ci: Add python nightlies to test matrix (#1710)

Signed-off-by: Eli Uriegas <seemethere101@gmail.com>

.travis.yml

@@ -43,6 +43,19 @@ matrix:
       dist: xenial
       sudo: true
       name: "Python 3.7 Documentation tests"
+    - env: TOX_ENV=pyNightly
+      python: 'nightly'
+      name: "Python nightly with Extensions"
+    - env: TOX_ENV=pyNightly-no-ext
+      python: 'nightly'
+      name: "Python nightly Extensions"
+  allow_failures:
+    - env: TOX_ENV=pyNightly
+      python: 'nightly'
+      name: "Python nightly with Extensions"
+    - env: TOX_ENV=pyNightly-no-ext
+      python: 'nightly'
+      name: "Python nightly Extensions"
 install:
   - pip install -U tox
   - pip install codecov

tox.ini

@@ -1,11 +1,11 @@
 [tox]
-envlist = py36, py37, {py36,py37}-no-ext, lint, check, security, docs
+envlist = py36, py37, pyNightly, {py36,py37,pyNightly}-no-ext, lint, check, security, docs
 
 [testenv]
 usedevelop = True
 setenv =
-    {py36,py37}-no-ext: SANIC_NO_UJSON=1
-    {py36,py37}-no-ext: SANIC_NO_UVLOOP=1
+    {py36,py37,pyNightly}-no-ext: SANIC_NO_UJSON=1
+    {py36,py37,pyNightly}-no-ext: SANIC_NO_UVLOOP=1
 deps =
     coverage
     pytest==5.2.1