[wp-trac] [WordPress Trac] #39693: Fix missing assignment of widgets on theme switch

[WordPress Trac]

#39693: Fix missing assignment of widgets on theme switch
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 Reporter:  melchoyce    |       Owner:
     Type:  enhancement  |      Status:  assigned
 Priority:  normal       |   Milestone:  4.9
Component:  Widgets      |     Version:
 Severity:  normal       |  Resolution:
 Keywords:               |     Focuses:
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Comment (by obenland):

 I wrote tests for the existing version of `retreive_widgets()`, in an
 effort to understand the function better and hopefully maintain backwards
 compatibility with future changes. Not sure if I achieved 100% code
 coverage, but it should be pretty close.

 It seems like the function has four(!) different contexts from which it's
 called from and behaves differently based on that context. I'll dive a bit
 more into the history of that function to get a better understanding, but
 for now the tests should at least give a little better footing to build
 on.

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Ticket URL: <https://core.trac.wordpress.org/ticket/39693#comment:55>
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