test_templates.py 文件源码

def test_extract_jinja_error_undefined_variable(data_dir):
    tpl_name = 'template.txt'
    tpl_path = data_dir.join(tpl_name)
    try:
        templates.render(unicode(data_dir), tpl_name, {})
    except jinja2.UndefinedError:
        stack, error = templates.extract_jinja_error(sys.exc_info())
    assert stack == [
        '  File "%s", line 1' % tpl_path,
        '    My name is {{ name }}',
    ]
    assert error == "Undefined variable: 'name' is undefined"