integration tests: add basic test for Ruby rack

.github/workflows/test.yml

@@ -30,7 +30,8 @@ jobs:
         sudo apt install --no-install-recommends -qqyf \
           libpcre2-dev libjansson-dev libcap2-dev \
           php-dev libphp-embed libargon2-dev libsodium-dev \
-          pypy3 default-jdk-headless libperl-dev
+          pypy3 default-jdk-headless libperl-dev \
+          ruby-dev ruby-rack
     - uses: actions/checkout@v4
     - name: Set env
       run: echo "PROFILE=integration-tests" >> $GITHUB_ENV

buildconf/integration-tests.ini

@@ -1,4 +1,4 @@
 [uwsgi]
 inherit = base
 main_plugin =
-plugins = notfound,python,php,pypy,jvm,jwsgi,psgi,cgi
+plugins = notfound,python,php,pypy,jvm,jwsgi,psgi,cgi,rack

t/rack/app.ru

@@ -0,0 +1,9 @@
+class App
+
+  def call(environ)
+    [200, {'Content-Type' => 'text/html'}, ['Hello']]
+  end
+
+end
+
+run App.new

t/runner

@@ -191,6 +191,7 @@ class UwsgiTest(unittest.TestCase):
     def test_psgi_helloworld(self):
         self.start_listen_server(
             [
+                "--need-app=0",
                 "--plugins",
                 "0:cgi",
                 "--cgi",
@@ -201,6 +202,20 @@ class UwsgiTest(unittest.TestCase):
         with requests.get(f"http://{UWSGI_HTTP}/foobar/say_hello") as r:
             self.assertEqual(r.text, "Hello world!\nPATH_INFO=/foobar/say_hello\n")
 
+    @unittest.skipUnless(*plugins_available(["rack"]))
+    def test_rack_helloworld(self):
+        self.start_listen_server(
+            [
+                "--plugins",
+                "0:rack",
+                "--rack",
+                os.path.join(TESTS_DIR, "rack", "app.ru"),
+            ]
+        )
+
+        with requests.get(f"http://{UWSGI_HTTP}/") as r:
+            self.assertEqual(r.text, "Hello")
+
 
 if __name__ == "__main__":
     unittest.main()