test urllib3 master branch

.travis.yml

@@ -11,32 +11,46 @@ cache: pip
 jobs:
   include:
     - stage: test
+      name: "Python 2.7"
       script:
         - make test-readme
         - make ci
       python: '2.7'
     - stage: test
+      name: "Python 3.4"
       script:
         - make test-readme
         - make ci
       python: '3.4'
     - stage: test
+      name: "Python 3.5"
       script:
         - make test-readme
         - make ci
       python: '3.5'
     - stage: test
+      name: "Python 3.6"
       script:
         - make test-readme
         - make ci
       python: '3.6'
     - stage: test
+      name: "Python 3.7"
       script:
         - make test-readme
         - make ci
       python: '3.7'
       dist: xenial
-      sudo: true     
+      sudo: true
+    - stage: upstream compatibility
+      name: "urllib3"
+      script:
+        - make ci-dev
+      python: '3.7'
+      dist: xenial
+      sudo: true
+      allow_failures: true
     - stage: coverage
+      name: "Coverage Test"
       python: 3.6
       script: codecov

Makefile

@@ -1,4 +1,4 @@
-.PHONY: docs
+.PHONY: docs ci-dev
 init:
 	pip install pipenv --upgrade
 	pipenv install --dev --skip-lock
@@ -8,6 +8,10 @@ test:
 ci:
 	pipenv run py.test -n 8 --boxed --junitxml=report.xml
 
+ci-dev:
+	pip install git+https://github.com/urllib3/urllib3.git
+	$(MAKE) ci
+
 test-readme:
 	@pipenv run python setup.py check --restructuredtext --strict && ([ $$? -eq 0 ] && echo "README.rst and HISTORY.rst ok") || echo "Invalid markup in README.rst or HISTORY.rst!"
 
@@ -25,4 +29,4 @@ publish:
 
 docs:
 	cd docs && make html
-	@echo "\033[95m\n\nBuild successful! View the docs homepage at docs/_build/html/index.html.\n\033[0m"
+	@echo "\033[95m\n\nBuild successful! View the docs homepage at docs/_build/html/index.html.\n\033[0m"