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+;;; erc-scenarios-misc.el --- Misc scenarios for ERC -*- lexical-binding: t -*-
+
+;; Copyright (C) 2022 Free Software Foundation, Inc.
+;;
+;; This file is part of GNU Emacs.
+;;
+;; This program is free software: you can redistribute it and/or
+;; modify it under the terms of the GNU General Public License as
+;; published by the Free Software Foundation, either version 3 of the
+;; License, or (at your option) any later version.
+;;
+;; This program is distributed in the hope that it will be useful, but
+;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;; General Public License for more details.
+;;
+;; You should have received a copy of the GNU General Public License
+;; along with this program.  If not, see
+;; <https://www.gnu.org/licenses/>.
+
+(require 'ert-x)
+(eval-and-compile
+  (let ((load-path (cons (ert-resource-directory) load-path)))
+    (require 'erc-scenarios-common)))
+
+(eval-when-compile (require 'erc-join))
+
+(ert-deftest erc-scenarios-base-flood ()
+  :tags '(:expensive-test)
+  (erc-scenarios-common-with-cleanup
+      ((erc-scenarios-common-dialog "base/flood")
+       (dumb-server (erc-d-run "localhost" t 'soju))
+       (port (process-contact dumb-server :service))
+       (erc-server-flood-penalty 0.5) ; this ratio MUST match
+       (erc-server-flood-margin 1.5) ;  the default of 3:10
+       (expect (erc-d-t-make-expecter))
+       erc-autojoin-channels-alist)
+
+    (ert-info ("Connect to bouncer")
+      (with-current-buffer
+          (erc :server "127.0.0.1"
+               :port port
+               :nick "tester"
+               :password "changeme"
+               :full-name "tester")
+        (should (string= (buffer-name) (format "127.0.0.1:%d" port)))
+        (funcall expect 5 "Soju")))
+
+    (ert-info ("#chan@foonet exists")
+      (with-current-buffer (erc-d-t-wait-for 5 (get-buffer "#chan/foonet"))
+        (erc-d-t-search-for 2 "<bob/foonet>")
+        (erc-d-t-absent-for 0.1 "<joe")
+        (funcall expect 3 "was created on")))
+
+    (ert-info ("#chan@barnet exists")
+      (with-current-buffer (erc-d-t-wait-for 5 (get-buffer "#chan/barnet"))
+        (erc-d-t-search-for 2 "<joe/barnet>")
+        (erc-d-t-absent-for 0.1 "<bob")
+        (funcall expect 3 "was created on")
+        (funcall expect 5 "To get good guard")))
+
+    (ert-info ("Message not held in queue limbo")
+      (with-current-buffer "#chan/foonet"
+        ;; Without 'no-penalty param in `erc-server-send', should fail
+        ;; after ~10 secs with:
+        ;;
+        ;;   (erc-d-timeout "Timed out awaiting request: (:name ~privmsg
+        ;;    :pattern \\`PRIVMSG #chan/foonet :alice: hi :timeout 2
+        ;;    :dialog soju)")
+        ;;
+        ;; Try reversing commit and spying on queue interactively
+        (erc-cmd-MSG "#chan/foonet alice: hi")
+        (funcall expect 5 "tester: Good, very good")))
+
+    (ert-info ("All output sent")
+      (with-current-buffer "#chan/foonet"
+        (funcall expect 8 "Some man or other"))
+      (with-current-buffer "#chan/barnet"
+        (funcall expect 10 "That's he that was Othello")))))
+
+;; Corner case demoing fallback behavior for an absent 004 RPL but a
+;; present 422 or 375.  If this is unlikely enough, remove or guard
+;; with `ert-skip' plus some condition so it only runs when explicitly
+;; named via ERT specifier
+
+(ert-deftest erc-scenarios-networks-announced-missing ()
+  :tags '(:expensive-test)
+  (erc-scenarios-common-with-cleanup
+      ((erc-scenarios-common-dialog "networks/announced-missing")
+       (expect (erc-d-t-make-expecter))
+       (dumb-server (erc-d-run "localhost" t 'foonet))
+       (port (process-contact dumb-server :service)))
+
+    (ert-info ("Connect without password")
+      (with-current-buffer (erc :server "127.0.0.1"
+                                :port port
+                                :nick "tester"
+                                :full-name "tester")
+        (should (string= (buffer-name) (format "127.0.0.1:%d" port)))
+        (let ((err (should-error (sleep-for 1))))
+          (should (string-match-p "Failed to determine" (cadr err))))
+        (funcall expect 1 "Failed to determine")
+        (funcall expect 1 "Failed to determine")
+        (should-not erc-network)
+        (should (string= erc-server-announced-name "irc.foonet.org"))))))
+
+;; Targets that are host/server masks like $*, $$*, and #* are routed
+;; to the server buffer: https://github.com/ircdocs/wooooms/issues/5
+
+(ert-deftest erc-scenarios-base-mask-target-routing ()
+  :tags '(:expensive-test)
+  (erc-scenarios-common-with-cleanup
+      ((erc-scenarios-common-dialog "base/mask-target-routing")
+       (dumb-server (erc-d-run "localhost" t 'foonet))
+       (port (process-contact dumb-server :service))
+       (expect (erc-d-t-make-expecter)))
+
+    (ert-info ("Connect to foonet")
+      (with-current-buffer (erc :server "127.0.0.1"
+                                :port port
+                                :nick "tester"
+                                :password "changeme"
+                                :full-name "tester")
+        (should (string= (buffer-name) (format "127.0.0.1:%d" port)))))
+
+    (erc-d-t-wait-for 10 (get-buffer "foonet"))
+
+    (ert-info ("Channel buffer #foo playback received")
+      (with-current-buffer (erc-d-t-wait-for 3 (get-buffer "#foo"))
+        (funcall expect 10 "Excellent workman")))
+
+    (ert-info ("Global notices routed to server buffer")
+      (with-current-buffer "foonet"
+        (funcall expect 10 "going down soon")
+        (funcall expect 10 "this is a warning")
+        (funcall expect 10 "second warning")
+        (funcall expect 10 "final warning")))
+
+    (should-not (get-buffer "$*"))))
+
+;;; erc-scenarios-misc.el ends here