[nongnu] elpa/zenburn-theme 212c97c798 2/3: Run the test suite in CI

[ELPA Syncer]

branch: elpa/zenburn-theme
commit 212c97c79841a89e146663d2a66b955d64da26e3
Author: Bozhidar Batsov <bozhi...@batsov.dev>
Commit: Bozhidar Batsov <bozhi...@batsov.dev>

    Run the test suite in CI
    
    Add a test job that runs Eldev/Buttercup across the supported Emacs
    versions, and surface build status with a CI badge in the README.
---
 .github/workflows/ci.yml | 16 ++++++++++++++++
 README.md                |  1 +
 2 files changed, 17 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index baacb27d88..d217d4f7d3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,3 +24,19 @@ jobs:
             -f batch-byte-compile zenburn-theme.el
       - name: Load theme
         run: emacs --batch -L . -l zenburn-theme.el
+
+  test:
+    runs-on: ubuntu-latest
+    continue-on-error: ${{ matrix.emacs-version == 'snapshot' }}
+    strategy:
+      matrix:
+        emacs-version: ['27.2', '28.2', '29.4', '30.1', 'snapshot']
+    steps:
+      - uses: actions/checkout@v4
+      - uses: purcell/setup-emacs@master
+        with:
+          version: ${{ matrix.emacs-version }}
+      - name: Install Eldev
+        run: curl -fsSL 
https://raw.github.com/doublep/eldev/master/webinstall/github-eldev | sh
+      - name: Run tests
+        run: eldev -dtT buttercup
diff --git a/README.md b/README.md
index 89d66a8dbf..420c971443 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
 # zenburn-theme for Emacs
 
+[![CI](https://github.com/bbatsov/zenburn-emacs/actions/workflows/ci.yml/badge.svg)](https://github.com/bbatsov/zenburn-emacs/actions/workflows/ci.yml)
 [![License GPL 3][badge-license]](https://www.gnu.org/licenses/gpl-3.0.txt)
 
[![MELPA](https://melpa.org/packages/zenburn-theme-badge.svg)](https://melpa.org/#/zenburn-theme)
 [![MELPA 
Stable](https://stable.melpa.org/packages/zenburn-theme-badge.svg)](https://stable.melpa.org/#/zenburn-theme)