def test_detours_and_explicit_return_view(web_fixture):
"""A Detour can also explicitly set the View to return to."""
class UIWithDetour(UserInterface):
def assemble(self):
event = Event(label='Click me')
event.bind('anevent', None)
viewa = self.define_view('/viewa', title='View a')
explicit_return_view = self.define_view('/explicitReturnView', title='Explicit Return View')
detour = self.define_view('/detour', title='Detour')
detour.set_slot('main', FormWithButton.factory(event))
viewa.add_precondition(ViewPreCondition(lambda: False, exception=Detour(detour.as_bookmark(self), return_to=explicit_return_view.as_bookmark(self))))
self.define_return_transition(event, detour)
class MainUI(UserInterface):
def assemble(self):
self.define_page(HTML5Page).use_layout(BasicPageLayout())
self.define_user_interface('/a_ui', UIWithDetour, IdentityDictionary(), name='test_ui')
wsgi_app = web_fixture.new_wsgi_app(site_root=MainUI)
browser = Browser(wsgi_app)
browser.open('/a_ui/viewa')
assert browser.current_url.path == '/a_ui/detour'
browser.click('//input[@type="submit"]')
assert browser.current_url.path == '/a_ui/explicitReturnView'
# The query string is cleared after such a return (it is used to remember where to return to)
assert browser.current_url.query == ''
def test_detour_is_non_reentrant(web_fixture):
"""Once detoured to a View marked as the start of a Detour, a Bookmark to that View itself
will not re-enter the detour.
"""
class MainUI(UserInterface):
def assemble(self):
self.define_page(HTML5Page).use_layout(BasicPageLayout())
step1 = self.define_view('/firstStepOfDetour', title='Step 1', detour=True)
step1.set_slot('main', A.factory_from_bookmark(step1.as_bookmark(self)))
home = self.define_view('/initial', title='View a')
home.set_slot('main', A.factory_from_bookmark(step1.as_bookmark(self)))
wsgi_app = web_fixture.new_wsgi_app(site_root=MainUI)
browser = Browser(wsgi_app)
def locationIsSetToReturnTo(url_path):
return urllib.parse.parse_qs(browser.current_url.query)['returnTo'] == [url_path]
browser.open('/initial')
browser.click(XPath.link().with_text('Step 1'))
assert browser.current_url.path == '/firstStepOfDetour'
assert locationIsSetToReturnTo('http://localhost/initial')
browser.click(XPath.link().with_text('Step 1'))
assert browser.current_url.path == '/firstStepOfDetour'
assert locationIsSetToReturnTo('http://localhost/initial')
def test_posting_to_view(web_fixture):
"""ONLY If a View is writable, may it be POSTed to"""
def disallowed(): return False
class MyForm(Form):
def __init__(self, view):
super().__init__(view, 'myform')
self.define_event_handler(self.events.an_event)
self.add_child(ButtonInput(self, self.events.an_event))
@exposed
def events(self, events):
events.an_event = Event(label='Click me')
class MainUI(UserInterface):
def assemble(self):
self.define_page(HTML5Page).use_layout(BasicPageLayout())
home = self.define_view('/a_view', 'Title', write_check=disallowed)
home.set_slot('main', MyForm.factory())
wsgi_app = web_fixture.new_wsgi_app(site_root=MainUI)
browser = Browser(wsgi_app)
browser.open('/a_view')
browser.click(XPath.button_labelled('Click me'), status=403)
def test_addressbook2(web_fixture, addressbook2_scenario):
browser = Browser(addressbook2_scenario.wsgi_app)
browser.open('/')
browser.type(XPath.input_labelled('Name'), 'John')
browser.type(XPath.input_labelled('Email'), '*****@*****.**')
browser.click(XPath.button_labelled('Save'))
assert browser.is_element_present(XPath.paragraph().including_text('John: [email protected]'))
def test_detour_to_login(web_fixture, party_account_fixture,
workflow_web_fixture):
fixture = workflow_web_fixture
browser = Browser(fixture.wsgi_app)
browser.open('/inbox/')
assert browser.current_url.path == '/accounts/login'
browser.type(XPath.input_labelled('Email'),
party_account_fixture.system_account.email)
browser.type(XPath.input_labelled('Password'),
party_account_fixture.system_account.password)
browser.click(XPath.button_labelled('Log in'))
assert browser.current_url.path == '/inbox/'
def test_take_and_release_task(web_fixture, task_queue_fixture,
workflow_web_fixture):
fixture = workflow_web_fixture
browser = Browser(fixture.wsgi_app)
task = task_queue_fixture.task
take_task_button = XPath.button_labelled('Take')
defer_task_button = XPath.button_labelled('Defer')
release_task_button = XPath.button_labelled('Release')
go_to_task_button = XPath.button_labelled('Go to')
web_fixture.log_in(browser=browser)
browser.open('/inbox/')
browser.click(take_task_button)
assert browser.current_url.path == '/inbox/task/%s' % task.id
browser.click(defer_task_button)
assert browser.current_url.path == '/inbox/'
browser.click(go_to_task_button)
assert browser.current_url.path == '/inbox/task/%s' % task.id
browser.click(release_task_button)
assert browser.current_url.path == '/inbox/'
def test_domain_exception(web_fixture, session_scope_fixture):
"""Typing the wrong password results in an error message being shown to the user."""
