Introduce framework for running basic tests for entities (#1344)

* Introduce framework for running basic tests for entities

* Add pipeline tests to CircleCI config

* Make pipeline tests more configurable and fix CircleCI config

* Add coverage dir to pipeline package

* Add basic tests for all exchange event entities

* Add tests for remaining entities

* Create separate test scripts in package.json and add new info to README

* Update db_setup.ts to revert migrations even if you are using docker

* Automatically pull the postgres image if needed

* Add comment about why NumberToBigIntTransformer is needed

1 files changed, 17 insertions, 0 deletions

diff --git a/.circleci/config.yml b/.circleci/config.yml
index fe81054ac..eab912934 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -77,6 +77,20 @@ jobs:
                   keys:
                       - repo-{{ .Environment.CIRCLE_SHA1 }}
             - run: yarn test:generate_docs:circleci
+    test-pipeline:
+        docker:
+            - image: circleci/node:9
+            - image: postgres:11-alpine
+        working_directory: ~/repo
+        steps:
+            - restore_cache:
+                  keys:
+                      - repo-{{ .Environment.CIRCLE_SHA1 }}
+            - run: ZEROEX_DATA_PIPELINE_TEST_DB_URL='postgresql://postgres@localhost/postgres' yarn wsrun test:circleci @0x/pipeline
+            - save_cache:
+                  key: coverage-pipeline-{{ .Environment.CIRCLE_SHA1 }}
+                  paths:
+                      - ~/repo/packages/pipeline/coverage/lcov.info
     test-rest:
         docker:
             - image: circleci/node:9
@@ -336,6 +350,9 @@ workflows:
             - test-contracts-geth:
                   requires:
                       - build
+            - test-pipeline:
+                  requires:
+                      - build
             - test-rest:
                   requires:
                       - build