ci: Add downstream test for Eask

.elpaignore

@@ -1,4 +1,5 @@
 .bumpversion.cfg
+.eask
 .elpaignore
 .github
 Makefile

.github/workflows/test-eask.yml

@@ -0,0 +1,80 @@
+name: Test downstream Eask
+
+permissions:
+  actions: read
+  checks: read
+  contents: read
+  deployments: none
+  id-token: none
+  issues: read
+  discussions: none
+  packages: none
+  pages: none
+  pull-requests: read
+  repository-projects: read
+  security-events: read
+  statuses: read
+
+on:
+  pull_request:
+  push:
+    branches:
+      - 'master'
+      - '*'
+    paths-ignore:
+      - 'bin/*'
+      - 'docs/images/*'
+      - 'docs/running-tests.md'
+      - 'scripts'
+
+jobs:
+  build:
+    name: Build and test
+    runs-on: ${{ matrix.os }}
+    continue-on-error: ${{ matrix.experimental }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        emacs-version:
+          - 26.3
+          - 27.2
+          - 28.2
+          - 29.4
+        experimental: [false]
+        include:
+        - os: ubuntu-latest
+          emacs-version: snapshot
+          experimental: true
+        - os: macos-latest
+          emacs-version: snapshot
+          experimental: true
+        # TODO: There is an upstream error on windows, ignore it for now.
+        #- os: windows-latest
+        #  emacs-version: snapshot
+        #  experimental: true
+        exclude:
+          - os: macos-latest
+            emacs-version: 26.3
+          - os: macos-latest
+            emacs-version: 27.2
+
+    steps:
+    - uses: jcs090218/setup-emacs@master
+      with:
+        version: ${{ matrix.emacs-version }}
+
+    - uses: emacs-eask/setup-eask@master
+      with:
+        version: 'snapshot'
+
+    - uses: actions/checkout@v4
+
+    - name: Generate Eask-file to link
+      run: eask init --from source buttercup.el
+
+    - name: Test downstream Eask
+      working-directory: ./tests/fixtures/SampleElispProject/
+      run: |
+        eask link add buttercup ../../../
+        eask test buttercup

.gitignore

@@ -4,3 +4,6 @@
 # ELPA-generated files
 /buttercup-autoloads.el
 /buttercup-pkg.el
+
+# Eask generated
+/.eask

tests/fixtures/SampleElispProject/.gitignore

@@ -0,0 +1,5 @@
+*.elc
+/dist
+
+# Eask generated
+/.eask

tests/fixtures/SampleElispProject/Eask

@@ -0,0 +1,14 @@
+(package "SampleElispProject"
+         "0.0.1"
+         "Sample elis project")
+
+(website-url "https://github.com/jorgenschaefer/emacs-buttercup")
+(keywords "test")
+
+(package-file "SampleElispProject.el")
+
+(script "test" "echo \"Error: no test specified\" && exit 1")
+
+(source 'gnu)
+
+(depends-on "emacs" "26.3")

tests/fixtures/SampleElispProject/SampleElispProject.el

@@ -0,0 +1,37 @@
+;;; SampleElispProject.el --- Sample elis project  -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2024  Shen, Jen-Chieh
+
+;; Author: Shen, Jen-Chieh <[email protected]>
+;; Maintainer: Shen, Jen-Chieh <[email protected]>
+;; URL: https://github.com/jorgenschaefer/emacs-buttercup
+;; Version: 0.0.1
+;; Package-Requires: ((emacs "26.1"))
+;; Keywords: test
+
+;; This file is not part of GNU Emacs.
+
+;; This program is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+;;; Commentary:
+;;
+;;
+;;
+
+;;; Code:
+
+
+
+(provide 'SampleElispProject)
+;;; SampleElispProject.el ends here

tests/fixtures/SampleElispProject/test/buttercup-test.el

@@ -0,0 +1,5 @@
+;;; lexical-binding is required -*- lexical-binding: t; -*-
+
+(describe "A suite"
+  (it "contains a spec with an expectation"
+    (expect t :to-be t)))