browser = Browser(web_fixture.new_wsgi_app(site_root=SessionScopeUI))
user = session_scope_fixture.user
browser.open('/')
browser.click(XPath.link().with_text('Log in'))
browser.type(XPath.input_labelled('Email'), '*****@*****.**')
browser.type(XPath.input_labelled('Password'), 'wrong password')
browser.click(XPath.button_labelled('Log in'))
assert browser.is_element_present(
XPath.div().including_text('The email/password given do not match'))
def test_pageflow1(web_fixture, pageflow1_scenario):
browser = Browser(pageflow1_scenario.wsgi_app)
browser.open('/')
assert browser.is_element_present('//ul[contains(@class,"nav")]')
browser.click(XPath.link().with_text('Add'))
assert browser.current_url.path == '/add'
browser.type(XPath.input_labelled('Name'), 'John')
browser.type(XPath.input_labelled('Email'), '*****@*****.**')
browser.click(XPath.button_labelled('Save'))
assert browser.current_url.path == '/'
assert browser.is_element_present(XPath.paragraph().including_text('John: [email protected]'))
def test_detours_and_return_transitions(web_fixture):
"""Detour is a special exception that will redirect the browser to another View, but it also does the
necessary housekeeping that will allow a return_transition to let the browser return to where the
Detour was thrown."""
fixture = web_fixture
fixture.make_precondition_pass = False
class UIWithDetour(UserInterface):
def assemble(self):
event = Event(label='Click me')
event.bind('anevent', None)
viewa = self.define_view('/viewa', title='View a')
step1 = self.define_view('/firstStepOfDetour', title='Step 1')
step1.set_slot('main', FormWithButton.factory(event))
step2 = self.define_view('/lastStepOfDetour', title='Step 2')
step2.set_slot('main', FormWithButton.factory(event))
viewa.add_precondition(ViewPreCondition(lambda: fixture.make_precondition_pass, exception=Detour(step1.as_bookmark(self))))
self.define_transition(event, step1, step2)
self.define_return_transition(event, step2)
class MainUI(UserInterface):
def assemble(self):
self.define_page(HTML5Page).use_layout(BasicPageLayout())
self.define_user_interface('/a_ui', UIWithDetour, IdentityDictionary(), name='test_ui')
wsgi_app = web_fixture.new_wsgi_app(site_root=MainUI)
browser = Browser(wsgi_app)
fixture.did_something = False
fixture.make_precondition_pass = False
browser.open('/a_ui/viewa')
assert browser.current_url.path == '/a_ui/firstStepOfDetour'
browser.click('//input[@type="submit"]')
assert browser.current_url.path == '/a_ui/lastStepOfDetour'
fixture.make_precondition_pass = True
browser.click('//input[@type="submit"]')
assert browser.current_url.path == '/a_ui/viewa'
# The query string is cleared after such a return (it is used to remember where to return to)
assert browser.current_url.query == ''
def test_transitions_to_parameterised_views_error(web_fixture):
"""If an Event triggers a Transition to a parameterised View, and it was not bound to the arguments
expected by the target View, an error is raised."""
