Robert Muir created LUCENE-5154:
-----------------------------------
Summary: ban tests from writing to CWD
Key: LUCENE-5154
URL: https://issues.apache.org/jira/browse/LUCENE-5154
Project: Lucene - Core
Issue Type: Test
Reporter: Robert Muir
Attachments: LUCENE-5154.patch
Currently each forked jvm has cwd = tempDir = .
This provides some minimal protection against tests in different jvms from
interfering with each other, but we can do much better by splitting these
concerns: and setting cwd = . and tempDir = ./temp
Tests that write files to CWD can confuse IDE users because they can create
dirty checkouts or other issues between different runs, and of course can
interfere with other tests in the *same* jvm (there are other possible ways to
do this to).
So a test like this should fail with SecurityException, but currently does not.
{code}
public void testBogus() throws Exception {
File file = new File("foo.txt");
FileOutputStream os = new FileOutputStream(file);
os.write(1);
os.close();
}
{code}
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