测试使用Flask-WTF validate_on_submit的POST

时间:2016-06-01 21:52:37

标签: python python-2.7 wtforms flask-wtforms

我很难测试POST,在数据库中添加了一个类别,我已经使用Flask_WTF进行验证和CSRF保护。对于我的网站的CRUD操作。我使用过Flask,Flask_WTF和Flask-SQLAlchemy。这是我的第一个独立项目,我发现自己对如何测试Flask-WTForm validate_on_submit函数感到很遗憾。

以下是模型:

class Users(db.Model):
    id = db.Column(db.Integer, primary_key=True, unique=True)
    name = db.Column(db.String(80), nullable=False)
    email = db.Column(db.String(250), unique=True)

class Category(db.Model):
    id = db.Column(db.Integer, primary_key=True, unique=True)
    name = db.Column(db.String(250), nullable=False, unique=True)
    users_id = db.Column(db.Integer, db.ForeignKey('users.id'))

以下表格:

class CategoryForm(Form):
    name = StringField(
        'Name', [validators.Length(min=4, max=250, message="name problem")])

这是控制器:

@category.route('/category/add', methods=['GET', 'POST'])
@login_required
def addCategory():
    """ Add a new category.
        Returns: Redirect Home.
    """
    # Initiate the form.
    form = CategoryForm()
    # On POST of a valid form, add the new category.
    if form.validate_on_submit():
        category = Category(
            form.name.data, login_session['users_id'])
        db.session.add(category)
        db.session.commit()
        flash('New Category %s Successfully Created' % category.name)
        return redirect(url_for('category.showHome'))
    else:
        # Render the form to add the category.
        return render_template('newCategory.html', form=form)

如何使用validate_on_submit函数编写if语句的测试?

2 个答案:

答案 0 :(得分:2)

使用py {test和Delightful testing with pytest and SQLAlchemy推荐的conftest.py,这是一个确认添加类别的测试。

def test_add_category_post(app, session):
    """Does add category post a new category?"""
    TESTEMAIL = "test@test.org"
    TESTUSER = "Joe Test"
    user = Users.query.filter(Users.email==TESTEMAIL).first()
    category = Category(name="Added Category", users_id=user.id)
    form = CategoryForm(formdata=None, obj=category)
    with app.test_client() as c:
        with c.session_transaction() as sess:
            sess['email'] = TESTEMAIL
            sess['username'] = TESTUSER 
            sess['users_id'] = user.id
            response = c.post(
                '/category/add', data=form.data, follow_redirects=True)
    assert response.status_code == 200
    added_category = Category.query.filter(
        Category.name=="Added Category").first()
    assert added_category
    session.delete(added_category)
    session.commit()

请注意,新类别已分配给变量,然后用于创建表单。表格中的数据用于帖子中。

答案 1 :(得分:1)

您应该为应用程序配置不同的配置,具体取决于您是本地的/正在生产的/正在执行单元测试。您可以设置的一种配置是

WTF_CSRF_ENABLED = False

请参见flask-wtforms documentation