def test_attachment(self, catch_deprecation_warnings):
        app = flask.Flask(__name__)
        with catch_deprecation_warnings() as captured:
            with app.test_request_context():
                f = open(os.path.join(app.root_path, 'static/index.html'))
                rv = flask.send_file(f, as_attachment=True)
                value, options = parse_options_header(rv.headers['Content-Disposition'])
                assert value == 'attachment'
                rv.close()
            # mimetypes + etag
            assert len(captured) == 2

        with app.test_request_context():
            assert options['filename'] == 'index.html'
            rv = flask.send_file('static/index.html', as_attachment=True)
            value, options = parse_options_header(rv.headers['Content-Disposition'])
            assert value == 'attachment'
            assert options['filename'] == 'index.html'
            rv.close()

        with app.test_request_context():
            rv = flask.send_file(StringIO('Test'), as_attachment=True,
                                 attachment_filename='index.txt',
                                 add_etags=False)
            assert rv.mimetype == 'text/plain'
            value, options = parse_options_header(rv.headers['Content-Disposition'])
            assert value == 'attachment'
            assert options['filename'] == 'index.txt'
            rv.close()

 def test_parse_options_header(self):
     assert http.parse_options_header('something; foo="other\"thing"') == \
         ('something', {'foo': 'other"thing'})
     assert http.parse_options_header('something; foo="other\"thing"; meh=42') == \
         ('something', {'foo': 'other"thing', 'meh': '42'})
     assert http.parse_options_header('something; foo="other\"thing"; meh=42; bleh') == \
         ('something', {'foo': 'other"thing', 'meh': '42', 'bleh': None})

    def test_attachment(self):
        app = flask.Flask(__name__)
        with catch_warnings() as captured:
            with app.test_request_context():
                f = open(os.path.join(app.root_path, "static/index.html"))
                rv = flask.send_file(f, as_attachment=True)
                value, options = parse_options_header(rv.headers["Content-Disposition"])
                self.assert_equal(value, "attachment")
                rv.close()
            # mimetypes + etag
            self.assert_equal(len(captured), 2)

        with app.test_request_context():
            self.assert_equal(options["filename"], "index.html")
            rv = flask.send_file("static/index.html", as_attachment=True)
            value, options = parse_options_header(rv.headers["Content-Disposition"])
            self.assert_equal(value, "attachment")
            self.assert_equal(options["filename"], "index.html")
            rv.close()

        with app.test_request_context():
            rv = flask.send_file(StringIO("Test"), as_attachment=True, attachment_filename="index.txt", add_etags=False)
            self.assert_equal(rv.mimetype, "text/plain")
            value, options = parse_options_header(rv.headers["Content-Disposition"])
            self.assert_equal(value, "attachment")
            self.assert_equal(options["filename"], "index.txt")
            rv.close()

 def test_parse_options_header_value_with_quotes(self):
     assert http.parse_options_header(
         'form-data; name="file"; filename="t\'es\'t.txt"'
     ) == ('form-data', {'name': 'file', 'filename': "t'es't.txt"})
     assert http.parse_options_header(
         'form-data; name="file"; filename*=UTF-8\'\'"\'