def test_build_page_error(self, site_dir, mock_write_file): cfg = load_config(site_dir=site_dir, nav=['index.md'], plugins=[]) files = Files([ File( 'index.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls'], ), ]) nav = get_navigation(files, cfg) page = files.documentation_pages()[0].page # Fake populate page page.title = 'Title' page.source = 'page content' page.content = '<p>page content</p>' with self.assertLogs('mkdocs', level='ERROR') as cm: self.assertRaises( OSError, build._build_page, page, cfg, files, nav, cfg['theme'].get_env(), ) self.assertEqual( cm.output, [ "ERROR:mkdocs.commands.build:Error building page 'index.md': Error message." ], ) self.assert_mock_called_once(mock_write_file)
def test_build_page_dirty_not_modified(self, site_dir, mock_write_file): cfg = load_config(site_dir=site_dir, nav=['testing.md'], plugins=[]) files = Files([ File( 'testing.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls'], ), ]) nav = get_navigation(files, cfg) page = files.documentation_pages()[0].page # Fake populate page page.title = 'Title' page.source = 'page content' page.content = '<p>page content</p>' build._build_page( page, cfg, files, nav, cfg['theme'].get_env(), dirty=True, ) self.assert_mock_called_once(mock_write_file)
def test_populate_page_read_error(self, docs_dir, mock_open): cfg = load_config(docs_dir=docs_dir) file = File( 'missing.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls'], ) page = Page('Foo', file, cfg) with self.assertLogs('mkdocs', level='ERROR') as cm: self.assertRaises( OSError, build._populate_page, page, cfg, Files([file]), ) self.assertEqual( cm.output, [ 'ERROR:mkdocs.structure.pages:File not found: missing.md', "ERROR:mkdocs.commands.build:Error reading page 'missing.md': Error message.", ], ) self.assert_mock_called_once(mock_open)
def test_nav_bad_links(self): nav_cfg = [{ 'Home': 'index.md' }, { 'Missing': 'missing.html' }, { 'Bad External': 'example.com' }] expected = dedent(""" Page(title='Home', url='/') Link(title='Missing', url='missing.html') Link(title='Bad External', url='example.com') """) cfg = load_config(nav=nav_cfg, site_url='http://example.com/') files = Files([ File('index.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']) ]) with self.assertLogs('mkdocs', level='WARNING') as cm: site_navigation = get_navigation(files, cfg) self.assertEqual(cm.output, [ "WARNING:mkdocs.structure.nav:A relative path to 'missing.html' is included " "in the 'nav' configuration, which is not found in the documentation files", "WARNING:mkdocs.structure.nav:A relative path to 'example.com' is included " "in the 'nav' configuration, which is not found in the documentation files" ]) self.assertEqual(str(site_navigation).strip(), expected) self.assertEqual(len(site_navigation.items), 3) self.assertEqual(len(site_navigation.pages), 1)
def test_nested_ungrouped_nav(self): nav_cfg = [ { 'Home': 'index.md' }, { 'Contact': 'about/contact.md' }, { 'License Title': 'about/sub/license.md' }, ] expected = dedent(""" Page(title='Home', url='/') Page(title='Contact', url='/about/contact/') Page(title='License Title', url='/about/sub/license/') """) cfg = load_config(nav=nav_cfg, site_url='http://example.com/') files = Files([ File( list(item.values())[0], cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']) for item in nav_cfg ]) site_navigation = get_navigation(files, cfg) self.assertEqual(str(site_navigation).strip(), expected) self.assertEqual(len(site_navigation.items), 3) self.assertEqual(len(site_navigation.pages), 3)
def test_nav_external_links(self): nav_cfg = [{ 'Home': 'index.md' }, { 'Local': '/local.html' }, { 'External': 'http://example.com/external.html' }] expected = dedent(""" Page(title='Home', url='/') Link(title='Local', url='/local.html') Link(title='External', url='http://example.com/external.html') """) cfg = load_config(nav=nav_cfg, site_url='http://example.com/') files = Files([ File('index.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']) ]) with self.assertLogs('mkdocs', level='DEBUG') as cm: site_navigation = get_navigation(files, cfg) self.assertEqual(cm.output, [ "DEBUG:mkdocs.structure.nav:An absolute path to '/local.html' is included in the " "'nav' configuration, which presumably points to an external resource.", "DEBUG:mkdocs.structure.nav:An external link to 'http://example.com/external.html' " "is included in the 'nav' configuration." ]) self.assertEqual(str(site_navigation).strip(), expected) self.assertEqual(len(site_navigation.items), 3) self.assertEqual(len(site_navigation.pages), 1)
def test_context_extra_css_js_from_nested_page_use_directory_urls(self): nav_cfg = [ { 'Home': 'index.md' }, { 'Nested': 'foo/bar.md' }, ] cfg = load_config( nav=nav_cfg, extra_css=['style.css'], extra_javascript=['script.js'], ) files = Files([ File( 'index.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls'], ), File( 'foo/bar.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls'], ), ]) nav = get_navigation(files, cfg) context = build.get_context(nav, files, cfg, nav.pages[1]) self.assertEqual(context['extra_css'], ['../../style.css']) self.assertEqual(context['extra_javascript'], ['../../script.js'])
def test_context_base_url_nested_page(self): nav_cfg = [ { 'Home': 'index.md' }, { 'Nested': 'foo/bar.md' }, ] cfg = load_config(nav=nav_cfg, use_directory_urls=False) files = Files([ File( 'index.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls'], ), File( 'foo/bar.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls'], ), ]) nav = get_navigation(files, cfg) context = build.get_context(nav, files, cfg, nav.pages[1]) self.assertEqual(context['base_url'], '..')
