WIP: create tests

flake.lock

@@ -1,5 +1,20 @@
 {
   "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1690789960,
+        "narHash": "sha256-3K+2HuyGTiJUSZNJxXXvc0qj4xFx1FHC/ItYtEa7/Xs=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "fb942492b7accdee4e6d17f5447091c65897dde4",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-unstable",
+        "type": "indirect"
+      }
+    },
     "nixpkgs-lib": {
       "locked": {
         "lastModified": 1673743903,
@@ -17,6 +32,7 @@
     },
     "root": {
       "inputs": {
+        "nixpkgs": "nixpkgs",
         "nixpkgs-lib": "nixpkgs-lib"
       }
     }

flake.nix

@@ -2,13 +2,27 @@
   description = "NixOS modules for matrix related services";
 
   inputs = {
-    nixpkgs-lib.url = github:nix-community/nixpkgs.lib;
+    nixpkgs-lib.url = "github:nix-community/nixpkgs.lib";
+    nixpkgs.url = "nixpkgs/nixos-unstable";
   };
 
-  outputs = { self, nixpkgs-lib }: {
+  outputs = { self, nixpkgs, nixpkgs-lib }: {
     nixosModules = {
       default = import ./module.nix;
     };
+
     lib = import ./lib.nix { lib = nixpkgs-lib.lib; };
+
+    packages = let
+      system = "x86_64-linux";
+      pkgs = nixpkgs.legacyPackages.${system};
+    in {
+        ${system}.tests = import ./tests {
+        inherit system;
+        inherit nixpkgs;
+        inherit pkgs;
+        nixosModule = self.outputs.nixosModules.synapse;
+      };
+    };
   };
 }

tests/auto-workers-config.nix

@@ -0,0 +1,18 @@
+{ pkgs, lib, ... }:
+{
+  services.matrix-synapse-next = {
+    enable = true;
+    settings.server_name = "matrix.example.com";
+
+    workers = {
+      enableMetrics = true;
+
+      federationSenders = 2;
+      federationReceivers = 2;
+      initialSyncers = 2;
+      normalSyncers = 2;
+      eventPersisters = 2;
+      useUserDirectoryWorker = true;
+    };
+  };
+}

tests/base-config.nix

@@ -0,0 +1,7 @@
+{ pkgs, lib, ... }:
+{
+  services.matrix-synapse-next = {
+    enable = true;
+    settings.server_name = "matrix.example.com";
+  };
+}

tests/default.nix

@@ -0,0 +1,16 @@
+{ nixpkgs, pkgs, system ? pkgs.system, nixosModule, ... }: let
+  buildSystemWithConfig = configPath: (nixpkgs.lib.nixosSystem {
+    inherit system;
+    modules = [
+      nixosModule
+      configPath
+      {
+        boot.isContainer = true;
+      }
+    ];
+  }).config.system.build.toplevel;
+in {
+  a = pkgs.writeText "hello-world" ''a'';
+  base-config = buildSystemWithConfig ./base-config.nix;
+  auto-workers-config = buildSystemWithConfig ./auto-workers-config.nix;
+}