dockerize the tests

.travis.yml

@@ -1,8 +1,9 @@
-language: node_js
+language: minimal
 sudo: required
-dist: bionic
-node_js:
-  - 6.17.0
-  - node
+dist: focal
+services:
+  - docker
 before_install:
-  - sudo apt install -y dbus
+  - docker build -t node-dbus-next-test .
+script:
+  - docker run -it node-dbus-next-test

Dockerfile

@@ -0,0 +1,31 @@
+FROM ubuntu:20.04
+
+WORKDIR /app
+
+RUN echo force-unsafe-io > /etc/dpkg/dpkg.cfg.d/docker-apt-speedup
+RUN echo 'APT::Acquire::Retries "5";' > /etc/apt/apt.conf.d/80retry
+
+RUN export DEBIAN_FRONTEND=noninteractive; \
+    export DEBCONF_NONINTERACTIVE_SEEN=true; \
+    echo 'tzdata tzdata/Areas select Etc' | debconf-set-selections; \
+    echo 'tzdata tzdata/Zones/Etc select UTC' | debconf-set-selections; \
+    apt update && apt install -y --no-install-recommends \
+    build-essential \
+    curl \
+    ca-certificates \
+    git \
+    python2 \
+    dbus
+
+ADD package.json /app
+
+RUN curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.38.0/install.sh | bash && \
+    . /root/.nvm/nvm.sh && \
+    for v in v6.17.1 v14.16.0; do \
+        nvm install $v; \
+    done ; \
+    npm install
+
+ADD . /app
+
+CMD [ "make", "test" ]

Makefile

@@ -0,0 +1,14 @@
+.PHONY: docker-test test
+
+docker-test:
+	docker build -t node-dbus-next-test .
+	docker run -it node-dbus-next-test
+
+test:
+	. /root/.nvm/nvm.sh ; \
+	for v in v6.17.1 v14.16.0 ; do \
+		nvm use $$v ; \
+		PYTHON=python2 npm install ; \
+		PYTHON=python2 npm rebuild ; \
+		dbus-run-session npm run test ; \
+	done