Test for a valid table — .expect_valid

This function is a collection of expectations which ensure that the output of reorganise is formally and contentwise correct. It is used in the tests of this package.

.expect_valid_table(
  x = NULL,
  units = 1,
  variables = NULL,
  groups = FALSE,
  flags = FALSE
)

Arguments

x: a table to test.
units: the number of units in the output table (from 1 to 3)
variables: the variables that should be in the output table (either "harvested" or "production")
groups: whether or not groups are in the test table.
flags: whether or not flags are in the test table.

Value

Either an error message of the invalid expectations, or the output of the last successful expectation.