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;;; clojure-mode-update-ns-test.el --- Clojure Mode: update-ns tests -*- lexical-binding: t; -*-
;; Copyright (C) 2026 Bozhidar Batsov <bozhidar@batsov.dev>
;; This file is not 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/>.
;;; Commentary:
;; Tests for clojure-update-ns.
;;; Code:
(require 'clojure-mode)
(require 'buttercup)
(require 'test-helper "test/utils/test-helper")
(describe "clojure-update-ns"
(it "should update a simple ns form"
(with-clojure-buffer "(ns old.name)"
(let ((clojure-expected-ns-function (lambda () "new.name")))
(clojure-update-ns)
(expect (buffer-string) :to-equal "(ns new.name)"))))
(it "should update ns with metadata"
(with-clojure-buffer "(ns ^:bar old.name)"
(let ((clojure-expected-ns-function (lambda () "new.name")))
(clojure-update-ns)
(expect (buffer-string) :to-equal "(ns ^:bar new.name)"))))
(it "should update ns with map metadata"
(with-clojure-buffer "(ns ^{:doc \"hello\"} old.name)"
(let ((clojure-expected-ns-function (lambda () "new.name")))
(clojure-update-ns)
(expect (buffer-string) :to-equal "(ns ^{:doc \"hello\"} new.name)"))))
(it "should update ns with require forms"
(with-clojure-buffer "(ns old.name
(:require [clojure.string :as str]))"
(let ((clojure-expected-ns-function (lambda () "new.name")))
(clojure-update-ns)
(expect (buffer-string) :to-equal "(ns new.name
(:require [clojure.string :as str]))"))))
(it "should update in-ns forms"
(with-clojure-buffer "(in-ns 'old.name)"
(let ((clojure-expected-ns-function (lambda () "new.name")))
(clojure-update-ns)
(expect (buffer-string) :to-equal "(in-ns 'new.name)"))))
(it "should update the cached namespace"
(with-clojure-buffer "(ns old.name)"
(let ((clojure-expected-ns-function (lambda () "new.name")))
(clojure-update-ns)
(expect clojure-cached-ns :to-equal "new.name"))))
(it "should signal an error when no ns form is found"
(with-clojure-buffer "(defn foo [] 1)"
(let ((clojure-expected-ns-function (lambda () "new.name")))
(expect (clojure-update-ns) :to-throw 'user-error)))))
(provide 'clojure-mode-update-ns-test)
;;; clojure-mode-update-ns-test.el ends here
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