import pytest
from django.core.exceptions import ValidationError
from django.forms import inlineformset_factory, modelformset_factory
from lxml.html import html5parser
from i18nfield.forms import (
I18nForm, I18nFormField, I18nInlineFormSet, I18nModelFormSet,
I18nTextInput,
)
from i18nfield.strings import LazyI18nString
from .testapp.forms import BookForm, SimpleForm
from .testapp.models import Author, Book
def test_field_defaults():
f = I18nFormField(widget=I18nTextInput)
assert len(f.fields) == 3
assert f.clean(LazyI18nString('Foo')) == LazyI18nString('Foo')
assert f.clean(['A', 'B', 'C']) == LazyI18nString({
'de': 'A', 'en': 'B', 'fr': 'C'
})
def test_limited_locales():
f = I18nFormField(widget=I18nTextInput, locales=['de', 'fr'])
assert len(f.fields) == 2
assert f.clean(['A', 'B']) == LazyI18nString({
'de': 'A', 'fr': 'B'
})
assert f.widget.enabled_locales == ['de', 'fr']
def test_required():
f = I18nFormField(widget=I18nTextInput, required=True)
assert f.clean(['A', ''])
assert f.clean(['', 'B'])
with pytest.raises(ValidationError):
assert f.clean(['', ''])
def test_not_required():
f = I18nFormField(widget=I18nTextInput, required=False)
f.clean(['', ''])
def test_require_all_fields():
f = I18nFormField(widget=I18nTextInput, require_all_fields=True)
assert f.clean(['A', 'B', 'C'])
with pytest.raises(ValidationError):
f.clean(['A', '', ''])
with pytest.raises(ValidationError):
f.clean(['', 'B', ''])
with pytest.raises(ValidationError):
f.clean(['', '', 'C'])
def test_require_all_fields_limited_locales():
f = I18nFormField(widget=I18nTextInput, require_all_fields=True, locales=['de', 'fr'])
assert f.clean(['A', 'B'])
with pytest.raises(ValidationError):
f.clean(['A', ''])
with pytest.raises(ValidationError):
f.clean(['', 'B'])
def test_require_all_fields_limited_locales_in_form():
class SimpleRequiredForm(I18nForm):
title = I18nFormField(widget=I18nTextInput, require_all_fields=True)
sf = SimpleRequiredForm({'title_1': 'A'}, locales=['en']) # de, en, fr
assert sf.is_valid()
sf = SimpleRequiredForm({'title_1': 'A', 'title_2': 'B'}, locales=['en', 'fr']) # de, en, fr
assert sf.is_valid()
sf = SimpleRequiredForm({'title_0': 'A', 'title_1': 'B', 'title_2': 'C'}, locales=['de', 'en', 'fr'])
assert sf.is_valid()
sf = SimpleRequiredForm({'title_1': 'A', 'title_2': ''}, locales=['en', 'fr']) # de, en, fr
assert not sf.is_valid()
sf = SimpleRequiredForm({'title_1': '', 'title_2': 'B'}, locales=['en', 'fr']) # de, en, fr
assert not sf.is_valid()
sf = SimpleRequiredForm({'title_0': 'A', 'title_1': 'B', 'title_2': ''}, locales=['de', 'en', 'fr'])
assert not sf.is_valid()
def test_max_length():
f = I18nFormField(widget=I18nTextInput, required=False, max_length=20)
assert f.clean(['123', ''])
with pytest.raises(ValidationError):
f.clean(['1234567890123456789012', ''])
def test_modelform_pass_locales_down():
bf = BookForm(locales=['de', 'fr'])
assert bf.fields['title'].widget.enabled_locales == ['de', 'fr']
def test_form_pass_locales_down():
sf = SimpleForm(locales=['de', 'fr'])
assert sf.fields['title'].widget.enabled_locales == ['de', 'fr']
@pytest.mark.django_db
def test_modelformset_pass_locales_down():
a = Author.objects.create(name='Tolkien')
title = 'The Lord of the Rings'
abstract = 'Frodo tries to destroy a ring'
Book.objects.create(author=a, title=title, abstract=abstract)
