MAINT run a basic smoke test

.github/workflows/tests.yml

@@ -0,0 +1,42 @@
+---
+on:
+    push:
+      branches:
+      - main
+      - maint/*
+      tags:
+      - '*'
+    pull_request:
+      branches:
+      - main
+      - maint/*
+
+defaults:
+    run:
+        shell: bash
+
+
+jobs:
+    lazy-test:
+        runs-on: ubuntu-latest
+        strategy:
+          fail-fast: false
+          matrix:
+            python-version: ['3.10', '3.11', '3.12']
+        steps:
+        - uses: actions/checkout@v4
+          name: Set up Python ${{ matrix.python-version }}
+        - uses: actions/setup-python@v5
+          with:
+            python-version: ${{ matrix.python-version }}
+
+        - name: Install build dependencies
+          run: python -m pip install --upgrade pip
+        - name: Install task package
+          run: pip install -e .[test]
+
+        - name: Run the tests script as a smoke test.
+          run: |
+            python general_class_balancer/tests/random_example_test.py
+            echo "Got exit code: $?"
+            exit "$?"

README.md

@@ -1,6 +1,7 @@
 # General Class Balancer
 
 Author: mleming
+
 Maintainer: Hao-Ting Wang
 
 ## Description

general_class_balancer/tests/random_example_test.py

@@ -1,3 +1,4 @@
+import sys
 import numpy as np
 from numpy.random import normal as norm
 import matplotlib.pyplot as plt
@@ -94,4 +95,6 @@ def test_all(classes, confounds):
     plt.hist(confounds[cnum, classes == 1], bins=bins)
     plt.hist(confounds[cnum, classes == 2], bins=bins)
 
-plt.show()
+plt.savefig("test_data.png")
+
+sys.exit()