Class: Probe::ColumnIsListWithDomain

Inherits:
ColumnMeetsCondition show all
Defined in:
lib/csv/probe/checks.rb

Overview

rubocop:disable Metrics/AbcSize Check if a tokenized column value is a list of given values

Instance Attribute Summary

Attributes inherited from ColumnMeetsCondition

#fail_msg, #ok_condition_fn, #varname

Attributes inherited from RowMeetsCondition

#fail_msg, #ok_condition_fn, #pre_checks, #severity

Instance Method Summary collapse

Methods inherited from ColumnMeetsCondition

#evaluate, #render_pretty_fail_msg

Methods inherited from RowMeetsCondition

#error_msg, #evaluate, #evaluate_pre_checks, #render_fail_msg, #render_pretty_fail_msg, #report_columns_hash, #source_row, #source_row_location

Constructor Details

#initialize(varname, expected_items_arr, separator, _placeholder = nil) ⇒ ColumnIsListWithDomain

rubocop:disable Metrics/MethodLength



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# File 'lib/csv/probe/checks.rb', line 203

def initialize(varname, expected_items_arr, separator, _placeholder = nil) # rubocop:disable Metrics/MethodLength
  super(varname, nil, nil)
  @ok_condition_fn = lambda { |val, _cfg|
    expected_items_arr.map!(&:to_s) # turn nil -> ""

    items = val.to_s.split(separator, -1)
    return true if items.empty? && expected_items_arr.include?(nil.to_s) # empty str allowed

    return false if items.empty?

    return items.all? { |e| expected_items_arr.include?(e) }
  }
  @fail_msg = lambda { |row, _opts|
    items = row.fetch(@varname).to_s.split(separator, -1)
    diff_items = items - expected_items_arr
    "expected that tokenized items of value #{items.inspect} are a subset of "\
      "#{expected_items_arr.inspect}, but items #{diff_items.inspect} are not"
  }
end