From 2b705ba17aa0f2544d22b2bb7d8ed59189796a64 Mon Sep 17 00:00:00 2001
From: Ashton Snelgrove <ashton.snelgrove@utah.edu>
Date: Wed, 13 Jan 2021 16:38:13 -0700
Subject: [PATCH] Add building a regression test image on master.

---
 .github/workflows/build.yml      | 21 +++++++++++++----
 .github/workflows/regression.yml | 39 ++++++++++++++++++++++++++++++++
 docker/Dockerfile.regression     |  5 ++++
 3 files changed, 61 insertions(+), 4 deletions(-)
 create mode 100644 .github/workflows/regression.yml
 create mode 100644 docker/Dockerfile.regression

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index bb93d63b3..182b79df7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,11 +1,16 @@
 name: linux_build
 
 # Run CI on
-# - each push
-# - each pull request
-# - scheduled weekly
+# - each push if no code has changed
 on:
   push:
+    paths:
+      - '**.c'
+      - '**.cc'
+      - '**.c\+\+'
+      - '**.cpp'
+      - '**.h'
+      - '**.hh'
   pull_request:
   schedule:
     - cron: '0 0 * * 0 ' # weekly
@@ -137,6 +142,7 @@ jobs:
             yosys/yosys-smtbmc
   docker_distribution:
     name: Build docker image for distribution
+    if: ${{ github.ref == 'refs/heads/master'}}
     runs-on: ubuntu-latest
     needs: linux_build
     steps:
@@ -156,13 +162,20 @@ jobs:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.CR_PAT }}
-      - name: Build and push
+      - name: Build and push runtime image
         uses: docker/build-push-action@v2
         with:
           context: .
           file: ./docker/Dockerfile.run
           push: true
           tags: ghcr.io/lnis-uofu/openfpga-run:latest
+      - name: Build and push test image
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./docker/Dockerfile.test
+          push: true
+          tags: ghcr.io/lnis-uofu/openfpga-regression-tests:latest
   regression_tests:
     name: Regression tests
     runs-on: ubuntu-18.04
diff --git a/.github/workflows/regression.yml b/.github/workflows/regression.yml
new file mode 100644
index 000000000..5386463d2
--- /dev/null
+++ b/.github/workflows/regression.yml
@@ -0,0 +1,39 @@
+name: regression_tests
+
+# Run regressions on each push if no code has changed
+on:
+  push:
+    paths-ignore:
+      - '**.c'
+      - '**.cc'
+      - '**.c\+\+'
+      - '**.cpp'
+      - '**.h'
+      - '**.hh'
+
+# Multiple job to tests
+jobs:
+  regression_tests:
+    name: Regression tests
+    runs-on: ubuntu-18.04
+    container: ghcr.io/lnis-uofu/openfpga-regression-tests:latest
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+          - name: "Basic Regression Tests: GCC-8 (Ubuntu 18.04)"
+            script: basic_reg_test.sh
+          - name: "FPGA-Verilog Regression Tests: GCC-8 (Ubuntu 18.04)"
+            script: fpga_verilog_reg_test.sh
+          - name: "FPGA-Bitstream Regression Tests: GCC-8 (Ubuntu 18.04)"
+            script: fpga_bitstream_reg_test.sh
+          - name: "FPGA-SDC Regression Tests: GCC-8 (Ubuntu 18.04)"
+            script: fpga_sdc_reg_test.sh
+          - name: "FPGA-SPICE Regression Tests: GCC-8 (Ubuntu 18.04)"
+            script: fpga_spice_reg_test.sh
+    steps:
+      - name: Checkout OpenFPGA repo
+        uses: actions/checkout@v2
+      - name: ${{matrix.config.name}}
+        shell: bash
+        run: source .github/workflows/${{matrix.config.script}}
diff --git a/docker/Dockerfile.regression b/docker/Dockerfile.regression
new file mode 100644
index 000000000..25ba2cbbd
--- /dev/null
+++ b/docker/Dockerfile.regression
@@ -0,0 +1,5 @@
+FROM ghcr.io/lnis-uofu/openfpga-buildenv-test:latest
+RUN mkdir /opt/openfpga
+COPY abc/abc ace2/ace openfpga/openfpga vpr/vpr yosys/yosys yosys/yosys-abc yosys/yosys-config yosys/yosys-filterlib yosys/yosys-smtbmc /opt/openfpga/
+RUN cd /opt/openfpga && chmod +x abc ace openfpga vpr yosys yosys-abc yosys-config yosys-filterlib yosys-smtbmc
+ENV PATH="/opt/openfpga:${PATH}"