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This isn't a very useful thing to customize, since it needs to detect numbers that can successfully be parsed by 'string-to-number'. Changes to this variable would therefore likely requiring adjusting 'eshell-convert-to-number' as well. * lisp/eshell/esh-util.el (eshell-number-regexp): Make into a defvar and improve the regexp to support more numbers (including infinity and NaN). * test/lisp/eshell/esh-util-tests.el (esh-util-test/eshell-convert-to-number/floating-point) (esh-util-test/eshell-convert-to-number/floating-point-exponent) (esh-util-test/eshell-convert-to-number/non-numeric) (esh-util-test/eshell-convert-to-number/no-convert): New tests.
122 lines
5.8 KiB
EmacsLisp
122 lines
5.8 KiB
EmacsLisp
;;; esh-util-tests.el --- esh-util test suite -*- lexical-binding:t -*-
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;; Copyright (C) 2022-2023 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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;;; Code:
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(require 'ert)
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(require 'esh-util)
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;;; Tests:
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(ert-deftest esh-util-test/eshell-stringify/string ()
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"Test that `eshell-stringify' preserves the value of strings."
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(should (equal (eshell-stringify "hello") "hello")))
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(ert-deftest esh-util-test/eshell-stringify/number ()
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"Test that `eshell-stringify' converts numbers to strings."
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(should (equal (eshell-stringify 42) "42"))
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(should (equal (eshell-stringify 4.2) "4.2")))
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(ert-deftest esh-util-test/eshell-stringify/t ()
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"Test that `eshell-stringify' treats `t' according to `eshell-stringify-t'."
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(let ((eshell-stringify-t t))
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(should (equal (eshell-stringify t) "t")))
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(let ((eshell-stringify-t nil))
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(should (equal (eshell-stringify t) nil))))
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(ert-deftest esh-util-test/eshell-stringify/nil ()
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"Test that `eshell-stringify' converts nil to a string."
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(should (equal (eshell-stringify nil) "nil")))
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(ert-deftest esh-util-test/eshell-stringify/list ()
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"Test that `eshell-stringify' correctly stringifies lists."
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(should (equal (eshell-stringify '(1 2 3)) "(1 2 3)"))
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(should (equal (eshell-stringify '((1 2) (3 . 4)))
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"((1 2)\n (3 . 4))")))
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(ert-deftest esh-util-test/eshell-stringify/complex ()
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"Test that `eshell-stringify' correctly stringifies complex objects."
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(should (equal (eshell-stringify (list 'quote 'hello)) "'hello")))
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(ert-deftest esh-util-test/eshell-convert-to-number/integer ()
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"Test that `eshell-convert-to-number' correctly converts integers."
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(should (equal (eshell-convert-to-number "123") 123))
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(should (equal (eshell-convert-to-number "-123") -123))
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;; These are technially integers, since Emacs Lisp requires at least
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;; one digit after the "." to be a float:
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(should (equal (eshell-convert-to-number "123.") 123))
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(should (equal (eshell-convert-to-number "-123.") -123)))
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(ert-deftest esh-util-test/eshell-convert-to-number/floating-point ()
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"Test that `eshell-convert-to-number' correctly converts floats."
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(should (equal (eshell-convert-to-number "1.23") 1.23))
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(should (equal (eshell-convert-to-number "-1.23") -1.23))
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(should (equal (eshell-convert-to-number ".1") 0.1))
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(should (equal (eshell-convert-to-number "-.1") -0.1)))
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(ert-deftest esh-util-test/eshell-convert-to-number/floating-point-exponent ()
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"Test that `eshell-convert-to-number' correctly converts exponent notation."
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;; Positive exponent:
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(dolist (exp '("e2" "e+2" "E2" "E+2"))
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(should (equal (eshell-convert-to-number (concat "123" exp)) 12300.0))
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(should (equal (eshell-convert-to-number (concat "-123" exp)) -12300.0))
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(should (equal (eshell-convert-to-number (concat "1.23" exp)) 123.0))
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(should (equal (eshell-convert-to-number (concat "-1.23" exp)) -123.0))
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(should (equal (eshell-convert-to-number (concat "1." exp)) 100.0))
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(should (equal (eshell-convert-to-number (concat "-1." exp)) -100.0))
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(should (equal (eshell-convert-to-number (concat ".1" exp)) 10.0))
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(should (equal (eshell-convert-to-number (concat "-.1" exp)) -10.0)))
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;; Negative exponent:
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(dolist (exp '("e-2" "E-2"))
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(should (equal (eshell-convert-to-number (concat "123" exp)) 1.23))
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(should (equal (eshell-convert-to-number (concat "-123" exp)) -1.23))
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(should (equal (eshell-convert-to-number (concat "1.23" exp)) 0.0123))
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(should (equal (eshell-convert-to-number (concat "-1.23" exp)) -0.0123))
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(should (equal (eshell-convert-to-number (concat "1." exp)) 0.01))
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(should (equal (eshell-convert-to-number (concat "-1." exp)) -0.01))
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(should (equal (eshell-convert-to-number (concat ".1" exp)) 0.001))
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(should (equal (eshell-convert-to-number (concat "-.1" exp)) -0.001))))
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(ert-deftest esh-util-test/eshell-convert-to-number/floating-point/infinite ()
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"Test that `eshell-convert-to-number' correctly converts infinite floats."
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(should (equal (eshell-convert-to-number "1.0e+INF") 1.0e+INF))
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(should (equal (eshell-convert-to-number "2.e+INF") 1.0e+INF))
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(should (equal (eshell-convert-to-number "-1.0e+INF") -1.0e+INF))
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(should (equal (eshell-convert-to-number "-2.e+INF") -1.0e+INF)))
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(ert-deftest esh-util-test/eshell-convert-to-number/floating-point/nan ()
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"Test that `eshell-convert-to-number' correctly converts NaNs."
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(should (equal (eshell-convert-to-number "1.0e+NaN") 1.0e+NaN))
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(should (equal (eshell-convert-to-number "2.e+NaN") 2.0e+NaN))
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(should (equal (eshell-convert-to-number "-1.0e+NaN") -1.0e+NaN))
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(should (equal (eshell-convert-to-number "-2.e+NaN") -2.0e+NaN)))
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(ert-deftest esh-util-test/eshell-convert-to-number/non-numeric ()
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"Test that `eshell-convert-to-number' does nothing to non-numeric values."
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(should (equal (eshell-convert-to-number "foo") "foo"))
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(should (equal (eshell-convert-to-number "") ""))
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(should (equal (eshell-convert-to-number "123foo") "123foo")))
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(ert-deftest esh-util-test/eshell-convert-to-number/no-convert ()
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"Test that `eshell-convert-to-number' does nothing when disabled."
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(let ((eshell-convert-numeric-arguments nil))
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(should (equal (eshell-convert-to-number "123") "123"))
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(should (equal (eshell-convert-to-number "1.23") "1.23"))))
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;;; esh-util-tests.el ends here
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