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import pytest
from django import forms
from crispy_forms.bootstrap import AppendedText
from crispy_forms.exceptions import DynamicError
from crispy_forms.helper import FormHelper, FormHelpersException
from crispy_forms.layout import HTML, Div, Field, Fieldset, Layout, MultiField, Pointer
from .forms import SampleForm
def test_wrap_all_fields():
helper = FormHelper()
layout = Layout("email", "password1", "password2")
helper.layout = layout
helper.all().wrap(Field, css_class="test-class")
for field in layout.fields:
assert isinstance(field, Field)
assert field.attrs["class"] == "test-class"
assert layout[0][0] == "email"
assert layout[1][0] == "password1"
assert layout[2][0] == "password2"
def test_wrap_selected_fields():
helper = FormHelper()
layout = Layout("email", "password1", "password2")
helper.layout = layout
helper[1:3].wrap(Field, css_class="test-class")
assert not isinstance(layout.fields[0], Field)
assert isinstance(layout.fields[1], Field)
assert isinstance(layout.fields[2], Field)
helper[0].wrap(Fieldset, "legend", css_class="test-class")
assert isinstance(layout[0], Fieldset)
assert layout[0].legend == "legend"
assert layout[0][0] == "email"
def test_wrap_together_with_slices():
helper = FormHelper()
layout = Layout("email", "password1", "password2")
helper.layout = layout
helper[1:3].wrap_together(Field, css_class="test-class")
assert layout.fields[0] == "email"
assert isinstance(layout.fields[1], Field)
assert layout.fields[1][0] == "password1"
assert layout.fields[1][1] == "password2"
layout = Layout(
Div("email"),
"password1",
"password2",
)
helper.layout = layout
helper[0:3].wrap_together(Field, css_class="test-class")
assert isinstance(layout.fields[0], Field)
assert isinstance(layout.fields[0][0], Div)
assert layout.fields[0][0][0] == "email"
assert layout.fields[0][1] == "password1"
assert layout.fields[0][2] == "password2"
layout = Layout("email", "password1", "password2")
helper.layout = layout
helper[0].wrap_together(Field, css_class="test-class")
assert isinstance(layout.fields[0], Field)
assert layout.fields[1] == "password1"
assert layout.fields[2] == "password2"
layout = Layout("email", "password1", "password2")
helper.layout = layout
helper[0].wrap_together(Fieldset, "legend", css_class="test-class")
assert isinstance(layout.fields[0], Fieldset)
assert layout.fields[0].legend == "legend"
assert layout.fields[1] == "password1"
assert layout.fields[2] == "password2"
def test_wrap_together_partial_slices():
helper = FormHelper()
layout = Layout("email", "password1", "password2")
helper.layout = layout
helper[:2].wrap_together(Field, css_class="test-class")
assert isinstance(layout.fields[0], Field)
assert layout.fields[1] == "password2"
assert layout.fields[0][0] == "email"
assert layout.fields[0][1] == "password1"
helper = FormHelper()
layout = Layout("email", "password1", "password2")
helper.layout = layout
helper[1:].wrap_together(Field, css_class="test-class")
assert layout.fields[0] == "email"
assert isinstance(layout.fields[1], Field)
assert layout.fields[1][0] == "password1"
assert layout.fields[1][1] == "password2"
def test_update_attributes():
helper = FormHelper()
helper.layout = Layout("email", Field("password1"), "password2")
helper["password1"].update_attributes(readonly=True)
assert "readonly" in helper.layout[1].attrs
def test_update_attributes_and_wrap_once():
helper = FormHelper()
layout = Layout("email", Field("password1"), "password2")
helper.layout = layout
helper.filter(Field).update_attributes(readonly=True)
assert isinstance(layout[1], Field)
assert layout[1].attrs == {"readonly": True}
layout = Layout(
"email",
Div(Field("password1")),
"password2",
)
helper.layout = layout
helper.filter(Field, max_level=2).update_attributes(readonly=True)
