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| %has_args% | Check a function has specified arguments |
| %has_attr% | Has attribute or name? |
| %has_name% | Has attribute or name? |
| are_equal | Are two objects equal? |
| assertions-file | Useful test related to files |
| assert_that | Assert that certain conditions are true. |
| has_args | Check a function has specified arguments |
| has_attr | Has attribute or name? |
| has_extension | Useful test related to files |
| has_name | Has attribute or name? |
| is.count | Assert input is a scalar. |
| is.date | Missing is functions. |
| is.dir | Useful test related to files |
| is.error | Missing is functions. |
| is.flag | Assert input is a scalar. |
| is.number | Assert input is a scalar. |
| is.readable | Useful test related to files |
| is.scalar | Assert input is a scalar. |
| is.string | Assert input is a scalar. |
| is.time | Missing is functions. |
| is.writeable | Useful test related to files |
| noNA | Does object contain any missing values? |
| not_empty | Check an object doesn't have any empty dimensions |
| on_failure | Custom failure messages for assertions. |
| on_failure<- | Custom failure messages for assertions. |
| see_if | Assert that certain conditions are true. |
| validate_that | Validate that certain conditions are true. |