Fix flaky testExists by using deterministic key setup - #2827
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michael-grunder merged 1 commit intoApr 8, 2026
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The test used rand() to decide which keys to create, making it possible for $mkeys to be empty. This caused EXISTS to receive an empty array, resulting in a sporadic assertion failure: (false) !== 0 Observed in phpredis#2825 CI and also in an unrelated branch: - https://github.com/phpredis/phpredis/actions/runs/24132080914 - https://github.com/phpredis/phpredis/actions/runs/23617186872
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The test used rand() to decide which keys to create, making it possible for $mkeys to be empty. This caused EXISTS to receive an empty array, resulting in a sporadic assertion failure: (false) !== 0
Observed in #2825 CI and also in an unrelated branch: