added travis testing

travis builds and spins up containers for sqlite, mariadb and postgres
and runs a simple python test script for accessing the wallabag.

.gitignore

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+.cache
+__pycache__/*
+*.pyc

.travis.yml

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+language: python
+
+python:
+  - 3.5
+
+services:
+  - docker
+
+env:
+  - DB_TYPE=sqlite
+  - DB_TYPE=mariadb
+  - DB_TYPE=postgresql
+
+install:
+  - docker-compose -f tests/docker-compose.$DB_TYPE.yml build
+  - docker-compose -f tests/docker-compose.$DB_TYPE.yml up -d
+
+before_script:
+  - pip install pytest
+  - pip install requests
+
+script:
+  - docker ps | grep -q wallabag
+  - sleep 60
+  - py.test tests/

tests/docker-compose.mariadb.yml

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+version: '2'
+services:
+  wallabag:
+    build:
+      context: ../
+    image: wallabag:mariadb
+    container_name: wallabag
+    environment:
+      - MYSQL_ROOT_PASSWORD=wallaroot
+      - SYMFONY__ENV__SECRET=F00B4R
+      - SYMFONY__ENV__DATABASE_DRIVER=pdo_mysql
+      - SYMFONY__ENV__DATABASE_HOST=db
+      - SYMFONY__ENV__DATABASE_PORT=3306
+      - SYMFONY__ENV__DATABASE_NAME=wallabag
+      - SYMFONY__ENV__DATABASE_USER=wallabag
+      - SYMFONY__ENV__DATABASE_PASSWORD=wallapass
+    ports:
+      - "127.0.0.1:80:80"
+  db:
+    image: mariadb
+    environment:
+      - MYSQL_ROOT_PASSWORD=wallaroot

tests/docker-compose.postgresql.yml

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+version: '2'
+services:
+  wallabag:
+    build:
+      context: ../
+    image: wallabag:postgresql
+    container_name: wallabag
+    environment:
+      - POSTGRES_PASSWORD=my-secret-pw
+      - POSTGRES_USER=my-super-user
+      - SYMFONY__ENV__SECRET=F00B4R
+      - SYMFONY__ENV__DATABASE_DRIVER=pdo_pgsql
+      - SYMFONY__ENV__DATABASE_HOST=db
+      - SYMFONY__ENV__DATABASE_PORT=5432
+      - SYMFONY__ENV__DATABASE_NAME=wallabag
+      - SYMFONY__ENV__DATABASE_USER=wallabag
+      - SYMFONY__ENV__DATABASE_PASSWORD=wallapass
+    ports:
+      - "127.0.0.1:80:80"
+  db:
+    image: postgres
+    environment:
+      - POSTGRES_PASSWORD=my-secret-pw
+      - POSTGRES_USER=my-super-user

tests/docker-compose.sqlite.yml

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+version: '2'
+services:
+  wallabag:
+    build:
+      context: ../
+    image: wallabag:sqlite
+    container_name: wallabag
+    environment:
+      - SYMFONY__ENV__DATABASE_DRIVER=pdo_sqlite
+      - SYMFONY__ENV__DATABASE_HOST=127.0.0.1
+      - SYMFONY__ENV__DATABASE_PORT=~
+      - SYMFONY__ENV__DATABASE_NAME=symfony
+      - SYMFONY__ENV__DATABASE_USER=root
+      - SYMFONY__ENV_DATABASE_PASSWORD=~
+      - SYMFONY__ENV__SECRET=F00B4R
+    ports:
+      - "127.0.0.1:80:80"

tests/test_login.py

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+import requests
+
+
+URL = 'http://127.0.0.1:80'
+
+
+def test_login_page():
+    r = requests.get(URL, allow_redirects=True)
+
+    assert r.status_code == 200
+    assert 'Login' in r.text
+    assert 'Password' in r.text
+    assert 'Register' in r.text
+    assert 'Username' in r.text