def test_build_page(self, site_dir): cfg = load_config(site_dir=site_dir, nav=['index.md'], plugins=[]) files = Files([ File( 'index.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls'], ), ]) nav = get_navigation(files, cfg) page = files.documentation_pages()[0].page # Fake populate page page.title = 'Title' page.source = 'page content' page.content = '<p>page content</p>' build._build_page(page, cfg, files, nav, cfg['theme'].get_env()) self.assertPathIsFile(site_dir, 'index.html')
def test_get_by_type_nested_sections(self): nav_cfg = [{'Section 1': [{'Section 2': [{'Page': 'page.md'}]}]}] cfg = load_config(nav=nav_cfg, site_url='http://example.com/') files = Files([ File('page.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']) ]) site_navigation = get_navigation(files, cfg) self.assertEqual(len(_get_by_type(site_navigation, Section)), 2)
def test_populate_page(self, docs_dir): cfg = load_config(docs_dir=docs_dir) file = File( 'index.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls'], ) page = Page('Foo', file, cfg) build._populate_page(page, cfg, Files([file])) self.assertEqual(page.content, '<p>page content</p>')
def test_build_extra_template(self): cfg = load_config() files = Files([ File( 'foo.html', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls'], ), ]) build._build_extra_template('foo.html', files, cfg, mock.Mock())
def get_rendered_result(self, files): cfg = load_config(docs_dir=self.DOCS_DIR) fs = [] for f in files: fs.append( File(f.replace('/', os.sep), cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls'])) pg = Page('Foo', fs[0], cfg) pg.read_source(cfg) pg.render(cfg, Files(fs)) return pg.content
def test_populate_page_dirty_not_modified(self, site_dir, docs_dir): cfg = load_config(docs_dir=docs_dir, site_dir=site_dir) file = File( 'index.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls'], ) page = Page('Foo', file, cfg) build._populate_page(page, cfg, Files([file]), dirty=True) # Content is empty as file read was skipped self.assertEqual(page.source, None) self.assertEqual(page.content, None)
def test_populate_page_dirty_modified(self, site_dir): cfg = load_config(site_dir=site_dir) file = File( 'testing.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls'], ) page = Page('Foo', file, cfg) build._populate_page(page, cfg, Files([file]), dirty=True) self.assertTrue(page.source.startswith('# Welcome to MkDocs')) self.assertTrue( page.content.startswith( '<h1 id="welcome-to-mkdocs">Welcome to MkDocs</h1>', ), )
def build_page(title, path, config, md_src=''): """ Helper which returns a Page object. """ files = Files([ File( path, config['docs_dir'], config['site_dir'], config['use_directory_urls'], ), ]) page = Page(title, list(files)[0], config) # Fake page.read_source() page.source, page.meta = meta.get_data(md_src) return page, files
def test_nav_no_title(self): nav_cfg = ['index.md', {'About': 'about.md'}] expected = dedent(""" Page(title=[blank], url='/') Page(title='About', url='/about/') """) cfg = load_config(nav=nav_cfg, site_url='http://example.com/') files = Files([ File(nav_cfg[0], cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), File(nav_cfg[1]['About'], cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']) ]) site_navigation = get_navigation(files, cfg) self.assertEqual(str(site_navigation).strip(), expected) self.assertEqual(len(site_navigation.items), 2) self.assertEqual(len(site_navigation.pages), 2)
def test_nav_from_files(self): expected = dedent(""" Page(title=[blank], url='/') Page(title=[blank], url='/about/') """) cfg = load_config(site_url='http://example.com/') files = Files([ File('index.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), File('about.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']) ]) site_navigation = get_navigation(files, cfg) self.assertEqual(str(site_navigation).strip(), expected) self.assertEqual(len(site_navigation.items), 2) self.assertEqual(len(site_navigation.pages), 2) self.assertEqual(repr(site_navigation.homepage), "Page(title=[blank], url='/')")
def test_context_base_url_homepage_use_directory_urls(self): nav_cfg = [ { 'Home': 'index.md' }, ] cfg = load_config(nav=nav_cfg) files = Files([ File( 'index.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls'], ), ]) nav = get_navigation(files, cfg) context = build.get_context(nav, files, cfg, nav.pages[0]) self.assertEqual(context['base_url'], '.')