assert isinstance(layout[1][0], Field)
assert layout[1][0].attrs == {"readonly": True}
layout = Layout(
"email",
Div(Field("password1")),
"password2",
)
helper.layout = layout
helper.filter(str, greedy=True).wrap_once(Field)
helper.filter(Field, greedy=True).update_attributes(readonly=True)
assert isinstance(layout[0], Field)
assert isinstance(layout[1][0], Field)
assert isinstance(layout[1][0][0], str)
assert isinstance(layout[2], Field)
assert layout[1][0].attrs == {"readonly": True}
assert layout[0].attrs == {"readonly": True}
assert layout[2].attrs == {"readonly": True}
def test_get_layout_objects():
layout_1 = Layout(Div())
assert layout_1.get_layout_objects(Div) == [Pointer([0], "div")]
layout_2 = Layout(Div(Div(Div("email")), Div("password1"), "password2"))
assert layout_2.get_layout_objects(Div) == [Pointer([0], "div")]
assert layout_2.get_layout_objects(Div, max_level=1) == [
Pointer([0], "div"),
Pointer([0, 0], "div"),
Pointer([0, 1], "div"),
]
assert layout_2.get_layout_objects(Div, max_level=2) == [
Pointer([0], "div"),
Pointer([0, 0], "div"),
Pointer([0, 0, 0], "div"),
Pointer([0, 1], "div"),
]
layout_3 = Layout(
"email",
Div("password1"),
"password2",
)
assert layout_3.get_layout_objects(str, max_level=2) == [
Pointer([0], "email"),
Pointer([1, 0], "password1"),
Pointer([2], "password2"),
]
layout_4 = Layout(
Div(
Div("field_name"),
"field_name2",
),
Div("password"),
"extra_field",
)
assert layout_4.get_layout_objects(Div) == [Pointer([0], "div"), Pointer([1], "div")]
assert layout_4.get_layout_objects(Div, max_level=1) == [
Pointer([0], "div"),
Pointer([0, 0], "div"),
Pointer([1], "div"),
]
def test_filter_and_wrap():
helper = FormHelper()
layout = Layout(
"email",
Div("password1"),
"password2",
)
helper.layout = layout
helper.filter(str).wrap(Field, css_class="test-class")
assert isinstance(layout.fields[0], Field)
assert isinstance(layout.fields[1], Div)
assert isinstance(layout.fields[2], Field)
assert layout[2][0] == "password2"
# Wrapping a div in a div
helper.filter(Div).wrap(Div, css_class="test-class")
assert isinstance(layout.fields[1], Div)
assert isinstance(layout.fields[1].fields[0], Div)
assert layout[1][0][0] == "password1"
def test_filter_and_wrap_side_effects():
helper = FormHelper()
layout = Layout(
Div(
"extra_field",
Div("password1"),
),
)
helper.layout = layout
with pytest.raises(DynamicError):
helper.filter(Div, max_level=2).wrap(Div, css_class="test-class")
def test_get_field_names():
layout_1 = Div("field_name")
assert layout_1.get_field_names() == [Pointer([0], "field_name")]
layout_2 = Div(Div("field_name"))
assert layout_2.get_field_names() == [Pointer([0, 0], "field_name")]
layout_3 = Div(Div("field_name"), "password")
assert layout_3.get_field_names() == [Pointer([0, 0], "field_name"), Pointer([1], "password")]
layout_4 = Div(
Div(
Div("field_name"),
"field_name2",
),
Div("password"),
"extra_field",
)
assert layout_4.get_field_names() == [
Pointer([0, 0, 0], "field_name"),
Pointer([0, 1], "field_name2"),
Pointer([1, 0], "password"),
Pointer([2], "extra_field"),
]
layout_5 = Div(
Div(
"field_name",
"field_name2",
),
"extra_field",
)
assert layout_5.get_field_names() == [
Pointer([0, 0], "field_name"),
Pointer([0, 1], "field_name2"),
Pointer([1], "extra_field"),
]
def test_layout_get_field_names():
layout_1 = Layout(Div("field_name"), "password")
assert layout_1.get_field_names() == [
Pointer([0, 0], "field_name"),
Pointer([1], "password"),
]
layout_2 = Layout(Div("field_name"), "password", Fieldset("legend", "extra_field"))
assert layout_2.get_field_names() == [
Pointer([0, 0], "field_name"),
Pointer([1], "password"),
Pointer([2, 0], "extra_field"),
]
layout_3 = Layout(Div(Div(Div("email")), Div("password1"), "password2"))
assert layout_3.get_field_names() == [