class ModelObject:
@exposed
def events(self, events):
events.an_event = Event(label='Click me')
model_object = ModelObject()
class FormWithIncorrectButtonToParameterisedView(Form):
def __init__(self, view):
super().__init__(view, 'test_events')
self.add_child(ButtonInput(self, model_object.events.an_event.with_arguments(arg1='1', arg2='2')))
class ParameterisedView(UrlBoundView):
def assemble(self, object_key=None):
self.title = 'View for: %s' % object_key
class UIWithParameterisedViews(UserInterface):
def assemble(self):
normal_view = self.define_view('/static', title='Static')
normal_view.set_slot('main', FormWithIncorrectButtonToParameterisedView.factory())
parameterised_view = self.define_view('/dynamic', view_class=ParameterisedView, object_key=Field(required=True))
self.define_transition(model_object.events.an_event, normal_view, parameterised_view)
class MainUI(UserInterface):
def assemble(self):
self.define_page(HTML5Page).use_layout(BasicPageLayout())
self.define_user_interface('/a_ui', UIWithParameterisedViews, IdentityDictionary(), name='test_ui')
wsgi_app = web_fixture.new_wsgi_app(site_root=MainUI)
browser = Browser(wsgi_app)
browser.open('/a_ui/static')
with expected(ProgrammerError):
browser.click(XPath.button_labelled('Click me'))
def test_guards(web_fixture):
"""Guards can be set on Transitions. A Transition is only elegible for firing if its guard is True."""
fixture = web_fixture
fixture.guard_value = None
adjustable_guard = Action(lambda:fixture.guard_value)
false_guard = Action(lambda:False)
class UIWithGuardedTransitions(UserInterface):
def assemble(self):
event = Event(label='Click me')
event.bind('anevent', None)
viewa = self.define_view('/viewa', title='View a')
viewa.set_slot('main', FormWithButton.factory(event))
viewb = self.define_view('/viewb', title='View b')
viewc = self.define_view('/viewc', title='View c')
self.define_transition(event, viewa, viewb, guard=false_guard)
self.define_transition(event, viewa, viewc, guard=adjustable_guard)
class MainUI(UserInterface):
def assemble(self):
self.define_page(HTML5Page).use_layout(BasicPageLayout())
self.define_user_interface('/a_ui', UIWithGuardedTransitions, IdentityDictionary(), name='test_ui')
wsgi_app = web_fixture.new_wsgi_app(site_root=MainUI)
browser = Browser(wsgi_app)
# The transition with True guard is the one followed
fixture.guard_value = True
browser.open('/a_ui/viewa')
browser.click('//input[@value="Click me"]')
assert browser.current_url.path == '/a_ui/viewc'
# If there is no Transition with a True guard, fail
fixture.guard_value = False
browser.open('/a_ui/viewa')
with expected(ProgrammerError):
browser.click('//input[@value="Click me"]')
def test_basic_transition(web_fixture):
"""Transitions express how the browser is ferried between Views in reaction to user-initiated Events."""
fixture = web_fixture
def do_something():
fixture.did_something = True
class UIWithTwoViews(UserInterface):
def assemble(self):
event = Event(label='Click me', action=Action(do_something))
event.bind('anevent', None)
viewa = self.define_view('/viewa', title='View a')
viewa.set_slot('main', FormWithButton.factory(event))
viewb = self.define_view('/viewb', title='View b')
viewb.set_slot('main', FormWithButton.factory(event))
self.define_transition(event, viewa, viewb)
class MainUI(UserInterface):
def assemble(self):
self.define_page(HTML5Page).use_layout(BasicPageLayout())
self.define_user_interface('/a_ui', UIWithTwoViews, IdentityDictionary(), name='test_ui')
wsgi_app = web_fixture.new_wsgi_app(site_root=MainUI)
browser = Browser(wsgi_app)
# The transition works from viewa
fixture.did_something = False
browser.open('/a_ui/viewa')
browser.click('//input[@value="Click me"]')
assert browser.current_url.path == '/a_ui/viewb'
assert fixture.did_something
# The transition does not work from viewb
fixture.did_something = False
browser.open('/a_ui/viewb')
with expected(ProgrammerError):
browser.click('//input[@value="Click me"]')
assert not fixture.did_something
def test_local_transition(web_fixture):
"""A local Transition has its source as its target."""
