lnykww commented on PR #700:
URL: https://github.com/apache/commons-vfs/pull/700#issuecomment-3068121140
I cannot reproduce this issue with the following unit tests, but it occurs
consistently in Hop. However, the problem disappears after the fix in the PR
code is applied.
`
@Test
public void testReadFileOperations() throws Exception {
DefaultFileSystemManager manager = new DefaultFileSystemManager();
manager.addProvider("http5", new
org.apache.commons.vfs2.provider.http5.Http5FileProvider());
manager.setFilesCache(new SoftRefFilesCache());
manager.setCacheStrategy(CacheStrategy.ON_RESOLVE);
// Step 1: Test reading a non-existent file
final String nonExistentFileUri = connectionUri +
"/read-tests/nonexistent.txt";
try {
final FileObject nonExistentFileObject =
manager.resolveFile(nonExistentFileUri);
try (InputStream inputStream =
nonExistentFileObject.getContent().getInputStream()) {
inputStream.read(); // Attempt to read from the stream
Assertions.fail("Expected FileSystemException for
non-existent file (HTTP 404)");
}
} catch (final FileSystemException e) {
Assertions.assertTrue(e.getCode().contains("read-not-file.error"),
"Expected HTTP 404 Not Found error, but got: " +
e.getMessage() + " " + e.getCode());
}
// Step 2: Test reading an existing file
final String existentFileUri = connectionUri +
"/read-tests/file1.txt";
final FileObject existentFileObject =
manager.resolveFile(existentFileUri);
Assertions.assertTrue(existentFileObject.exists(), "File should
exist");
try (InputStream inputStream =
existentFileObject.getContent().getInputStream()) {
Assertions.assertNotNull(inputStream, "InputStream should not be
null");
int available = inputStream.available();
Assertions.assertTrue(available > 0, "InputStream should have
content available");
byte[] buffer = new byte[1024];
int bytesRead = inputStream.read(buffer);
Assertions.assertTrue(bytesRead > 0, "InputStream should read
non-empty content");
}
}
`
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