Create Unit Tests workflow for Python 3.11

.github/workflows/Unit_Tests.yml

@@ -0,0 +1,33 @@
+# This workflow will install Python dependencies, run tests and lint with a single version of Python
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Unit_Tests
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python 3.11
+      uses: actions/setup-python@v3
+      with:
+        python-version: "3.11"
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install pytest
+        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+    - name: Test with pytest
+      run: |
+        pytest tests --ignore=tests/_old_unit_tests

tests/test_Combined_Solver.py

@@ -2,6 +2,7 @@
 import yroots as yr
 import yroots.ChebyshevSubdivisionSolver as ChebyshevSubdivisionSolver
 import pytest
+from pathlib import Path
 
 # These are tests from Combined
 
@@ -222,6 +223,12 @@ def test_exact_option():
     We find the roots using the exact method and non-exact method.
     Then we make sure we got the same roots between the two, and that those roots are correct.
     """
+
+    THIS_DIR = Path(__file__).resolve().parent          # .../tests
+    ROOT_DIR = THIS_DIR.parent                          # repo root (if tests/ is at root)
+    actual_roots_path = ROOT_DIR / "Polished_results" / "polished_2.3.npy"
+    chebfun_roots_path = ROOT_DIR / "Chebfun_results" / "test_roots_2.3.csv"
+
     f = lambda x,y: np.sin(4*(x + y/10 + np.pi/10))
     g = lambda x,y: np.cos(2*(x-2*y+ np.pi/7))
     a,b = np.array([-1,-1]),np.array([1,1])
@@ -230,8 +237,8 @@ def test_exact_option():
     yroots_non_exact = yr.solve(funcs,a,b,exact=False)
     yroots_exact = yr.solve(funcs,a,b,exact=True)
 
-    actual_roots = np.load('../Polished_results/polished_2.3.npy')
-    chebfun_roots = np.loadtxt('../Chebfun_results/test_roots_2.3.csv', delimiter=',')
+    actual_roots = np.load(actual_roots_path)
+    chebfun_roots = np.loadtxt(chebfun_roots_path, delimiter=',')
 
     assert len(yroots_non_exact) == len(actual_roots)
     assert len(yroots_exact) == len(actual_roots)
@@ -275,4 +282,4 @@ def testoutside_neg1_pos1():
     yroots, boxes = yr.solve(funcs, a, b, returnBoundingBoxes=True)
     for root, box in zip(yroots,boxes):
         box = ChebyshevSubdivisionSolver.TrackedInterval(box)
-        assert box.__contains__(root) == True
+        assert box.__contains__(root) == True