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;;; mastodon-media-test.el --- Tests for mastodon-media.el -*- lexical-binding: nil -*-
(require 'el-mock)
(ert-deftest mastodon-media--get-avatar-rendering ()
"Should return text with all expected properties."
(with-mock
;; (mock (image-type-available-p 'imagemagick) => t)
(mock (create-image * (when (version< emacs-version "27.1") 'imagemagick) t :height 123) => :mock-image)
(let* ((mastodon-media--avatar-height 123)
(result (mastodon-media--get-avatar-rendering "http://example.org/img.png"))
(result-no-properties (substring-no-properties result))
(properties (text-properties-at 0 result)))
(should (string= " " result-no-properties))
(should (string= "http://example.org/img.png" (plist-get properties 'media-url)))
(should (eq 'needs-loading (plist-get properties 'media-state)))
(should (eq 'avatar (plist-get properties 'media-type)))
(should (eq :mock-image (plist-get properties 'display))))))
(ert-deftest mastodon-media--get-media-link-rendering ()
"Should return text with all expected properties."
(with-mock
(mock (create-image * nil t) => :mock-image)
(let* ((mastodon-media--preview-max-height 123)
(result
(mastodon-media--get-media-link-rendering "http://example.org/img.png"
"http://example.org/remote/img.png"
"image"))
(result-no-properties (substring-no-properties result))
(properties (text-properties-at 0 result)))
(should (string= "[img] " result-no-properties))
(should (string= "http://example.org/img.png" (plist-get properties 'media-url)))
(should (eq 'needs-loading (plist-get properties 'media-state)))
(should (eq 'media-link (plist-get properties 'media-type)))
(should (eq :mock-image (plist-get properties 'display)))
(should (eq 'highlight (plist-get properties 'mouse-face)))
(should (eq 'image (plist-get properties 'mastodon-tab-stop)))
(should (string= "http://example.org/remote/img.png" (plist-get properties 'image-url)))
(should (eq mastodon-tl--shr-image-map-replacement (plist-get properties 'keymap)))
(should (string= "image" (plist-get properties 'mastodon-media-type)))
(should (string= "RET/i: load full image (prefix: copy URL), +/-: zoom, r: rotate, o: save preview, S: toggle sensitive media"
(plist-get properties 'help-echo))))))
(ert-deftest mastodon-media:get-media-link-rendering-gif ()
"Should return text with all expected properties."
(with-mock
(mock (create-image * nil t) => :mock-image)
(let* ((mastodon-media--preview-max-height 123)
(result
(mastodon-media--get-media-link-rendering "http://example.org/img.png"
"http://example.org/remote/img.png"
"gifv"))
(result-no-properties (substring-no-properties result))
(properties (text-properties-at 0 result)))
(should (string= "[img] " result-no-properties))
(should (string= "http://example.org/img.png" (plist-get properties 'media-url)))
(should (eq 'needs-loading (plist-get properties 'media-state)))
(should (eq 'media-link (plist-get properties 'media-type)))
(should (eq :mock-image (plist-get properties 'display)))
(should (eq 'highlight (plist-get properties 'mouse-face)))
(should (eq 'image (plist-get properties 'mastodon-tab-stop)))
(should (string= "http://example.org/remote/img.png" (plist-get properties 'image-url)))
(should (eq mastodon-tl--shr-image-map-replacement (plist-get properties 'keymap)))
(should (string= "gifv" (plist-get properties 'mastodon-media-type)))
(should (string= "RET/i: load full image (prefix: copy URL), +/-: zoom, r: rotate, o: save preview, S: toggle sensitive media\nC-RET: play gifv with mpv"
(plist-get properties 'help-echo))))))
(ert-deftest mastodon-media--load-image-from-url-avatar-with-imagemagic ()
"Should make the right call to url-retrieve."
(let ((url "http://example.org/image.png")
(mastodon-media--avatar-height 123))
(with-mock
;; (mock (image-type-available-p 'imagemagick) => t)
(mock (create-image
*
(when (version< emacs-version "27.1") 'imagemagick)
t :height 123) => '(image foo))
(mock (copy-marker 7) => :my-marker )
(mock (url-retrieve
url
#'mastodon-media--process-image-response
`(:my-marker (:height 123) 1 ,url))
=> :called-as-expected)
(with-temp-buffer
(insert (concat "Start:"
(mastodon-media--get-avatar-rendering "http://example.org/img.png")
":rest"))
(should (eq :called-as-expected (mastodon-media--load-image-from-url url 'avatar 7 1)))))))
(ert-deftest mastodon-media--load-image-from-url-avatar-without-imagemagic ()
"Should make the right call to url-retrieve."
(let ((url "http://example.org/image.png"))
(with-mock
;; (mock (image-type-available-p 'imagemagick) => nil)
;; (mock (image-transforms-p) => nil)
(mock (create-image * nil t) => '(image foo))
(mock (copy-marker 7) => :my-marker )
(mock (url-retrieve
url
#'mastodon-media--process-image-response
`(:my-marker () 1 ,url))
=> :called-as-expected)
(with-temp-buffer
(insert (concat "Start:"
(mastodon-media--get-avatar-rendering "http://example.org/img.png")
":rest"))
(should (eq :called-as-expected (mastodon-media--load-image-from-url url 'avatar 7 1)))))))
(ert-deftest mastodon-media--load-image-from-url-media-link-with-imagemagic ()
"Should make the right call to url-retrieve."
