expect_has_colnames

DataFrame / Dict subset column names assertion

Passes if the DataFrame, Dict, or named List contains at least all of the expected column/field names. Order is not required, and additional columns/fields are permitted.

Parameters

• data (DataFrame): | Dict | List The container to check.

• names (String): | List | Vector The required column/field name or list/vector of required names.

Returns

Expect_pass when all expected columns exist; Expect_hold on NA; Expect_stop on missing columns.

Examples

assert(expect_has_colnames(to_dataframe([x: [1], y = [2]]), ["x"]))
assert(expect_has_colnames(to_dataframe([x: [1], y = [2]]), "y"))

See Also

expect_ncol, expect_nrow, expect_fields, expect_colnames