Add selenium to github actions (#4730)

* Add selenium to github actions

* Try a docker approach

* Remove Travis env vars

* Fix obscure dockerfile error by eliminating two COPY in a row
moby/moby#37965 (comment)

* WIP

* Add trailing slash

* Use .env.example

* docker-compose.travis.yml was deleted

* Copy .env file

* Add a bug just to make sure it fails the test

* Success, remove the bug

.github/workflows/ci.yml

@@ -153,3 +153,19 @@ jobs:
         with:
           file: coverage/lcov.info
           fail_ci_if_error: true
+
+  selenium-tests:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Selenium
+        run: |
+          cp .env.example .env
+          docker build -t micromasters_watch -f ./Dockerfile-node .
+          docker build -t travis-watch -f ./travis/Dockerfile-travis-watch .
+          docker run --name travis-watch-container --env-file .env -e NODE_ENV=production -t travis-watch ./webpack_if_prod.sh
+          docker cp travis-watch-container:/src/webpack-stats.json .
+          docker cp travis-watch-container:/src/static/bundles ./static/bundles
+          ./scripts/test/run_selenium_tests_travis.sh

Dockerfile

@@ -20,8 +20,7 @@ RUN adduser --disabled-password --gecos "" mitodl
 RUN mkdir /var/media && chown -R mitodl:mitodl /var/media
 
 # Install project packages
-COPY requirements.txt /tmp/requirements.txt
-COPY test_requirements.txt /tmp/test_requirements.txt
+COPY *requirements.txt /tmp/
 RUN pip install -r requirements.txt -r test_requirements.txt
 
 # Add project

scripts/test/run_selenium_tests_travis.sh

@@ -8,5 +8,5 @@ then
     echo "webpack-stats.json must exist before running the selenium tests. Run webpack to create it."
     exit 1
 fi
-docker-compose -f docker-compose.yml -f docker-compose.travis.yml -f docker-compose.selenium.yml run \
+docker-compose -f docker-compose.yml -f docker-compose.selenium.yml run \
    selenium py.test ./selenium_tests

travis/Dockerfile-travis-watch

@@ -2,11 +2,7 @@ FROM micromasters_watch
 
 WORKDIR /src
 
-COPY package.json /src
-
-COPY yarn.lock /src
-
-ADD ./webpack_if_prod.sh /src
+COPY ./webpack_if_prod.sh yarn.lock package.json /src/
 
 USER root