use GitHub actions for tests

.github/workflows/build_wheels.yml

@@ -12,12 +12,12 @@ jobs:
         os: [ macos-12, macos-13-xlarge, macos-14, ubuntu-latest, windows-latest ]
 
     steps:
-      - uses: fortran-lang/setup-fortran@main
-        if: matrix.os == 'windows-latest'
-        id: setup-fortran
-        with:
-          compiler: gcc
-          version: 13
+#      - uses: fortran-lang/setup-fortran@main
+#        if: matrix.os == 'windows-latest'
+#        id: setup-fortran
+#        with:
+#          compiler: gcc
+#          version: 13
 
       - run: ln -s $(which gfortran-14) /usr/local/bin/gfortran
         if: matrix.os != 'windows-latest' && matrix.os != 'ubuntu-latest'
@@ -85,7 +85,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
+          python-version: "3.x"
           cache: pip
           cache-dependency-path: "setup.py"
 

.github/workflows/test_fortran.yml

@@ -0,0 +1,37 @@
+name: Build and Test Fortran
+
+on:
+  push:
+    branches-ignore:
+      - 'test**'
+  pull_request:
+
+jobs:
+  fortran-test:
+    runs-on: ubuntu-latest
+    if: github.event_name != 'pull_request' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name != 'cmbant/camb')
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: recursive
+        fetch-depth: 0
+
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: "3.x"
+
+    - name: Install python requirements
+      run: python -m pip install numpy
+
+    - name: Run Build and Test Script
+      run: bash fortran/tests/run_tests.sh
+
+    - name: Upload Test Files on Failure
+      if: failure()
+      uses: actions/upload-artifact@v4
+      with:
+        name: test-output-${{ github.sha }}
+        path: fortran/testfiles/
+        if-no-files-found: warn

.github/workflows/tests.yml

@@ -0,0 +1,61 @@
+name: Python tests
+
+on: [push, pull_request]
+
+jobs:
+  python_tests:
+    runs-on: ubuntu-latest
+    if: (github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != 'cmbant/camb')
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+        - name: "Latest Python 3.x"
+          os: ubuntu-latest
+          python-version: 3.x
+        - name: "OS X Python 3.8"
+          os: macos-latest
+          python-version: 3.8
+        - name: "Windows Python 3.12"
+          os: windows-latest
+          python-version: 3.12
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: recursive
+        fetch-depth: 0
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+        allow-prereleases: true
+
+    - run: ln -s $(which gfortran-14) /usr/local/bin/gfortran
+      if: matrix.os == 'macos-latest'
+
+    - name: flake8 Lint
+      if: matrix.os == 'ubuntu-latest'
+      uses: py-actions/flake8@v2
+      with:
+          args: --select=E713,E704,E703,E714,E10,E11,E20,E22,E23,E25,E27,E301,E302,E304,E9,F405,F406,F5,F6,F7,F8,W1,W2,W3,W6 --show-source --statistics
+          path: camb
+          max-line-length: "120"
+
+    - name: Install dependencies
+      run: |
+        python --version
+        gfortran --version
+        pip install -e . 
+
+    - name: Run tests
+      run: |
+        python -c "import camb; print(camb.__version__)"
+        python -m unittest camb.tests.camb_test
+
+    - name: HM code tests
+      if: matrix.os == 'ubuntu-latest'
+      run: |
+        git clone https://github.com/alexander-mead/HMcode_test_outputs.git
+        python -m unittest camb.tests.hmcode_test

README.rst

@@ -11,8 +11,8 @@ CAMB
    :target: https://anaconda.org/conda-forge/camb
 .. image:: https://readthedocs.org/projects/camb/badge/?version=latest
    :target: https://camb.readthedocs.io/en/latest
-.. image:: https://img.shields.io/travis/com/cmbant/camb
-  :target: https://app.travis-ci.com/cmbant/camb/builds
+.. image:: https://github.com/cmbant/camb/actions/workflows/tests.yml/badge.svg?branch=master
+  :target: https://github.com/cmbant/CAMB/actions
 .. image:: https://mybinder.org/badge_logo.svg
   :target: https://mybinder.org/v2/gh/cmbant/CAMB/HEAD?filepath=docs%2FCAMBdemo.ipynb
 
@@ -57,8 +57,7 @@ Branches
 
 The master branch contains latest changes to the main release version.
 