fixture = web_fixture
def do_something():
fixture.did_something = True
fixture.guard_passes = True
guard = Action(lambda:fixture.guard_passes)
class UIWithAView(UserInterface):
def assemble(self):
event = Event(label='Click me', action=Action(do_something))
event.bind('anevent', None)
viewa = self.define_view('/viewa', title='View a')
viewa.set_slot('main', FormWithButton.factory(event))
self.define_local_transition(event, viewa, guard=guard)
class MainUI(UserInterface):
def assemble(self):
self.define_page(HTML5Page).use_layout(BasicPageLayout())
self.define_user_interface('/a_ui', UIWithAView, IdentityDictionary(), name='test_ui')
wsgi_app = web_fixture.new_wsgi_app(site_root=MainUI)
browser = Browser(wsgi_app)
# The transition works from viewa
fixture.did_something = False
browser.open('/a_ui/viewa')
browser.click('//input[@value="Click me"]')
assert browser.current_url.path == '/a_ui/viewa'
assert fixture.did_something
# But it is also guarded
fixture.guard_passes = False
browser.open('/a_ui/viewa')
with expected(ProgrammerError):
browser.click('//input[@value="Click me"]')
def test_language_menu(web_fixture):
"""A Nav can also be constructed to let a user choose to view the same page in
another of the supported languages."""
class PanelWithMenu(Div):
def __init__(self, view):
super().__init__(view)
self.add_child(Menu(view).with_languages())
self.add_child(P(view, text=_('This is an English sentence.')))
wsgi_app = web_fixture.new_wsgi_app(child_factory=PanelWithMenu.factory())
browser = Browser(wsgi_app)
browser.open('/')
assert browser.is_element_present(XPath.paragraph().including_text('This is an English sentence.'))
browser.click(XPath.link().with_text('Afrikaans'))
assert browser.is_element_present(XPath.paragraph().including_text('Hierdie is \'n sin in Afrikaans.'))
browser.click(XPath.link().with_text('English (United Kingdom)'))
assert browser.is_element_present(XPath.paragraph().including_text('This is an English sentence.'))
def test_adding_an_address(web_fixture):
"""To add a new address, a user clicks on "Add Address" link on the menu, then supplies the
information for the new address and clicks the Save button. Upon successful addition of the
address, the user is returned to the home page where the new address is now listed."""
browser = Browser(web_fixture.new_wsgi_app(site_root=AddressBookUI))
browser.open('/')
browser.click(XPath.link().with_text('Add'))
actual_title = browser.title
assert actual_title == 'Add', 'Expected to be on the Add an address page'
browser.type(XPath.input_labelled('Name'), 'John Doe')
browser.type(XPath.input_labelled('Email'), '*****@*****.**')
browser.click(XPath.button_labelled('Save'))
actual_title = browser.title
assert actual_title == 'Show', 'Expected to be back on the home page after editing'
assert browser.is_element_present(XPath.paragraph().including_text('John Doe: [email protected]')), \
'Expected the newly added address to be listed on the home page'
def test_email_retained(web_fixture, session_scope_fixture):
"""The email address used when last logged in is always pre-populated on the Log in page."""