FormSetClass = modelformset_factory(Book, form=BookForm, formset=I18nModelFormSet)
fs = FormSetClass(locales=['de', 'fr'], queryset=Book.objects.all())
assert fs.forms[0].fields['title'].widget.enabled_locales == ['de', 'fr']
assert fs.empty_form.fields['title'].widget.enabled_locales == ['de', 'fr']
@pytest.mark.django_db
def test_inlineformset_pass_locales_down():
a = Author.objects.create(name='Tolkien')
title = 'The Lord of the Rings'
abstract = 'Frodo tries to destroy a ring'
Book.objects.create(author=a, title=title, abstract=abstract)
FormSetClass = inlineformset_factory(Author, Book, form=BookForm, formset=I18nInlineFormSet)
fs = FormSetClass(locales=['de', 'fr'], instance=a)
assert fs.forms[0].fields['title'].widget.enabled_locales == ['de', 'fr']
assert fs.empty_form.fields['title'].widget.enabled_locales == ['de', 'fr']
def test_widget():
f = I18nFormField(widget=I18nTextInput, required=False, localize=True)
rendered = f.widget.render('foo', LazyI18nString({'de': 'Hallo', 'en': 'Hello'}))
tree = html5parser.fromstring(rendered)
assert tree[0].attrib == {
'lang': 'de', 'name': 'foo_0', 'type': 'text', 'value': 'Hallo'
}
assert tree[1].attrib == {
'lang': 'en', 'name': 'foo_1', 'type': 'text', 'value': 'Hello'
}
assert tree[2].attrib == {
'lang': 'fr', 'name': 'foo_2', 'type': 'text'
}
def test_widget_empty():
f = I18nFormField(widget=I18nTextInput, required=False, localize=True)
rendered = f.widget.render('foo', [])
tree = html5parser.fromstring(rendered)
assert tree[0].attrib == {
'lang': 'de', 'name': 'foo_0', 'type': 'text'
}
assert tree[1].attrib == {
'lang': 'en', 'name': 'foo_1', 'type': 'text'
}
assert tree[2].attrib == {
'lang': 'fr', 'name': 'foo_2', 'type': 'text'
}
def test_widget_required():
f = I18nFormField(widget=I18nTextInput, required=True, localize=True)
rendered = f.widget.render('foo', LazyI18nString({'de': 'Hallo', 'en': 'Hello'}))
assert 'required' not in rendered
def test_custom_id():
f = I18nFormField(widget=I18nTextInput, required=True, localize=True)
rendered = f.widget.render('foo', LazyI18nString({'de': 'Hallo', 'en': 'Hello'}), attrs={'id': 'bla'})
assert 'id="bla_0"' in rendered
assert 'id="bla_1"' in rendered
def test_widget_enabled_locales():
f = I18nFormField(widget=I18nTextInput, required=False)
f.widget.enabled_locales = ['de', 'fr']
rendered = f.widget.render('foo', LazyI18nString({'de': 'Hallo', 'en': 'Hello'}))
tree = html5parser.fromstring(rendered)
assert tree[0].attrib == {
'lang': 'de', 'name': 'foo_0', 'type': 'text', 'value': 'Hallo'
}
assert tree[1].attrib == {
'lang': 'fr', 'name': 'foo_2', 'type': 'text'
}
def test_widget_decompress_naive():
f = I18nFormField(widget=I18nTextInput, required=False)
assert f.widget.decompress('Foo') == [
None, 'Foo', None
]
def test_widget_decompress_missing():
f = I18nFormField(widget=I18nTextInput, required=False)
assert f.widget.decompress({'de': 'Hallo', 'en': 'Hello'}) == [
'Hallo', 'Hello', None
]
def test_widget_decompress_all_enabled_missing():
f = I18nFormField(widget=I18nTextInput, required=False)
f.widget.enabled_locales = ['de', 'fr']
assert f.widget.decompress({'en': 'Hello'}) == [
None, 'Hello', 'Hello'
]
def test_widget_decompress_first_two_enabled_not_filled():
f = I18nFormField(widget=I18nTextInput, required=False)
f.widget.enabled_locales = ['de', 'en', 'fr']
assert f.widget.decompress({'fr': 'Bonjour'}) == [
None, None, 'Bonjour'
]
