| /* |
| * Copyright 2022 Google LLC |
| * |
| * 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.android.libraries.mobiledatadownload.downloader.inline; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.junit.Assert.assertThrows; |
| |
| import android.content.Context; |
| import android.net.Uri; |
| import androidx.test.core.app.ApplicationProvider; |
| import androidx.test.ext.junit.runners.AndroidJUnit4; |
| import com.google.android.libraries.mobiledatadownload.DownloadException; |
| import com.google.android.libraries.mobiledatadownload.DownloadException.DownloadResultCode; |
| import com.google.android.libraries.mobiledatadownload.FileSource; |
| import com.google.android.libraries.mobiledatadownload.downloader.DownloadConstraints; |
| import com.google.android.libraries.mobiledatadownload.downloader.DownloadRequest; |
| import com.google.android.libraries.mobiledatadownload.downloader.InlineDownloadParams; |
| import com.google.android.libraries.mobiledatadownload.file.SynchronousFileStorage; |
| import com.google.android.libraries.mobiledatadownload.file.backends.AndroidFileBackend; |
| import com.google.android.libraries.mobiledatadownload.file.common.testing.FakeFileBackend; |
| import com.google.android.libraries.mobiledatadownload.file.common.testing.FakeFileBackend.OperationType; |
| import com.google.android.libraries.mobiledatadownload.file.openers.ReadStreamOpener; |
| import com.google.common.collect.ImmutableList; |
| import com.google.protobuf.ByteString; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.Executor; |
| import java.util.concurrent.Executors; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @RunWith(AndroidJUnit4.class) |
| public final class InlineFileDownloaderTest { |
| |
| private static final String FILE_NAME = "fileName"; |
| private static final FileSource FILE_CONTENT = |
| FileSource.ofByteString(ByteString.copyFromUtf8("TEST_CONTENT")); |
| private static final Executor DOWNLOAD_EXECUTOR = Executors.newScheduledThreadPool(2); |
| private static final Context CONTEXT = ApplicationProvider.getApplicationContext(); |
| |
| private static final FakeFileBackend FAKE_FILE_BACKEND = |
| new FakeFileBackend(AndroidFileBackend.builder(CONTEXT).build()); |
| private static final SynchronousFileStorage FILE_STORAGE = |
| new SynchronousFileStorage( |
| /* backends = */ ImmutableList.of(FAKE_FILE_BACKEND), |
| /* transforms = */ ImmutableList.of(), |
| /* monitors = */ ImmutableList.of()); |
| |
| private final Uri fileUri = |
| Uri.parse( |
| "android://com.google.android.libraries.mobiledatadownload.downloader.inline/files/datadownload/shared/public/" |
| + FILE_NAME); |
| |
| private InlineFileDownloader inlineFileDownloader; |
| |
| @Before |
| public void setUp() { |
| inlineFileDownloader = new InlineFileDownloader(FILE_STORAGE, DOWNLOAD_EXECUTOR); |
| } |
| |
| @After |
| public void tearDown() { |
| FAKE_FILE_BACKEND.clearFailure(OperationType.ALL); |
| } |
| |
| @Test |
| public void startDownloading_whenNonInlineFileSchemeGiven_fails() throws Exception { |
| DownloadRequest httpsDownloadRequest = |
| DownloadRequest.newBuilder() |
| .setUrlToDownload("https://url.to.download") |
| .setFileUri(fileUri) |
| .setDownloadConstraints(DownloadConstraints.NONE) |
| .build(); |
| |
| ExecutionException ex = |
| assertThrows( |
| ExecutionException.class, |
| () -> inlineFileDownloader.startDownloading(httpsDownloadRequest).get()); |
| |
| assertThat(ex).hasCauseThat().isInstanceOf(DownloadException.class); |
| DownloadException dex = (DownloadException) ex.getCause(); |
| assertThat(dex.getDownloadResultCode()) |
| .isEqualTo(DownloadResultCode.INVALID_INLINE_FILE_URL_SCHEME); |
| } |
| |
| @Test |
| public void startDownloading_whenCopyFails_fails() throws Exception { |
| FAKE_FILE_BACKEND.setFailure(OperationType.WRITE_STREAM, new IOException("test exception")); |
| |
| DownloadRequest downloadRequest = |
| DownloadRequest.newBuilder() |
| .setUrlToDownload("inlinefile:sha1:abc") |
| .setFileUri(fileUri) |
| .setInlineDownloadParamsOptional( |
| InlineDownloadParams.newBuilder().setInlineFileContent(FILE_CONTENT).build()) |
| .build(); |
| |
| ExecutionException ex = |
| assertThrows( |
| ExecutionException.class, |
| () -> inlineFileDownloader.startDownloading(downloadRequest).get()); |
| |
| assertThat(ex).hasCauseThat().isInstanceOf(DownloadException.class); |
| DownloadException dex = (DownloadException) ex.getCause(); |
| assertThat(dex.getDownloadResultCode()).isEqualTo(DownloadResultCode.INLINE_FILE_IO_ERROR); |
| } |
| |
| @Test |
| public void startDownloading_whenCopyCompletes_isSuccess() throws Exception { |
| DownloadRequest downloadRequest = |
| DownloadRequest.newBuilder() |
| .setUrlToDownload("inlinefile:sha1:abc") |
| .setFileUri(fileUri) |
| .setInlineDownloadParamsOptional( |
| InlineDownloadParams.newBuilder().setInlineFileContent(FILE_CONTENT).build()) |
| .build(); |
| |
| inlineFileDownloader.startDownloading(downloadRequest).get(); |
| |
| // Read file content back to check that it was copied from input |
| assertThat(FILE_STORAGE.exists(fileUri)).isTrue(); |
| InputStream copiedContentStream = FILE_STORAGE.open(fileUri, ReadStreamOpener.create()); |
| ByteString copiedContent = ByteString.readFrom(copiedContentStream); |
| copiedContentStream.close(); |
| assertThat(copiedContent).isEqualTo(FILE_CONTENT.byteString()); |
| } |
| } |