browser = Browser(web_fixture.new_wsgi_app(site_root=SessionScopeUI))
user = session_scope_fixture.user
browser.open('/')
browser.click(XPath.link().with_text('Log in'))
browser.type(XPath.input_labelled('Email'), '*****@*****.**')
browser.type(XPath.input_labelled('Password'), 'topsecret')
browser.click(XPath.button_labelled('Log in'))
# Go away from the page, then back
browser.click(XPath.link().with_text('Home'))
browser.click(XPath.link().with_text('Log in'))
# .. then the email is still pre-populated
typed_value = browser.get_value(XPath.input_labelled('Email'))
assert typed_value == '*****@*****.**'
def test_parameterised1(web_fixture, parameterised1_scenario):
browser = Browser(parameterised1_scenario.wsgi_app)
browser.open('/')
browser.click(XPath.link().with_text('Add'))
browser.type(XPath.input_labelled('Name'), 'John')
browser.type(XPath.input_labelled('Email'), '*****@*****.**')
browser.click(XPath.button_labelled('Save'))
assert browser.current_url.path == '/'
browser.click(XPath.link().with_text('edit'))
john = Session.query(parameterised1.Address).one()
assert browser.current_url.path == '/edit/%s' % john.id
browser.type(XPath.input_labelled('Name'), 'Johnny')
browser.type(XPath.input_labelled('Email'), '*****@*****.**')
browser.click(XPath.button_labelled('Update'))
assert browser.current_url.path == '/'
assert browser.is_element_present(XPath.paragraph().including_text('Johnny: [email protected]'))
def test_linking_to_views_marked_as_detour(web_fixture):
"""A View can be marked as the start of a Detour. Where used, a Bookmark for such a View
will automatically include a returnTo in the its query string. This allows an
eventual return_transition (or similar) to return to where, eg, a link was clicked from.
This mechanism works for returning across UserInterfaces."""
class UIWithLink(UserInterface):
def assemble(self, bookmark=None):
self.bookmark = bookmark
self.define_view('/initial', title='View a').set_slot('main', A.factory_from_bookmark(self.bookmark))
class UIWithDetour(UserInterface):
def assemble(self):
event = Event(label='Click me')
event.bind('anevent', None)
step1 = self.define_view('/firstStepOfDetour', title='Step 1', detour=True)
step1.set_slot('main', FormWithButton.factory(event))
step2 = self.define_view('/lastStepOfDetour', title='Step 2')
step2.set_slot('main', FormWithButton.factory(event))
self.define_transition(event, step1, step2)
self.define_return_transition(event, step2)
class MainUI(UserInterface):
def assemble(self):
self.define_page(HTML5Page).use_layout(BasicPageLayout())
detour_ui = self.define_user_interface('/uiWithDetour', UIWithDetour, IdentityDictionary(), name='second_ui')
bookmark = detour_ui.get_bookmark(relative_path='/firstStepOfDetour')
self.define_user_interface('/uiWithLink', UIWithLink, IdentityDictionary(), name='first_ui', bookmark=bookmark)
wsgi_app = web_fixture.new_wsgi_app(site_root=MainUI)
browser = Browser(wsgi_app)
browser.open('/uiWithLink/initial')
browser.click('//a')
assert browser.current_url.path == '/uiWithDetour/firstStepOfDetour'
browser.click('//input[@type="submit"]')
assert browser.current_url.path == '/uiWithDetour/lastStepOfDetour'
browser.click('//input[@type="submit"]')
assert browser.current_url.path == '/uiWithLink/initial'
# The query string is cleared after such a return (it is used to remember where to return to)
assert browser.current_url.query == ''
def test_logging_in(web_fixture, session_scope_fixture):
"""A user can log in by going to the Log in page.
The name of the currently logged in user is displayed on the home page."""
browser = Browser(web_fixture.new_wsgi_app(site_root=SessionScopeUI))
user = session_scope_fixture.user
browser.open('/')
browser.click(XPath.link().with_text('Log in'))
browser.type(XPath.input_labelled('Email'), '*****@*****.**')
browser.type(XPath.input_labelled('Password'), 'topsecret')
browser.click(XPath.button_labelled('Log in'))
browser.click(XPath.link().with_text('Home'))
assert browser.is_element_present(
XPath.paragraph().including_text('Welcome John Doe'))
def test_exception_handling(reahl_system_fixture, web_fixture,
sql_alchemy_fixture):
"""When a DomainException happens during the handling of an Event:
The database is rolled back.
The browser is redirected to GET the original view again (not the target).
The screen still displays the values the user initially typed, not those on the ModelObject.
