From 8c93f69081f0012e9a97ffc59adb7129bc1593ee Mon Sep 17 00:00:00 2001
From: salmonik <salmonik@tuta.io>
Date: Sun, 1 Nov 2026 18:51:05 +0100
Subject: v4.0.5: login and registration as core commands

---
 tests/client_core.rs | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)

(limited to 'tests/client_core.rs')

diff --git a/tests/client_core.rs b/tests/client_core.rs
index d070a5b..53a024c 100644
--- a/tests/client_core.rs
+++ b/tests/client_core.rs
@@ -1487,3 +1487,79 @@ fn logging_out_and_showing_the_lobby_switch_the_screen() {
     };
     assert_eq!(lobby.user, None);
 }
+
+#[test]
+fn a_login_command_sends_auth_and_sets_the_user() {
+    let mut h = Harness::new();
+    h.core.set_logged_in(None);
+
+    let effects = h.core.command(Command::Login {
+        user: "alice".to_string(),
+        credential: "hash".to_string(),
+    });
+    h.apply(effects);
+    assert_eq!(h.sent.last().map(String::as_str), Some("AUTH alice hash"));
+
+    h.reply("OK alice");
+    let Some(View::Lobby(lobby)) = h.core.view() else {
+        panic!("expected the lobby");
+    };
+    assert_eq!(lobby.user.as_deref(), Some("alice"));
+    assert!(lobby.login_error.is_none());
+    assert!(h
+        .screen
+        .lines
+        .iter()
+        .any(|line| line == "Logged in as alice"));
+}
+
+#[test]
+fn a_rejected_login_is_shown_on_the_lobby() {
+    let mut h = Harness::new();
+    h.core.set_logged_in(None);
+    h.core.command(Command::Login {
+        user: "alice".to_string(),
+        credential: "bad".to_string(),
+    });
+    h.reply("ERROR Invalid credentials");
+
+    let Some(View::Lobby(lobby)) = h.core.view() else {
+        panic!("expected the lobby");
+    };
+    assert_eq!(lobby.user, None);
+    assert_eq!(lobby.login_error.as_deref(), Some("Invalid credentials"));
+}
+
+#[test]
+fn a_register_command_sends_register_and_reports_the_result() {
+    let mut h = Harness::new();
+    h.core.set_logged_in(None);
+
+    let effects = h.core.command(Command::Register {
+        user: "bob".to_string(),
+        credential: "hash".to_string(),
+    });
+    h.apply(effects);
+    assert_eq!(h.sent.last().map(String::as_str), Some("REGISTER bob hash"));
+
+    h.reply("REGISTERED bob");
+    assert!(h
+        .screen
+        .lines
+        .iter()
+        .any(|line| line == "Account created. Log in to play."));
+}
+
+#[test]
+fn login_requires_a_connection() {
+    let mut h = Harness::new();
+    h.core.set_connected(false);
+
+    let effects = h.core.command(Command::Login {
+        user: "alice".to_string(),
+        credential: "hash".to_string(),
+    });
+    h.apply(effects);
+
+    assert!(!h.sent.iter().any(|line| line.starts_with("AUTH")));
+}
-- 
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