Add test case for the host-based Nginx reverse proxy service

tests/default.nix

@@ -39,6 +39,10 @@ in
     inherit pkgs processManagers profiles testService;
   };
 
+  nginx-reverse-proxy-hostbased = import ./nginx-reverse-proxy-hostbased {
+    inherit pkgs processManagers profiles testService nix-processmgmt;
+  };
+
   postgresql = import ./postgresql {
     inherit pkgs processManagers profiles testService;
   };

tests/nginx-reverse-proxy-hostbased/default.nix

@@ -0,0 +1,23 @@
+{ pkgs, testService, processManagers, profiles, nix-processmgmt }:
+
+testService {
+  exprFile = ./processes.nix;
+  extraParams = {
+    inherit nix-processmgmt;
+  };
+
+  readiness = {instanceName, instance, ...}:
+    ''
+      machine.wait_for_open_port(${toString instance.port})
+    '';
+
+  tests = {instanceName, instance, ...}:
+    pkgs.lib.optionalString (instanceName == "nginx" || instanceName == "nginx2")
+      (pkgs.lib.concatMapStrings (webapp: ''
+        machine.succeed(
+            "curl --fail -H 'Host: ${webapp.dnsName}' http://localhost:${toString instance.port} | grep ': ${toString webapp.port}'"
+        )
+      '') instance.webapps);
+
+  inherit processManagers profiles;
+}

tests/nginx-reverse-proxy-hostbased/processes.nix

@@ -0,0 +1,104 @@
+{ pkgs ? import <nixpkgs> { inherit system; }
+, system ? builtins.currentSystem
+, nix-processmgmt
+, stateDir ? "/var"
+, runtimeDir ? "${stateDir}/run"
+, logDir ? "${stateDir}/log"
+, cacheDir ? "${stateDir}/cache"
+, spoolDir ? "${stateDir}/spool"
+, libDir ? "${stateDir}/lib"
+, tmpDir ? (if stateDir == "/var" then "/tmp" else "${stateDir}/tmp")
+, forceDisableUserChange ? false
+, processManager
+}:
+
+let
+  sharedConstructors = import ../../services-agnostic/constructors.nix {
+    inherit pkgs stateDir runtimeDir logDir cacheDir spoolDir libDir tmpDir forceDisableUserChange processManager;
+  };
+
+  constructors = import "${nix-processmgmt}/examples/webapps-agnostic/constructors/constructors.nix" {
+    inherit pkgs stateDir runtimeDir logDir tmpDir forceDisableUserChange processManager;
+    webappMode = null;
+  };
+in
+rec {
+  webapp1 = rec {
+    port = 5000;
+    dnsName = "webapp1.local";
+
+    pkg = constructors.webapp {
+      inherit port;
+      instanceSuffix = "1";
+    };
+  };
+
+  webapp2 = rec {
+    port = 5001;
+    dnsName = "webapp2.local";
+
+    pkg = constructors.webapp {
+      inherit port;
+      instanceSuffix = "2";
+    };
+  };
+
+  webapp3 = rec {
+    port = 5002;
+    dnsName = "webapp3.local";
+
+    pkg = constructors.webapp {
+      inherit port;
+      instanceSuffix = "3";
+    };
+  };
+
+  webapp4 = rec {
+    port = 5003;
+    dnsName = "webapp4.local";
+
+    pkg = constructors.webapp {
+      inherit port;
+      instanceSuffix = "4";
+    };
+  };
+
+  nginx = rec {
+    port = if forceDisableUserChange then 8080 else 80;
+    webapps = [ webapp1 webapp2 webapp3 webapp4 ];
+
+    pkg = sharedConstructors.nginxReverseProxyHostBased {
+      inherit port webapps;
+    } {};
+  };
+
+  webapp5 = rec {
+    port = 5004;
+    dnsName = "webapp5.local";
+
+    pkg = constructors.webapp {
+      inherit port;
+      instanceSuffix = "5";
+    };
+  };
+
+  webapp6 = rec {
+    port = 5005;
+    dnsName = "webapp6.local";
+
+    pkg = constructors.webapp {
+      inherit port;
+      instanceSuffix = "6";
+    };
+  };
+
+  nginx2 = rec {
+    port = if forceDisableUserChange then 8081 else 8080;
+    webapps = [ webapp5 webapp6 ];
+
+    pkg = sharedConstructors.nginxReverseProxyHostBased {
+      inherit port webapps;
+      instanceSuffix = "2";
+    } {};
+  };
+}