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# frozen_string_literal: true
require 'spec_helper'
describe IgnorableColumn do
let :base_class do
Class.new do
def self.columns
# This method does not have access to "double"
[
Struct.new(:name).new('id'),
Struct.new(:name).new('title'),
Struct.new(:name).new('date')
]
end
end
end
let :model do
Class.new(base_class) do
include IgnorableColumn
end
end
describe '.columns' do
it 'returns the columns, excluding the ignored ones' do
model.ignore_column(:title, :date)
expect(model.columns.map(&:name)).to eq(%w(id))
end
end
describe '.ignored_columns' do
it 'returns a Set' do
expect(model.ignored_columns).to be_an_instance_of(Set)
end
it 'returns the names of the ignored columns' do
model.ignore_column(:title, :date)
expect(model.ignored_columns).to eq(Set.new(%w(title date)))
end
end
end
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