selective test (#10)

.github/scripts/domain-check.js

@@ -0,0 +1,137 @@
+//
+// This script is used by pr.yml to determine if a domain must be tested based
+// on the files modified in the pull request.
+//
+
+// Given a domain name and set of files, return true if the domain should be
+// tested
+function matchesPattern(domain, filePaths) {
+  // filter files that end in .md
+  filePaths = filePaths.filter(
+    (filePath) =>
+      !filePath.endsWith(".md") &&
+      !filePath.startsWith("docs/") &&
+      !filePath.startsWith("third-party-programs/"),
+  );
+  // These directories contain domain specific code
+  const dirs = "(tests/unit_tests|examples|src|include/oneapi/mkl)";
+  const domains = "(blas|lapack|rng|dft)";
+  // matches changes to the domain of interest or non domain-specific code
+  const re = new RegExp(`^(${dirs}/${domain}|(?!${dirs}/${domains}))`);
+  const match = filePaths.some((filePath) => re.test(filePath));
+  return match;
+}
+
+// Return the list of files modified in the pull request
+async function prFiles(github, context) {
+  const response = await github.rest.pulls.listFiles({
+    owner: context.repo.owner,
+    repo: context.repo.repo,
+    pull_number: context.payload.pull_request.number,
+  });
+  const prFiles = response.data.map((file) => file.filename);
+  return prFiles;
+}
+
+// Called by pr.yml. See:
+// https://github.com/actions/github-script/blob/main/README.md for more
+// information on the github and context parameters
+module.exports = async ({ github, context, domain }) => {
+  if (!context.payload.pull_request) {
+    console.log("Not a pull request. Testing all domains.");
+    return true;
+  }
+  const files = await prFiles(github, context);
+  const match = matchesPattern(domain, files);
+  console.log("Domain: ", domain);
+  console.log("PR files: ", files);
+  console.log("Match: ", match);
+  return match;
+};
+
+//
+// Test the matchesPattern function
+//
+// Run this script with `node domain-check.js` It should exit with code 0 if
+// all tests pass.
+//
+// If you need to change the set of files that are ignored, add a test pattern
+// below with positive and negative examples. It is also possible to test by
+// setting up a fork and then submitting pull requests that modify files, but
+// it requires a lot of manual work.
+//
+test_patterns = [
+  {
+    domain: "blas",
+    files: ["tests/unit_tests/blas/test_blas.cpp"],
+    expected: true,
+  },
+  {
+    domain: "rng",
+    files: ["examples/rng/example_rng.cpp"],
+    expected: true,
+  },
+  {
+    domain: "lapack",
+    files: ["include/oneapi/mkl/lapack/lapack.hpp"],
+    expected: true,
+  },
+  {
+    domain: "dft",
+    files: ["src/dft/lapack.hpp"],
+    expected: true,
+  },
+  {
+    domain: "dft",
+    files: ["src/dft/lapack.md"],
+    expected: false,
+  },
+  {
+    domain: "blas",
+    files: ["tests/unit_tests/dft/test_blas.cpp"],
+    expected: false,
+  },
+  {
+    domain: "rng",
+    files: ["examples/blas/example_rng.cpp"],
+    expected: false,
+  },
+  {
+    domain: "lapack",
+    files: ["include/oneapi/mkl/rng/lapack.hpp"],
+    expected: false,
+  },
+  {
+    domain: "dft",
+    files: ["src/lapack/lapack.hpp"],
+    expected: false,
+  },
+  {
+    domain: "dft",
+    files: ["docs/dft/dft.rst"],
+    expected: false,
+  },
+  {
+    domain: "dft",
+    files: ["third-party-programs/dft/dft.rst"],
+    expected: false,
+  },
+];
+
+function testPattern(test) {
+  const result = matchesPattern(test.domain, test.files);
+  if (result !== test.expected) {
+    console.log("Fail:");
+    console.log("  domain:", test.domain);
+    console.log("  files:", test.files);
+    console.log("  expected:", test.expected);
+    console.log("  result:", result);
+    process.exit(1);
+  }
+}
+
+if (require.main === module) {
+  // invoke test for each test pattern
+  test_patterns.forEach(testPattern);
+  console.log("All tests pass");
+}

