Add diff of screenshots to test suite, works good

tests/boot-images.sh

@@ -0,0 +1,67 @@
+#!/bin/bash
+# Author:       Sick.Codes https://twitter.com/sickcodes
+# Contact:      https://github.com/sickcodes, https://sick.codes
+# Copyright:    sickcodes (C) 2021
+# License:      GPLv3+
+# Title:        Docker-OSX (Mac on Docker)
+# Repository:   https://github.com/sickcodes/Docker-OSX
+# Website:      https://sick.codes
+#
+# Status:       Used internally to run each image and take screenshots until they match the pngs in this folder.
+# 
+
+# note to self: # to get master images, boot each image, then screen shot using DISPLAY=:99 in the test.sh script
+# scrot -o high-sierra_master.png
+# scrot -o mojave_master.png
+# scrot -o catalina_master.png
+# scrot -o big-sur_master.png
+# scrot -o monterey_master.png
+# pull off remote server to the tests folder
+# REMOTE_SERVER=
+# scp root@"${REMOTE_SERVER}":~/*_master.png .
+
+export DISPLAY=:99
+
+TESTS=(
+    high-sierra
+    mojave
+    catalina
+    big-sur
+    monterey
+)
+
+# test each docker image to see if they boot to their unique respective installation screens.
+
+for TEST in "${TESTS[@]}"; do
+    # run the image detached
+    docker run --rm -d \
+        --device /dev/kvm \
+        -v /tmp/.X11-unix:/tmp/.X11-unix \
+        -e "DISPLAY=:99" \
+        "sickcodes/docker-osx:${TEST}"
+
+    # imcat the expected test screenshot to ./"${TEST}_master.txt" 
+    imcat ~/Docker-OSX/tests/${TEST}_master.png > ./"${TEST}_master.txt"
+
+    # run until the screen matches the expected screen
+    while :; do
+        sleep 5
+        # screenshot the Xvfb
+        scrotcat > ./"${TEST}.txt"
+        # diff the low res txt files created from imcat
+        diff "./${TEST}.txt" ./"${TEST}_master.txt" && break
+        scrotcat
+    done
+
+    # kill any containers
+    docker kill "$(docker ps --format "{{.ID}}")"
+
+    # ensure all containers are dead
+    until [[ "$(docker ps | wc -l)" = 1 ]]; do
+        sleep 1
+        docker ps | xargs docker kill
+    done
+
+done
+
+exit 0

tests/test.sh

@@ -12,7 +12,7 @@
 # Repository:       https://github.com/sickcodes/Docker-OSX
 # Website:          https://sick.codes
 #
-# Status:           Work in progress.
+# Status:           Used internally to auto build, run and test images on DO.
 # 
 
 help_text="Usage: ./test.sh --branch <string> --repo <string>
@@ -303,6 +303,9 @@ for TEST_BUILD in "${TEST_BUILDS[@]}"; do
     "${TEST_BUILD}"
 done
 
+# boot each image and test
+bash ./tests/boot-images.sh || exit 1
+
 if [[ "${DOCKER_USERNAME}" ]] && [[ "${DOCKER_PASSWORD}" ]]; then
     docker login --username "${DOCKER_USERNAME}" --password "${DOCKER_PASSWORD}" \
         && for SHORTNAME in "${VERSION_BUILDS[@]}"; do