circle.yml

machine:
        pre:
        - curl -sSL https://s3.amazonaws.com/circle-downloads/install-circleci-docker.sh | bash -s -- 1.10.0
        services:
        - docker

test:
        pre:
        - docker build -t image .
        - docker run --name TEST -d image
        # wait for the database to come up
        - until docker exec TEST psql -U postgres -l; do echo "Waiting for postgres to start..."; sleep 0.5; done

        override:
        - docker exec TEST psql -U postgres -c "CREATE EXTENSION uint" && echo "SUCCESS"
        - docker exec TEST psql -U postgres -c "CREATE TABLE test(col1 uint1, col2 uint2, col4 uint4);" && echo "SUCCESS"
        - docker exec TEST psql -U postgres -c "INSERT INTO test(col1, col2, col4) SELECT v % 127, v % 16256, v FROM generate_series(1, 100000) AS d(v)" && echo "SUCCESS"
        - docker exec TEST psql -U postgres -c "WITH t AS (SELECT DISTINCT col1 FROM test) SELECT count(*) FROM t" && echo "SUCCESS"
        post:
        - docker stop TEST
        - docker rm -f TEST