Default to sqlite database for tests if not specified

This allows us to simplify travis setup.
Signed-off-by: Michal Čihař <michal@cihar.com>

.travis.yml

@@ -8,13 +8,13 @@ python:
 # - Run pylint/pep8 checker
 env:
   matrix:
-    - DJANGO_PIP="Django" TRAVIS_DATABASE=sqlite DO_LINT=1
-    - DJANGO_PIP="Django>=1.5,<1.6" TRAVIS_DATABASE=sqlite TRAVIS_RUN_TESTS="trans lang accounts"
+    - DJANGO_PIP="Django" DO_LINT=1
+    - DJANGO_PIP="Django>=1.5,<1.6" TRAVIS_RUN_TESTS="trans lang accounts"
     - DJANGO_PIP="Django>=1.6,<1.7" TRAVIS_DATABASE=mysql
     - DJANGO_PIP="Django>=1.6,<1.7" TRAVIS_DATABASE=postgresql
-    - DJANGO_PIP="Django>=1.6,<1.7" TRAVIS_DATABASE=sqlite
-    - DJANGO_PIP="https://www.djangoproject.com/download/1.7c2/tarball/" TRAVIS_DATABASE=sqlite
-    - DJANGO_PIP="Django>=1.6,<1.7" TRAVIS_DATABASE=sqlite TRAVIS_RUN_TESTS="-p test_selenium.py" DO_SELENIUM=1
+    - DJANGO_PIP="Django>=1.6,<1.7"
+    - DJANGO_PIP="https://www.djangoproject.com/download/1.7c2/tarball/"
+    - DJANGO_PIP="Django>=1.6,<1.7" TRAVIS_RUN_TESTS="-p test_selenium.py" DO_SELENIUM=1
   global:
 # Sauce labs setup
     - secure: "W4EtqCQSbSWb2sDwHd0obttzUTKIPyFZE90qD+YdV76YLgIK7QX4Vc6Hx9fRRNy397h4RrYIzyU2vemGIR5j8cR16Y6MyJ8Fy4DyC2mHyo3T7Tx4/cJYTQDPF2G4kxjR+vmhsdQIdmaYLsjtb2C2M0aIkU8FGFv6D3+TXqsoOmI="
@@ -28,7 +28,7 @@ install:
   - pip install -r requirements.txt
   - pip install -r requirements-optional.txt
   - pip install -r travis/requirements.txt
-  - pip install -r travis/requirements-$TRAVIS_DATABASE.txt
+  - pip install -r travis/requirements-${TRAVIS_DATABASE:-sqlite}.txt
 # create databases
 before_script:
   - mysql -e 'create database weblate;'
@@ -38,7 +38,7 @@ before_script:
 script: 
   - if [ -n "$DO_LINT" ] ; then ./scripts/generate-locales ; fi
   - if [ -z "$DO_LINT" ] ; then ./manage.py validate --settings weblate.settings_test ; fi
-  - if [ $TRAVIS_DATABASE = sqlite -a -z "$DO_LINT" ] ; then ./travis/migrate-testing ; fi
+  - if [ "$TRAVIS_DATABASE" = sqlite -a -z "$DO_LINT" ] ; then ./travis/migrate-testing ; fi
   - if [ -z "$DO_LINT" ] ; then ./manage.py syncdb --noinput --settings weblate.settings_test ; fi
   - if [ -z "$DO_LINT" ] ; then ./manage.py migrate --settings weblate.settings_test --traceback ; fi
   - if [ -z "$DO_LINT" ] ; then coverage run --source=. ./manage.py test --settings weblate.settings_test $TRAVIS_RUN_TESTS ; fi
@@ -50,4 +50,4 @@ after_script:
 matrix:
   allow_failures:
     - python: "2.7"
-      env: DJANGO_PIP="https://www.djangoproject.com/download/1.7c2/tarball/" TRAVIS_DATABASE=sqlite
+      env: DJANGO_PIP="https://www.djangoproject.com/download/1.7c2/tarball/"

weblate/trans/tests/test_selenium.py

@@ -64,7 +64,6 @@ class SeleniumTests(LiveServerTestCase):
                 cls.caps['tags'] = [
                     'python-{}'.format(os.environ['TRAVIS_PYTHON_VERSION']),
                     'django-{}'.format(django.get_version()),
-                    os.environ['TRAVIS_DATABASE'],
                     'CI'
                 ]