slfan1989 commented on code in PR #13831:
URL: https://github.com/apache/iceberg/pull/13831#discussion_r2319383501
##########
flink/v2.0/flink/src/test/java/org/apache/iceberg/flink/maintenance/operator/TestDeleteFilesProcessor.java:
##########
@@ -74,27 +75,158 @@ void testDeleteMissingFile() throws Exception {
Path dummyFile =
FileSystems.getDefault().getPath(table.location().substring(5),
DUMMY_FILE_NAME);
- deleteFile(tableLoader(), dummyFile.toString());
+ deleteFile(tableLoader(), dummyFile.toString(), true /* expectSuccess */);
assertThat(listFiles(table)).isEqualTo(TABLE_FILES);
}
@Test
void testInvalidURIScheme() throws Exception {
- deleteFile(tableLoader(), "wrong://");
+ deleteFile(tableLoader(), "wrong://", false /* expectFail */);
assertThat(listFiles(table)).isEqualTo(TABLE_FILES);
}
- private void deleteFile(TableLoader tableLoader, String fileName) throws
Exception {
- tableLoader().open();
+ @Test
+ void testDeleteNonExistentFile() throws Exception {
+ String nonexistentFile = "nonexistentFile.txt";
+
+ deleteFile(tableLoader(), nonexistentFile, true /* expectSuccess */);
+
+ assertThat(listFiles(table)).isEqualTo(TABLE_FILES);
+ }
+
+ @Test
+ void testDelete10MBFile() throws Exception {
+ // Simulate a large file (e.g., 10MB file)
+ String largeFileName = "largeFile.txt";
+ Path largeFile = Path.of(tablePath(table).toString(), largeFileName);
+
+ // Write a large file to disk (this will simulate the large file in the
filesystem)
+ byte[] largeData = new byte[1024 * 1024 * 10]; // 10 MB
+ Files.write(largeFile, largeData);
+
+ // Verify that the file was created
+ Set<String> files = listFiles(table);
+ assertThat(files).contains(largeFileName);
+
+ // Use the DeleteFilesProcessor to delete the large file
+ deleteFile(tableLoader(), largeFile.toString(), true /* expectSuccess */);
+
+ // Verify that the large file has been deleted
+ files = listFiles(table);
+ assertThat(files).doesNotContain(largeFileName);
+ }
Review Comment:
Apologies for the inconvenience. Since I am responsible for the development
of part of the storage software at the company, I’ve been using a fixed testing
approach (such as deleting large files), but these methods may not be fully
compatible with the current scenario. I agree with your point that this unit
test is unnecessary, and I have already removed it.
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