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8ea6f6da77
* lisp/progmodes/json-ts-mode.el (json-ts--get-path-at-node) (json-ts--path-to-jq, json-ts--path-to-python): New functions. (json-ts-jq-path-at-point): New command for getting JSON path at point. * test/lisp/progmodes/json-ts-mode-tests.el: New file. Add tests for the utility command. * etc/NEWS: Announce new command 'json-ts-jq-path-at-point' (bug#80190).
86 lines
3 KiB
EmacsLisp
86 lines
3 KiB
EmacsLisp
;;; json-ts-mode-tests.el --- Tests for json-ts-mode.el -*- lexical-binding: t; -*-
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;; Copyright (C) 2026 Free Software Foundation, Inc.
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Tests for json-ts-mode.
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;;; Code:
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(require 'ert)
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(require 'treesit)
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(require 'json-ts-mode)
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(ert-deftest json-ts-mode-test-path-at-point ()
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"Test `json-ts--get-path-at-node' and `json-ts--path-to-jq'."
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(skip-unless (treesit-language-available-p 'json))
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(with-temp-buffer
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(json-ts-mode)
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(insert "{\"a\": [1, {\"b\": 2}, 3]}")
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;; Point at '1' (index 0 of array 'a')
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(goto-char (point-min))
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(search-forward "1")
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(backward-char)
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(should (equal (json-ts--path-to-jq (json-ts--get-path-at-node (treesit-node-at (point))))
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".a[0]"))
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;; Point at '2' (key 'b' inside object at index 1)
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(goto-char (point-min))
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(search-forward "2")
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(backward-char)
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(should (equal (json-ts--path-to-jq (json-ts--get-path-at-node (treesit-node-at (point))))
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".a[1].b"))
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;; Point at '3' (index 2 of array 'a')
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(goto-char (point-min))
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(search-forward "3")
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(backward-char)
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(should (equal (json-ts--path-to-jq (json-ts--get-path-at-node (treesit-node-at (point))))
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".a[2]"))))
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(ert-deftest json-ts-mode-test-path-at-point-complex-keys ()
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"Test path generation with complex keys."
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(skip-unless (treesit-language-available-p 'json))
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(with-temp-buffer
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(json-ts-mode)
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(insert "{\"key.with.dot\": {\"key with space\": 1}}")
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(goto-char (point-min))
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(search-forward "1")
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(backward-char)
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(should (equal (json-ts--path-to-jq (json-ts--get-path-at-node (treesit-node-at (point))))
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"[\"key.with.dot\"][\"key with space\"]"))))
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(ert-deftest json-ts-mode-test-jq-path-keys ()
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"Test `json-ts--path-to-jq' with various key formats."
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(should (equal (json-ts--path-to-jq '("v123")) ".v123"))
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(should (equal (json-ts--path-to-jq '("-123")) "[\"-123\"]"))
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(should (equal (json-ts--path-to-jq '("v_v")) ".v_v"))
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(should (equal (json-ts--path-to-jq '("123")) "[\"123\"]"))
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(should (equal (json-ts--path-to-jq '("_123")) "._123"))
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(should (equal (json-ts--path-to-jq '("1v2")) "[\"1v2\"]")))
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(ert-deftest json-ts-mode-test-path-to-python ()
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"Test `json-ts--path-to-python'."
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(should (equal (json-ts--path-to-python '("a" 0 "b"))
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"[\"a\"][0][\"b\"]")))
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(provide 'json-ts-mode-tests)
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;;; json-ts-mode-tests.el ends here
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