-The devel branch contains latest less-stable things in development.
-The master and devel branches have an integrated test suite, which runs automatically on `Travis <https://travis-ci.org>`_  for new commits and pull requests.
+There isa a test suite, which runs automatically on GitHub actions for new commits and pull requests.
 Reference results and test outputs are stored in the `test outputs repository <https://github.com/cmbant/CAMB_test_outputs/>`_. Tests can also be run locally.
 
 To reproduce legacy results, see these branches:

camb/tests/camb_test.py

@@ -13,7 +13,7 @@
 from camb import model, correlations, bbn, dark_energy, initialpower
 from camb.baseconfig import CAMBParamRangeError, CAMBValueError
 
-fast = 'ci fast' in os.getenv("TRAVIS_COMMIT_MESSAGE", "") or os.getenv("GITHUB_ACTIONS")
+fast = 'ci fast' in os.getenv("GITHUB_ACTIONS")
 
 
 class CambTest(unittest.TestCase):

fortran/readme.html

@@ -152,8 +152,8 @@ <H3>Compilation options and code modifications</H3>
 See the <a href="https://camb.info/doc/classes/_index.html">class hierarchy</a> for how the different components of the calculation are structured.
 Some details about what different source code files do are given <A HREF="#FILES">below</A>, see also the <A HREF="https://cosmologist.info/notes/CAMB.pdf">CAMB notes</A>.
 <P>
-A test suite is included, and will run automatically on <A HREF="https://travis-ci.com/">Travis</A> when committing or making pull requests on the <A HREF="https://github.com/cmbant/CAMB">GitHub repository</A>.
-    Python unit tests are in the camb.tests, and scripts for comparing outputs for a variety of models (as run on Travis) are in the tests directory.
+A test suite is included, and will run automatically on GitHub when committing or making pull requests on the <A HREF="https://github.com/cmbant/CAMB">GitHub repository</A>.
+    Python unit tests are in the camb.tests, and scripts for comparing outputs for a variety of models are in the fortran/tests directory.
 
 <A NAME="FILES">
 <H3>The source files</H3>

fortran/tests/run_tests.sh

@@ -1,27 +1,7 @@
 set -e
 
-gfortran --version
 python --version
-pip install -e .
-python -c "import camb; print(camb.__version__)"
-python -m unittest camb.tests.camb_test
-rm -Rf HMcode_test_outputs
-git clone https://github.com/alexander-mead/HMcode_test_outputs.git
-python -m unittest camb.tests.hmcode_test
-rm -Rf HMcode_test_outputs
-pip uninstall -y camb
-rm -Rf dist/*
-rm -Rf build/*
-rm -f camb/*.so
-
-case "$TRAVIS_BRANCH" in
- devel*)
-       BRANCH="master"
-       ;;
-    *)
-       BRANCH="master"
-       ;;
-esac
+gfortran --version
 
 pushd fortran
 
@@ -32,8 +12,8 @@ mkdir -p testfiles
 python tests/CAMB_test_files.py testfiles --make_ini
 
 pushd testfiles
-echo "cloning test output branch:" $BRANCH
-git clone -b $BRANCH --depth=1 https://github.com/cmbant/CAMB_test_outputs.git
+echo "cloning test output"
+git clone --depth=1 https://github.com/cmbant/CAMB_test_outputs.git
 popd
 
 python tests/CAMB_test_files.py testfiles --diff_to CAMB_test_outputs/test_outputs --verbose