39 lines
819 B
Ruby
39 lines
819 B
Ruby
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# frozen_string_literal: true
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require 'rails_helper'
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RSpec.describe MergeContactLists do
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subject { described_class.call from: from, to: to }
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let(:from) { create :some_contact_list }
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let(:to) { create :some_contact_list }
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specify do
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expect { subject }.to \
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change(from.contacts, :count)
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.from(from.contacts.count)
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.to(0)
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end
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specify do
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expect { subject }.to \
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change(to.contacts, :count)
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.from(to.contacts.count)
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.to(from.contacts.count + to.contacts.count)
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end
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specify do
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expect { subject }.to \
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change(from.contacts, :to_a)
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.from(from.contacts.to_a)
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.to([])
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end
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specify do
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expect { subject }.to \
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change(to.contacts, :to_a)
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.from(to.contacts.to_a)
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.to(to.contacts.to_a + from.contacts.to_a)
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end
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end
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