diff --git a/nixos/tests/all-tests.nix b/nixos/tests/all-tests.nix
index 68b920a4dd41..1bb0690ba773 100644
--- a/nixos/tests/all-tests.nix
+++ b/nixos/tests/all-tests.nix
@@ -788,6 +788,7 @@ in
   installer-systemd-stage-1 = handleTest ./installer-systemd-stage-1.nix { };
   intune = runTest ./intune.nix;
   invidious = runTest ./invidious.nix;
+  invoiceplane = runTest ./invoiceplane.nix;
   iodine = runTest ./iodine.nix;
   iosched = runTest ./iosched.nix;
   ipget = runTest ./ipget.nix;
diff --git a/nixos/tests/invoiceplane.nix b/nixos/tests/invoiceplane.nix
new file mode 100644
index 000000000000..4ead3ef94ee7
--- /dev/null
+++ b/nixos/tests/invoiceplane.nix
@@ -0,0 +1,116 @@
+{ pkgs, ... }:
+
+{
+  name = "invoiceplane";
+  meta = with pkgs.lib.maintainers; {
+    maintainers = [
+      onny
+    ];
+  };
+
+  nodes = {
+    invoiceplane_caddy =
+      { ... }:
+      {
+        services.invoiceplane.webserver = "caddy";
+        services.invoiceplane.sites = {
+          "site1.local" = {
+            database.name = "invoiceplane1";
+            database.createLocally = true;
+            enable = true;
+          };
+          "site2.local" = {
+            database.name = "invoiceplane2";
+            database.createLocally = true;
+            enable = true;
+          };
+        };
+
+        networking.firewall.allowedTCPPorts = [ 80 ];
+        networking.hosts."127.0.0.1" = [
+          "site1.local"
+          "site2.local"
+        ];
+      };
+
+    invoiceplane_nginx =
+      { ... }:
+      {
+        services.invoiceplane.webserver = "nginx";
+        services.invoiceplane.sites = {
+          "site1.local" = {
+            database.name = "invoiceplane1";
+            database.createLocally = true;
+            enable = true;
+          };
+          "site2.local" = {
+            database.name = "invoiceplane2";
+            database.createLocally = true;
+            enable = true;
+          };
+        };
+
+        networking.firewall.allowedTCPPorts = [ 80 ];
+        networking.hosts."127.0.0.1" = [
+          "site1.local"
+          "site2.local"
+        ];
+      };
+  };
+
+  testScript = ''
+    start_all()
+
+    invoiceplane_caddy.wait_for_unit("caddy")
+    invoiceplane_nginx.wait_for_unit("nginx")
+
+    site_names = ["site1.local", "site2.local"]
+
+    machines = [invoiceplane_caddy, invoiceplane_nginx]
+
+    for machine in machines:
+      machine.wait_for_open_port(80)
+      machine.wait_for_open_port(3306)
+
+      for site_name in site_names:
+          machine.wait_for_unit(f"phpfpm-invoiceplane-{site_name}")
+
+          with subtest("Website returns welcome screen"):
+              assert "Please install InvoicePlane" in machine.succeed(f"curl -L {site_name}")
+
+          with subtest("Finish InvoicePlane setup"):
+            machine.succeed(
+              f"curl -sSfL --cookie-jar cjar {site_name}/setup/language"
+            )
+            csrf_token = machine.succeed(
+              "grep ip_csrf_cookie cjar | cut -f 7 | tr -d '\n'"
+            )
+            machine.succeed(
+              f"curl -sSfL --cookie cjar --cookie-jar cjar -d '_ip_csrf={csrf_token}&ip_lang=english&btn_continue=Continue' {site_name}/setup/language"
+            )
+            csrf_token = machine.succeed(
+              "grep ip_csrf_cookie cjar | cut -f 7 | tr -d '\n'"
+            )
+            machine.succeed(
+              f"curl -sSfL --cookie cjar --cookie-jar cjar -d '_ip_csrf={csrf_token}&btn_continue=Continue' {site_name}/setup/prerequisites"
+            )
+            csrf_token = machine.succeed(
+              "grep ip_csrf_cookie cjar | cut -f 7 | tr -d '\n'"
+            )
+            machine.succeed(
+              f"curl -sSfL --cookie cjar --cookie-jar cjar -d '_ip_csrf={csrf_token}&btn_continue=Continue' {site_name}/setup/configure_database"
+            )
+            csrf_token = machine.succeed(
+              "grep ip_csrf_cookie cjar | cut -f 7 | tr -d '\n'"
+            )
+            machine.succeed(
+              f"curl -sSfl --cookie cjar --cookie-jar cjar -d '_ip_csrf={csrf_token}&btn_continue=Continue' {site_name}/setup/install_tables"
+            )
+            csrf_token = machine.succeed(
+              "grep ip_csrf_cookie cjar | cut -f 7 | tr -d '\n'"
+            )
+            machine.succeed(
+              f"curl -sSfl --cookie cjar --cookie-jar cjar -d '_ip_csrf={csrf_token}&btn_continue=Continue' {site_name}/setup/upgrade_tables"
+            )
+  '';
+}