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https://issues.apache.org/jira/browse/PIG-2692?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14158475#comment-14158475
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Juan Gentile commented on PIG-2692:
-----------------------------------
+1 for being able to override multiple inputs. Regarding the ordering of
results, I did my own assert:
void assertUnsortedOutput(String[] expected, String alias) throws IOException,
ParseException, AssertionError {
List<String> expectedResults = new LinkedList<>(Arrays.asList(expected));
Iterator<Tuple> resultsIterator = getAlias(alias);
int size = 0;
while (resultsIterator.hasNext()) {
String result = resultsIterator.next().toString();
assertTrue(expectedResults.contains(result));
expectedResults.remove(result);
size++;
}
Assert.assertEquals(expected.length, size);
}
> Make the Pig unit faciliities more generalizable and update javadocs
> --------------------------------------------------------------------
>
> Key: PIG-2692
> URL: https://issues.apache.org/jira/browse/PIG-2692
> Project: Pig
> Issue Type: Improvement
> Reporter: Jeremy Hanna
> Priority: Minor
>
> This ticket has two goals for Pig unit:
> 1) Pig unit has a really nice method assertOutput(String inputAlias, String[]
> inputValues, String outputAlias, String[] expectedOutputValues). That method
> lets you override an input alias variable with a hardcoded list of values.
> That way, the script doesn't actually have to read that input variable from
> hdfs or cassandra. Then, it runs the script and checks the specified output
> alias variable against the expected set of values. It's a really nice way to
> test your entire pig script with a single method call, but only IF your
> script has exactly 1 input and 1 output. If you want to test more
> complicated scripts, you have to jump through some hoops in order to override
> more input variables. But, it would be fairly easy to change PigUnit so that
> it can override any number of inputs and check any number of outputs and do
> so easily. That's basically the change that I put into the base testing
> class I wrote. But, it would be better to push that into PigUnit itself, and
> it's something that could easily be done in an afternoon.
> 2) Update javadocs for the pig unit test classes to make them more readable.
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