dunlin (version 0.1.9)

assert_all_tablenames: Assert that all names are among names of a list of data.frame.

Description

Assert that all names are among names of a list of data.frame.

Usage

assert_all_tablenames(db, tab, null_ok = TRUE, qualifier = NULL)

Value

invisible TRUE or an error message if the criteria are not fulfilled.

Arguments

db

(list of data.frame) input to check for the presence of tables.

tab

(character) the names of the tables to be checked.

null_ok

(flag) can x be NULL.

qualifier

(string) to be returned if the check fails.

Examples

lsd <- list(
  mtcars = mtcars,
  iris = iris
)
assert_all_tablenames(lsd, c("mtcars", "iris"), qualifier = "first test:")