create TestHTTPClient that uses werkzueg test client, tests are passing

app.py

@@ -1,4 +1,5 @@
 
 from capsulflask import create_app
+from capsulflask.http_client import MyHTTPClient
 
-app = create_app()
+app = create_app(lambda timeout_seconds: MyHTTPClient(timeout_seconds=timeout_seconds))

capsulflask/__init__.py

@@ -21,11 +21,9 @@ from apscheduler.schedulers.background import BackgroundScheduler
 from capsulflask.shared import *
 from capsulflask import hub_model, spoke_model, cli
 from capsulflask.btcpay import client as btcpay
-from capsulflask.http_client import MyHTTPClient
 
 
-
-def create_app():
+def create_app(http_client_factory):
   for var_name in [
     "SPOKE_HOST_TOKEN", "HUB_TOKEN", "STRIPE_SECRET_KEY",
     "BTCPAY_PRIVATE_KEY", "MAIL_PASSWORD"
@@ -133,7 +131,10 @@ def create_app():
     mylog_warning(app, "No MAIL_SERVER configured. capsul will simply print emails to stdout.")
     app.config['FLASK_MAIL_INSTANCE'] = StdoutMockFlaskMail()
 
-  app.config['HTTP_CLIENT'] = MyHTTPClient(timeout_seconds=int(app.config['INTERNAL_HTTP_TIMEOUT_SECONDS']))
+  # allow a mock http client to be injected by the test code.
+  app.config['HTTP_CLIENT'] = http_client_factory(int(app.config['INTERNAL_HTTP_TIMEOUT_SECONDS'])) 
+    
+
 
   app.config['BTCPAY_ENABLED'] = False
   if app.config['BTCPAY_URL'] != "":
@@ -160,7 +161,7 @@ def create_app():
 
         # debug mode (flask reloader) runs two copies of the app. When running in debug mode,
         # we only want to start the scheduler one time.
-        if is_running_server and (not app.debug or config.get('WERKZEUG_RUN_MAIN') == 'true'):
+        if is_running_server and not app.config['TESTING'] and (not app.debug or config.get('WERKZEUG_RUN_MAIN') == 'true'):
           scheduler = BackgroundScheduler()
           heartbeat_task_url = f"{app.config['HUB_URL']}/hub/heartbeat-task"
           heartbeat_task_headers = {'Authorization': f"Bearer {app.config['HUB_TOKEN']}"}

capsulflask/console.py

@@ -193,13 +193,6 @@ def detail(id):
 @account_required
 def create():
 
-  #raise "console.create()!"
-  # file_object = open('unittest-output.log', 'a')
-  # file_object.write("console.create()!\n")
-  # file_object.close()
-
-  mylog_error(current_app, "console.create()!")
-
   vm_sizes = get_model().vm_sizes_dict()
   operating_systems = get_model().operating_systems_dict()
   public_keys_for_account = get_model().list_ssh_public_keys_for_account(session["account"])

capsulflask/hub_model.py

@@ -196,7 +196,6 @@ class CapsulFlaskHub(VirtualizationInterface):
   def create(self, email: str, id: str, os: str, size: str, template_image_file_name: str, vcpus: int, memory_mb: int, ssh_authorized_keys: list):
     validate_capsul_id(id)
     online_hosts = get_model().get_online_hosts()
-    mylog_debug(current_app, f"hub_model.create(): ${len(online_hosts)} hosts")
     payload = json.dumps(dict(
       type="create", 
       email=email, 

capsulflask/shared.py

@@ -2,6 +2,7 @@ import re
 
 from flask import current_app, Flask
 from typing import List
+from threading import Lock
 
 class OnlineHost:
   def __init__(self, id: str, url: str):
@@ -58,8 +59,10 @@ def my_exec_info_message(exec_info):
 
 
 
