Fix FK CPK (#1396)
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@ -1397,7 +1397,7 @@ module Shoulda
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if options.key?(:foreign_key) && !foreign_key_correct?
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@missing = foreign_key_failure_message(klass, options[:foreign_key])
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false
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elsif !column_names_for(klass).include?(foreign_key)
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elsif !has_column?(klass, foreign_key)
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@missing = foreign_key_failure_message(klass, foreign_key)
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false
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else
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@ -1405,6 +1405,15 @@ module Shoulda
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end
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end
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def has_column?(klass, column)
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case column
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when Array
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column.all? { |c| has_column?(klass, c) }
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else
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column_names_for(klass).include?(column)
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end
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end
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def foreign_key_correct?
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option_verifier.correct_for_string?(
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:foreign_key,
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@ -1434,12 +1443,18 @@ module Shoulda
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end
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def foreign_key
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if foreign_key_reflection
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if foreign_key_reflection.respond_to?(:foreign_key)
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foreign_key_reflection.foreign_key.to_s
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else
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foreign_key_reflection.primary_key_name.to_s
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end
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key = if foreign_key_reflection
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if foreign_key_reflection.respond_to?(:foreign_key)
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foreign_key_reflection.foreign_key
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else
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foreign_key_reflection.primary_key_name
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end
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end
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if key.is_a?(Array)
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key.map(&:to_s)
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else
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key.to_s
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end
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end
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@ -1414,7 +1414,7 @@ Expected Parent to have a has_many association called children through conceptio
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expect(having_one_non_existent(:person, :detail, class_name: 'Detail')).not_to have_one(:detail)
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end
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it 'rejects an association with a valid :class_name and a bad :primary_key option' do
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it 'rejects an association with a valid :class_name and a bad :foreign_key option' do
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define_model :person_detail
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define_model :person do
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has_one :detail, class_name: 'PersonDetail', foreign_key: :person_detail_id
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@ -1428,6 +1428,48 @@ Expected Parent to have a has_many association called children through conceptio
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and_fail_with(expected_message)
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end
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it 'rejects an association with a valid :class_name and a bad :foreign_key option (CPK)' do
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define_model :person_detail
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define_model :person do
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has_one :detail, class_name: 'PersonDetail', foreign_key: %i[company_id person_detail_id]
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end
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expected_message = 'Expected Person to have a has_one association called detail ' \
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'(PersonDetail does not have a [:foo_id, :bar_id] foreign key.)'
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expect do
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have_one(:detail).class_name('PersonDetail').
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with_foreign_key(%i[foo_id bar_id])
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end.not_to match_against(Person.new).and_fail_with(expected_message)
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end
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it 'rejects an association with a valid :class_name and :foreign_key option (CPK), but no columns' do
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define_model :person_detail
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define_model :person do
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has_one :detail, class_name: 'PersonDetail', foreign_key: %i[company_id person_detail_id]
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end
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expected_message = 'Expected Person to have a has_one association called detail ' \
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'(PersonDetail does not have a ["company_id", "person_detail_id"] foreign key.)'
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expect do
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have_one(:detail).class_name('PersonDetail').
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with_foreign_key(%i[company_id person_detail_id])
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end.not_to match_against(Person.new).and_fail_with(expected_message)
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end
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it 'accepts an association with a valid :class_name and :foreign_key option (CPK)' do
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define_model :person_detail, company_id: :integer, person_detail_id: :integer
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define_model :person do
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has_one :detail, class_name: 'PersonDetail', foreign_key: %i[company_id person_detail_id]
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end
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expect(Person.new).
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to have_one(:detail).
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class_name('PersonDetail').
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with_foreign_key(%i[company_id person_detail_id])
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end
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it 'adds error message when rejecting an association with non-existent class' do
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message = 'Expected Person to have a has_one association called detail (Detail2 does not exist)'
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expect {
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