Replace evg unit testing with github action (#302)

Author: Nikolas De Giorgis

.evergreen.yml

@@ -19,15 +19,6 @@ functions:
       params:
         directory: mongodb-kubernetes-operator
 
-  go_test:
-    - command: subprocess.exec
-      type: test
-      params:
-        include_expansions_in_env:
-          - version_id
-        working_dir: mongodb-kubernetes-operator
-        binary: scripts/ci/run_unit_tests.sh
-
   setup_operator_sdk:
     - command: subprocess.exec
       type: setup
@@ -227,13 +218,6 @@ tasks:
         - func: setup_virtualenv
         - func: black_formatting_test
 
-  - name: unit_tests
-    commands:
-      - func: clone
-      - func: setup_virtualenv
-      - func: go_test
-
-
   - name: mypy_linting
     commands:
         - func: clone
@@ -366,13 +350,6 @@ tasks:
 
 
 buildvariants:
-  - name: go_unit_tests
-    display_name: go_unit_tests
-    run_on:
-      - ubuntu1604-build
-    tasks:
-      - name: unit_tests
-
   - name: e2e_tests
     display_name: e2e_tests
     run_on:

.github/workflows/go.yml

@@ -0,0 +1,23 @@
+name: Go
+
+on:
+  pull_request:
+    branches: [master]
+
+jobs:
+
+  UnitTests:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.14
+
+    - name: Test pkg
+      run: go test -v ./pkg/...
+
+    - name: Test mongotester
+      run: go test -v ./test/e2e/util/mongotester/...

scripts/ci/run_unit_tests.sh

@@ -25,13 +25,6 @@ def e2e_params(files_to_add: List[str]) -> DockerParameters:
     }
 
 
-def unit_test_params(files_to_add: List[str]) -> DockerParameters:
-    return {
-        "base_image": f"golang:{GOLANG_TAG}",
-        "files_to_add": files_to_add,
-    }
-
-
 def python_formatting_params(files_to_add: List[str], script: str) -> DockerParameters:
     return {
         "base_image": "python:slim",
@@ -42,7 +35,6 @@ def python_formatting_params(files_to_add: List[str], script: str) -> DockerPara
 
 def render(image_name: str, files_to_add: List[str], script_location: str) -> str:
     param_dict = {
-        "unittest": unit_test_params(files_to_add),
         "e2e": e2e_params(files_to_add),
         "operator": operator_params(files_to_add),
         "python_formatting": python_formatting_params(files_to_add, script_location),