def test_skip_ioerror_extra_template(self, mock_open): cfg = load_config() files = Files([ File( 'foo.html', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls'], ), ]) with self.assertLogs('mkdocs', level='INFO') as cm: build._build_extra_template('foo.html', files, cfg, mock.Mock()) self.assertEqual( cm.output, [ "WARNING:mkdocs.commands.build:Error reading template 'foo.html': Error message." ], )
def test_nav_missing_page(self): nav_cfg = [{'Home': 'index.md'}] expected = dedent(""" Page(title='Home', url='/') """) cfg = load_config(nav=nav_cfg, site_url='http://example.com/') files = Files([ File('index.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), File('page_not_in_nav.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']) ]) site_navigation = get_navigation(files, cfg) self.assertEqual(str(site_navigation).strip(), expected) self.assertEqual(len(site_navigation.items), 1) self.assertEqual(len(site_navigation.pages), 1) for file in files: self.assertIsInstance(file.page, Page)
def test_nav_no_directory_urls(self): nav_cfg = [{'Home': 'index.md'}, {'About': 'about.md'}] expected = dedent(""" Page(title='Home', url='/index.html') Page(title='About', url='/about.html') """) cfg = load_config(nav=nav_cfg, use_directory_urls=False, site_url='http://example.com/') files = Files([ File( list(item.values())[0], cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']) for item in nav_cfg ]) site_navigation = get_navigation(files, cfg) self.assertEqual(str(site_navigation).strip(), expected) self.assertEqual(len(site_navigation.items), 2) self.assertEqual(len(site_navigation.pages), 2)
def test_skip_extra_template_empty_output(self): cfg = load_config() files = Files([ File( 'foo.html', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls'], ), ]) with self.assertLogs('mkdocs', level='INFO') as cm: build._build_extra_template('foo.html', files, cfg, mock.Mock()) self.assertEqual( cm.output, [ "INFO:mkdocs.commands.build:Template skipped: 'foo.html' generated empty output." ], )
def test_nested_ungrouped_nav_no_titles(self): nav_cfg = ['index.md', 'about/contact.md', 'about/sub/license.md'] expected = dedent(""" Page(title=[blank], url='/') Page(title=[blank], url='/about/contact/') Page(title=[blank], url='/about/sub/license/') """) cfg = load_config(nav=nav_cfg, site_url='http://example.com/') files = Files([ File(item, cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']) for item in nav_cfg ]) site_navigation = get_navigation(files, cfg) self.assertEqual(str(site_navigation).strip(), expected) self.assertEqual(len(site_navigation.items), 3) self.assertEqual(len(site_navigation.pages), 3) self.assertEqual(repr(site_navigation.homepage), "Page(title=[blank], url='/')")
def test_skip_missing_extra_template(self): cfg = load_config() files = Files([ File( 'foo.html', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls'], ), ]) with self.assertLogs('mkdocs', level='INFO') as cm: build._build_extra_template( 'missing.html', files, cfg, mock.Mock(), ) self.assertEqual( cm.output, [ "WARNING:mkdocs.commands.build:Template skipped: 'missing.html' not found in docs_dir." ], )
def test_context_extra_css_js_from_homepage(self): nav_cfg = [ { 'Home': 'index.md' }, ] cfg = load_config( nav=nav_cfg, extra_css=['style.css'], extra_javascript=['script.js'], use_directory_urls=False, ) files = Files([ File( 'index.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls'], ), ]) nav = get_navigation(files, cfg) context = build.get_context(nav, files, cfg, nav.pages[0]) self.assertEqual(context['extra_css'], ['style.css']) self.assertEqual(context['extra_javascript'], ['script.js'])
