1# frozen_string_literal: true
 2
 3require 'rails_helper'
 4
 5RSpec.describe ApplicationHelper do
 6  describe "#alert_class_for" do
 7    specify { expect(helper.alert_class_for(:notice)).to eql('is-success') }
 8    specify { expect(helper.alert_class_for('notice')).to eql('is-success') }
 9    specify { expect(helper.alert_class_for(:warning)).to eql('is-warning') }
10    specify { expect(helper.alert_class_for(:error)).to eql('is-danger') }
11    specify { expect(helper.alert_class_for(:info)).to eql('is-info') }
12  end
13
14  describe "#flash_error_messages_for" do
15    context "when the item is an array of strings" do
16      it 'returns the array of strings' do
17        expect(helper.flash_error_messages_for(['error'])).to match_array(['error'])
18      end
19
20      context "when the item is a single string" do
21        it 'returns an array of strings when' do
22          expect(helper.flash_error_messages_for('error')).to match_array(['error'])
23        end
24      end
25
26      context "when the item is an instance of ActiveModel::Errors" do
27        let(:user_class) do
28          Class.new do
29            extend ActiveModel::Naming
30            attr_reader :email, :password
31
32            def read_attribute_for_validation(attr)
33              send(attr)
34            end
35
36            def self.human_attribute_name(attr, _options = {})
37              attr.to_s.titleize
38            end
39
40            def self.lookup_ancestors
41              [self]
42            end
43          end
44        end
45        let(:user) { user_class.new }
46        let(:errors) do
47          errors = ActiveModel::Errors.new(user)
48          errors.add(:email, 'has already been taken.')
49          errors.add(:password, 'must contain at least one upper case character.')
50          errors.add(:password, 'must contain at least one numeric character.')
51          errors
52        end
53
54        specify do
55          expect(helper.flash_error_messages_for(errors)).to match_array([
56            'Email has already been taken.',
57            'Password must contain at least one upper case character. Password must contain at least one numeric character.',
58          ])
59        end
60      end
61    end
62  end
63end