assertr

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When multiple comma-separated columns are selected in assert_rows, it gives an error when building the violations data.frame

4

Example: ```r mtcars[2:4, "mpg"]

theunis

Chaining adds "assertr_in_chain_success_fun_override" attribute to dataframe?

1

Hello, Thanks so much for making this package available! I have been using the `chain_start` and `chain_end` functions to link various assertions together. However, I noticed that this appears to...

jack-gregory

assert has error for single-row data frames and multiple columns

2

`assert` errors when making an assertion on multiple columns for a single-row data frame. My guess is that that the issue involves the internals somewhere incorrectly treating the row as...

jayqi

Make a warning if no columns are selected

1

I tried to use a `contains` in an assertion that I know should have failed It looked like it passed but that's because no columns were selected a) make `contains`...

tonyfischetti

Hello, When assertion fails using assert(), the description argument is not printed. I was expecting it to print out the description along with the error data frame. This seems to...

heiku-jiqu

Add example of custom predicate to README

tonyfischetti

Feature request: assertions on attributes of data frame

2

I previously used this package to check that joins in a pipeline do not introduce new rows via duplicates using the following pattern: ``` df3 % left_join(df2, by="var") %>% assert(nrow(.)...

JordanGutterman

I was wondering whether anyone is using assertr in Shiny. The idea was to notify users whenever an assertr chain fails by using Shiny's `validate` mechanism. This also keeps Shiny...

lgaborini

Feature request: check dates/times are within allowed date/time interval.

1

I simply copy-pasted the code for `within_bounds`: ``` # Hack of assertr::within_bounds: within_interval

andrewjohnlowe

Error in data.frame(verb = verb, redux_fn = NA, predicate = name.of.predicate, : arguments imply differing number of rows

2

Hi, I've encountered a _possible_ bug in assertr. I can't be certain, because I'm unable to provide a reproducible example: the data is covered by NDA. My code looks like...

andrewjohnlowe