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import pytest
from flask import request
from wtforms import StringField
from wtforms.validators import DataRequired
from wtforms.validators import Length
from flask_wtf import FlaskForm
pytest.importorskip("flask_wtf.i18n", reason="Flask-Babel is not installed.")
class NameForm(FlaskForm):
class Meta:
csrf = False
name = StringField(validators=[DataRequired(), Length(min=8)])
def test_no_extension(app, client):
@app.route("/", methods=["POST"])
def index():
form = NameForm()
form.validate()
assert form.name.errors[0] == "This field is required."
client.post("/", headers={"Accept-Language": "zh-CN,zh;q=0.8"})
def test_i18n(app, client):
try:
from flask_babel import Babel
except ImportError:
pytest.skip("Flask-Babel must be installed.")
def get_locale():
return request.accept_languages.best_match(["en", "zh"], "en")
Babel(app, locale_selector=get_locale)
@app.route("/", methods=["POST"])
def index():
form = NameForm()
form.validate()
if not app.config.get("WTF_I18N_ENABLED", True):
assert form.name.errors[0] == "This field is required."
elif not form.name.data:
assert form.name.errors[0] == "该字段是必填字段。"
else:
assert form.name.errors[0] == "字段长度必须至少 8 个字符。"
client.post("/", headers={"Accept-Language": "zh-CN,zh;q=0.8"})
client.post("/", headers={"Accept-Language": "zh"}, data={"name": "short"})
app.config["WTF_I18N_ENABLED"] = False
client.post("/", headers={"Accept-Language": "zh"})
def test_outside_request():
pytest.importorskip("babel")
from flask_wtf.i18n import translations
s = "This field is required."
assert translations.gettext(s) == s
ss = "Field must be at least %(min)d character long."
sp = "Field must be at least %(min)d character long."
assert translations.ngettext(ss, sp, 1) == ss
assert translations.ngettext(ss, sp, 2) == sp
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