Add circleci

.circleci/config.yml

@@ -0,0 +1,48 @@
+version: 2
+
+references:
+  container_config: &container_config
+    docker:
+      # Main Python container
+      - image: circleci/python:3.7.7
+
+jobs:
+  build:
+    <<: *container_config
+
+    steps:
+      - checkout
+      - run:
+          name: 'Setup virtual environment'
+          command: |
+            python3 -m venv venv
+            . venv/bin/activate
+            pip install --upgrade pip
+            pip install -e .[test]
+
+      - run:
+          name: 'Pylinting'
+          command: |
+            . venv/bin/activate
+            pylint target_bigquery -d C,W,unexpected-keyword-arg,duplicate-code
+
+      - run:
+          name: 'Unit Tests'
+          command: |
+            . venv/bin/activate
+            export LOGGING_CONF_FILE=$(pwd)/sample_logging.conf
+            nosetests --where=tests/unit
+
+      # Integration test currently turned off
+      #- run:
+      #    name: 'Integration Tests'
+      #    command: |
+      #      . venv/bin/activate
+      #      export LOGGING_CONF_FILE=$(pwd)/sample_logging.conf
+      #      nosetests --where=tests/integration/
+
+workflows:
+  version: 2
+  build:
+    jobs:
+      - build