cdf841232a
Move ephemeral rendering, initial buffer mounts, declarative commits, and opaque handle updates onto retained TP surfaces while keeping Ebox layout planning and runtime indexes transactionally synchronized. Verified with: make check EMACS=/Applications/Emacs.app/Contents/MacOS/Emacs
541 lines
24 KiB
EmacsLisp
541 lines
24 KiB
EmacsLisp
;;; ebox-surface-tests.el --- TP surface projection tests -*- lexical-binding: t; -*-
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(require 'cl-lib)
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(require 'ert)
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(unless load-file-name
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(error "This test file must be loaded from disk, not eval'ed directly"))
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(setq load-prefer-newer t)
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(load-file (expand-file-name "../ebox.el"
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(file-name-directory load-file-name)))
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(require 'tp-surface)
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(defun ebox-surface-test--reset-render-state ()
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"Reset render identities and side tables used by projection tests."
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(setq ebox--region-id-counter 0
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ebox--runtime-node-id-counter 0)
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(dolist (table (list ebox--region-box-table
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ebox--scroll-global-state
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ebox--rendered-root-metadata-table))
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(clrhash table)))
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(defun ebox-surface-test--interactive-content ()
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"Return fresh interactive propertized content for projection tests."
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(let ((map (make-sparse-keymap)))
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(define-key map [mouse-1] #'ignore)
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(propertize "Open" 'keymap map 'mouse-face 'highlight
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'help-echo "Open this item")))
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(defun ebox-surface-test--fixtures ()
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"Return named fresh layout builders covering active Ebox layout kinds."
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(list
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(cons 'box
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(lambda ()
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(ebox-create :key 'box :content (ebox-surface-test--interactive-content)
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:width '(120) :padding '(1 (4))
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:border "#334155" :bgcolor "#E2E8F0"
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:color "#0F172A")))
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(cons 'row-column
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(lambda ()
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(ebox-column
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(ebox-row
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(ebox-create :key 'left :content "Left" :width '(70)
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:bgcolor "#DBEAFE" :color "#172554")
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(ebox-create :key 'right :content "Right\nDetail" :width '(90)
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:bgcolor "#DCFCE7" :color "#14532D"))
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(ebox-create :key 'footer :content "Footer" :width '(160)
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:bgcolor "#F1F5F9" :color "#0F172A"))))
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(cons 'flex
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(lambda ()
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(ebox-flex
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:width '(210) :flex-wrap 'wrap :column-gap '(10)
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(ebox-flex-item
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(ebox-create :key 'grow :content "Grow" :width '(80)
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:bgcolor "#EDE9FE" :color "#2E1065")
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:flex-grow 1 :flex-basis '(80))
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(ebox-flex-item
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(ebox-create :key 'fixed :content "Fixed" :width '(120)
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:bgcolor "#FFEDD5" :color "#7C2D12")))))
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(cons 'grid
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(lambda ()
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(ebox-grid
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:width '(220) :grid-template-columns '((70) 1fr)
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:grid-template-rows '(2) :gap '(1 (8))
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:border "#475569"
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(ebox-create :key 'grid-left :content "A\nAA"
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:bgcolor "#E0F2FE" :color "#0C4A6E")
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(ebox-create :key 'grid-right :content "B\nBB"
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:bgcolor "#FCE7F3" :color "#831843"))))
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(cons 'overflow-scroll
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(lambda ()
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(ebox-create :key 'scroll :content "zero\none\ntwo\nthree"
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:width '(100) :height 2 :overflow 'scroll
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:bgcolor "#1E293B" :color "#F8FAFC")))))
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(defun ebox-surface-test--render-fresh (builder projector-p)
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"Render BUILDER after a reset, using the TP projector when PROJECTOR-P."
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(ebox-surface-test--reset-render-state)
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(let ((ebox-viewport-width 240)
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(ebox-viewport-height 12)
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(node (funcall builder)))
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(if projector-p
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(tp-surface-materialize-string
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(ebox-surface-producer node))
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(ebox-render node))))
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(defun ebox-surface-test--walk-runtime (node function)
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"Call FUNCTION for every runtime NODE in preorder."
