shunping commented on code in PR #37900:
URL: https://github.com/apache/beam/pull/37900#discussion_r3190550483
##########
sdks/java/extensions/google-cloud-platform-core/src/test/java/org/apache/beam/sdk/extensions/gcp/util/GcsUtilParameterizedIT.java:
##########
@@ -587,4 +604,82 @@ private void assertNotExists(GcsPath path) throws
IOException {
assertThrows(FileNotFoundException.class, () -> gcsUtil.getObject(path));
}
}
+
+ @Test
+ public void testRead() throws IOException, NoSuchAlgorithmException {
+ final GcsPath gcsPath =
GcsPath.fromUri("gs://apache-beam-samples/shakespeare/kinglear.txt");
+ final String expectedHash =
"674a2725884307c96398440497c889ad8cecccedf5689df85e6b0faabe4e0fe8";
+ final long expectedSize = 157283L;
+
+ try (SeekableByteChannel channel = gcsUtil.open(gcsPath)) {
+ // Verify Size
+ assertEquals(expectedSize, channel.size());
+ assertEquals(0, channel.position());
+
+ // Read content into ByteBuffer
+ ByteBuffer buffer = ByteBuffer.allocate((int) expectedSize);
+ int bytesRead = 0;
+ while (buffer.hasRemaining()) {
+ int read = channel.read(buffer);
+ if (read == -1) {
+ break;
+ }
+ bytesRead += read;
+ }
Review Comment:
Done.
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