run tests in docker container

.travis.yml

@@ -1,13 +1,8 @@
-language: python
-sudo: required
-dist: bionic
-python:
-    - "3.6"
+language: minimal
+dist: xenial
+services:
+  - docker
 before_install:
-    - /usr/lib/apt/apt-helper download-file http://debian.sur5r.net/i3/pool/main/s/sur5r-keyring/sur5r-keyring_2019.02.01_all.deb keyring.deb SHA256:176af52de1a976f103f9809920d80d02411ac5e763f695327de9fa6aff23f416
-    - sudo dpkg -i ./keyring.deb
-    - echo "deb http://debian.sur5r.net/i3/ $(grep '^DISTRIB_CODENAME=' /etc/lsb-release | cut -f2 -d=) universe" | sudo tee /etc/apt/sources.list.d/sur5r-i3.list > /dev/null
-    - sudo apt-get update -qq
-    - sudo apt-get install xvfb i3
-    - sudo pip install pytest
-script: ./run-tests.py
+  - docker build -t i3ipc-python-test .
+script:
+  - docker run -it i3ipc-python-test

Dockerfile

@@ -0,0 +1,13 @@
+FROM ubuntu:19.04
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y python3-pip i3 xvfb
+
+COPY requirements.txt .
+RUN pip3 install -r requirements.txt
+
+ADD . /app
+
+RUN find -name __pycache__ | xargs rm -r || true
+CMD ["./run-tests.py"]

Makefile

@@ -1,4 +1,4 @@
-.PHONY: test format lint all clean publish docs coverage
+.PHONY: test format lint all clean publish docs coverage docker-test
 .DEFAULT_GOAL := all
 
 source_dirs = i3ipc test examples
@@ -12,6 +12,10 @@ format:
 test:
 	./run-tests.py
 
+docker-test:
+	docker build -t i3ipc-python-test .
+	docker run -it i3ipc-python-test
+
 clean:
 	rm -rf dist i3ipc.egg-info build docs/_build
 	rm -rf `find -type d -name __pycache__`
@@ -26,4 +30,4 @@ docs:
 livedocs:
 	sphinx-autobuild docs docs/_build/html --watch i3ipc -i '*swp' -i '*~'
 
-all: format lint test
+all: format lint docker-test

i3ipc/connection.py

@@ -168,6 +168,7 @@ def message(self, message_type, payload):
             if not self.auto_reconnect:
                 raise (e)
 
+            # XXX: can the socket path change between restarts?
             if not self._wait_for_socket():
                 raise (e)
 

run-tests.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import subprocess
 from subprocess import Popen
@@ -8,6 +8,7 @@
 import sys
 import re
 import time
+import random
 
 try:
     from shutil import which
@@ -112,6 +113,7 @@ def run_pytest(display):
     env['DISPLAY'] = ':%d' % display
     env['PYTHONPATH'] = here
     env['_I3IPC_TEST'] = '1'
+    env['I3SOCK'] = f'/tmp/i3ipc-test-sock-{display}'
     subprocess.run([PYTEST], env=env)