Examples with BlobInfo com.google.cloud.storage.BlobInfo used on opensource projects

Example 26 with BlobInfo

use of com.google.cloud.storage.BlobInfo in project google-cloud-java by GoogleCloudPlatform.

the class ITStorageTest method testUpdateBlob.

@Test
public void testUpdateBlob() {
    String blobName = "test-update-blob";
    BlobInfo blob = BlobInfo.newBuilder(BUCKET, blobName).build();
    Blob remoteBlob = storage.create(blob);
    assertNotNull(remoteBlob);
    Blob updatedBlob = remoteBlob.toBuilder().setContentType(CONTENT_TYPE).build().update();
    assertNotNull(updatedBlob);
    assertEquals(blob.getName(), updatedBlob.getName());
    assertEquals(blob.getBucket(), updatedBlob.getBucket());
    assertEquals(CONTENT_TYPE, updatedBlob.getContentType());
    assertTrue(updatedBlob.delete());
}

Example 27 with BlobInfo

use of com.google.cloud.storage.BlobInfo in project google-cloud-java by GoogleCloudPlatform.

the class ITStorageTest method testBatchRequestFail.

@Test
public void testBatchRequestFail() {
    String blobName = "test-batch-request-blob-fail";
    BlobInfo blob = BlobInfo.newBuilder(BUCKET, blobName).build();
    Blob remoteBlob = storage.create(blob);
    assertNotNull(remoteBlob);
    BlobInfo updatedBlob = BlobInfo.newBuilder(BUCKET, blobName, -1L).build();
    StorageBatch batch = storage.batch();
    StorageBatchResult<Blob> updateResult = batch.update(updatedBlob, Storage.BlobTargetOption.generationMatch());
    StorageBatchResult<Boolean> deleteResult1 = batch.delete(BUCKET, blobName, Storage.BlobSourceOption.generationMatch(-1L));
    StorageBatchResult<Boolean> deleteResult2 = batch.delete(BlobId.of(BUCKET, blobName, -1L));
    StorageBatchResult<Blob> getResult1 = batch.get(BUCKET, blobName, Storage.BlobGetOption.generationMatch(-1L));
    StorageBatchResult<Blob> getResult2 = batch.get(BlobId.of(BUCKET, blobName, -1L));
    batch.submit();
    try {
        updateResult.get();
        fail("Expected StorageException");
    } catch (StorageException ex) {
    // expected
    }
    try {
        deleteResult1.get();
        fail("Expected StorageException");
    } catch (StorageException ex) {
    // expected
    }
    assertFalse(deleteResult2.get());
    try {
        getResult1.get();
        fail("Expected StorageException");
    } catch (StorageException ex) {
    // expected
    }
    assertNull(getResult2.get());
}

Example 28 with BlobInfo

use of com.google.cloud.storage.BlobInfo in project google-cloud-java by GoogleCloudPlatform.

the class ITStorageTest method testGetBlobSelectedFields.

@Test
public void testGetBlobSelectedFields() {
    String blobName = "test-get-selected-fields-blob";
    BlobInfo blob = BlobInfo.newBuilder(BUCKET, blobName).setContentType(CONTENT_TYPE).setMetadata(ImmutableMap.of("k", "v")).build();
    assertNotNull(storage.create(blob));
    Blob remoteBlob = storage.get(blob.getBlobId(), Storage.BlobGetOption.fields(BlobField.METADATA));
    assertEquals(blob.getBlobId(), remoteBlob.getBlobId());
    assertEquals(ImmutableMap.of("k", "v"), remoteBlob.getMetadata());
    assertNull(remoteBlob.getContentType());
    assertTrue(remoteBlob.delete());
}

Example 29 with BlobInfo

use of com.google.cloud.storage.BlobInfo in project google-cloud-java by GoogleCloudPlatform.

the class ITStorageTest method testReadChannelFailUpdatedGeneration.

@Test
public void testReadChannelFailUpdatedGeneration() throws IOException {
    String blobName = "test-read-blob-fail-updated-generation";
    BlobInfo blob = BlobInfo.newBuilder(BUCKET, blobName).build();
    Random random = new Random();
    int chunkSize = 1024;
    int blobSize = 2 * chunkSize;
    byte[] content = new byte[blobSize];
    random.nextBytes(content);
    Blob remoteBlob = storage.create(blob, content);
    assertNotNull(remoteBlob);
    assertEquals(blobSize, (long) remoteBlob.getSize());
    try (ReadChannel reader = storage.reader(blob.getBlobId())) {
        reader.setChunkSize(chunkSize);
        ByteBuffer readBytes = ByteBuffer.allocate(chunkSize);
        int numReadBytes = reader.read(readBytes);
        assertEquals(chunkSize, numReadBytes);
        assertArrayEquals(Arrays.copyOf(content, chunkSize), readBytes.array());
        try (WriteChannel writer = storage.writer(blob)) {
            byte[] newContent = new byte[blobSize];
            random.nextBytes(newContent);
            int numWrittenBytes = writer.write(ByteBuffer.wrap(newContent));
            assertEquals(blobSize, numWrittenBytes);
        }
        readBytes = ByteBuffer.allocate(chunkSize);
        reader.read(readBytes);
        fail("StorageException was expected");
    } catch (StorageException ex) {
        StringBuilder messageBuilder = new StringBuilder();
        messageBuilder.append("Blob ").append(blob.getBlobId()).append(" was updated while reading");
        assertEquals(messageBuilder.toString(), ex.getMessage());
    }
    assertTrue(storage.delete(BUCKET, blobName));
}

Example 30 with BlobInfo

use of com.google.cloud.storage.BlobInfo in project google-cloud-java by GoogleCloudPlatform.

the class ITStorageTest method testReadChannelFail.

@Test
public void testReadChannelFail() throws IOException {
    String blobName = "test-read-channel-blob-fail";
    BlobInfo blob = BlobInfo.newBuilder(BUCKET, blobName).build();
    Blob remoteBlob = storage.create(blob);
    assertNotNull(remoteBlob);
    try (ReadChannel reader = storage.reader(blob.getBlobId(), Storage.BlobSourceOption.metagenerationMatch(-1L))) {
        reader.read(ByteBuffer.allocate(42));
        fail("StorageException was expected");
    } catch (StorageException ex) {
    // expected
    }
    try (ReadChannel reader = storage.reader(blob.getBlobId(), Storage.BlobSourceOption.generationMatch(-1L))) {
        reader.read(ByteBuffer.allocate(42));
        fail("StorageException was expected");
    } catch (StorageException ex) {
    // expected
    }
    BlobId blobIdWrongGeneration = BlobId.of(BUCKET, blobName, -1L);
    try (ReadChannel reader = storage.reader(blobIdWrongGeneration, Storage.BlobSourceOption.generationMatch())) {
        reader.read(ByteBuffer.allocate(42));
        fail("StorageException was expected");
    } catch (StorageException ex) {
    // expected
    }
    assertTrue(remoteBlob.delete());
}