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|
# frozen_string_literal: true
RSpec.describe Morpher::Transform::Array do
subject { described_class.new(transform) }
let(:transform) { Morpher::Transform::Boolean.new }
describe '#call' do
def apply
subject.call(input)
end
context 'on array input' do
context 'empty' do
let(:input) { [] }
it 'returns sucess' do
expect(apply).to eql(right(input))
end
end
context 'valid elements' do
let(:input) { [true, true] }
it 'returns sucess' do
expect(apply).to eql(right(input))
end
end
context 'invalid elements' do
let(:input) { [true, 1] }
let(:boolean_error) do
Morpher::Transform::Error.new(
cause: nil,
input: 1,
message: 'Expected: boolean but got: 1',
transform: transform
)
end
let(:index_error) do
Morpher::Transform::Error.new(
cause: boolean_error,
input: 1,
message: nil,
transform: Morpher::Transform::Index.new(index: 1, transform: transform)
)
end
let(:error) do
Morpher::Transform::Error.new(
cause: index_error,
input: input,
message: 'Failed to coerce array at index: 1',
transform: subject
)
end
it 'returns failure' do
expect(apply).to eql(left(error))
end
end
context 'transformed elements' do
let(:input) { [{ 'foo' => 'bar' }] }
let(:transform) { Morpher::Transform::Hash::Symbolize.new }
it 'returns transformed elements' do
expect(apply).to eql(right([foo: 'bar']))
end
end
end
context 'on other input' do
let(:input) { false }
let(:error) do
Morpher::Transform::Error.new(
cause: nil,
input: input,
message: 'Expected: Array but got: FalseClass',
transform: subject
)
end
it 'returns failure' do
expect(apply).to eql(left(error))
end
end
end
end
|
