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;;; test-melpa-package.el --- Flycheck Specs: MELPA Package -*- lexical-binding: t; -*-
;; Copyright (C) 2013-2016 Sebastian Wiesner and Flycheck contributors
;; Author: Sebastian Wiesner <swiesner@lunaryorn.com>
;; 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 <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Specs for Flycheck MELPA packaging.
;;; Code:
(require 'flycheck-buttercup)
(require 'seq)
(require 'json)
(require 'let-alist)
(defvar url-http-end-of-headers)
(defun flycheck/get-melpa-version ()
"Get the MELPA version of Flycheck.
Return the version as string, or nil if we failed to obtain the
version."
(let ((buffer (with-timeout (5)
(url-retrieve-synchronously
"http://melpa.org/archive.json" 'silent))))
(when (and buffer (buffer-live-p buffer))
(unwind-protect
(with-current-buffer buffer
(goto-char url-http-end-of-headers)
(let-alist (json-read)
(format "%s.%s" (aref .flycheck.ver 0) (aref .flycheck.ver 1))))
(kill-buffer)))))
(describe "MELPA package"
(let* ((directory (make-temp-file "flycheck-test-package" 'directory))
(filename (expand-file-name "flycheck.tar" directory))
(travis-p (getenv "TRAVIS"))
version
entries)
(before-all
(unless travis-p
(with-demoted-errors "Failed to obtain Flycheck package: %S"
(setq version (flycheck/get-melpa-version))
(when version
(let* ((name (format "flycheck-%s" version))
(url (format "http://melpa.org/packages/%s.tar" name)))
(with-timeout (5)
(url-copy-file url filename)))
(when (file-exists-p filename)
(setq entries (seq-map (lambda (entry)
(replace-regexp-in-string
(rx bos (1+ (not (any "/"))) "/")
"" entry))
(process-lines "tar" "-tf" filename))))))))
(before-each
(assume (not travis-p)
(concat "Don't test package on Travis CI. "
"Let's not spoil MELPA download stats."))
(assume version "Flycheck MELPA version not found")
(assume entries "Could not download and parse Flycheck package"))
(after-all
(ignore-errors (delete-directory directory 'recursive)))
(it "contains flycheck"
(expect entries :to-contain "flycheck.el"))
(it "contains flycheck-buttercup"
(expect entries :to-contain "flycheck-buttercup.el"))
(it "contains flycheck-ert"
(expect entries :to-contain "flycheck-ert.el"))))
;;; test-melpa-package.el ends here
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