Try running docker build commands

Signed-off-by: Václav Valíček <valicek1994@gmail.com>

ci/docker/Dockerfile

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+ARG PYTHON_TAG=3
+FROM python:${PYTHON_TAG}
+
+RUN set -xeu ; \
+    apt update ; \
+    apt -yy full-upgrade ; \
+    apt -yy install ca-certificates \
+		libfontconfig1 \
+		libfreetype6 \
+		libx11-6 \
+		libx11-xcb1 \
+		libxext6 \
+		libxfixes3 \
+		libxi6 \
+		libxrender1 \
+		libxcb1 \
+		libxcb-util1 \
+		libxcb-glx0 \
+		libxcb-keysyms1 \
+		libxcb-image0 \
+		libxcb-shm0 \
+		libxcb-icccm4 \
+		libxcb-sync1 \
+		libxcb-xfixes0 \
+		libxcb-shape0 \
+		libxcb-randr0 \
+		libxcb-render-util0 \
+		libxcb-xinerama0 \
+		libxkbcommon0 \
+		libxkbcommon-x11-0 \
+		libdbus-1-3 \
+		xvfb xclip xsel xdotool; \
+	python -m venv /venv ;\
+	/venv/bin/pip install --upgrade pip ; \
+    apt clean ; \
+    rm -Rf /var/lib/apt/lists/* ; \
+    mkdir /app
+
+
+
+ADD run-tests /usr/local/bin
+ADD clilib /usr/local
+
+VOLUME /app
+WORKDIR /app
+CMD ["/usr/local/bin/run-tests"]
+

ci/docker/clilib

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+#!/bin/bash
+
+reset='\e[0m'
+bold='\e[1m'
+green='\e[92m'
+red='\e[91m'
+yellow='\e[93m'
+cyan='\e[96m'
+
+status(){
+	echo -e "$yellow$@$reset"
+}
+
+ok() {
+	echo -e "															[ $green${bold}OK$reset ]"
+}
+
+error(){
+	echo -e "$red - $@$reset"
+}
+
+failure(){
+	echo -e "$red - $@$reset"
+	exit
+}
+
+info(){
+	echo -e "$cyan$@$reset"
+}
+
+infon(){
+	echo -ne "$cyan$@$reset"
+}
+
+
+drawexit(){
+	[ $1 -eq 0 ] && ok || error "Failed!"
+}
+
+filelen(){
+	wc -c $1 | cut -d' ' -f1
+}
+
+wraperr(){
+	$@ && rc=0 || rc=$?
+	if [ $rc -eq 0 ]
+	then
+		ok 2>&1
+	else
+		error "Command failed: \"$@\"" 2>&1
+		error "Return code: $rc" 2>&1
+		exit $rc
+	fi
+}
+

ci/docker/run-tests

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+#!/bin/bash
+set -euo pipefail
+IFS=$'\n\t'
+
+# source cli lib
+source /usr/local/clilib
+
+status "Preparing XDG_RUNTIME_DIR"
+export XDG_RUNTIME_DIR=/tmp/xdg-runtime-dir
+mkdir -p $XDG_RUNTIME_DIR
+
+# setup exit trap
+function finish {
+	status "Changing ownership of /app directory"
+	perms=$(stat -c '%u:%g' /app)
+	wraperr chown -R $perms /app
+}
+trap finish EXIT
+
+status "Loading venv"
+source /venv/bin/activate
+echo $VIRTUAL_ENV
+
+status "Changing directory to /app"
+wraperr cd /app
+
+status "Installing pip depenencies"
+wraperr pip install -r requirements.txt
+
+status "Installing dev dependencies"
+wraperr pip install -r requirements.dev.
+
+# TODO: fix later
+exit 0
+
+status "Preparing data trees for tests..."
+wraperr bash -c "cd tests/_support_data; ./gen-data.sh"
+
+status "Running tests itself"
+wraperr python3 -m pytest .\
+	-v \
+	-n auto \
+	--ignore=tests/_support_data \
+	--color=yes \
+	--cov . \
+	--cov-config .coveragerc \
+	--cov-report term-missing \
+	--cov-report html
+exit 0
+