[13.x] Add tests for SeeInHtml constraint covering unicode whitespace#60128
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Pull request overview
Adds dedicated PHPUnit coverage for Illuminate\Testing\Constraints\SeeInHtml::normalize() to prevent regressions in Unicode whitespace collapsing (the /u regex modifier behavior introduced in #60090) when asserting rendered HTML/text.
Changes:
- Introduces a new
SeeInHtmlTestsuite validating Unicode whitespace collapsing from both HTML entities and raw UTF-8 whitespace characters. - Adds regression coverage for ASCII whitespace collapsing, negate-mode behavior, and ordered matching across Unicode whitespace.
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Why
SeeInHtml::normalize()had no test coverage. PR #60090 added the/umodifier topreg_replace('/\s+/u', ' ', $value)so HTML containing Unicodewhitespace (non-breaking space, em space, ideographic space, etc.) collapses correctly before comparison — but the fix shipped without tests, so future
regressions wouldn't be caught.
What
Adds
tests/Testing/SeeInHtmlTest.phpwith 6 test methods covering: , ,　)./ubehavior).negatemode inverting the assertion correctly.orderedmode respecting sequence across unicode whitespace.