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Merge pull request #7 from alvarolopez/refactor_tests
Refactor unit testing using a fake application
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| # -*- coding: utf-8 -*- | ||
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| # Copyright 2015 Spanish National Research Council | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); you may | ||
| # not use this file except in compliance with the License. You may obtain | ||
| # a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | ||
| # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | ||
| # License for the specific language governing permissions and limitations | ||
| # under the License. | ||
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| import json | ||
| import uuid | ||
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| import webob.dec | ||
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| tenants = { | ||
| "foo": {"id": uuid.uuid4().hex, | ||
| "name": "foo"}, | ||
| "bar": {"id": uuid.uuid4().hex, | ||
| "name": "bar"} | ||
| } | ||
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| flavors = { | ||
| 1: { | ||
| "id": 1, | ||
| "name": "foo", | ||
| "vcpus": 2, | ||
| "ram": 256, | ||
| "disk": 10, | ||
| }, | ||
| 2: { | ||
| "id": 2, | ||
| "name": "bar", | ||
| "vcpus": 4, | ||
| "ram": 2014, | ||
| "disk": 20, | ||
| } | ||
| } | ||
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| images = { | ||
| "foo": { | ||
| "id": "foo", | ||
| "name": "foo", | ||
| }, | ||
| "bar": { | ||
| "id": "bar", | ||
| "name": "bar", | ||
| } | ||
| } | ||
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| servers = { | ||
| tenants["foo"]["id"]: [ | ||
| { | ||
| "id": uuid.uuid4().hex, | ||
| "name": "foo", | ||
| "flavor": {"id": flavors[1]["id"]}, | ||
| "image": {"id": images["foo"]["id"]}, | ||
| "status": "ACTIVE", | ||
| }, | ||
| { | ||
| "id": uuid.uuid4().hex, | ||
| "name": "bar", | ||
| "flavor": {"id": flavors[2]["id"]}, | ||
| "image": {"id": images["bar"]["id"]}, | ||
| "status": "SHUTOFF", | ||
| }, | ||
| { | ||
| "id": uuid.uuid4().hex, | ||
| "name": "baz", | ||
| "flavor": {"id": flavors[1]["id"]}, | ||
| "image": {"id": images["bar"]["id"]}, | ||
| "status": "ERROR", | ||
| }, | ||
| ], | ||
| tenants["bar"]["id"]: [], | ||
| } | ||
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| def fake_query_results(): | ||
| cats = [] | ||
| cats.append( | ||
| 'start; ' | ||
| 'scheme="http://schemas.ogf.org/occi/infrastructure/compute/action"; ' | ||
| 'class="action"') | ||
| cats.append( | ||
| 'stop; ' | ||
| 'scheme="http://schemas.ogf.org/occi/infrastructure/compute/action"; ' | ||
| 'class="action"') | ||
| cats.append( | ||
| 'restart; ' | ||
| 'scheme="http://schemas.ogf.org/occi/infrastructure/compute/action"; ' | ||
| 'class="action"') | ||
| cats.append( | ||
| 'suspend; ' | ||
| 'scheme="http://schemas.ogf.org/occi/infrastructure/compute/action"; ' | ||
| 'class="action"') | ||
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| result = [] | ||
| for c in cats: | ||
| result.append(("Category", c)) | ||
| return result | ||
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| class FakeApp(object): | ||
| """Poor man's fake application.""" | ||
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| def __init__(self): | ||
| self.routes = {} | ||
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| for tenant in tenants.values(): | ||
| path = "/%s" % tenant["id"] | ||
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| self._populate(path, "server", servers[tenant["id"]]) | ||
| # NOTE(aloga): dict_values un Py3 is not serializable in JSON | ||
| self._populate(path, "image", list(images.values())) | ||
| self._populate(path, "flavor", list(flavors.values())) | ||
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| def _populate(self, path_base, obj_name, obj_list): | ||
| objs_name = "%ss" % obj_name | ||
| objs_path = "%s/%s" % (path_base, objs_name) | ||
| self.routes[objs_path] = create_fake_json_resp({objs_name: obj_list}) | ||
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| for o in obj_list: | ||
| obj_path = "%s/%s" % (objs_path, o["id"]) | ||
| self.routes[obj_path] = create_fake_json_resp({obj_name: o}) | ||
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| @webob.dec.wsgify() | ||
| def __call__(self, req): | ||
| if req.method == "GET": | ||
| return self._do_get(req) | ||
| elif req.method == "POST": | ||
| return self._do_post(req) | ||
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| def _do_create(self, req): | ||
| s = {"server": {"id": "foo", | ||
| "name": "foo", | ||
| "flavor": {"id": "1"}, | ||
| "image": {"id": "2"}, | ||
| "status": "ACTIVE"}} | ||
| return create_fake_json_resp(s) | ||
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| def _do_post(self, req): | ||
| if req.path_info.endswith("servers"): | ||
| return self._do_create(req) | ||
| raise Exception | ||
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| def _do_get(self, req): | ||
| try: | ||
| ret = self.routes[req.path_info] | ||
| except Exception: | ||
| raise | ||
| return ret | ||
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| def create_fake_json_resp(data): | ||
| r = webob.Response() | ||
| r.headers["Content-Type"] = "application/json" | ||
| r.charset = "utf8" | ||
| r.body = json.dumps(data).encode("utf8") | ||
| return r |
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