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Contents
require 'spec_helper'
describe 'Relation registration DSL' do
include_context 'users and tasks'
it 'allows to expose chainable relations' do
setup.relation(:tasks) do
def high_priority
restrict { |tuple| tuple[:priority] < 2 }
end
def by_title(title)
restrict(title: title)
end
end
setup.relation(:users) do
def with_tasks
join(tasks)
end
end
tasks = rom.relations.tasks
expect(tasks.class.name).to eql("ROM::Relation[Tasks]")
expect(tasks.high_priority.inspect).to include("#<ROM::Relation[Tasks]")
expect(tasks.high_priority.by_title("be nice")).to match_array(
[name: "Joe", title: "be nice", priority: 1]
)
expect(tasks.by_title("be cool")).to match_array(
[name: "Jane", title: "be cool", priority: 2]
)
users = rom.relations.users
expect(users.with_tasks).to match_array(
[{ name: "Joe", email: "joe@doe.org", title: "be nice", priority: 1 },
{ name: "Joe", email: "joe@doe.org", title: "sleep well", priority: 2 },
{ name: "Jane", email: "jane@doe.org", title: "be cool", priority: 2 }]
)
end
end
Version data entries
16 entries across 16 versions & 1 rubygems