Pointer([0, 0, 0, 0], "email"),
Pointer([0, 1, 0], "password1"),
Pointer([0, 2], "password2"),
]
def test_filter_by_widget(advanced_layout):
form = SampleForm()
form.helper.layout = advanced_layout
assert form.helper.filter_by_widget(forms.PasswordInput).slice == [
Pointer([0, 1, 0, 0], "password1"),
Pointer([0, 4, 0], "password2"),
]
def test_exclude_by_widget(advanced_layout):
form = SampleForm()
form.helper.layout = advanced_layout
assert form.helper.exclude_by_widget(forms.PasswordInput).slice == [
Pointer([0, 0, 0, 0], "email"),
Pointer([0, 3, 0], "first_name"),
Pointer([1], "last_name"),
]
def test_exclude_by_widget_and_wrap(advanced_layout):
form = SampleForm()
form.helper.layout = advanced_layout
form.helper.exclude_by_widget(forms.PasswordInput).wrap(Field, css_class="hero")
# Check wrapped fields
assert isinstance(form.helper.layout[0][0][0][0], Field)
assert isinstance(form.helper.layout[0][3][0], Field)
assert isinstance(form.helper.layout[1], Field)
# Check others stay the same
assert isinstance(form.helper.layout[0][3][1], HTML)
assert isinstance(form.helper.layout[0][1][0][0], str)
assert isinstance(form.helper.layout[0][4][0], str)
def test_all_without_layout():
form = SampleForm()
form.helper = FormHelper() # reset helper to remove default layout
with pytest.raises(FormHelpersException):
form.helper.all().wrap(Div)
def test_filter_by_widget_without_form(advanced_layout):
form = SampleForm()
form.helper = FormHelper() # reset helper to remove default layout
form.helper.layout = advanced_layout
with pytest.raises(FormHelpersException):
form.helper.filter_by_widget(forms.PasswordInput)
def test_formhelper__getitem__():
helper = FormHelper()
layout = Layout(
Div("email"),
"password1",
)
helper.layout = layout
helper["email"].wrap(Field, css_class="hero")
assert isinstance(layout[0][0], Field)
assert layout[0][0][0] == "email"
helper = FormHelper()
helper.layout = Layout("password1")
helper["password1"].wrap(AppendedText, "extra")
assert isinstance(helper.layout[0], AppendedText)
assert helper.layout[0][0] == "password1"
assert helper.layout[0].text == "extra"
def test_formhelper__setitem__():
helper = FormHelper()
layout = Layout("first_field", Div("email"))
helper.layout = layout
helper[0] = "replaced"
assert layout[0] == "replaced"
def test_formhelper__delitem__and__len__():
helper = FormHelper()
layout = Layout("first_field", Div("email"))
helper.layout = layout
del helper[0]
assert len(helper) == 1
def test__delitem__and__len__layout_object():
layout = Layout("first_field", Div("email"))
del layout[0]
assert len(layout) == 1
def test__getitem__layout_object():
layout = Layout(Div(Div(Div("email")), Div("password1"), "password2"))
assert isinstance(layout[0], Div)
assert isinstance(layout[0][0], Div)
assert isinstance(layout[0][0][0], Div)
assert isinstance(layout[0][1], Div)
assert isinstance(layout[0][1][0], str)
assert isinstance(layout[0][2], str)
def test__getattr__append_layout_object():
layout = Layout(Div("email"))
layout.append("password1")
assert isinstance(layout[0], Div)
assert isinstance(layout[0][0], str)
assert isinstance(layout[1], str)
def test__setitem__layout_object():
layout = Layout(Div("email"))
layout[0][0] = "password1"
assert isinstance(layout[0], Div)
assert layout[0][0] == "password1"
def test_filter():
helper = FormHelper()
helper.layout = Layout(
Div(
MultiField("field_name"),
"field_name2",
),
Div("password"),
"extra_field",
)
assert helper.filter(Div, MultiField).slice == [Pointer([0], "div"), Pointer([1], "div")]
assert helper.filter(Div, MultiField, max_level=1).slice == [
Pointer([0], "div"),
Pointer([0, 0], "multifield"),
Pointer([1], "div"),
]
assert helper.filter(MultiField, max_level=1).slice == [Pointer([0, 0], "multifield")]
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