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Contents
require 'rom/schema'
RSpec.describe ROM::Schema, '#[]' do
context 'with a schema' do
subject(:schema) do
define_schema(:users, id: :Int, name: :String, email: :String)
end
it 'returns an attribute identified by its canonical name' do
expect(schema[:email]).to eql(define_type(:email, :String, source: :users))
end
it 'returns an aliased attribute identified by its canonical name' do
expect(schema.rename(id: :user_id)[:id]).to eql(define_type(:id, :Int, source: :users, alias: :user_id))
end
it 'raises KeyError when attribute is not found' do
expect { schema[:not_here] }.to raise_error(KeyError, /not_here/)
end
end
context 'with a merged schema' do
subject(:schema) do
left.merge(right.__send__(:new, right.map { |attr| attr.meta(source: :tasks) }))
end
let(:left) do
define_schema(:users, id: :Int, name: :String)
end
let(:right) do
define_schema(:tasks, id: :Int, title: :String)
end
it 'returns an attribute identified by its canonical name' do
expect(schema[:id]).to eql(define_type(:id, :Int, source: :users))
end
it 'returns an attribute identified by its canonical name when its unique' do
expect(schema[:title]).to eql(define_type(:title, :String, source: :tasks))
end
it 'returns an attribute identified by its canonical name and its source' do
expect(schema[:id, :tasks]).to eql(define_type(:id, :Int, source: :tasks))
end
it 'raises KeyError when attribute is not found' do
expect { schema[:not_here] }.to raise_error(KeyError, /not_here/)
expect { schema[:not_here, :tasks] }.to raise_error(KeyError, /not_here/)
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems