Github user cestella commented on a diff in the pull request:
https://github.com/apache/incubator-metron/pull/119#discussion_r63099913
--- Diff:
metron-platform/metron-common/src/test/java/org/apache/metron/common/query/QueryParserTest.java
---
@@ -67,6 +67,7 @@ public void testSimpleOps() throws Exception {
Assert.assertTrue(run("foo== foo", v -> variableMap.get(v)));
Assert.assertTrue(run("empty== ''", v -> variableMap.get(v)));
Assert.assertTrue(run("spaced == 'metron is great'", v ->
variableMap.get(v)));
+ Assert.assertTrue(run("", v -> variableMap.get(v)));
--- End diff --
How about a test case for null too?
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