adapters: postgres & redshift

.gitignore

@@ -45,6 +45,7 @@ nosetests.xml
 coverage.xml
 *,cover
 .hypothesis/
+test.env
 
 # Translations
 *.mo

Dockerfile

@@ -1,4 +1,4 @@
-FROM python
+FROM python:3.5
 
 RUN apt-get update
 
@@ -8,11 +8,7 @@ RUN apt-get install -y python-dev python3-dev
 RUN pip install pip --upgrade
 RUN pip install virtualenv
 RUN pip install virtualenvwrapper
-
-COPY . /usr/src/app
+RUN pip install tox
 
 WORKDIR /usr/src/app
 RUN cd /usr/src/app
-RUN ./test/setup.sh
-
-

Makefile

@@ -2,15 +2,17 @@
 
 changed_tests := `git status --porcelain | grep '^\(M\| M\|A\| A\)' | awk '{ print $$2 }' | grep '\/test_[a-zA-Z_\-\.]\+.py'`
 
-test: test-unit test-integration
+test:
+	@echo "Full test run starting..."
+	@time docker-compose run test tox
 
 test-unit:
 	@echo "Unit test run starting..."
-	tox -e unit-py27,unit-py35
+	@time docker-compose run test tox -e unit-py27,unit-py35,pep8
 
 test-integration:
 	@echo "Integration test run starting..."
-	@docker-compose run test /usr/src/app/test/integration.sh
+	@time docker-compose run test tox -e integration-py27,integration-py35
 
 test-new:
 	@echo "Test run starting..."

dbt/adapters/cache.py

@@ -0,0 +1,5 @@
+import dbt.adapters.postgres as postgres
+
+
+def reset():
+    postgres.connection_cache = {}

dbt/adapters/factory.py

@@ -0,0 +1,22 @@
+from dbt.adapters.postgres import PostgresAdapter
+from dbt.adapters.redshift import RedshiftAdapter
+from dbt.adapters.snowflake import SnowflakeAdapter
+
+
+def get_adapter(profile):
+    adapter_type = profile.get('type', None)
+
+    adapters = {
+        'postgres': PostgresAdapter,
+        'redshift': RedshiftAdapter,
+        'snowflake': SnowflakeAdapter,
+    }
+
+    adapter = adapters.get(adapter_type, None)
+
+    if adapter is None:
+        raise RuntimeError(
+            "Invalid adapter type {}!"
+            .format(adapter_type))
+
+    return adapter