1 files changed, 35 insertions, 0 deletions
diff --git a/nixpkgs/nixos/tests/mailcatcher.nix b/nixpkgs/nixos/tests/mailcatcher.nix
new file mode 100644
index 000000000000..627ef56617e9
--- /dev/null
+++ b/nixpkgs/nixos/tests/mailcatcher.nix
@@ -0,0 +1,35 @@
+import ./make-test-python.nix ({ lib, ... }:
+
+{
+  name = "mailcatcher";
+  meta.maintainers = [ lib.maintainers.aanderse ];
+
+  nodes.machine =
+    { pkgs, ... }:
+    {
+      services.mailcatcher.enable = true;
+
+      programs.msmtp = {
+        enable = true;
+        accounts.default = {
+          host = "localhost";
+          port = 1025;
+        };
+      };
+
+      environment.systemPackages = [ pkgs.mailutils ];
+    };
+
+  testScript = ''
+    start_all()
+
+    machine.wait_for_unit("mailcatcher.service")
+    machine.wait_for_open_port(1025)
+    machine.succeed(
+        'echo "this is the body of the email" | mail -s "subject" root@example.org'
+    )
+    assert "this is the body of the email" in machine.succeed(
+        "curl -f http://localhost:1080/messages/1.source"
+    )
+  '';
+})