Fix failing specs and replace TravisCI with GitHub Actions (#357)

* Fix failing specs
* Add GitHub Actions CI workflow
* Remove TravisCI
* Replace TravisCI badge with GitHub Actions
* An older Ubuntu is needed for Ruby 2.2
* Adopt fix proposed by #356

.github/workflows/ci.yml

@@ -0,0 +1,41 @@
+name: CI
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+jobs:
+  spec:
+    name: "RSpec / Ruby ${{ matrix.ruby }}"
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby:
+          [
+            "2.3",
+            "2.4",
+            "2.5",
+            "2.6",
+            "2.7",
+            "3.0",
+            "3.1",
+            "3.2"
+          ]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
+      - run: bundle exec rake spec
+  spec-legacy:
+    name: "RSpec / Ruby 2.2"
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v4
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 2.2
+          bundler-cache: true
+      - name: rake spec
+        run: bundle exec rake spec

README.md

@@ -1,6 +1,7 @@
 # EM-HTTP-Request 
 
-[![Gem Version](https://badge.fury.io/rb/em-http-request.svg)](http://rubygems.org/gems/em-http-request) [![Build Status](https://travis-ci.org/igrigorik/em-http-request.svg)](https://travis-ci.org/igrigorik/em-http-request)
+[![Gem Version](https://badge.fury.io/rb/em-http-request.svg)](http://rubygems.org/gems/em-http-request)
+[![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/igrigorik/em-http-request/ci.yml)](https://github.com/igrigorik/em-http-request/actions/workflows/ci.yml)
 
 Async (EventMachine) HTTP client, with support for:
 

lib/em-http/http_connection.rb

@@ -190,6 +190,7 @@ def post_init
           # the connection because we're processing invalid HTTP
           @p.reset!
           unbind
+          :stop
         end
       end
 

spec/external_spec.rb

@@ -80,11 +80,10 @@
     end
 
     it "should detect deflate encoding" do
-      # pending "need an endpoint which supports deflate.. MSN is no longer"
       EventMachine.run {
 
         options = {:head => {"accept-encoding" => "deflate"}, :redirects => 5}
-        http = EventMachine::HttpRequest.new('http://www.libpng.org/').get options
+        http = EventMachine::HttpRequest.new('https://www.bing.com/').get options
 
         http.errback { failed(http) }
         http.callback {

spec/ssl_spec.rb

@@ -9,7 +9,7 @@
 
         http.errback { failed(http) }
         http.callback {
-          http.response_header.status.should == 302
+          http.response_header.status.should == 301
           EventMachine.stop
         }
       }