[wp-trac] [WordPress Trac] #64531: assertEqualHTML may ignore leading whitespace text

[WordPress Trac]

#64531: assertEqualHTML may ignore leading whitespace text
--------------------------------------+---------------------
 Reporter:  jonsurrell                |       Owner:  (none)
     Type:  defect (bug)              |      Status:  new
 Priority:  normal                    |   Milestone:
Component:  Build/Test Tools          |     Version:  6.9
 Severity:  normal                    |  Resolution:
 Keywords:  has-patch has-unit-tests  |     Focuses:
--------------------------------------+---------------------
Description changed by jonsurrell:

Old description:

> Some leading whitespace is trimmed from text nodes resulting in incorrect
> assertions like the following (passes, but should not):
>
> {{{#!php
> <?php
> $this->assertEqualHTML(
>   "<p> x</p>",
>   "<p>\nx</p>"
> );
> }}}
>
> The following tree is constructed by `build_visual_html_tree()` in both
> cases:
>
> {{{
> <p>
>   "x"
> }}}
>
> The is the expected trees are:
>
> {{{
> <p>
>   " x"
> }}}
> {{{
> <p>
>   "
> x"
> }}}

New description:

 Some leading whitespace is trimmed from text nodes resulting in incorrect
 assertions like the following (passes, but should not):

 {{{#!php
 <?php
 $this->assertEqualHTML(
   "<p> x</p>",
   "<p>\nx</p>"
 );
 }}}

 The following tree is constructed by `build_visual_html_tree()` in both
 cases:

 {{{
 <p>
   "x"
 }}}

 The expected trees are:

 {{{
 <p>
   " x"
 }}}
 {{{
 <p>
   "
 x"
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/64531#comment:4>
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