Step4

.github/workflows/api.yml

@@ -0,0 +1,21 @@
+name: API workflow
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    name: Test python API
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-python@v2
+      with:
+        python-version: '3.10'
+    - name: Install requirements
+      run: pip install -r api/requirements.txt
+    - name: Run tests and collect coverage
+      run: pytest --cov
+    - name: Upload coverage reports to Codecov with GitHub Action
+      uses: codecov/codecov-action@v5
+      env:
+        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

.gitignore

@@ -5,3 +5,4 @@ __pycache__
 coverage.xml
 node_modules/
 coverage/
+venv/*

README.md

@@ -1,2 +1,3 @@
+[![codecov](https://codecov.io/gh/dfulmer/codecov-demo/graph/badge.svg?token=Y9KAYHKTQ5)](https://codecov.io/gh/dfulmer/codecov-demo)
 # codecov-demo
 This repository is meant to show Codecov's features and functionalities. You can follow along [here](https://docs.codecov.com/docs/codecov-tutorial).

api/app.py

@@ -0,0 +1,35 @@
+from flask import (
+    Flask,
+    request,
+)
+
+from calculator.calculator import Calculator
+
+app = Flask(__name__)
+
+@app.route('/api/add', methods=['POST'])
+def add():
+    return operation('add', 2)
+
+@app.route('/api/subtract', methods=['POST'])
+def subtract():
+    return operation('subtract', 2)
+
+@app.route('/api/multiply', methods=['POST'])
+def multiply():
+    return operation('multiply', 2)
+
+@app.route('/api/divide', methods=['POST'])
+def divide():
+    return operation('divide', 2)
+
+def operation(method, num_factors):
+    factors = []
+    if num_factors == 2:
+        factors.append(float(request.json.get('x')))
+        factors.append(float(request.json.get('y')))
+
+    return str(getattr(Calculator, method)(*factors))
+
+
+app.run(host='0.0.0.0', port=8080)

api/calculator/calculator.py

@@ -0,0 +1,14 @@
+class Calculator:
+    def add(x, y):
+        return x + y
+
+    def subtract(x, y):
+        return x - y
+
+    def multiply(x, y):
+        return x * y
+
+    def divide(x, y):
+        if y == 0:
+            return 'Cannot divide by 0'
+        return x * 1.0 / y

api/calculator/test_calculator.py

@@ -0,0 +1,33 @@
+from .calculator import Calculator
+
+
+def test_add():
+    assert Calculator.add(1, 2) == 3.0
+    assert Calculator.add(1.0, 2.0) == 3.0
+    assert Calculator.add(0, 2.0) == 2.0
+    assert Calculator.add(2.0, 0) == 2.0
+    assert Calculator.add(-4, 2.0) == -2.0
+
+def test_subtract():
+    assert Calculator.subtract(1, 2) == -1.0
+    assert Calculator.subtract(2, 1) == 1.0
+    assert Calculator.subtract(1.0, 2.0) == -1.0
+    assert Calculator.subtract(0, 2.0) == -2.0
+    assert Calculator.subtract(2.0, 0.0) == 2.0
+    assert Calculator.subtract(-4, 2.0) == -6.0
+
+def test_multiply():
+    assert Calculator.multiply(1, 2) == 2.0
+    assert Calculator.multiply(1.0, 2.0) == 2.0
+    assert Calculator.multiply(0, 2.0) == 0.0
+    assert Calculator.multiply(2.0, 0.0) == 0.0
+    assert Calculator.multiply(-4, 2.0) == -8.0
+
+def test_divide():
+    assert Calculator.divide(1, 2) == 0.5
+    assert Calculator.divide(1.0, 2.0) == 0.5
+    assert Calculator.divide(0, 2.0) == 0
+    assert Calculator.divide(-4, 2.0) == -2.0
+
+def test_divide_by_0():
+    assert Calculator.divide(2.0, 0) == 'Cannot divide by 0'

api/requirements.txt

@@ -0,0 +1,14 @@
+blinker==1.9.0
+click==8.2.1
+coverage==7.8.2
+Flask==3.1.1
+iniconfig==2.1.0
+itsdangerous==2.2.0
+Jinja2==3.1.6
+MarkupSafe==3.0.2
+packaging==25.0
+pluggy==1.6.0
+Pygments==2.19.1
+pytest==8.4.0
+pytest-cov==6.1.1
+Werkzeug==3.1.3

api/smiles/smiles.py

@@ -0,0 +1,6 @@
+class Smiles:
+    def smile(self):
+        return ":)"
+
+    def frown(self):
+        return ":("

api/smiles/test_smiles.py

@@ -0,0 +1,4 @@
+from .smiles import Smiles
+
+def test_smile():
+    assert Smiles().smile() == ":)"

codecov.yml

@@ -0,0 +1,19 @@
+comment:
+  layout: "condensed_header, diff, flags, components"
+
+component_management:
+  individual_components:
+    - component_id: api-calculator  # this is an identifier that should not be changed
+      name: calculator  # this is a display name, and can be changed freely
+      paths:
+        - api/calculator/
+    - component_id: api-smiles  # this is an identifier that should not be changed
+      name: smiles  # this is a display name, and can be changed freely
+      paths:
+        - api/smiles/
+coverage:
+  status:
+    project:
+      default:
+        target: 100%
+        threshold: 1%