright 2018 The Bazel Authors. All rights reserved.
//
// 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 com.google.devtools.build.lib.remote.blobstore.http;

import static com.google.common.truth.Truth.assertThat;

import com.google.common.net.HttpHeaders;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import io.netty.buffer.ByteBufUtil;
import io.netty.channel.ChannelPromise;
import io.netty.channel.embedded.EmbeddedChannel;
import io.netty.handler.codec.http.DefaultFullHttpResponse;
import io.netty.handler.codec.http.FullHttpResponse;
import io.netty.handler.codec.http.HttpChunkedInput;
import io.netty.handler.codec.http.HttpHeaderNames;
import io.netty.handler.codec.http.HttpHeaderValues;
import io.netty.handler.codec.http.HttpMethod;
import io.netty.handler.codec.http.HttpRequest;
import io.netty.handler.codec.http.HttpResponseStatus;
import io.netty.handler.codec.http.HttpVersion;
import java.io.ByteArrayInputStream;
import java.net.URI;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/** Tests for {@link HttpUploadHandler}. */
@RunWith(JUnit4.class)
public class HttpUploadHandlerTest extends AbstractHttpHandlerTest {

    private static final URI CACHE_URI = URI.create("http://storage.googleapis.com:80/cache-bucket");

    /**
     * Test that uploading blobs works to both the Action Cache and the CAS. Also test that the
     * handler is reusable.
     */
    @Test
    public void uploadsShouldWork() throws Exception {
        EmbeddedChannel ch = new EmbeddedChannel(new HttpUploadHandler(null));
        HttpResponseStatus[] statuses = new HttpResponseStatus[] { HttpResponseStatus.OK,
                HttpResponseStatus.CREATED, HttpResponseStatus.ACCEPTED, HttpResponseStatus.NO_CONTENT };

        for (HttpResponseStatus status : statuses) {
            uploadsShouldWork(true, ch, status);
            uploadsShouldWork(false, ch, status);
        }
    }

    private void uploadsShouldWork(boolean casUpload, EmbeddedChannel ch, HttpResponseStatus status)
            throws Exception {
        ByteArrayInputStream data = new ByteArrayInputStream(new byte[] { 1, 2, 3, 4, 5 });
        ChannelPromise writePromise = ch.newPromise();
        ch.writeOneOutbound(new UploadCommand(CACHE_URI, casUpload, "abcdef", data, 5), writePromise);

        HttpRequest request = ch.readOutbound();
        assertThat(request.method()).isEqualTo(HttpMethod.PUT);
        assertThat(request.headers().get(HttpHeaders.CONNECTION)).isEqualTo(HttpHeaderValues.KEEP_ALIVE.toString());

        HttpChunkedInput content = ch.readOutbound();
        assertThat(content.readChunk(ByteBufAllocator.DEFAULT).content().readableBytes()).isEqualTo(5);

        FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, status);
        response.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE);

        ch.writeInbound(response);

        assertThat(writePromise.isDone()).isTrue();
        assertThat(ch.isOpen()).isTrue();
    }

    /** Test that the handler correctly supports http error codes i.e. 404 (NOT FOUND). */
    @Test
    public void httpErrorsAreSupported() {
        EmbeddedChannel ch = new EmbeddedChannel(new HttpUploadHandler(null));
        ByteArrayInputStream data = new ByteArrayInputStream(new byte[] { 1, 2, 3, 4, 5 });
        ChannelPromise writePromise = ch.newPromise();
        ch.writeOneOutbound(new UploadCommand(CACHE_URI, true, "abcdef", data, 5), writePromise);

        HttpRequest request = ch.readOutbound();
        assertThat(request).isInstanceOf(HttpRequest.class);
        HttpChunkedInput content = ch.readOutbound();
        assertThat(content).isInstanceOf(HttpChunkedInput.class);

        FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.FORBIDDEN);
        response.headers().set(HttpHeaders.CONNECTION, HttpHeaderValues.CLOSE);

        ch.writeInbound(response);

        assertThat(writePromise.isDone()).isTrue();
        assertThat(writePromise.cause()).isInstanceOf(HttpException.class);
        assertThat(((HttpException) writePromise.cause()).response().status())
                .isEqualTo(HttpResponseStatus.FORBIDDEN);
        assertThat(ch.isOpen()).isFalse();
    }

    /**
     * Test that the handler correctly supports http error codes i.e. 404 (NOT FOUND) with a
     * Content-Length header.
     */
    @Test
    public void httpErrorsWithContentAreSupported() {
        EmbeddedChannel ch = new EmbeddedChannel(new HttpUploadHandler(null));
        ByteArrayInputStream data = new ByteArrayInputStream(new byte[] { 1, 2, 3, 4, 5 });
        ChannelPromise writePromise = ch.newPromise();
        ch.writeOneOutbound(new UploadCommand(CACHE_URI, true, "abcdef", data, 5), writePromise);

        HttpRequest request = ch.readOutbound();
        assertThat(request).isInstanceOf(HttpRequest.class);
        HttpChunkedInput content = ch.readOutbound();
        assertThat(content).isInstanceOf(HttpChunkedInput.class);

        ByteBuf errorMsg = ByteBufUtil.writeAscii(ch.alloc(), "error message");
        FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.NOT_FOUND,
                errorMsg);
        response.headers().set(HttpHeaders.CONNECTION, HttpHeaderValues.KEEP_ALIVE);

        ch.writeInbound(response);

        assertThat(writePromise.isDone()).isTrue();
        assertThat(writePromise.cause()).isInstanceOf(HttpException.class);
        assertThat(((HttpException) writePromise.cause()).response().status())
                .isEqualTo(HttpResponseStatus.NOT_FOUND);
        assertThat(ch.isOpen()).isTrue();
    }
}