ci: docs: Check for failure properly

Fixes: #527

Signed-off-by: John Andersen <[email protected]>

Author: pdxjohnny

.ci/run.sh

@@ -147,8 +147,19 @@ function run_docs() {
 
   last_release=$("${PYTHON}" -m dffml service dev setuppy kwarg version setup.py)
 
+  # Log failed tests to file
+  doctest_failures="$(mktemp)"
+  TEMP_DIRS+=("${doctest_failures}")
+
   # Doctests
-  ./scripts/doctest.sh
+  ./scripts/doctest.sh 2>&1 | tee "${doctest_failures}"
+
+  # Fail if any tests errored
+  skipped=$(grep 'in test' "${doctest_failures}" | grep -v '0 failures in tests' | wc -l)
+  if [ "$skipped" -ne 0 ]; then
+    echo "Tests failed" >&2
+    exit 1
+  fi
 
   # Fail if there are any changes to the Git repo
   changes=$(git status --porcelain | wc -l)