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require 'spec_helper'
describe 'Paths' do
describe 'Aggregations' do
it "indicates aggregation for has many associations" do
path = Joiner::Path.new User, [:articles]
expect(path).to be_aggregate
end
it "indicates non-aggregation for belongs to association" do
path = Joiner::Path.new Article, [:user]
expect(path).to_not be_aggregate
end
it "indicates non-aggregation when the path is empty" do
path = Joiner::Path.new Article, []
expect(path).to_not be_aggregate
end
end
describe 'models' do
it "determines the underlying model for an association path" do
path = Joiner::Path.new User, [:articles, :comments]
expect(path.model).to eq(Comment)
end
it "returns the base model if the path is empty" do
path = Joiner::Path.new User, []
expect(path.model).to eq(User)
end
it "raises an exception if the path is invalid" do
path = Joiner::Path.new User, [:articles, :likes]
expect { path.model }.to raise_error(Joiner::AssociationNotFound)
end
end
end
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