.github/workflows/pr.yml

@@ -1,7 +1,7 @@
 name: "PR Tests"
 permissions: read-all
 
-# Trigger for PR an merge to develop branch
+# Trigger for PR and merge to develop branch
 on:
   push:
     branches: develop
@@ -21,34 +21,40 @@ jobs:
       matrix:
         include:
         - config: portBLAS
-          options: -DTARGET_DOMAINS=blas -DREF_BLAS_ROOT=${PWD}/lapack/install -DENABLE_PORTBLAS_BACKEND=ON -DENABLE_MKLCPU_BACKEND=OFF -DPORTBLAS_TUNING_TARGET=INTEL_CPU
-          tests: '.*'
+          domain: blas
+          build_options: -DREF_BLAS_ROOT=${PWD}/lapack/install -DENABLE_PORTBLAS_BACKEND=ON -DENABLE_MKLCPU_BACKEND=OFF -DPORTBLAS_TUNING_TARGET=INTEL_CPU
         - config: portFFT
-          options: -DENABLE_PORTFFT_BACKEND=ON -DENABLE_MKLCPU_BACKEND=OFF -DTARGET_DOMAINS=dft
-          tests: 'DFT/CT/.*ComputeTests_in_place_COMPLEX.COMPLEX_SINGLE_in_place_buffer.sizes_8_batches_1*'
+          domain: dft
+          build_options: -DENABLE_PORTFFT_BACKEND=ON -DENABLE_MKLCPU_BACKEND=OFF
+          test_options: -R 'DFT/CT/.*ComputeTests_in_place_COMPLEX.COMPLEX_SINGLE_in_place_buffer.sizes_8_batches_1*'
         - config: MKL BLAS
-          options: -DTARGET_DOMAINS=blas -DREF_BLAS_ROOT=${PWD}/lapack/install
-          tests: '.*'
+          domain: blas
+          build_options: -DREF_BLAS_ROOT=${PWD}/lapack/install
         - config: MKL DFT
-          options: -DTARGET_DOMAINS=dft
-          tests: '.*'
+          domain: dft
         - config: MKL LAPACK
-          options: -DTARGET_DOMAINS=lapack -DREF_LAPACK_ROOT=${PWD}/lapack/install
-          tests: '.*'
+          domain: lapack
+          build_options: -DREF_LAPACK_ROOT=${PWD}/lapack/install
         - config: MKL RNG
-          options: -DTARGET_DOMAINS=rng
-          tests: '.*'
+          domain: rng
     name: unit tests ${{ matrix.config }} CPU
     steps:
     - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5
+    - name: Check if the changes affect this domain
+      id: domain_check
+      uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
+      with:
+        script: |
+         const domainCheck = require('.github/scripts/domain-check.js')
+         return domainCheck({github, context, domain: "${{ matrix.domain }}"})
     - name: Restore netlib from cache
       id: cache-lapack
       uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
       with:
         path: lapack/install
         key: lapack-${{ env.LAPACK_VERSION }}
     - name: Install netlib
-      if: steps.cache-lapack.outputs.cache-hit != 'true'
+      if: steps.domain_check.outputs.result == 'true' && steps.cache-lapack.outputs.cache-hit != 'true'
       run: |
         curl -sL https://github.com/Reference-LAPACK/lapack/archive/refs/tags/v${LAPACK_VERSION}.tar.gz | tar zx
         SHARED_OPT="lapack-${LAPACK_VERSION} -DBUILD_SHARED_LIBS=on -DCBLAS=on -DLAPACKE=on -DCMAKE_INSTALL_PREFIX=${PWD}/lapack/install"
@@ -59,17 +65,20 @@ jobs:
         cmake ${SHARED_OPT} -DBUILD_INDEX64=on -B lapack/build64
         cmake --build lapack/build64 ${PARALLEL} --target install
     - name: Install oneapi
+      if: steps.domain_check.outputs.result == 'true'
       uses: rscohn2/setup-oneapi@2ad0cf6b74bc2426bdcee825cf88f9db719dd727 # v0.1.0
       with:
         components: |
           icx@2024.1.0
           mkl@2024.1.0
     - name: Configure/Build for a domain
+      if: steps.domain_check.outputs.result == 'true'
       run: |
         source /opt/intel/oneapi/setvars.sh
-        cmake -DENABLE_MKLGPU_BACKEND=off -DCMAKE_VERBOSE_MAKEFILE=on ${{ matrix.options }} -B build
+        cmake -DTARGET_DOMAINS=${{ matrix.domain }} -DENABLE_MKLGPU_BACKEND=off -DCMAKE_VERBOSE_MAKEFILE=on ${{ matrix.build_options }} -B build
         cmake --build build ${PARALLEL}
     - name: Run tests
+      if: steps.domain_check.outputs.result == 'true'
       run: |
         source /opt/intel/oneapi/setvars.sh
-        ctest --test-dir build -R ${{ matrix.tests }}
+        ctest --test-dir build ${{ matrix.test_options }}