Add support to test agains Oracle via Docker.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

HISTORY.rst

@@ -2,7 +2,7 @@
 ==================
 - Fix deprecation warning to prepare upgrade to Django 1.11 and 2.0.
 - Fix document page zoom.
-- Add support to run tests against a MySQL or Postgres container.
+- Add support to run tests against a MySQL, Postgres or Oracle container.
 - Improve tag widget customization by moving the markup to its own template.
 - Fix document page widget appearance in the document page list view.
 - Make document version order deterministic.

Makefile

@@ -110,6 +110,25 @@ test-mysql-all: test-launch-mysql
 	@docker rm -f test-mysql || true
 	@docker volume rm test-mysql || true
 
+test-launch-oracle:
+	@docker rm -f test-oracle || true
+	@docker volume rm test-oracle || true
+	docker run -d --name test-oracle -p 49160:22 -p 49161:1521 -e ORACLE_ALLOW_REMOTE=true -v test-oracle:/u01/app/oracle wnameless/oracle-xe-11g
+	# https://gist.github.com/kimus/10012910
+	pip install cx_Oracle
+	while ! nc -z 127.0.0.1 49161; do sleep 1; done
+	sleep 10
+
+test-oracle: test-launch-oracle
+	./manage.py test $(MODULE) --settings=mayan.settings.testing.docker.db_oracle --nomigrations
+	@docker rm -f test-oracle || true
+	@docker volume rm test-oracle || true
+
+test-oracle-all: test-launch-oracle
+	./manage.py test --mayan-apps --settings=mayan.settings.testing.docker.db_oracle --nomigrations
+	@docker rm -f test-oracle || true
+	@docker volume rm test-oracle || true
+
 # Documentation
 
 docs_serve:

mayan/settings/testing/docker/db_oracle.py

@@ -0,0 +1,14 @@
+from __future__ import unicode_literals
+
+from .base import *  # NOQA
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.oracle',
+        'NAME': 'xe',
+        'USER': 'system',
+        'HOST': '127.0.0.1',
+        'PORT': '49161',
+        'PASSWORD': 'oracle',
+    }
+}