Switch from TravisCI to Github Actions for CI.

PiperOrigin-RevId: 335098666

.github/workflows/main.yml

@@ -0,0 +1,12 @@
+on: [pull_request]
+
+jobs:
+  run_tests_job:
+    runs-on: ubuntu-latest
+    name: run_tests
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Run tests
+        uses: ./ # Uses an action in the root directory
+        id: run_tests

Dockerfile

@@ -12,5 +12,3 @@ RUN apt-get -y update
 RUN apt-get -y install bazel
 RUN apt-get -y install python3 python-is-python3 python3-distutils
 RUN printf "startup --output_user_root=/tmp/bazel_output\n" > /root/.bazelrc
-
-WORKDIR /root/agent_based_epidemic_sim

README.md

@@ -53,7 +53,8 @@ bazel-bin/agent_based_epidemic_sim/applications/home_work/main \
 ```shell
 docker build -t $USER/abesim .
 
-docker run -t --rm -v $PWD:/root/agent_based_epidemic_sim:cached \
+docker run -t --rm -w /root/agent_based_epidemic_sim \
+  -v $PWD:/root/agent_based_epidemic_sim:cached \
   -v /tmp/output:/tmp/output:delegated \
   -v /tmp/bazel_output:/tmp/bazel_output:delegated \
   $USER/abesim \
@@ -92,7 +93,7 @@ bazel test agent_based_epidemic_sim/...
 ```shell
 docker build -t $USER/abesim .
 
-docker run -t --rm \
+docker run -t --rm -w /root/agent_based_epidemic_sim \
   -v $PWD:/root/agent_based_epidemic_sim:cached  \
   -v /tmp/bazel_output:/tmp/bazel_output:delegated \
   $USER/abesim bazel test agent_based_epidemic_sim/...

action.yml

@@ -0,0 +1,11 @@
+name: 'run_tests'
+description: 'Run all tests.'
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+  entrypoint: 'bazel'
+  args:
+  - 'test'
+  - '--test_output=errors'
+  - 'agent_based_epidemic_sim/...'
+