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Contents
require 'rom/schema'
RSpec.describe ROM::Schema, '#finalize!' do
context 'without inferrer' do
subject(:schema) do
define_schema(:users, id: :Int, name: :String)
end
before { schema.finalize! }
it 'returns a frozen canonical schema' do
expect(schema).to be_frozen
end
end
context 'with inferrer' do
subject(:schema) do
ROM::Schema.define(:users, attributes: attributes, inferrer: inferrer)
end
let(:inferrer) do
proc { [[define_type(:name, :String)], [:id, :age]]}
end
context 'when all required attributes are present' do
let(:attributes) do
[define_type(:id, :Int), define_type(:age, :Int)]
end
it 'concats defined attributes with inferred attributes' do
expect(schema.finalize!.map(&:name)).to eql(%i[id age name])
end
end
context 'when inferred attributes are overridden' do
let(:attributes) do
[define_type(:id, :Int),
define_type(:age, :Int),
define_type(:name, :String).meta(custom: true)]
end
it 'respects overridden attributes' do
expect(schema.finalize!.map(&:name)).to eql(%i[id age name])
expect(schema[:name].meta[:custom]).to be(true)
end
end
context 'when some attributes are missing' do
let(:attributes) do
[]
end
it 'raises error' do
expect { schema.finalize! }.
to raise_error(ROM::Schema::MissingAttributesError, /missing attributes in :users schema: :id, :age/)
end
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems