* bug#25534: 26.0; xref ERT tests fail when the source path is mixed case
@ 2017-01-25 21:59 Wilfred Hughes
2017-01-30 22:43 ` Glenn Morris
0 siblings, 1 reply; 3+ messages in thread
From: Wilfred Hughes @ 2017-01-25 21:59 UTC (permalink / raw)
To: 25534
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The xref tests fail on case sensitive filesystems if the source directory
is not all lower case.
For example, if I have Emacs checked out in /home/wilfred/src/EMACS, I get
the following test failure:
Test xref-elisp-test-find-defs-defalias-defun-el condition:
(error "Can't find library /home/wilfred/src/emacs/lisp/buff-menu.el")
FAILED 12/36 xref-elisp-test-find-defs-defalias-defun-el
Note that the path is incorrectly converted from ~/src/EMACS to
~/src/emacs, which doesn't exist.
This causes the following tests to fail:
FAILED xref-elisp-test-find-defs-constructor
FAILED xref-elisp-test-find-defs-defalias-defun-el
FAILED xref-elisp-test-find-defs-defgeneric-co-located-default
FAILED xref-elisp-test-find-defs-defgeneric-el
FAILED xref-elisp-test-find-defs-defgeneric-implicit-generic
FAILED xref-elisp-test-find-defs-defgeneric-no-default
FAILED xref-elisp-test-find-defs-defgeneric-no-methods
FAILED xref-elisp-test-find-defs-defgeneric-separate-default
FAILED xref-elisp-test-find-defs-define-overload-co-located-default
FAILED xref-elisp-test-find-defs-define-overload-no-default
FAILED xref-elisp-test-find-defs-define-overload-no-methods
FAILED xref-elisp-test-find-defs-define-overload-separate-default
FAILED xref-elisp-test-find-defs-defun-defvar-el
FAILED xref-elisp-test-find-defs-defun-el
FAILED xref-elisp-test-find-defs-defun-el-defvar-c
FAILED xref-elisp-test-find-defs-defvar-el
FAILED xref-elisp-test-find-defs-face-el
FAILED xref-elisp-test-find-defs-feature-el
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^ permalink raw reply [flat|nested] 3+ messages in thread
* bug#25534: 26.0; xref ERT tests fail when the source path is mixed case
2017-01-25 21:59 bug#25534: 26.0; xref ERT tests fail when the source path is mixed case Wilfred Hughes
@ 2017-01-30 22:43 ` Glenn Morris
2018-12-19 2:21 ` Glenn Morris
0 siblings, 1 reply; 3+ messages in thread
From: Glenn Morris @ 2017-01-30 22:43 UTC (permalink / raw)
To: Wilfred Hughes; +Cc: 25534
Wilfred Hughes wrote:
> The xref tests fail on case sensitive filesystems if the source directory
> is not all lower case.
I guess this is due to the explicit downcasing added for the
huge-and-still-open bug #21816.
^ permalink raw reply [flat|nested] 3+ messages in thread
* bug#25534: 26.0; xref ERT tests fail when the source path is mixed case
2017-01-30 22:43 ` Glenn Morris
@ 2018-12-19 2:21 ` Glenn Morris
0 siblings, 0 replies; 3+ messages in thread
From: Glenn Morris @ 2018-12-19 2:21 UTC (permalink / raw)
To: 25534-done
Version: 26.2
In an effort to reduce the number of distropatches in Debian, specifically
https://sources.debian.org/patches/emacs/1:26.1+1-1/0008-Don-t-downcase-real-xref-in-elisp-mode-tests.patch/
I have applied the following:
commit 4c6c327
Date: Tue Dec 18 21:18:31 2018 -0500
Restrict downcasing in elisp xref tests (bug#25534)
The tests happen to not fail at the moment because find-library-name
now has an extra feature, find-library--from-load-history, which
happens to do a case-insensitive regexp match; but still it seems
better not to rely on this.
* test/lisp/progmodes/elisp-mode-tests.el (xref--case-insensitive):
New variable.
(xref-elisp-test-run, emacs-test-dir): Only downcase if the
filesystem seems to be case-insensitive.
diff --git a/test/lisp/progmodes/elisp-mode-tests.el b/test/lisp/progmodes/elisp-mode-tests.el
index 941e85b..97148ef 100644
--- a/test/lisp/progmodes/elisp-mode-tests.el
+++ b/test/lisp/progmodes/elisp-mode-tests.el
@@ -298,6 +298,16 @@ xref-elisp-test-descr-to-target
)))
+;; tmp may be on a different filesystem to the tests, but, ehh.
+(defvar xref--case-insensitive
+ (let ((dir (make-temp-file "xref-test" t)))
+ (unwind-protect
+ (progn
+ (with-temp-file (expand-file-name "hElLo" dir) "hello")
+ (file-exists-p (expand-file-name "HELLO" dir)))
+ (delete-directory dir t)))
+ "Non-nil if file system seems to be case-insensitive.")
+
(defun xref-elisp-test-run (xrefs expected-xrefs)
(should (= (length xrefs) (length expected-xrefs)))
(while xrefs
@@ -307,11 +317,13 @@ xref-elisp-test-run
(expected-source (when (consp expected) (cdr expected))))
;; Downcase the filenames for case-insensitive file systems.
- (setf (xref-elisp-location-file (oref xref location))
- (downcase (xref-elisp-location-file (oref xref location))))
+ (when xref--case-insensitive
+ (setf (xref-elisp-location-file (oref xref location))
+ (downcase (xref-elisp-location-file (oref xref location))))
- (setf (xref-elisp-location-file (oref expected-xref location))
- (downcase (xref-elisp-location-file (oref expected-xref location))))
+ (setf (xref-elisp-location-file (oref expected-xref location))
+ (downcase (xref-elisp-location-file
+ (oref expected-xref location)))))
(should (equal xref expected-xref))
@@ -346,10 +358,10 @@ xref-elisp-deftest
;; `load-path' has the correct case, so this causes the expected test
;; values to have the wrong case). This is handled in
;; `xref-elisp-test-run'.
-(defconst emacs-test-dir
- (downcase
- (file-truename (file-name-directory
- (or load-file-name (buffer-file-name))))))
+(defvar emacs-test-dir
+ (funcall (if xref--case-insensitive 'downcase 'identity)
+ (file-truename (file-name-directory
+ (or load-file-name (buffer-file-name))))))
;; alphabetical by test name
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2017-01-25 21:59 bug#25534: 26.0; xref ERT tests fail when the source path is mixed case Wilfred Hughes
2017-01-30 22:43 ` Glenn Morris
2018-12-19 2:21 ` Glenn Morris
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