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Contents
# frozen_string_literal: true
RSpec.describe 'Mapper Hash' do
link :build_mapper_factory, from: :ree_mapper
link :build_mapper_strategy, from: :ree_mapper
let(:mapper_factory) {
build_mapper_factory(
strategies: [
build_mapper_strategy(method: :cast, dto: Hash)
]
)
}
let(:mapper) {
mapper_factory.call.use(:cast) {
hash :point do
integer :x
integer :y
end
}
}
describe '#cast' do
it {
expect(mapper.cast({ point: { x: 1, y: 1 } })).to eq({ point: { x: 1, y: 1 } })
}
it {
expect { mapper.cast({ point: 1 }) }.to raise_error(ReeMapper::TypeError, 'Missing required field `x` for `point`')
}
it {
expect { mapper.cast({ point: { x: 1, y: 'not integer' } }) }.to raise_error(ReeMapper::CoercionError, '`point[y]` is invalid integer')
}
end
describe 'dto: option' do
it {
expect(
mapper_factory.call.use(:cast) {
hash :point, dto: OpenStruct do
integer :x
integer :y
end
}.cast({ point: { x: 1, y: 1 } })
).to eq({ point: OpenStruct.new({ x: 1, y: 1 }) })
}
end
describe 'parent strategy object output' do
let(:mapper_factory) {
build_mapper_factory(
strategies: [
build_mapper_strategy(method: :cast, dto: Object)
]
)
}
let(:mapper) {
mapper_factory.call.use(:cast, dto: dto) {
hash :point do
integer :x
integer :y
end
}
}
let(:dto) {
Class.new do
def ==(other)
instance_variables == other.instance_variables
end
end
}
it {
expect(mapper.cast({ point: { x: 1, y: 1 } })).to eq(Object.new.tap { _1.instance_exec { @point = { x: 1, y: 1 } } })
}
end
end
Version data entries
55 entries across 55 versions & 1 rubygems