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https://issues.apache.org/jira/browse/NIFI-1123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15007661#comment-15007661
]
ASF GitHub Bot commented on NIFI-1123:
--------------------------------------
Github user trkurc commented on the pull request:
https://github.com/apache/nifi/pull/116#issuecomment-157213254
@jskora what would you expect the following unit tests to do?
```
@Test
public void testInvalidRegex() {
final TestRunner runner = TestRunners.newTestRunner(new
UpdateAttribute());
runner.setProperty("Delete Attributes Expression", "(");
final Map<String, String> attributes = new HashMap<>();
attributes.put("attribute.1", "value.1");
runner.enqueue(new byte[0], attributes);
runner.run();
}
@Test
public void testInvalidRegexInAttribute() {
final TestRunner runner = TestRunners.newTestRunner(new
UpdateAttribute());
runner.setProperty("Delete Attributes Expression", "${butter}");
final Map<String, String> attributes = new HashMap<>();
attributes.put("butter", "(");
runner.enqueue(new byte[0], attributes);
runner.run();
}
```
> Extend the "Delete Attributes Expression" to support Expression Language
> ------------------------------------------------------------------------
>
> Key: NIFI-1123
> URL: https://issues.apache.org/jira/browse/NIFI-1123
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core Framework
> Reporter: Joe Skora
> Assignee: Joe Skora
> Priority: Minor
> Labels: easyfix, features, patch
>
> Allow the "Delete Attributes Expression" to accept Expression Language to
> dynamically produce the regular expression to identify attributes to be
> deleted per discussion on
> [NIFI-641|https://issues.apache.org/jira/browse/NIFI-641].
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