Quick recursive arguments checks on lists and data frames

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Description

These functions are the tuned counterparts of qtest, qassert and qexpect tailored for recursive checks of list elements or data frame columns.

Usage

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qassertr(x, rules, .var.name = vname(x))

qtestr(x, rules, depth = 1L)

qexpectr(x, rules, info = NULL, label = vname(x))

Arguments

x

[list or data.frame]
List or data frame to check for compliance with at least one of rules. See details of qtest for rule explanation.

rules

[character]
Set of rules. See qtest

.var.name

[character(1)]
Name of the checked object to print in error messages. Defaults to the heuristic implemented in vname.

depth

[integer(1)]
Maximum recursion depth. Defaults to “1” to directly check list elements or data frame columns. Set to a higher value to check lists of lists of elements.

info

[character(1)]
Extra information to be included in the message for the testthat reporter. See expect_that.

label

[character(1)]
Name of the checked object to print in messages. Defaults to the heuristic implemented in vname.

Value

See qassert.

See Also

qtest, qassert

Examples

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# All list elements are integers with length >= 1?
qtestr(as.list(1:10), "i+")

# All list elements (i.e. data frame columns) are numeric?
qtestr(iris, "n")

# All list elements are numeric, w/o NAs?
qtestr(list(a = 1:3, b = rnorm(1), c = letters), "N+")

# All list elements are numeric OR character
qtestr(list(a = 1:3, b = rnorm(1), c = letters), c("N+", "S+"))

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