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Find exchanges with a particular variant

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This commit is contained in:
Rohan Mitchell
2013-08-16 15:12:03 +10:00
parent 1d23446c40
commit 9563aad9fa
2 changed files with 9 additions and 0 deletions
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1
app/models/exchange.rb
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@@ -17,4 +17,5 @@ class Exchange < ActiveRecord::Base
scope :incoming, joins(:order_cycle).where('exchanges.receiver_id = order_cycles.coordinator_id')
scope :outgoing, joins(:order_cycle).where('exchanges.sender_id = order_cycles.coordinator_id')
scope :with_variant, lambda { |variant| joins(:exchange_variants).where('exchange_variants.variant_id = ?', variant) }
end

8
spec/models/exchange_spec.rb
View File

@@ -60,5 +60,13 @@ describe Exchange do
it "finds outgoing exchanges" do
Exchange.outgoing.should == [outgoing_exchange]
end
it "finds exchanges with a particular variant" do
v = create(:variant)
ex = create(:exchange)
ex.variants << v
Exchange.with_variant(v).should == [ex]
end
end
end