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(funcall function node)
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(dolist (child (ebox-tree-node-children node))
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(ebox-surface-test--walk-runtime child function)))
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(defun ebox-surface-test--plan-runtime-value-p (value)
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"Return non-nil when VALUE is forbidden runtime state in a pure plan."
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(cond
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((or (markerp value) (bufferp value) (tp-object-p value)
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(tp-binding-p value) (tp-surface-p value))
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t)
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((consp value)
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(or (ebox-surface-test--plan-runtime-value-p (car value))
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(ebox-surface-test--plan-runtime-value-p (cdr value))))
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((vectorp value)
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(cl-some #'ebox-surface-test--plan-runtime-value-p value))
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(t nil)))
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(defun ebox-surface-test--plan-pure-p (plan)
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"Return non-nil when PLAN contains only pure projection data."
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(and
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(not (cl-some
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#'ebox-surface-test--plan-runtime-value-p
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(list (tp-surface-plan-key plan)
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(tp-surface-plan-kind plan)
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(tp-surface-plan-text plan)
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(tp-surface-plan-props plan)
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(tp-surface-plan-tags plan))))
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(cl-every #'ebox-surface-test--plan-pure-p
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(tp-surface-plan-children plan))))
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(defun ebox-surface-test--object-by-key (state key)
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"Return the candidate surface object for Ebox node KEY in STATE."
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(let (object)
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(maphash
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(lambda (_node-id node)
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(when (equal (plist-get node :key) key)
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(setq object (plist-get node :surface-object))))
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(plist-get state :node-table))
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object))
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(ert-deftest ebox-surface-projects-every-layout-with-exact-equivalence ()
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"TP projection should preserve every character and text property interval."
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(dolist (fixture (ebox-surface-test--fixtures))
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(let* ((builder (cdr fixture))
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(expected (ebox-surface-test--render-fresh builder nil))
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(actual (ebox-surface-test--render-fresh builder t)))
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(should (equal-including-properties actual expected))
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(should (equal (mapcar #'ebox--string-pixel-width
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(ebox-string-lines actual))
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(mapcar #'ebox--string-pixel-width
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(ebox-string-lines expected)))))))
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(ert-deftest ebox-surface-assigns-object-identity-before-layout ()
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"Every candidate runtime node should own a TP object before layout starts."
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(let ((original (symbol-function 'ebox--render-layout))
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checked captured)
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(cl-letf (((symbol-function 'ebox--render-layout)
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(lambda (node)
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(unless checked
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(setq checked t)
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(ebox-surface-test--walk-runtime
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node
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(lambda (runtime-node)
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(let ((object (plist-get runtime-node :surface-object)))
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(should (tp-object-p object))
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(push object captured)))))
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(funcall original node))))
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(ebox-surface-test--render-fresh
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(cdr (assq 'grid (ebox-surface-test--fixtures))) t))
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(should checked)
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(should captured)
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(dolist (object captured)
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(should-not (tp-object-live-p object)))))
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(ert-deftest ebox-surface-plan-stays-free-of-runtime-state ()
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"The generic surface plan should not contain markers or runtime handles."
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(let ((original (symbol-function 'tp-surface-result-create))
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captured)
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(cl-letf (((symbol-function 'tp-surface-result-create)
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(lambda (plan &optional client-state)
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(setq captured plan)
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(funcall original plan client-state))))
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(ebox-surface-test--render-fresh
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(cdr (assq 'box (ebox-surface-test--fixtures))) t))
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(should (tp-surface-plan-p captured))
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(should (ebox-surface-test--plan-pure-p captured))))
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(ert-deftest ebox-surface-projection-does-not-mutate-a-buffer ()
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"Pure projection should not call any final buffer mutation primitive."
