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Posted to jira@arrow.apache.org by "Dragoș Moldovan-Grünfeld (Jira)" <ji...@apache.org> on 2021/10/25 08:43:00 UTC
[jira] [Updated] (ARROW-14458) [R] Use expect_snapshot() to improve
tests in dplyr funcs strings
[ https://issues.apache.org/jira/browse/ARROW-14458?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dragoș Moldovan-Grünfeld updated ARROW-14458:
---------------------------------------------
Summary: [R] Use expect_snapshot() to improve tests in dplyr funcs strings (was: [R] Use expect_snapshot() to improve test in dplyr funcs strings)
> [R] Use expect_snapshot() to improve tests in dplyr funcs strings
> -----------------------------------------------------------------
>
> Key: ARROW-14458
> URL: https://issues.apache.org/jira/browse/ARROW-14458
> Project: Apache Arrow
> Issue Type: Improvement
> Components: R
> Reporter: Dragoș Moldovan-Grünfeld
> Priority: Major
>
> This comes from [Romain's suggestion|https://github.com/apache/arrow/pull/11502/files/2a8a139b727acb13019da6176444578ead6bf208#r735351673] to transform the test that rely on capturing a string by using a snapshot test (added in {{testthat}}'s 3rd edition).
> A test like:
> {code:r}
> expect_error(expression, message)
> {code}
> becomes
> {code:r}
> expect_snapshot({
> (expect_error(expression))
> })
> {code}
> This is probably a more general improvement we can make to our unit tests (i.e. to make more extensive use of the snapshot functionality), but I thought I'd focus on one test file to begin with.
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