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180 lines
6.7 KiB
180 lines
6.7 KiB
7 years ago
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;;; buffer.el --- Test the test support for buffers -*- lexical-binding: t -*-
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(add-to-list 'load-path ".")
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(load "ert-buffer" nil t)
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;; ****************************************************************************
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;; `ert-Buf'
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(defun roundtrip-ert-Buf (in)
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(with-temp-buffer
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(ert-Buf--to-buffer (ert-Buf-from-string in))
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(ert-Buf-string (ert-Buf-from-buffer))))
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(ert-deftest ert-Buf ()
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"Tests for functions working with `ert-Buf's."
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(should (equal (concat ert-Buf-point-char "abc\n")
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(roundtrip-ert-Buf (concat ert-Buf-point-char "abc\n"))))
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(should (equal (concat "a" ert-Buf-point-char "bc\n")
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(roundtrip-ert-Buf (concat "a" ert-Buf-point-char "bc\n"))))
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(should (equal (concat "ab" ert-Buf-point-char "c\n")
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(roundtrip-ert-Buf (concat "ab" ert-Buf-point-char "c\n"))))
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(should (equal (concat "abc" ert-Buf-point-char "\n")
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(roundtrip-ert-Buf (concat "abc" ert-Buf-point-char "\n"))))
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(should (equal (concat "abc\n" ert-Buf-point-char)
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(roundtrip-ert-Buf (concat "abc\n" ert-Buf-point-char))))
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(should (equal (concat ert-Buf-point-char "abc\n" ert-Buf-mark-char "")
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(roundtrip-ert-Buf
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(concat ert-Buf-point-char "abc\n" ert-Buf-mark-char ""))))
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(should (equal (concat ert-Buf-mark-char "abc\n" ert-Buf-point-char)
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(roundtrip-ert-Buf
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(concat ert-Buf-mark-char "abc\n" ert-Buf-point-char))))
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(should (equal (concat "a" ert-Buf-mark-char ert-Buf-point-char "bc\n")
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(roundtrip-ert-Buf
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(concat "a" ert-Buf-point-char "" ert-Buf-mark-char "bc\n"))))
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(should (equal (concat "ab" ert-Buf-mark-char "" ert-Buf-point-char "c\n")
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(roundtrip-ert-Buf
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(concat "ab" ert-Buf-mark-char ert-Buf-point-char "c\n"))))
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(should-error (ert-Buf-from-string
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(concat "ab" ert-Buf-point-char ert-Buf-point-char "c\n")))
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(should-error (ert-Buf-from-string
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(concat "ab" ert-Buf-mark-char ert-Buf-mark-char "c\n")))
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)
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(ert-deftest ert-Buf--from-argument ()
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"Test `ert-Buf--from-argument'."
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(let ((marked-a (ert-Buf-from-string
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(concat ert-Buf-point-char "a" ert-Buf-mark-char))))
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(should (not (ert-Buf--from-argument nil nil)))
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(should (equal (ert-Buf--from-argument ?a nil)
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(ert-Buf-from-string "a")))
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(should (equal (ert-Buf--from-argument ert-Buf-point-char nil)
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(ert-Buf-from-string ert-Buf-point-char)))
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(should (equal (ert-Buf--from-argument '("a" "b") nil)
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(ert-Buf-from-string "ab")))
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(should (equal (ert-Buf--from-argument `("a" ,ert-Buf-point-char "b") nil)
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(ert-Buf-from-string (concat "a" ert-Buf-point-char "b"))))
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(should (equal (ert-Buf--from-argument marked-a nil) marked-a))
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(should-error (ert-Buf--from-argument -1 nil))
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(should-error (ert-Buf--from-argument [0] nil))
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(should-error (ert-Buf--from-argument t nil))
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(should-error (ert-Buf--from-argument t t))
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(should (eq (ert-Buf--from-argument t marked-a) marked-a))
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))
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;; ****************************************************************************
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;; Advice `ert-completing-read'
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(defvar read-fun-args nil
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"Input for for functions reading the minibuffer.
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Consists of a list of functions and their argument lists to be
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run successively. Prompt is omitted.")
