Test

.github/workflows/ci_cd_wf.yml

@@ -0,0 +1,29 @@
+name : test
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - "*"
+
+jobs:
+  test:
+    runs-on : ubuntu-latest
+
+    steps:
+      - name: Check out repo code
+        uses: actions/checkout@v3
+
+      - name: Setup Python
+        uses: actions/setup-python@v3
+        with:
+          python-version: "3.9"
+
+      - name: Install Dependencies
+        run: |
+          python -m pip install -r requirements.txt
+      - name: Run tests
+        run: |
+          python -m pytest -v tests

tests/test_calculator.py

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+from calculator import add, div, mul, sub
+
+def test_add():
+    assert add(1, 1) == 2
+
+def test_sub():
+    assert sub(1, 1) == 0
+
+def test_mul():
+    assert mul(1, 1) == 1
+
+def test_div():
+    assert div(2, 1) == 2