"""
fixture = web_fixture
class ModelObject(Base):
__tablename__ = 'test_event_handling_exception_handling'
id = Column(Integer, primary_key=True)
field_name = Column(Integer)
def handle_event(self):
self.field_name = 1
raise DomainException()
@exposed
def events(self, events):
events.an_event = Event(label='click me',
action=Action(self.handle_event))
@exposed
def fields(self, fields):
fields.field_name = IntegerField(default=3)
with sql_alchemy_fixture.persistent_test_classes(ModelObject):
model_object = ModelObject()
Session.add(model_object)
class MyForm(Form):
def __init__(self, view, name, other_view):
super().__init__(view, name)
self.define_event_handler(model_object.events.an_event,
target=other_view)
self.add_child(ButtonInput(self, model_object.events.an_event))
self.add_child(TextInput(self, model_object.fields.field_name))
class MainUI(UserInterface):
def assemble(self):
self.define_page(HTML5Page).use_layout(BasicPageLayout())
home = self.define_view('/', title='Home page')
other_view = self.define_view('/page2', title='Page 2')
home.set_slot('main', MyForm.factory('myform', other_view))
wsgi_app = fixture.new_wsgi_app(site_root=MainUI)
browser = Browser(
wsgi_app
) # Dont use a real browser, because it will also hit many other URLs for js and css which confuse the issue
browser.open('/')
assert not model_object.field_name
browser.type("//input[@type='text']", '5')
# any database stuff that happened when the form was submitted was rolled back
# with CallMonitor(reahl_system_fixture.system_control.orm_control.rollback) as monitor:
# browser.click(XPath.button_labelled('click me'))
# assert monitor.times_called == 1
browser.click(XPath.button_labelled('click me'))
# the value input by the user is still displayed on the form, NOT the actual value on the model object
assert not model_object.field_name
retained_value = browser.get_value("//input[@type='text']")
assert retained_value == '5'
# the browser is still on the page with the form which triggered the exception
assert browser.current_url.path == '/'
def test_form_preserves_user_input_after_validation_exceptions_multichoice(
web_fixture):
"""When a form is submitted and validation fails on the server, the user
is presented with the values that were originally entered (even if they were invalid)."""
fixture = web_fixture
class ModelObject:
@exposed
def events(self, events):
events.an_event = Event(label='click me')
@exposed
def fields(self, fields):
choices = [
Choice(1, IntegerField(label='One')),
Choice(2, IntegerField(label='Two')),
Choice(3, IntegerField(label='Three'))
]
fields.no_validation_exception_field = MultiChoiceField(
choices, label='Make your invalid choice', default=[])
fields.validation_exception_field = MultiChoiceField(
choices, label='Make your choice', default=[], required=True)
model_object = ModelObject()
class MyForm(Form):
def __init__(self, view):
super().__init__(view, 'my_form')
self.define_event_handler(model_object.events.an_event)
self.add_child(ButtonInput(self, model_object.events.an_event))
select_input = self.add_child(
SelectInput(self,
model_object.fields.no_validation_exception_field))
if select_input.validation_error:
self.add_child(self.create_error_label(select_input))
select_input = self.add_child(
SelectInput(self,
model_object.fields.validation_exception_field))
if select_input.validation_error:
self.add_child(self.create_error_label(select_input))
wsgi_app = web_fixture.new_wsgi_app(child_factory=MyForm.factory())
browser = Browser(wsgi_app)
browser.open('/')
no_validation_exception_input = '//select[@name="my_form-no_validation_exception_field[]"]'
validation_exception_input = '//select[@name="my_form-validation_exception_field[]"]'
browser.select_many(no_validation_exception_input, ['One', 'Two'])
browser.select_none(validation_exception_input
) # select none to trigger the RequiredConstraint
browser.click(XPath.button_labelled('click me'))
assert browser.get_value(no_validation_exception_input) == ['1', '2']
assert not browser.get_value(validation_exception_input)
label = browser.get_html_for('//label')
input_id = browser.get_id_of(validation_exception_input)
assert label == '<label for="%s" class="error">Make your choice is required</label>' % input_id
#2. Submit again ths time not expecting validation exceptions, also expecting the validation error to be cleared and the domain should have all input
browser.select_many(validation_exception_input, ['Two', 'Three'])
browser.click(XPath.button_labelled('click me'))
assert not browser.is_element_present('//label[@class="error"]')
assert browser.get_value(no_validation_exception_input) == ['1', '2']
assert browser.get_value(validation_exception_input) == ['2', '3']
def test_form_input_validation(web_fixture):
"""Validation of input happens in JS on the client, but also on the server if JS is bypassed."""
