From 72320726079d1a47eefeee0db5697e5557dd09d5 Mon Sep 17 00:00:00 2001
From: Matthias Diener <mdiener@illinois.edu>
Date: Mon, 15 Mar 2021 13:31:41 -0500
Subject: [PATCH] test downstream projects Fixes #44.

---
 .github/workflows/ci.yml | 40 +++++++++++++++++++++++++++++++++++++++-
 1 file changed, 39 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8b57bb3b..7f336959 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -65,6 +65,44 @@ jobs:
                 build_py_project_in_conda_env
                 build_docs
 
-# vim: sw=4
+    downstream_tests:
+        strategy:
+            matrix:
+                # Reinstate when
+                # https://github.com/illinois-ceesd/mirgecom/issues/212
+                # is fixed:
+                # downstream_project: [meshmode, pytential, pytato, mirgecom]
 
+                downstream_project: [meshmode, pytential, pytato]
+        name: Tests for downstream project ${{ matrix.downstream_project }}
+        runs-on: ubuntu-latest
+        steps:
+        -   uses: actions/checkout@v2
+        -   name: "Main Script"
+            env:
+                DOWNSTREAM_PROJECT: ${{ matrix.downstream_project }}
+            run: |
+                if test "$DOWNSTREAM_PROJECT" = "mirgecom"; then
+                    git clone "https://github.com/illinois-ceesd/$DOWNSTREAM_PROJECT.git"
+                else
+                    git clone "https://github.com/inducer/$DOWNSTREAM_PROJECT.git"
+                fi
+                cd "$DOWNSTREAM_PROJECT"
+                echo "*** $DOWNSTREAM_PROJECT version: $(git rev-parse --short HEAD)"
+                sed -i "/egg=grudge/ c git+file://$(readlink -f ..)#egg=grudge" requirements.txt
+                export CONDA_ENVIRONMENT=.test-conda-env-py3.yml
+                # Avoid slow or complicated tests in downstream projects
+                export PYTEST_ADDOPTS="-k 'not (slowtest or octave or mpi)'"
+                if test "$DOWNSTREAM_PROJECT" = "mirgecom"; then
+                    # can't turn off MPI in mirgecom
+                    sudo apt-get update
+                    sudo apt-get install openmpi-bin libopenmpi-dev
+                else
+                    sed -i "/mpi4py/ d" requirements.txt
+                fi
+                curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/master/ci-support.sh
+                . ./ci-support.sh
+                build_py_project_in_conda_env
+                test_py_project
 
+# vim: sw=4
-- 
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