Upgrade test matrix: min 2.7, 3.2 tested.

.github/workflows/integration.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['2.4', '2.5', '2.6', '2.7', '3.0', '3.1']
+        ruby: ['2.7', '3.1', '3.2']
     env:
       SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
     steps:

.github/workflows/releases.yml

@@ -25,7 +25,7 @@ jobs:
 
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.4
+          ruby-version: 2.7
           bundler-cache: true
 
       - run: make package
@@ -43,34 +43,3 @@ jobs:
           steps: ${{ toJson(steps) }}
           channel: '#opensource-cicd'
         if: always()
-
-  github:
-    needs: ci
-    runs-on: ubuntu-latest
-    steps:
-      - uses: act10ns/slack@v1
-        with:
-          status: starting
-          channel: '#opensource-cicd'
-
-      - uses: actions/checkout@v2
-
-      - uses: ruby/setup-ruby@v1
-        with:
-          ruby-version: 2.4
-          bundler-cache: true
-
-      - run: make package
-
-      - uses: ncipollo/release-action@v1
-        id: create-release
-        with:
-          artifacts: "pkg/*"
-          token: ${{ secrets.GITHUB_TOKEN }}
-
-      - uses: act10ns/slack@v1
-        with:
-          status: ${{ job.status }}
-          steps: ${{ toJson(steps) }}
-          channel: '#opensource-cicd'
-        if: always()

CHANGELOG.md

@@ -1,3 +1,8 @@
+# 2.8.0
+
+* BREAKING: removed support for ruby < 2.7 and upgraded sexpr
+  to 1.1.x
+
 # 2.7.1 - 2022-04-21
 
 * Add shadow support for Exists tree nodes, that are used by

predicate.gemspec

@@ -14,7 +14,8 @@ Gem::Specification.new do |s|
   s.homepage    = 'http://github.com/enspirit/predicate'
   s.license     = 'MIT'
 
-  s.add_runtime_dependency "sexpr", "~> 1.0"
+  s.add_runtime_dependency "sexpr", "~> 1.1"
+  s.add_runtime_dependency "minitest", ">= 5.0"
 
   s.add_development_dependency "rake", "~> 13"
   s.add_development_dependency "rspec", "~> 3"