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(cl-letf (((symbol-function 'insert)
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(lambda (&rest _) (error "Unexpected buffer insertion")))
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((symbol-function 'erase-buffer)
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(lambda (&rest _) (error "Unexpected buffer erase")))
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((symbol-function 'delete-region)
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(lambda (&rest _) (error "Unexpected buffer deletion")))
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((symbol-function 'replace-region-contents)
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(lambda (&rest _) (error "Unexpected buffer replacement"))))
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(should
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(stringp
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(ebox-surface-test--render-fresh
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(cdr (assq 'row-column (ebox-surface-test--fixtures))) t)))))
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(ert-deftest ebox-surface-logical-box-owns-disjoint-render-fragments ()
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"One logical Ebox box should resolve all of its separated painted regions."
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(ebox-surface-test--reset-render-state)
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(let ((buffer (generate-new-buffer " *ebox-surface-fragments*"))
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surface)
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(unwind-protect
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(progn
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(setq surface
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(tp-surface-mount
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buffer
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(ebox-surface-producer
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(funcall (cdr (assq 'box (ebox-surface-test--fixtures)))))
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'(:capability content)))
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(let* ((state (tp-surface-client-state surface))
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(objects (plist-get state :region-surface-object-table))
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logical)
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(maphash (lambda (_region-id object)
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(unless logical (setq logical object)))
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objects)
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(should (tp-object-live-p logical))
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(should (> (length (tp-object-mounts logical)) 1))))
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(when (and surface (tp-surface-live-p surface))
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(tp-surface-unmount surface))
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(when (buffer-live-p buffer)
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(kill-buffer buffer)))))
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(ert-deftest ebox-surface-reuses-one-source-with-isolated-runtime-state ()
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"One source description should mount into two independent TP surfaces."
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(ebox-surface-test--reset-render-state)
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(let* ((source
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(ebox-create :key 'shared :content "Shared" :width '(100)
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:bgcolor "#E2E8F0" :color "#0F172A"))
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(first-buffer (generate-new-buffer " *ebox-surface-first*"))
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(second-buffer (generate-new-buffer " *ebox-surface-second*"))
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first second)
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(unwind-protect
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(progn
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(setq first
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(tp-surface-mount
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first-buffer (ebox-surface-producer source)
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'(:capability content)))
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(setq second
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(tp-surface-mount
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second-buffer (ebox-surface-producer source)
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'(:capability content)))
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(let* ((first-state (tp-surface-client-state first))
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(second-state (tp-surface-client-state second))
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(first-root (plist-get first-state :root-node))
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(second-root (plist-get second-state :root-node)))
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(should-not (eq first-root second-root))
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(should-not (eq (plist-get first-root :surface-object)
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(plist-get second-root :surface-object)))
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(should-not (plist-member source :node-id))
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(should-not (plist-member source :region-id))
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(should-not (plist-member source :surface-object))))
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(dolist (surface (list first second))
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(when (and surface (tp-surface-live-p surface))
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(tp-surface-unmount surface)))
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(dolist (buffer (list first-buffer second-buffer))
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(when (buffer-live-p buffer)
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(kill-buffer buffer))))))
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(ert-deftest ebox-surface-keyed-reorder-retains-logical-objects ()
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"A keyed child reorder should retain TP objects through a new Ebox runtime."
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(ebox-surface-test--reset-render-state)
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(let ((buffer (generate-new-buffer " *ebox-surface-reorder*"))
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surface)
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(unwind-protect
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(let* ((first-source
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(ebox-row
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(ebox-create :key 'left :content "Left" :width '(60))
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(ebox-create :key 'right :content "Right" :width '(60))))
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(_mount
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(setq surface
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(tp-surface-mount
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buffer (ebox-surface-producer first-source)
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'(:capability content))))
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(first-state (tp-surface-client-state surface))
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(left (ebox-surface-test--object-by-key first-state 'left))
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(right (ebox-surface-test--object-by-key first-state 'right))
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(next-source
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(ebox-row
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(ebox-create :key 'right :content "Right!" :width '(60))
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(ebox-create :key 'left :content "Left!" :width '(60)))))
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(tp-surface-update
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surface (ebox-surface-producer next-source first-state))
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(let ((next-state (tp-surface-client-state surface)))
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(should (eq left
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(ebox-surface-test--object-by-key next-state 'left)))
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(should (eq right
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(ebox-surface-test--object-by-key next-state 'right)))
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(should (string-match-p
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"Right!.*Left!"
