Github user mattf-horton commented on a diff in the pull request:
https://github.com/apache/incubator-metron/pull/516#discussion_r110294160
--- Diff:
metron-platform/metron-common/src/test/java/org/apache/metron/common/dsl/functions/StringFunctionsTest.java
---
@@ -207,4 +207,78 @@ public void testFormatWithNoArguments() throws
Exception {
public void testFormatWithMissingArguments() throws Exception {
run("FORMAT('missing arg: %d')", Collections.emptyMap());
}
+
+
+ /**
+ * CHOP StringFunction
+ * @throws Exception
+ */
+ @Test
+ public void testChop() throws Exception {
+ Assert.assertEquals("ab", run("CHOP('abc')", new HashedMap()));
+ Assert.assertEquals(null, run("CHOP(null)", new HashedMap()));
+ Assert.assertEquals("abc", run("CHOP(msg)", ImmutableMap.of("msg",
"abc\r\n")));
+ Assert.assertEquals("", run("CHOP(msg)", ImmutableMap.of("msg",
"\n")));
+ }
+
+ @Test(expected = ParseException.class)
+ public void testChopWithMissingArguments() throws Exception {
+ run("CHOP()", Collections.emptyMap());
+ }
+
+ /**
+ * PREPENDIFMISSING StringFunction
+ * @throws Exception
+ */
+ @Test
+ public void testPrependIfMissing() throws Exception {
+ Assert.assertEquals("xyzabc", run("PREPENDIFMISSING('abc',
'xyz')", new HashedMap()));
+ Assert.assertEquals("xyzXYZabc", run("PREPENDIFMISSING('XYZabc',
'xyz', 'mno')", new HashedMap()));
+ Assert.assertEquals(null, run("PREPENDIFMISSING(null, null,
null)", new HashedMap()));
+ Assert.assertEquals("xyz", run("PREPENDIFMISSING('', 'xyz',
null)", new HashedMap()));
+ }
+
+ @Test(expected = ParseException.class)
+ public void testPrependIfMissingWithIncorrectArgs() throws Exception {
+ run("PREPENDIFMISSING()", Collections.emptyMap());
+ run("PREPENDIFMISSING('abc')", Collections.emptyMap());
+ run("PREPENDIFMISSING('abc', 'def', 'ghi', 'jkl')",
Collections.emptyMap());
+ }
+
+ /**
+ * APPENDIFMISSING StringFunction
--- End diff --
Same issues here of course, and in COUNTMATCHES.
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