This PR aims to add `Vary` header in Thumbor response to avoid problems with downstream caches.

Closes https://github.com/thumbor/thumbor/issues/1563
thanks @mpdude 
Should have vary header with auto heif and avif. This PR aims to add `Vary` header in Thumbor response to avoid problems with downstream caches.

Closes https://github.com/thumbor/thumbor/issues/1563
thanks @mpdude 
#!/usr/bin/python
# -*- coding: utf-8 -*-

# thumbor imaging service
# https://github.com/thumbor/thumbor/wiki

# Licensed under the MIT license:
# http://www.opensource.org/licenses/mit-license
# Copyright (c) 2011 globo.com thumbor@googlegroups.com


from libthumbor.url import Url
from preggy import expect

from thumbor.app import ThumborServiceApp
from thumbor.testing import TestCase


class AppTestCase(TestCase):
    def test_can_create_app(self):
        app = ThumborServiceApp(self.context)
        expect(app).not_to_be_null()
        expect(app.context).to_equal(self.context)

    def test_can_get_handlers(self):
        ctx = self.get_context()
        ctx.config.UPLOAD_ENABLED = False
        ctx.config.USE_BLACKLIST = False
        ctx.config.HEALTHCHECK_ROUTE = "/health"
        app = ThumborServiceApp(ctx)

        handlers = app.get_handlers()
        expect(handlers).to_length(2)
        expect(handlers[0][0]).to_equal(r"/health")
        expect(handlers[1][0]).to_equal(Url.regex())

    def test_can_get_handlers_with_upload(self):
        ctx = self.get_context()
        ctx.config.UPLOAD_ENABLED = True
        ctx.config.USE_BLACKLIST = False
        app = ThumborServiceApp(ctx)

        handlers = app.get_handlers()
        expect(handlers).to_length(4)

    def test_can_get_handlers_with_blacklist(self):
        ctx = self.get_context()
        ctx.config.UPLOAD_ENABLED = False
        ctx.config.USE_BLACKLIST = True
        app = ThumborServiceApp(ctx)

        handlers = app.get_handlers()
        expect(handlers).to_length(3)

#!/usr/bin/python
# -*- coding: utf-8 -*-

# thumbor imaging service
# https://github.com/thumbor/thumbor/wiki

# Licensed under the MIT license:
# http://www.opensource.org/licenses/mit-license
# Copyright (c) 2011 globo.com thumbor@googlegroups.com


from libthumbor.url import Url
from preggy import expect

from thumbor.app import ThumborServiceApp
from thumbor.testing import TestCase


class AppTestCase(TestCase):
    def test_can_create_app(self):
        app = ThumborServiceApp(self.context)
        expect(app).not_to_be_null()
        expect(app.context).to_equal(self.context)

    def test_can_get_handlers(self):
        ctx = self.get_context()
        ctx.config.UPLOAD_ENABLED = False
        ctx.config.USE_BLACKLIST = False
        ctx.config.HEALTHCHECK_ROUTE = "/health"
        app = ThumborServiceApp(ctx)

        handlers = app.get_handlers()
        expect(handlers).to_length(2)
        expect(handlers[0][0]).to_equal(r"/health")
        expect(handlers[1][0]).to_equal(Url.regex())

    def test_can_get_handlers_with_upload(self):
        ctx = self.get_context()
        ctx.config.UPLOAD_ENABLED = True
        ctx.config.USE_BLACKLIST = False
        app = ThumborServiceApp(ctx)

        handlers = app.get_handlers()
        expect(handlers).to_length(4)

    def test_can_get_handlers_with_blacklist(self):
        ctx = self.get_context()
        ctx.config.UPLOAD_ENABLED = False
        ctx.config.USE_BLACKLIST = True
        app = ThumborServiceApp(ctx)

        handlers = app.get_handlers()
        expect(handlers).to_length(3)