def test_nav_from_nested_files(self): expected = dedent(""" Page(title=[blank], url='/') Section(title='About') Page(title=[blank], url='/about/license/') Page(title=[blank], url='/about/release-notes/') Section(title='Api guide') Page(title=[blank], url='/api-guide/debugging/') Page(title=[blank], url='/api-guide/running/') Page(title=[blank], url='/api-guide/testing/') Section(title='Advanced') Page(title=[blank], url='/api-guide/advanced/part-1/') """) cfg = load_config(site_url='http://example.com/') files = Files([ File('index.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), File('about/license.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), File('about/release-notes.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), File('api-guide/debugging.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), File('api-guide/running.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), File('api-guide/testing.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), File('api-guide/advanced/part-1.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), ]) site_navigation = get_navigation(files, cfg) self.assertEqual(str(site_navigation).strip(), expected) self.assertEqual(len(site_navigation.items), 3) self.assertEqual(len(site_navigation.pages), 7) self.assertEqual(repr(site_navigation.homepage), "Page(title=[blank], url='/')")
def test_active(self): nav_cfg = [{ 'Home': 'index.md' }, { 'API Guide': [ { 'Running': 'api-guide/running.md' }, { 'Testing': 'api-guide/testing.md' }, { 'Debugging': 'api-guide/debugging.md' }, { 'Advanced': [ { 'Part 1': 'api-guide/advanced/part-1.md' }, ] }, ] }, { 'About': [{ 'Release notes': 'about/release-notes.md' }, { 'License': 'about/license.md' }] }] cfg = load_config(nav=nav_cfg, site_url='http://example.com/') files = Files([ File('index.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), File('api-guide/running.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), File('api-guide/testing.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), File('api-guide/debugging.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), File('api-guide/advanced/part-1.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), File('about/release-notes.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), File('about/license.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), ]) site_navigation = get_navigation(files, cfg) # Confirm nothing is active self.assertTrue( all(page.active is False for page in site_navigation.pages)) self.assertTrue( all(item.active is False for item in site_navigation.items)) # Activate site_navigation.items[1].children[3].children[0].active = True # Confirm ancestors are activated self.assertTrue( site_navigation.items[1].children[3].children[0].active) self.assertTrue(site_navigation.items[1].children[3].active) self.assertTrue(site_navigation.items[1].active) # Confirm non-ancestors are not activated self.assertFalse(site_navigation.items[0].active) self.assertFalse(site_navigation.items[1].children[0].active) self.assertFalse(site_navigation.items[1].children[1].active) self.assertFalse(site_navigation.items[1].children[2].active) self.assertFalse(site_navigation.items[2].active) self.assertFalse(site_navigation.items[2].children[0].active) self.assertFalse(site_navigation.items[2].children[1].active) # Deactivate site_navigation.items[1].children[3].children[0].active = False # Confirm ancestors are deactivated self.assertFalse( site_navigation.items[1].children[3].children[0].active) self.assertFalse(site_navigation.items[1].children[3].active) self.assertFalse(site_navigation.items[1].active)
def test_files(self): fs = [ File('index.md', '/path/to/docs', '/path/to/site', use_directory_urls=True), File('foo/bar.md', '/path/to/docs', '/path/to/site', use_directory_urls=True), File('foo/bar.html', '/path/to/docs', '/path/to/site', use_directory_urls=True), File('foo/bar.jpg', '/path/to/docs', '/path/to/site', use_directory_urls=True), File('foo/bar.js', '/path/to/docs', '/path/to/site', use_directory_urls=True), File('foo/bar.css', '/path/to/docs', '/path/to/site', use_directory_urls=True) ] files = Files(fs) self.assertEqual([f for f in files], fs) self.assertEqual(len(files), 6) self.assertEqual(files.documentation_pages(), [fs[0], fs[1]]) self.assertEqual(files.static_pages(), [fs[2]]) self.assertEqual(files.media_files(), [fs[3], fs[4], fs[5]]) self.assertEqual(files.javascript_files(), [fs[4]]) self.assertEqual(files.css_files(), [fs[5]]) self.assertEqual(files.get_file_from_path('foo/bar.jpg'), fs[3]) self.assertEqual(files.get_file_from_path('foo/bar.jpg'), fs[3]) self.assertEqual(files.get_file_from_path('missing.jpg'), None) self.assertTrue(fs[2].src_path in files) self.assertTrue(fs[2].src_path in files) extra_file = File('extra.md', '/path/to/docs', '/path/to/site', use_directory_urls=True) self.assertFalse(extra_file.src_path in files) files.append(extra_file) self.assertEqual(len(files), 7) self.assertTrue(extra_file.src_path in files) self.assertEqual(files.documentation_pages(), [fs[0], fs[1], extra_file])
