expect_not_null: Extend testthat expectation for not null

In chriszheng2016/zstmodelr: Stock Factor Models for China Stock Market Investment

Description

This is an expectation as a counterpart of testthat::expect_null().

Usage

expect_not_null(object, info = NULL, label = NULL)

Arguments

object	Object to test.
info	Extra information to be included in the message. This argument is soft-deprecated and should not be used in new code. Instead see alternatives in testthat::quasi_label().
label	Used to customize failure messages. For expert use only.

Examples

## Not run: 

x <- NULL
y <- 10

expect_not_null(y)

testthat::show_failure(expect_not_null(x))

## End(Not run)

chriszheng2016/zstmodelr documentation built on June 13, 2021, 8:59 p.m.