+
 mylog_current_test_id_container = {
   'value': '',
+  'mutex': Lock()
 }
 def set_mylog_test_id(test_id):
   mylog_current_test_id_container['value'] = ".".join(test_id.split(".")[-2:])
@@ -67,10 +70,11 @@ def set_mylog_test_id(test_id):
 
 def log_output_for_tests(app: Flask, message: str):
   if app.config['TESTING'] and mylog_current_test_id_container['value'] != "":
+    mylog_current_test_id_container['mutex'].acquire()
     file_object = open('unittest-log-output.log', 'a')
     file_object.write(f"{mylog_current_test_id_container['value']}: {message}\n")
     file_object.close()
-
+    mylog_current_test_id_container['mutex'].release()
 
 def mylog_debug(app: Flask, message: str):
   log_output_for_tests(app, f"DEBUG: {message}")

capsulflask/spoke_api.py

@@ -43,9 +43,10 @@ def operation_without_id():
 
 def operation_impl(operation_id: int):
   if authorized_as_hub(request.headers):
-    request_body_json = request.json
-    request_body = json.loads(request_body_json)
-    #mylog_info(current_app, f"request.json: {request_body}")
+    request_body = request.json
+    if not isinstance(request.json, dict) and not isinstance(request.json, list):
+      request_body = json.loads(request.json)
+
     handlers = {
       "capacity_avaliable": handle_capacity_avaliable,
       "get": handle_get,

capsulflask/tests/test_console.py

@@ -8,6 +8,7 @@ from flask import url_for
 
 from capsulflask.db import get_model
 from capsulflask.tests_base import BaseTestCase
+from capsulflask.shared import *
 from capsulflask.spoke_model import MockSpoke
 
 
@@ -25,6 +26,30 @@ class ConsoleTests(BaseTestCase):
         "content": "ssh-rsa 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"
     }
 
+    def setUp(self):
+        super().setUp()
+
+
+        get_model().cursor.execute("DELETE FROM host_operation")
+        get_model().cursor.execute("DELETE FROM operations")
+        get_model().cursor.execute("DELETE FROM vm_ssh_host_key")
+        get_model().cursor.execute("DELETE FROM vm_ssh_authorized_key")
+        get_model().cursor.execute("DELETE FROM ssh_public_keys")
+        get_model().cursor.execute("DELETE FROM login_tokens")
+        get_model().cursor.execute("DELETE FROM vms")
+        get_model().cursor.execute("DELETE FROM payments")
+        get_model().cursor.connection.commit()
+
+        self._login('test@example.com')
+        get_model().create_ssh_public_key('test@example.com', 'key', 'foo') 
+
+        # heartbeat all the spokes so that the hub <--> spoke communication can work as normal.
+        host_ids = get_model().list_hosts_with_networks(None).keys()
+        for host_id in host_ids:
+          get_model().host_heartbeat(host_id)
+
+      
+
     def test_index(self):
         self._login('test@example.com')
         with self.client as client:
@@ -84,10 +109,6 @@ class ConsoleTests(BaseTestCase):
                 0
             )
 
-            file_object = open('unittest-output.log', 'a')
-            file_object.write(f"{self.id()} captured output:\n{self.logs_from_test.getvalue()}\n")
-            file_object.close()
-
     def test_create_fails_invalid(self):
         with self.client as client:
             client.get(url_for("console.create"))
@@ -121,8 +142,7 @@ class ConsoleTests(BaseTestCase):
 
             response = client.post(url_for("console.create"), data=data)
 
-        
-
+            # mylog_info(self.app, get_model().list_all_operations())
 
             self.assertEqual(
                 len(get_model().list_all_operations()),
@@ -196,16 +216,4 @@ class ConsoleTests(BaseTestCase):
                 category='message'
             )
 
-    def setUp(self):
-        super().setUp()
-        self._login('test@example.com')
-        get_model().create_ssh_public_key('test@example.com', 'key', 'foo') 
-
-    def tearDown(self):
-        super().tearDown()
-        get_model().cursor.execute("DELETE FROM ssh_public_keys")
-        get_model().cursor.execute("DELETE FROM login_tokens")
-        get_model().cursor.execute("DELETE FROM vms")
-        get_model().cursor.execute("DELETE FROM payments")
-        get_model().cursor.connection.commit()
 

capsulflask/tests_base.py

@@ -1,14 +1,26 @@
-from io import StringIO
+
 import logging
 import unittest
 import os
+import sys
+import json
+import itertools
+import time
+import threading
+import asyncio
+import traceback
+
+from urllib.parse import urlparse
+from typing import List
 from nanoid import generate
+from concurrent.futures import ThreadPoolExecutor
 
 from flask_testing import TestCase
 from flask import current_app
 
 from capsulflask import create_app
 from capsulflask.db import get_model
+from capsulflask.http_client import *
 from capsulflask.shared import *
 
