[webconfig] fallback to default configs if https ones are not defined
When cubicweb serves a request with an https scheme, it tries to access
``https_uiprops`` and ``https_datadir_urls``. However if those are not defined we
should fallback to unsecure url instead of crashing with a traceback.
There are very valid usecases for undefined https url. For example if your
``base_url``, ``datadir_url`` and uiprops content are already https urls.
Closes #2786643
fromcubicweb.devtoolsimportDEFAULT_SOURCESLOGIN,PASSWORD=DEFAULT_SOURCES['admin'].itervalues()# Generated by the windmill services transformerfromwindmill.authoringimportWindmillTestClientdeftest_edit_relation():client=WindmillTestClient(__name__)client.open(url=u'/logout')client.open(url=u'/')client.asserts.assertJS(js=u"$('#loginForm').is(':visible')")client.type(text=LOGIN,id=u'__login')client.type(text=PASSWORD,id=u'__password')client.execJS(js=u"$('#loginForm').submit()")client.waits.forPageLoad(timeout=u'20000')client.open(url=u'/add/Folder')client.waits.forPageLoad(timeout=u'20000')client.waits.forElement(timeout=u'8000',id=u'name-subject:A')client.click(id=u'name-subject:A')client.type(text=u'folder1',id=u'name-subject:A')client.click(value=u'button_ok')client.waits.forPageLoad(timeout=u'20000')client.waits.forElement(link=u'add add Folder filed_under Folder object',timeout=u'8000')client.click(link=u'add add Folder filed_under Folder object')client.waits.forPageLoad(timeout=u'20000')client.waits.forElement(timeout=u'8000',id=u'name-subject:A')client.click(id=u'name-subject:A')client.type(text=u'subfolder1',id=u'name-subject:A')client.click(value=u'button_ok')client.waits.forPageLoad(timeout=u'20000')client.waits.forElement(link=u'more actions',timeout=u'8000')client.click(link=u'more actions')client.click(link=u'copy')client.waits.forPageLoad(timeout=u'20000')client.type(text=u'folder2',id=u'name-subject:A')client.click(value=u'button_ok')client.waits.forPageLoad(timeout=u'20000')client.waits.forElement(link=u'modify',timeout=u'8000')client.click(link=u'modify')client.waits.forPageLoad(timeout=u'20000')client.waits.forElement(timeout=u'8000',id=u'footer')client.click(link=u'x')client.click(value=u'button_ok')client.waits.forPageLoad(timeout=u'20000')client.waits.forElement(link=u'add add Folder filed_under Folder object',timeout=u'8000')client.click(link=u'add add Folder filed_under Folder object')client.waits.forPageLoad(timeout=u'20000')client.type(text=u'subfolder2',id=u'name-subject:A')client.click(value=u'button_ok')client.waits.forPageLoad(timeout=u'20000')client.waits.forElement(link=u'subfolder2',timeout=u'8000')client.click(link=u'subfolder2')client.waits.forPageLoad(timeout=u'20000')client.waits.forElement(link=u'modify',timeout=u'8000')client.click(link=u'modify')client.waits.forPageLoad(timeout=u'20000')client.waits.forElement(timeout=u'8000',id=u'footer')client.click(link=u'x')client.select(xpath=u'//select',index=u'1')#client.execJQuery(jquery=u'("select").trigger(\'change\')') # BUGGY freeze UI..client.execJS(js=u'$("select").trigger(\'change\')')client.waits.sleep(milliseconds=u'2000')client.select(jquery=u'(\'select:contains("Search")\')[0]',option=u'Search for folder')client.waits.forPageLoad(timeout=u'20000')client.click(link=u'folder1')client.waits.forPageLoad(timeout=u'20000')client.waits.forElement(timeout=u'8000',value=u'button_ok')client.click(value=u'button_ok')client.waits.forPageLoad(timeout=u'20000')client.asserts.assertText(xpath=u'//h1',validator=u'subfolder2')client.waits.forElement(link=u'folder_plural',timeout=u'8000')client.click(link=u'folder_plural')client.waits.forPageLoad(timeout=u'20000')client.asserts.assertText(jquery=u"('#contentmain div a')[0]",validator=u'folder1')client.asserts.assertText(jquery=u"('#contentmain div a')[1]",validator=u'folder2')client.asserts.assertText(jquery=u"('#contentmain div a')[2]",validator=u'subfolder1')client.asserts.assertText(jquery=u"('#contentmain div a')[3]",validator=u'subfolder2')client.click(link=u'subfolder2')client.click(link=u'modify')client.click(link=u'folder1')