From 49ab25ff34039350277488ff977467a1f8fc4518 Mon Sep 17 00:00:00 2001
From: Brian Warner <warner@lothar.com>
Date: Sun, 5 May 2019 18:02:00 -0400
Subject: [PATCH] add 'tox -e docs', travis job to exercise it

---
 .travis.yml | 4 ++++
 tox.ini     | 8 ++++++++
 2 files changed, 12 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 70be178..9b240d7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -31,5 +31,9 @@ matrix:
     - python: 3.6
       script: tox -e flake8less
       env: FLAKE8
+    - python: 3.7
+      dist: xenial
+      script: tox -e docs
+      env: DOCS
   allow_failures:
     - python: nightly
diff --git a/tox.ini b/tox.ini
index d9c499b..8182411 100644
--- a/tox.ini
+++ b/tox.ini
@@ -44,3 +44,11 @@ max-complexity = 40
 [testenv:flake8less]
 deps = flake8
 commands = flake8 --select=E901,E999,F821,F822,F823 src/wormhole
+
+[testenv:docs]
+deps =
+     sphinx
+     recommonmark
+skip_install = True
+commands =
+         sphinx-build -b html -d {toxinidir}/docs/_build/doctrees {toxinidir}/docs {toxinidir}/docs/_build/html