Add complete workflow file

Author: LiamPattinson

learners/files/10-CI/tests.yaml

@@ -0,0 +1,72 @@
+# This is just the name of the action, you can call it whatever you like.
+name: Tests (pytest)
+
+# This sets the events that trigger the action. In this case, we are telling
+# GitHub to run the tests whenever a push is made to the repository.
+# The trailing colon is intentional!
+on:
+  push:
+   # Only check when Python files are changed.
+   # Don't need to check when the README is updated!
+   paths:
+     - '**.py'
+     - 'pyproject.toml'
+  pull_request:
+    paths:
+      - '**.py'
+      - 'pyproject.toml'
+    # Only check when somebody raises a pull_request to main.
+    branches: [main]
+  # This allows you to run the tests manually if you choose
+  workflow_dispatch:
+
+
+# This is a list of jobs that the action will run. In this case, we have only
+# one job called build.
+jobs:
+
+  build:
+
+    strategy:
+      matrix:
+        python_version: ["3.12", "3.13", "3.14"]
+        os: ["ubuntu-latest", "windows-latest"]
+        exclude:
+          - os: "windows-latest"
+            python_version: "3.12"
+          - os: "windows-latest"
+            python_version: "3.13"
+
+    # This is the environment that the job will run on.
+    runs-on: ${{ matrix.os }}
+
+    # This is a list of steps that the job will run. Each step is a command
+    # that will be executed on the environment.
+    steps:
+
+      # This command tells GitHub to use a pre-built action. In this case, we
+      # are using the actions/checkout action to check out the repository. This
+      # just means that GitHub will clone this repository to the current
+      # working directory.
+      - uses: actions/checkout@v6
+
+      # This is the name of the step. This is just a label that will be
+      # displayed in the GitHub UI.
+      - name: Set up Python ${{ matrix.python_version }}
+        # This command tells GitHub to use a pre-built action. In this case, we
+        # are using the actions/setup-python action to set up Python 3.12.
+        uses: actions/setup-python@v6
+        with:
+            python-version: ${{ matrix.python_version }}
+
+      # This step installs the dependencies for the project such as pytest,
+      # numpy, pandas, etc using the requirements.txt file we created earlier.
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+
+      # This step runs the tests using the pytest command. 
+      - name: Run tests
+        run: |
+          pytest