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(defun insert-reads ()
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(interactive)
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(while read-fun-args
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(let* ((fun-arg (pop read-fun-args))
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(result (apply (car fun-arg) "" (cdr fun-arg))))
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(insert (if (integerp result)
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(int-to-string result)
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result) "\n"))))
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(defun test-reads (inputs fun-args result)
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(setq read-fun-args fun-args)
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(ert-equal-buffer '(insert-reads) "" result inputs))
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(ert-deftest reads ()
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"Tests for functions using `completing-read's."
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(should (test-reads '(5) '((read-number)) "5\n"))
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(should (test-reads nil nil ""))
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(should-error (test-reads '("") nil "")) ;; Too much input.
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(should-error (test-reads '(5) '((read-number)
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(read-number)) "")) ;; Too less input.
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(should (test-reads '("") '((completing-read nil)) "\n"))
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(should (test-reads '("" "") '((completing-read nil)
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(completing-read nil)) "\n\n"))
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(should (test-reads '("a" "b") '((completing-read nil)
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(completing-read nil)) "a\nb\n"))
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(should (test-reads '("a" "b") '((completing-read ("a" "b"))
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(completing-read ("a" "b"))) "a\nb\n"))
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(should (test-reads '("a" "b") '((completing-read ("a" "b"))
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(completing-read ("a"))) "a\nb\n"))
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(should-error (test-reads '("a" "b")
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'((completing-read ("a" "b"))
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(completing-read ("a") nil t)) "a\nb\n")) ;; Invalid input.
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(should (test-reads '("a" "")
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'((completing-read ("a" "b"))
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(completing-read ("a") nil t)) "a\n\n"))
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(should-error (test-reads '("a" "")
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'((completing-read ("a" "b"))
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(completing-read ("a") nil 'non-empty)) "a\n\n"))
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(should (test-reads '("x") '((read-string)) "x\n"))
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(should (test-reads '("") '((read-string nil nil "x")) "x\n"))
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(should (test-reads '("y") '((read-string nil nil "x")) "y\n"))
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(should (test-reads '("") '((read-number 5)) "5\n"))
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(should (test-reads '(0) '((read-number 5)) "0\n"))
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)
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;; ****************************************************************************
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;; Test main functions
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(ert-deftest ert-equal-buffer ()
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"Tests for `ert-equal-buffer'."
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(should (ert-equal-buffer '(insert "foo")
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(concat ert-Buf-point-char ert-Buf-mark-char)
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(concat ert-Buf-mark-char "foo"
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ert-Buf-point-char)))
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(should (ert-equal-buffer '(delete-region)
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(concat ert-Buf-mark-char "foo"
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ert-Buf-point-char)
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(concat ert-Buf-point-char ert-Buf-mark-char)
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t))
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(should (ert-equal-buffer '(delete-region 1 4)
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"foo"
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""))
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(should-error (ert-equal-buffer '(delete-region 0 3)
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(concat "foo")
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"") :type 'args-out-of-range)
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(should (ert-equal-buffer '(goto-char 4)
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"foo"
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(concat "foo" ert-Buf-point-char)))
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)
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(ert-deftest ert-equal-buffer-return ()
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"Tests for `ert-equal-buffer-return'."
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(should (ert-equal-buffer-return '(buffer-substring-no-properties 4 1)
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"foo"
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t
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"foo"))
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(should (ert-equal-buffer-return '(delete-and-extract-region 1 4)
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"foo"
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""
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"foo"))
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(should (ert-equal-buffer-return '(point)
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ert-Buf-point-char
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t
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1))
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(should (ert-equal-buffer-return '(point)
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(concat " " ert-Buf-point-char)
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t
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2))
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(should (ert-equal-buffer-return '(region-beginning)
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(concat ert-Buf-point-char " "
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ert-Buf-mark-char)
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t
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1))
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(should (ert-equal-buffer-return '(region-end)
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(concat ert-Buf-mark-char " "
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ert-Buf-point-char)
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t
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2))
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(should (ert-equal-buffer-return '(following-char)
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(concat ert-Buf-point-char "A")
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t
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?A))
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(should (ert-equal-buffer-return '(following-char)
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(concat "A" ert-Buf-point-char)
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t
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0))
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)
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