Add CI testing for DB.

.travis.yml

@@ -1,3 +1,6 @@
+sudo: required
+services:
+  - docker
 language: python
 python:
   - 2.7
@@ -11,9 +14,9 @@ script:
   # Unit testing.
   - coverage run --source=csv2sql setup.py test
   # Integrated testing.
-  - coverage run -a --source=csv2sql -m csv2sql all -r tbl < data/test-input.csv
-  - coverage run -a --source=csv2sql -m csv2sql schema -r tbl < data/test-input.csv
-  - coverage run -a --source=csv2sql -m csv2sql data tbl < data/test-input.csv
+  - coverage run -a --source=csv2sql -m csv2sql all tbl < data/test-input.csv | docker-compose run psql_client
+  - coverage run -a --source=csv2sql -m csv2sql schema -r tbl < data/test-input.csv | docker-compose run psql_client
+  - coverage run -a --source=csv2sql -m csv2sql data tbl < data/test-input.csv | docker-compose run psql_client
   - coverage run -a --source=csv2sql -m csv2sql pattern
 after_success:
   - coveralls

docker-compose.yml

@@ -0,0 +1,20 @@
+version: '2'
+
+services:
+  psql_server:
+    image: "postgres:9.5"
+    ports:
+      - "5432:5432"
+    environment:
+      POSTGRES_USER: docker
+      POSTGRES_PASSWORD: docker
+
+  psql_client:
+    build:
+      context: ./dockerfiles/psql_client
+    links:
+      - psql_server
+    environment:
+      PGHOST: psql_server
+      PGUSER: docker
+      PGPASSWORD: docker

dockerfiles/psql_client/Dockerfile

@@ -0,0 +1,8 @@
+FROM postgres:9.5
+
+RUN apt-get update && apt-get install -y curl
+RUN curl -o /usr/local/bin/wait-for-it.sh \
+    https://raw.githubusercontent.com/vishnubob/wait-for-it/master/wait-for-it.sh
+RUN chmod 755 /usr/local/bin/wait-for-it.sh
+
+ENTRYPOINT ["wait-for-it.sh", "psql_server:5432", "--", "psql", "--set", "STOP_ON_ERROR=on"]