def test_indented_nav(self): nav_cfg = [{ 'Home': 'index.md' }, { 'API Guide': [ { 'Running': 'api-guide/running.md' }, { 'Testing': 'api-guide/testing.md' }, { 'Debugging': 'api-guide/debugging.md' }, { 'Advanced': [ { 'Part 1': 'api-guide/advanced/part-1.md' }, ] }, ] }, { 'About': [{ 'Release notes': 'about/release-notes.md' }, { 'License': '/license.html' }] }, { 'External': 'https://example.com/' }] expected = dedent(""" Page(title='Home', url='/') Section(title='API Guide') Page(title='Running', url='/api-guide/running/') Page(title='Testing', url='/api-guide/testing/') Page(title='Debugging', url='/api-guide/debugging/') Section(title='Advanced') Page(title='Part 1', url='/api-guide/advanced/part-1/') Section(title='About') Page(title='Release notes', url='/about/release-notes/') Link(title='License', url='/license.html') Link(title='External', url='https://example.com/') """) cfg = load_config(nav=nav_cfg, site_url='http://example.com/') files = Files([ File('index.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), File('api-guide/running.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), File('api-guide/testing.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), File('api-guide/debugging.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), File('api-guide/advanced/part-1.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), File('about/release-notes.md', cfg['docs_dir'], cfg['site_dir'], cfg['use_directory_urls']), ]) site_navigation = get_navigation(files, cfg) self.assertEqual(str(site_navigation).strip(), expected) self.assertEqual(len(site_navigation.items), 4) self.assertEqual(len(site_navigation.pages), 6) self.assertEqual(repr(site_navigation.homepage), "Page(title='Home', url='/')") self.assertIsNone(site_navigation.items[0].parent) self.assertEqual(site_navigation.items[0].ancestors, []) self.assertIsNone(site_navigation.items[1].parent) self.assertEqual(site_navigation.items[1].ancestors, []) self.assertEqual(len(site_navigation.items[1].children), 4) self.assertEqual(repr(site_navigation.items[1].children[0].parent), "Section(title='API Guide')") self.assertEqual(site_navigation.items[1].children[0].ancestors, [site_navigation.items[1]]) self.assertEqual(repr(site_navigation.items[1].children[1].parent), "Section(title='API Guide')") self.assertEqual(site_navigation.items[1].children[1].ancestors, [site_navigation.items[1]]) self.assertEqual(repr(site_navigation.items[1].children[2].parent), "Section(title='API Guide')") self.assertEqual(site_navigation.items[1].children[2].ancestors, [site_navigation.items[1]]) self.assertEqual(repr(site_navigation.items[1].children[3].parent), "Section(title='API Guide')") self.assertEqual(site_navigation.items[1].children[3].ancestors, [site_navigation.items[1]]) self.assertEqual(len(site_navigation.items[1].children[3].children), 1) self.assertEqual( repr(site_navigation.items[1].children[3].children[0].parent), "Section(title='Advanced')") self.assertEqual( site_navigation.items[1].children[3].children[0].ancestors, [site_navigation.items[1].children[3], site_navigation.items[1]]) self.assertIsNone(site_navigation.items[2].parent) self.assertEqual(len(site_navigation.items[2].children), 2) self.assertEqual(repr(site_navigation.items[2].children[0].parent), "Section(title='About')") self.assertEqual(site_navigation.items[2].children[0].ancestors, [site_navigation.items[2]]) self.assertEqual(repr(site_navigation.items[2].children[1].parent), "Section(title='About')") self.assertEqual(site_navigation.items[2].children[1].ancestors, [site_navigation.items[2]]) self.assertIsNone(site_navigation.items[3].parent) self.assertEqual(site_navigation.items[3].ancestors, []) self.assertIsNone(site_navigation.items[3].children)