import unittest

from scrapling import Adaptor


class TestParserAutoMatch(unittest.TestCase):

    def test_element_relocation(self):
        """Test relocating element after structure change"""
        original_html = '''
                <div class="container">
                    <section class="products">
                        <article class="product" id="p1">
                            <h3>Product 1</h3>
                            <p class="description">Description 1</p>
                        </article>
                        <article class="product" id="p2">
                            <h3>Product 2</h3>
                            <p class="description">Description 2</p>
                        </article>
                    </section>
                </div>
                '''
        changed_html = '''
                <div class="new-container">
                    <div class="product-wrapper">
                        <section class="products">
                            <article class="product new-class" data-id="p1">
                                <div class="product-info">
                                    <h3>Product 1</h3>
                                    <p class="new-description">Description 1</p>
                                </div>
                            </article>
                            <article class="product new-class" data-id="p2">
                                <div class="product-info">
                                    <h3>Product 2</h3>
                                    <p class="new-description">Description 2</p>
                                </div>
                            </article>
                        </section>
                    </div>
                </div>
                '''

        old_page = Adaptor(original_html, url='example.com', auto_match=True)
        new_page = Adaptor(changed_html, url='example.com', auto_match=True)

        # 'p1' was used as ID and now it's not and all the path elements have changes
        # Also at the same time testing auto-match vs combined selectors
        _ = old_page.css('#p1, #p2', auto_save=True)[0]
        relocated = new_page.css('#p1', auto_match=True)

        self.assertIsNotNone(relocated)
        self.assertEqual(relocated[0].attrib['data-id'], 'p1')
        self.assertTrue(relocated[0].has_class('new-class'))
        self.assertEqual(relocated[0].css('.new-description')[0].text, 'Description 1')