Workaround bug with multipart date in ActiveInteraction::Base#given?

AaronLasseigne/active_interaction#499

app/forms/base_form.rb

@@ -6,6 +6,14 @@ def self.build params
  end
 
  def given_inputs
- inputs.select{|key| given? key }
+ # FIXME: ActiveInteraction::Base#given? seems to have a bug recognizing multipart date params
+ raw_inputs = @_interaction_inputs
+ inputs.select do |key|
+ given?(key) || (
+ raw_inputs.key?(:"#{key}(1i)") &&
+ raw_inputs.key?(:"#{key}(2i)") &&
+ raw_inputs.key?(:"#{key}(3i)")
+ )
+ end
  end
 end

spec/forms/base_form_spec.rb

@@ -0,0 +1,80 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe BaseForm do
+ describe '#given_inputs' do
+ let(:form) do
+ Class.new(BaseForm) {
+ string :string, default: nil
+ date :date, default: nil
+
+ def execute
+ [inputs, given_inputs]
+ end
+
+ def self.model_name # needed for anonymous classes
+ ActiveModel::Name.new(self, nil, "BaseFormSpec")
+ end
+ }
+ end
+
+ let(:result) { form.build params }
+ let(:inputs) { result[0] }
+ let(:given_inputs) { result[1] }
+
+ context 'with no params given' do
+ let(:params) {{}}
+
+ it 'recognizes no params were given' do
+ expect(inputs).to eq(string: nil, date: nil)
+ expect(given_inputs).to be_empty
+ end
+ end
+
+ context 'with an explicitly nil param' do
+ let(:params) {{ date: nil }}
+
+ specify 'inputs show all params with defaults' do
+ expect(inputs).to eq(string: nil, date: nil)
+ end
+
+ specify 'given_inputs only show params that were explicitly given' do
+ expect(given_inputs).to eq(date: nil)
+ end
+ end
+
+ context 'with params given' do
+ let(:params) {{ string: 'a string', date: '2020-12-31' }}
+
+ it 'recognizes the given params' do
+ expect(inputs).to eq(string: 'a string', date: Date.new(2020, 12, 31))
+ expect(given_inputs).to eq inputs
+ end
+ end
+
+ context 'with a complete multi-part date param' do
+ let(:params) {{
+ 'date(1i)' => '2020',
+ 'date(2i)' => '12',
+ 'date(3i)' => '31',
+ }}
+
+ it 'recognizes the multi-part date was given' do
+ expect(inputs).to eq(string: nil, date: Date.new(2020, 12, 31))
+ expect(given_inputs).to eq(date: Date.new(2020, 12, 31))
+ end
+ end
+
+ context 'with a partial multi-part date param' do
+ let(:params) {{
+ 'date(1i)' => '2020',
+ }}
+
+ it 'ignores the date' do
+ expect(inputs).to eq(string: nil, date: nil)
+ expect(given_inputs).to be_empty
+ end
+ end
+ end
+end