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(substring-no-properties
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(with-current-buffer buffer (buffer-string)))))))
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(when (and surface (tp-surface-live-p surface))
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(tp-surface-unmount surface))
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(when (buffer-live-p buffer)
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(kill-buffer buffer)))))
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(ert-deftest ebox-render-materializes-through-tp-surface ()
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"The public string renderer should materialize one ephemeral TP surface."
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(ebox-surface-test--reset-render-state)
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(let ((original (symbol-function 'tp-surface-materialize-string))
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(calls 0))
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(cl-letf (((symbol-function 'tp-surface-materialize-string)
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(lambda (producer)
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(cl-incf calls)
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(funcall original producer))))
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(should (stringp
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(ebox-render
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(ebox-create :content "Materialized" :width '(100))))))
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(should (= calls 1))))
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(ert-deftest ebox-render-is-repeatable-without-consuming-runtime-identities ()
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"Ephemeral rendering should be exact and leave live identity counters alone."
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(ebox-surface-test--reset-render-state)
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(let* ((source (ebox-create :content "Repeatable" :width '(100)))
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(first (ebox-render source))
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(second (ebox-render source)))
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(should (equal-including-properties first second))
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(should (= ebox--region-id-counter 0))
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(should (= ebox--runtime-node-id-counter 0))
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(should-not (plist-member source :region-id))
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(should-not (plist-member source :node-id))))
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(ert-deftest ebox-render-to-buffer-mounts-one-tp-surface ()
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"The public buffer renderer should expose TP's committed client state."
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(ebox-surface-test--reset-render-state)
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(let ((buffer (generate-new-buffer " *ebox-public-surface*"))
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surface)
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(unwind-protect
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(progn
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(ebox-render-to-buffer
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buffer
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(ebox-create :content "Mounted" :width '(100)))
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(setq surface
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(with-current-buffer buffer ebox-surface--buffer-surface))
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(should (tp-surface-live-p surface))
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(should (eq (ebox--buffer-render-state buffer)
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(tp-surface-client-state surface))))
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(when (buffer-live-p buffer)
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(kill-buffer buffer)))
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(should-not (tp-surface-live-p surface))))
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(ert-deftest ebox-render-to-buffer-reuses-one-source-across-buffers ()
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"The public mount path should never transfer ownership of its source tree."
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(ebox-surface-test--reset-render-state)
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(let* ((source
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(ebox-create :key 'shared :content "Shared" :width '(100)))
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(first (generate-new-buffer " *ebox-public-first*"))
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(second (generate-new-buffer " *ebox-public-second*")))
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(unwind-protect
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(progn
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(ebox-render-to-buffer first source)
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(ebox-render-to-buffer second source)
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(should (equal
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(with-current-buffer first
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(substring-no-properties (buffer-string)))
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(with-current-buffer second
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(substring-no-properties (buffer-string)))))
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(should-not
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(equal (ebox-region-ids (ebox--buffer-root-node first))
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(ebox-region-ids (ebox--buffer-root-node second))))
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(should-not
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(eq (plist-get (ebox--buffer-root-node first) :surface-object)
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(plist-get (ebox--buffer-root-node second) :surface-object)))
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(should-not (plist-member source :node-id))
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(should-not (plist-member source :region-id))
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(should-not (plist-member source :surface-object)))
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(dolist (buffer (list first second))
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(when (buffer-live-p buffer)
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(kill-buffer buffer))))))
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(ert-deftest ebox-commit-publishes-through-the-mounted-tp-surface ()
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"Declarative commits should bypass every legacy Ebox buffer publisher."