 class BaseTestCase(TestCase):
@@ -19,7 +31,9 @@ class BaseTestCase(TestCase):
         os.environ['LOG_LEVEL'] = 'DEBUG'
         os.environ['SPOKE_MODEL'] = 'mock'
         os.environ['HUB_MODEL'] = 'capsul-flask'
-        self.app = create_app()
+        self1 = self
+        get_app = lambda: self1.app
+        self.app = create_app(lambda timeout_seconds: TestHTTPClient(get_app, timeout_seconds))
         return self.app
 
     def setUp(self):
@@ -33,3 +47,73 @@ class BaseTestCase(TestCase):
         with self.client.session_transaction() as session:
             session['account'] = user_email
             session['csrf-token'] = generate()
+
+class TestHTTPClient:
+  def __init__(self, get_app, timeout_seconds = 5):
+    self.timeout_seconds = timeout_seconds
+    self.get_app = get_app
+    self.executor = ThreadPoolExecutor()
+
+
+  def do_multi_http_sync(self, online_hosts: List[OnlineHost], url_suffix: str, body: str, authorization_header=None) -> List[HTTPResult]:
+    future = run_coroutine(self.do_multi_http(online_hosts=online_hosts, url_suffix=url_suffix, body=body, authorization_header=authorization_header))
+    fromOtherThread = future.result()
+    toReturn = []
+    for individualResult in fromOtherThread:
+      if individualResult.error != None and individualResult.error != "":
+        mylog_error(self.get_app(), individualResult.error)
+      toReturn.append(individualResult.http_result)
+
+    return toReturn
+
+  def do_http_sync(self, url: str,  body: str, method="POST", authorization_header=None) -> HTTPResult:
+    future = run_coroutine(self.do_http(method=method, url=url, body=body, authorization_header=authorization_header))
+    fromOtherThread = future.result()
+    if fromOtherThread.error != None and fromOtherThread.error != "":
+      mylog_error(self.get_app(), fromOtherThread.error)
+    return fromOtherThread.http_result
+
+  async def do_http(self, url: str,  body: str, method="POST", authorization_header=None) -> InterThreadResult:
+    path = urlparse(url).path
+
+    headers = {}
+    if authorization_header != None:
+      headers['Authorization'] = authorization_header
+    if body:
+      headers['Content-Type'] = "application/json"
+
+    #mylog_info(self.get_app(), f"path, data=body, headers=headers: {path}, {body}, {headers}")
+
+    do_request = None
+    if method == "POST":
+      do_request = lambda: self.get_app().test_client().post(path, data=body, headers=headers)
+    if method == "GET":
+      do_request = lambda: self.get_app().test_client().get(path, headers=headers)
+
+    response = None
+    try:
+      response = await get_event_loop().run_in_executor(self.executor, do_request)
+    except:
+      traceback.print_exc()
+      error_message = my_exec_info_message(sys.exc_info())
+      response_body = json.dumps({"error_message": f"do_http (HTTP {method} {url}) {error_message}"})
+
+      return InterThreadResult(
+        HTTPResult(-1, response_body), 
+        f"""do_http (HTTP {method} {url}) failed with: {error_message}"""
+      )
+
+    return InterThreadResult(HTTPResult(response.status_code, response.get_data()), None)
+
+  async def do_multi_http(self, online_hosts: List[OnlineHost], url_suffix: str, body: str, authorization_header=None) -> List[InterThreadResult]:
+    tasks = []
+    # append to tasks in the same order as online_hosts
+    for host in online_hosts:
+        tasks.append(
+            self.do_http(url=f"{host.url}{url_suffix}", body=body, authorization_header=authorization_header)
+        )
+    # gather is like Promise.all from javascript, it returns a future which resolves to an array of results 
+    # in the same order as the tasks that we passed in -- which were in the same order as online_hosts
+    results = await asyncio.gather(*tasks)
+
+    return results

docs/testing.md

@@ -6,7 +6,7 @@ To run tests:
 1. create a Postgres database called `capsulflask_test`
   - e.g.: `docker exec -it 98e1ddfbbffb createdb -U postgres -O postgres capsulflask_test`
     - (`98e1ddfbbffb` is the docker container ID of the postgres container)
-2. run `python3 -m unittest && cat unittest-log-output.log && rm unittest-log-output.log`
+2. run `python3 -m unittest; cat unittest-log-output.log; rm unittest-log-output.log`
 
 **NOTE** that right now we can't figure out how to get the tests to properly output the log messages that happened when they failed, (or passed),  so for now we have hacked it to write to a file.