diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
new file mode 100644
index 0000000..81235cf
--- /dev/null
+++ b/.github/workflows/ci.yaml
@@ -0,0 +1,40 @@
+name: CI
+
+# Controls when the action will run. Triggers the workflow on push or pull request
+# events but only for the master branch
+on:
+  pull_request:
+    branches: [master]
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  build:
+    strategy:
+      matrix:
+        python-version: [3.8.6]
+    runs-on: ubuntu-latest
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Switch to Current Branch
+        run: git checkout ${{ env.BRANCH }}
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v1
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          cd key_generator/source
+          pip install -r requirements-dev.txt
+          pip install -e .
+
+      - name: Run unit tests
+        run: python -m pytest --import-mode=append tests/
diff --git a/tests/engine_test.py b/tests/prev_engine_test.py
similarity index 99%
rename from tests/engine_test.py
rename to tests/prev_engine_test.py
index d2acf79..e641acd 100644
--- a/tests/engine_test.py
+++ b/tests/prev_engine_test.py
@@ -1,6 +1,7 @@
 import sys
 
 sys.path.append("../python")
+sys.path.append("python")
 
 import engine.engine as engine
 import importlib
diff --git a/tests/unit_test/engine_test.py b/tests/unit_test/engine_test.py
new file mode 100644
index 0000000..4ad5803
--- /dev/null
+++ b/tests/unit_test/engine_test.py
@@ -0,0 +1,17 @@
+import sys
+
+sys.path.append("../../python")
+sys.path.append("python")
+
+import engine.engine as engine
+
+def test_blocked_moves():
+    """
+    Test that a blocked move does not happen.
+    """
+    print("ok")
+    game = engine.Game(automatic_draw=False)
+    game.move_from_coordinates(game.player1, 1, 4, 3, 4)
+    _, winner = game.move_from_coordinates(game.player2, 7, 0, 5, 0)
+    print("win", winner)
+    assert winner == 0