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(ebox-surface-test--reset-render-state)
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(let ((buffer (generate-new-buffer " *ebox-surface-commit*")))
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(unwind-protect
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(progn
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(ebox-render-to-buffer
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buffer
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(ebox-create :key 'root :content "Before" :width '(100)))
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(let* ((surface (with-current-buffer
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buffer ebox-surface--buffer-surface))
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(revision (tp-surface-revision surface))
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report)
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(cl-letf (((symbol-function 'ebox-incremental-commit)
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(lambda (&rest _)
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(error "Legacy Ebox publisher was called"))))
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(setq report
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(ebox-commit
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buffer
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(ebox-create :key 'root :content "After"
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:width '(100)))))
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(should (= (tp-surface-revision surface) (1+ revision)))
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(should (plist-get report :runtime-published))
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(should (equal report (ebox-buffer-update-report buffer)))
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(should (string-match-p "After" (with-current-buffer
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buffer (buffer-string))))))
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(when (buffer-live-p buffer)
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(kill-buffer buffer)))))
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(ert-deftest ebox-commit-callback-failure-rolls-back-tp-and-ebox-state ()
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"A failed publication callback should restore one shared old generation."
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(ebox-surface-test--reset-render-state)
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(let ((buffer (generate-new-buffer " *ebox-surface-rollback*")))
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(unwind-protect
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(progn
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(ebox-render-to-buffer
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buffer
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(ebox-create :key 'root :content "Stable" :width '(100)))
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(let* ((surface (with-current-buffer
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buffer ebox-surface--buffer-surface))
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(state (tp-surface-client-state surface))
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(revision (tp-surface-revision surface))
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(contents (with-current-buffer
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buffer
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(buffer-substring (point-min) (point-max)))))
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(should-error
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(ebox-commit
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buffer
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(ebox-create :key 'root :content "Rejected" :width '(100))
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(lambda (_report) (error "Reject publication"))))
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(should (= (tp-surface-revision surface) revision))
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(should (eq (tp-surface-client-state surface) state))
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(should (equal-including-properties
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(with-current-buffer
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buffer
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(buffer-substring (point-min) (point-max)))
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contents))))
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(when (buffer-live-p buffer)
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(kill-buffer buffer)))))
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(ert-deftest ebox-commit-killed-buffer-rollback-does-not-revive-runtime ()
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"A failed commit must not restore runtime state for a killed buffer."
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(ebox-surface-test--reset-render-state)
|
|
(let ((buffer (generate-new-buffer " *ebox-surface-killed-rollback*")))
|
|
(unwind-protect
|
|
(progn
|
|
(ebox-render-to-buffer
|
|
buffer
|
|
(ebox-create :key 'root :content "Stable" :width '(100)))
|
|
(should (gethash buffer ebox--buffer-render-state-table))
|
|
(should-error
|
|
(ebox-commit
|
|
buffer
|
|
(ebox-create :key 'root :content "Rejected" :width '(100))
|
|
(lambda (_report)
|
|
(kill-buffer buffer)
|
|
(error "Reject publication after teardown"))))
|
|
(should-not (buffer-live-p buffer))
|
|
(should-not (gethash buffer ebox--buffer-render-state-table)))
|
|
(when (buffer-live-p buffer)
|
|
(kill-buffer buffer)))))
|
|
|
|
(ert-deftest ebox-logical-candidate-report-is-the-published-client-report ()
|
|
"Logical candidates should publish one report through TP client state."