(let ((url "http://example.org/image.png"))
(with-mock
;; (mock (image-type-available-p 'imagemagick) => t)
(mock (create-image * nil t) => '(image foo))
(mock (copy-marker 7) => :my-marker )
(mock (url-retrieve
"http://example.org/image.png"
#'mastodon-media--process-image-response
'(:my-marker (:max-height 321) 5 "http://example.org/image.png"))
=> :called-as-expected)
(with-temp-buffer
(insert (concat "Start:"
(mastodon-media--get-media-link-rendering url)
":rest"))
(let ((mastodon-media--preview-max-height 321))
(should (eq :called-as-expected (mastodon-media--load-image-from-url url 'media-link 7 5))))))))
(ert-deftest mastodon-media--load-image-from-url-media-link-without-imagemagic ()
"Should make the right call to url-retrieve."
(let ((url "http://example.org/image.png"))
(with-mock
;; (mock (image-type-available-p 'imagemagick) => nil)
;; (mock (image-transforms-p) => nil)
(mock (create-image * nil t) => '(image foo))
(mock (copy-marker 7) => :my-marker )
(mock (url-retrieve
"http://example.org/image.png"
#'mastodon-media--process-image-response
'(:my-marker () 5 "http://example.org/image.png"))
=> :called-as-expected)
(with-temp-buffer
(insert (concat "Start:"
(mastodon-media--get-avatar-rendering url)
":rest"))
(let ((mastodon-media--preview-max-height 321))
(should (eq :called-as-expected (mastodon-media--load-image-from-url url 'media-link 7 5))))))))
(ert-deftest mastodon-media--load-image-from-url-url-fetching-fails ()
"Should cope with failures in url-retrieve."
(let ((url "http://example.org/image.png")
(mastodon-media--avatar-height 123))
(with-mock
;; (mock (image-type-available-p 'imagemagick) => t)
(mock (create-image
*
(when (version< emacs-version "27.1") 'imagemagick)
t :height 123) => '(image foo))
(stub url-retrieve => (error "url-retrieve failed"))
(with-temp-buffer
(insert (concat "Start:"
(mastodon-media--get-avatar-rendering "http://example.org/img.png")
":rest"))
(should (eq :loading-failed (mastodon-media--load-image-from-url url 'avatar 7 1)))
;; the media state was updated so we won't load this again:
(should (eq 'loading-failed (get-text-property 7 'media-state)))))))
(ert-deftest mastodon-media--process-image-response ()
"Should process the HTTP response and adjust the source buffer."
(with-temp-buffer
(with-mock
(let ((source-buffer (current-buffer))
used-marker
saved-marker)
(insert "start:")
(setq used-marker (copy-marker (point))
saved-marker (copy-marker (point)))
;; Mock needed for the preliminary image created in
;; mastodon-media--get-avatar-rendering
(stub create-image => :fake-image)
(insert (mastodon-media--get-avatar-rendering
"http://example.org/image.png.")
":end")
(with-temp-buffer
(insert "some irrelevant\n"
"http headers\n"
"which will be ignored\n\n"
"fake\nimage\ndata")
(goto-char (point-min))
(mock (create-image
"fake\nimage\ndata"
(when (version< emacs-version "27.1") 'imagemagick)
t ':image :option) => :fake-image)
(mastodon-media--process-image-response
() used-marker '(:image :option) 1 "http://example.org/image.png")
;; the used marker has been unset:
(should (null (marker-position used-marker)))
;; the media-state has been set to loaded and the image is being displayed
(should (eq 'loaded (get-text-property saved-marker 'media-state source-buffer)))
(should (eq ':fake-image (get-text-property saved-marker 'display source-buffer))))))))
(ert-deftest mastodon-media--inline-images ()
"Should process all media in buffer."
(with-mock
;; Stub needed for the test setup:
(stub create-image => '(image ignored))
(let (marker-media-link marker-media-link-bad-url marker-false-media marker-avatar)
(with-temp-buffer
(insert "Some text before\n")
(setq marker-media-link (copy-marker (point)))
(insert (mastodon-media--get-media-link-rendering "http://example.org/i.jpg")
" some more text ")
(setq marker-media-link-bad-url (copy-marker (point)))
(insert (mastodon-media--get-media-link-rendering "/files/small/missing.png")
" some more text ")
(setq marker-false-media (copy-marker (point)))
(insert
;; text that looks almost like an avatar but lacks the media-url property
(propertize "this won't be processed"
'media-state 'needs-loading
'media-type 'avatar)
"even more text ")
(setq marker-avatar (copy-marker (point)))
(insert (mastodon-media--get-avatar-rendering "http://example.org/avatar.png")
" end of text")
(goto-char (point-min))
;; stub for the actual test:
(stub mastodon-media--load-image-from-url)
(mastodon-media--inline-images (point-min) (point-max))
(should (eq 'loading (get-text-property marker-media-link 'media-state)))
(should (eq 'invalid-url (get-text-property marker-media-link-bad-url 'media-state)))
(should (eq 'loading (get-text-property marker-avatar 'media-state)))
(should (eq 'needs-loading (get-text-property marker-false-media 'media-state)))))))
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