Add and test cancel actions to crud views

sapl/crud.py

@@ -73,6 +73,7 @@ def build_crud(model, *layout):
         form_valid_message = _('Registro criado com sucesso!')
         form_invalid_message = make_form_invalid_message(
             _('O registro não foi criado.'))
+        cancel_url = BaseMixin.list_url
 
         def get_success_url(self):
             return self.detail_url
@@ -96,6 +97,9 @@ def build_crud(model, *layout):
         def get_success_url(self):
             return self.detail_url
 
+        def cancel_url(self):
+            return self.detail_url
+
     class CrudDeleteView(BaseMixin, FormMessagesMixin, DeleteView):
         form_valid_message = _('Registro excluído com sucesso!')
         form_invalid_message = make_form_invalid_message(

sapl/layout.py

@@ -1,5 +1,5 @@
 from crispy_forms_foundation.layout import (
-    Div, Layout, Fieldset, Row, Column, Button, Submit)
+    Div, Layout, Fieldset, Row, Column, Button, Submit, HTML)
 from django.utils.translation import ugettext as _
 
 
@@ -29,22 +29,13 @@ def to_fieldsets(fields):
 class SaplFormLayout(Layout):
 
     def __init__(self, *fields):
-        _fields = list(to_fieldsets(fields)) + buttons_crispies()
-        super(SaplFormLayout, self).__init__(*_fields)
-
-
-def buttons_crispies():
-    return [
-        Row(
-            Column(
-                Div(
+        buttons = Div(
+            HTML('<a href="{{ view.cancel_url }}"'
+                 ' class="button radius alert">%s</a>' % _('Cancelar')),
             Submit('submit', _('Enviar'),
                    css_class='button radius success right'),
-                    Button('cancel', _('Cancelar'),
-                           css_class='button radius alert left'),
             css_class='radius clearfix'
-                ),
-                css_class='clearfix'
-            ),
-        ),
-    ]
+        )
+        _fields = list(to_fieldsets(fields)) + \
+            [Row(Column(buttons, css_class='clearfix'))]
+        super(SaplFormLayout, self).__init__(*_fields)

sapl/test_crud.py

@@ -21,6 +21,13 @@ def assert_h1(res, title):
     assert res.html.find('h1').text == title
 
 
+def assert_on_list_page(res):
+    assert_h1(res, 'Comissões')
+    assert 'Adicionar Comissão' in res
+    assert res.html.find('table')
+    # XXX ... characterize better
+
+
 def assert_on_create_page(res):
     assert_h1(res, 'Adicionar Comissão')
     form = res.form
@@ -35,8 +42,9 @@ def assert_on_detail_page(res, stub_name):
     assert 'Excluir Comissão' in res
 
 
-@pytest.mark.parametrize("make_invalid_submit", [True, False])
-def test_flux_list_create_detail(app, make_invalid_submit):
+@pytest.mark.parametrize("cancel, make_invalid_submit", [
+    (a, b) for a in (True, False) for b in (True, False)])
+def test_flux_list_create_detail(app, cancel, make_invalid_submit):
 
     # to have a couple an option for tipo field
     stub_tipo = mommy.make(TipoComissao)
@@ -44,7 +52,8 @@ def test_flux_list_create_detail(app, make_invalid_submit):
     res = app.get('/comissoes/')
 
     # on list page
-    assert_h1(res, 'Comissões')
+    assert_on_list_page(res)
+
     res = res.click('Adicionar Comissão')
     previous_objects = set(Comissao.objects.all())
 
@@ -52,11 +61,20 @@ def test_flux_list_create_detail(app, make_invalid_submit):
     assert_on_create_page(res)
 
     # test bifurcation !
+    if cancel:
+        res = res.click('Cancelar')
+        # back to list page
+        assert_on_list_page(res)
+        # db has not changed
+        assert previous_objects == set(Comissao.objects.all())
+    else:
+        # and a test detour !
         if make_invalid_submit:
             # some fields are required => validation error
             res = res.form.submit()
             'Formulário inválido. O registro não foi criado.' in res
             assert_on_create_page(res)
+            # db has not changed
             assert previous_objects == set(Comissao.objects.all())
 
         # now fill out some fields
@@ -74,8 +92,8 @@ def test_flux_list_create_detail(app, make_invalid_submit):
         res = res.follow()
 
         # on detail page
-    assert 'Registro criado com sucesso!' in res
         assert_on_detail_page(res, stub_name)
+        assert 'Registro criado com sucesso!' in res
         [new_obj] = list(set(Comissao.objects.all()) - previous_objects)
         assert new_obj.nome == stub_name
 
@@ -88,12 +106,22 @@ def get_detail_page(app):
     return stub, res
 
 
-def test_flux_detail_update_detail(app):
+@pytest.mark.parametrize("cancel", [True, False])
+def test_flux_detail_update_detail(app, cancel):
     stub, res = get_detail_page(app)
     res = res.click('Editar Comissão')
 
     # on update page
     assert_h1(res, stub.nome)
+
+    # test bifurcation !
+    if cancel:
+        res = res.click('Cancelar')
+
+        # back to detail page
+        assert_on_detail_page(res, stub.nome)
+        assert Comissao.objects.get(pk=stub.pk).nome == stub.nome
+    else:
         form = res.form
         new_name = '### New Name ###'
         form['nome'] = new_name
@@ -104,8 +132,8 @@ def test_flux_detail_update_detail(app):
         res = res.follow()
 
         # back to detail page
+        assert_on_detail_page(res, new_name)
         assert 'Registro alterado com sucesso!' in res
-    assert_h1(res, new_name)
         assert Comissao.objects.get(pk=stub.pk).nome == new_name
 
 
@@ -123,7 +151,7 @@ def test_flux_detail_delete_list(app, cancel):
         res = res.click('Cancelar')
 
         # back to detail page
-        assert_h1(res, stub.nome)
+        assert_on_detail_page(res, stub.nome)
         assert Comissao.objects.filter(pk=stub.pk)
     else:
         res = res.form.submit()