error_xpath = '//form[contains(@class, "reahl-form")]/label[contains(@class, "error")]'
fixture = web_fixture
class ModelObject:
def handle_event(self):
pass
@exposed
def events(self, events):
events.an_event = Event(label='click me',
action=Action(self.handle_event))
@exposed
def fields(self, fields):
fields.field_name = EmailField()
model_object = ModelObject()
class MyForm(Form):
def __init__(self, view, name, other_view):
super().__init__(view, name)
if self.exception:
self.add_child(
P(view, ','.join(self.exception.detail_messages)))
self.define_event_handler(model_object.events.an_event,
target=other_view)
self.add_child(ButtonInput(self, model_object.events.an_event))
text_input = self.add_child(
TextInput(self, model_object.fields.field_name))
if text_input.validation_error:
self.add_child(self.create_error_label(text_input))
class MainUI(UserInterface):
def assemble(self):
self.define_page(HTML5Page).use_layout(BasicPageLayout())
home = self.define_view('/', title='Home page')
other_view = self.define_view('/page2', title='Page 2')
home.set_slot('main', MyForm.factory('myform', other_view))
wsgi_app = fixture.new_wsgi_app(site_root=MainUI, enable_js=True)
# Case: form validation fails in JS on the client
# - Form submission is blocked
# - Error message is displayed
fixture.reahl_server.set_app(wsgi_app)
fixture.driver_browser.open('/')
fixture.driver_browser.wait_for_element_not_visible(error_xpath)
fixture.driver_browser.type('//input[@type="text"]',
'not@notvalid',
trigger_blur=False,
wait_for_ajax=False)
fixture.driver_browser.press_tab()
fixture.driver_browser.wait_for_element_visible(error_xpath)
with fixture.driver_browser.no_page_load_expected():
fixture.driver_browser.click("//input[@value='click me']")
error_text = fixture.driver_browser.get_text(error_xpath)
assert error_text == 'field_name should be a valid email address'
# .. but the error is removed again upon valid input
fixture.driver_browser.type('//input[@type="text"]', '*****@*****.**')
fixture.driver_browser.wait_for_element_not_visible(error_xpath)
# Case: form validation fails on the server (assuming no JS on the client to block submission)
# - ValidationException is raised (which is dealt with as any DomainException)
browser = Browser(wsgi_app)
browser.open('/')
browser.type('//input[@type="text"]', 'not@notvalid')
browser.click('//input[@type="submit"]')
assert not hasattr(model_object, 'field_name')
label = browser.get_html_for('//label')
input_id = browser.get_id_of('//input[@type="text"]')
assert label == '<label for="%s" class="error">field_name should be a valid email address</label>' % input_id
assert Session.query(UserInput).filter_by(key='myform-field_name').count(
) == 1 # The invalid input was persisted
exception = Session.query(PersistedException).one().exception
assert isinstance(exception, ValidationException) # Is was persisted
assert not exception.commit
# Case: form validation passes (no-js)
# - no ValidationException
# - all input is translated to python and set as values on the model objects
# - any saved input on the form is cleared
browser.type('//input[@type="text"]', '*****@*****.**')
browser.click("//input[@value='click me']")
assert model_object.field_name == '*****@*****.**'
assert Session.query(UserInput).filter_by(
key='myform-field_name').count() == 0 # The invalid input was removed
assert Session.query(
PersistedException).count() == 0 # The exception was removed
assert browser.current_url.path == '/page2'
# Case: form validation passes (js)
# - no ValidationException
# - all input is translated to python and set as values on the model objects
fixture.driver_browser.open('/')
fixture.driver_browser.type('//input[@type="text"]', '*****@*****.**')
fixture.driver_browser.wait_for_element_not_visible(error_xpath)
fixture.driver_browser.click("//input[@value='click me']")
assert model_object.field_name == '*****@*****.**'
assert fixture.driver_browser.current_url.path == '/page2'