Adds test action; makes run-all-checks exit with proper status code

Author: mattxwang

.github/workflows/script-tests.yml

@@ -0,0 +1,25 @@
+name: Run scripted tests
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby: [3.0.0]
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    # caches and runs bundle automatically - see
+    # https://github.com/ruby/setup-ruby#caching-bundle-install-automatically
+    - uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: ${{ matrix.ruby }}
+        bundler-cache: true
+    - run: bundle exec jekyll build
+    - run: cd _bin && ./run-all-checks.sh

_bin/run-all-checks.sh

@@ -3,6 +3,7 @@
 dir=$(cd "$(dirname "$0")/.." && pwd)
 bin="$dir/_bin"
 root="$dir/_site"
+any_failed=0
 test -d "$root" || {
   echo "Please generate the site first."
   echo "  bundle exec jekyll serve"
@@ -12,28 +13,36 @@ test -d "$root" || {
 echo "[Checking page generation]"
 "$bin/check-page-generation.sh"
 test $? -eq 0 && echo "--> Page generation looks good."
+test $? -eq 0 && any_failed=1
 
 echo
 echo "[Checking user IDs]"
 "$bin/check-user-ids.sh"
 test $? -eq 0 && echo "--> User IDs look good."
+test $? -eq 0 && any_failed=1
 
 echo
 echo "[Checking include usage]"
 "$bin/check-include-usage.sh"
 test $? -eq 0 && echo "--> Includes look good."
+test $? -eq 0 && any_failed=1
 
 echo
 echo "[Checking include documentation]"
 "$bin/check-include-help.sh"
 test $? -eq 0 && echo "--> Include docs look good."
+test $? -eq 0 && any_failed=1
 
 echo
 echo "[Checking HTML element id values]"
 "$bin/check-html-ids.sh"
 test $? -eq 0 && echo "--> HTML element ids look good."
+test $? -eq 0 && any_failed=1
 
 echo
 echo "[Checking site HTML]"
 "$bin/check-site-html.sh"
 test $? -eq 0 && echo "--> Site HTML looks good! Congratulations."
+test $? -eq 0 && any_failed=1
+
+exit $any_failed