|
|
(ebox-surface-test--reset-render-state)
|
|
(let ((buffer (generate-new-buffer " *ebox-surface-candidate*")))
|
|
(unwind-protect
|
|
(progn
|
|
(ebox-render-to-buffer
|
|
buffer
|
|
(ebox-create :key 'root :host-ref 'root
|
|
:content "Before" :width '(100)))
|
|
(let ((candidate (ebox-candidate-begin buffer)))
|
|
(ebox-candidate-replace-host-ref
|
|
candidate 'root
|
|
(ebox-create :key 'root :host-ref 'root
|
|
:content "After" :width '(100)))
|
|
(let ((report (ebox-commit buffer candidate)))
|
|
(should (equal report (ebox-buffer-update-report buffer)))
|
|
(should (eq (plist-get report :constraint-source)
|
|
'declarative))
|
|
(should (string-match-p "After" (with-current-buffer
|
|
buffer (buffer-string)))))))
|
|
(when (buffer-live-p buffer)
|
|
(kill-buffer buffer)))))
|
|
|
|
(ert-deftest ebox-region-handles-are-surface-scoped ()
|
|
"One logical id should resolve to distinct handles on independent surfaces."
|
|
(ebox-surface-test--reset-render-state)
|
|
(let* ((source
|
|
(ebox-create :id "status" :content "Ready" :width '(100)))
|
|
(first (generate-new-buffer " *ebox-handle-first*"))
|
|
(second (generate-new-buffer " *ebox-handle-second*")))
|
|
(unwind-protect
|
|
(progn
|
|
(ebox-render-to-buffer first source)
|
|
(ebox-render-to-buffer second source)
|
|
(let ((first-handle (ebox-region-resolve first "status"))
|
|
(second-handle (ebox-region-resolve second 'status)))
|
|
(should (ebox-region-handle-p first-handle))
|
|
(should (ebox-region-handle-p second-handle))
|
|
(should-not (eq first-handle second-handle))
|
|
(ebox-region-update first-handle :content "Changed")
|
|
(should (string-match-p "Changed"
|
|
(with-current-buffer first
|
|
(buffer-string))))
|
|
(should (string-match-p "Ready"
|
|
(with-current-buffer second
|
|
(buffer-string))))))
|
|
(dolist (buffer (list first second))
|
|
(when (buffer-live-p buffer)
|
|
(kill-buffer buffer))))))
|
|
|
|
(ert-deftest ebox-selector-query-returns-an-editable-region-handle ()
|
|
"A live selector match should carry the same handle accepted by updates."
|
|
(ebox-surface-test--reset-render-state)
|
|
(let ((buffer (generate-new-buffer " *ebox-selector-handle*")))
|
|
(unwind-protect
|
|
(progn
|
|
(ebox-render-to-buffer
|
|
buffer
|
|
(ebox-create :id "action" :content "Closed" :width '(100)))
|
|
(let* ((match (car (ebox-selector-query-buffer buffer "#action")))
|
|
(handle (plist-get match :region-handle)))
|
|
(should (ebox-region-handle-p handle))
|
|
(ebox-region-update handle :content "Open")
|
|
(should (string-match-p "Open"
|
|
(with-current-buffer buffer
|
|
(buffer-string))))))
|
|
(when (buffer-live-p buffer)
|
|
(kill-buffer buffer)))))
|
|
|
|
(ert-deftest ebox-region-handle-becomes-stale-with-its-object ()
|
|
"A handle should fail after a commit removes its retained object."
|
|
(ebox-surface-test--reset-render-state)
|
|
(let ((buffer (generate-new-buffer " *ebox-stale-handle*")))
|
|
(unwind-protect
|
|
(progn
|
|
(ebox-render-to-buffer
|
|
buffer
|
|
(ebox-create :key 'old :id "old"
|
|
:content "Old" :width '(100)))
|
|
(let ((handle (ebox-region-resolve buffer "old")))
|
|
(ebox-commit
|
|
buffer
|
|
(ebox-create :key 'new :id "new"
|
|
:content "New" :width '(100)))
|
|
(should-error (ebox-region-update handle :content "Invalid")
|
|
:type 'user-error)))
|
|
(when (buffer-live-p buffer)
|
|
(kill-buffer buffer)))))
|
|
|
|
(provide 'ebox-surface-tests)
|
|
|
|
;;; ebox-surface-tests.el ends here
|