expect_success

expect_failure

show_failure

Use these expectations to test other expectations.
Use <code>show_failure()</code> in examples to print the failure message without
throwing an error.

internal

Software testing is important, but, in part because it is
frustrating and boring, many of us avoid it. 'testthat' is a testing
framework for R that is easy to learn and use, and integrates with
your existing 'workflow'.

Hadley Wickham

testthat

Unit Testing for R

Posit Software, PBC 

R Core team 

expect_success function

<dl><dt>expr</dt>
<dd>Expression that evaluates a single expectation.</dd>
<dt>message</dt>
<dd>Check that the failure message matches this regexp.</dd>
<dt>...</dt>
<dd>Other arguments passed on to <code>expect_match()</code>.</dd></dl>

Arguments

Tools for testing expectations — expect_success

<dl>

<dt>expr</dt>
<dd>Expression that evaluates a single expectation.</dd>


<dt>message</dt>
<dd>Check that the failure message matches this regexp.</dd>


<dt>...</dt>
<dd>Other arguments passed on to <code>expect_match()</code>.</dd>

</dl>

expect_success: Tools for testing expectations

Description

Usage

Arguments