is_equivalent_to {testthat}R Documentation

Expectation: is the object equivalent to a value? This expectation tests for equivalency: are two objects equal once their attributes have been removed.

Description

Expectation: is the object equivalent to a value? This expectation tests for equivalency: are two objects equal once their attributes have been removed.

Usage

  is_equivalent_to(expected, label = NULL)

  expect_equivalent(object, expected, info = NULL,
    label = NULL, expected.label = NULL)

Arguments

expected

Expected value

label

For full form, label of expected object used in error messages. Useful to override default (deparsed expected expression) when doing tests in a loop. For short cut form, object label. When NULL, computed from deparsed object.

object

object to test

info

extra information to be included in the message (useful when writing tests in loops).

expected.label

Equivalent of label for shortcut form.

See Also

Other expectations: equals, expect_equal, expect_error, expect_false, expect_identical, expect_is, expect_match, expect_message, expect_output, expect_true, expect_warning, gives_warning, is_a, is_false, is_identical_to, is_true, matches, prints_text, shows_message, takes_less_than, throws_error

Examples

a <- b <- 1:3
names(b) <- letters[1:3]
expect_that(a, is_equivalent_to(b, label = b))
expect_equivalent(a, b)
[Package testthat version 0.6 Index]