tox: add check-migrations environment

check-migrations.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+set -e
+
+# https://stackoverflow.com/questions/49778988/makemigrations-in-dev-machine-without-database-instance
+CHECK_MIGRATIONS_SETTINGS=`mktemp`
+trap "rm -f ${CHECK_MIGRATIONS_SETTINGS}" EXIT
+cat <<EOF >${CHECK_MIGRATIONS_SETTINGS}
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.dummy',
+    }
+}
+EOF
+APPS=$(env DJANGO_SETTINGS_MODULE=petale.settings python -c 'from django.conf import settings; print(" ".join(p for p in (p.split(".")[-1] for p in settings.INSTALLED_APPS if not p.startswith("django.")) if p not in ["admin", "auth", "contenttypes"]))')
+TEMPFILE=`mktemp`
+trap "rm -f ${TEMPFILE} ${CHECK_MIGRATIONS_SETTINGS}" EXIT
+
+PETALE_SETTINGS_FILE=${CHECK_MIGRATIONS_SETTINGS}  ./manage.py makemigrations --dry-run --noinput ${APPS} >${TEMPFILE} 2>&1 || true
+
+if ! grep 'No changes detected' -q ${TEMPFILE}; then
+   echo '!!! Missing migration detected !!!'
+   cat ${TEMPFILE}
+   exit 1
+else
+   exit 0
+fi

tox.ini

@@ -3,11 +3,13 @@ toxworkdir = {env:TMPDIR:/tmp}/tox-{env:USER}/petale/
 envlist =
   py3-dj22-drf39
   code-style
+  check-migrations
 
 [tox:jenkins]
 envlist =
   pylint
   code-style
+  check-migrations
   py3-dj22-drf39
 
 [testenv]
@@ -75,6 +77,18 @@ deps =
 commands =
   pre-commit run --all-files --show-diff-on-failure
 
+[testenv:check-migrations]
+basepython = python3
+usedevelop = True
+setenv =
+  DJANGO_SETTINGS_MODULE=petale.settings
+  PETALE_SETTINGS_FILE=tests/settings.py
+  SETUPTOOLS_USE_DISTUTILS=stdlib
+deps =
+  psycopg2-binary
+commands =
+  ./check-migrations.sh
+
 [pytest]
 junit_family=xunit2
 filterwarnings =