Fix bug where MutatesData would not correctly propogate through connectors #9053
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Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## main #9053 +/- ##
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Coverage 91.57% 91.57%
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Files 316 316
Lines 17147 17161 +14
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bogdandrutu
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Dec 7, 2023
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dmitryax
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Dec 8, 2023
| @@ -42,7 +42,7 @@ type metricsConsumer struct { | |||
| } | |||
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| func (msc *metricsConsumer) Capabilities() consumer.Capabilities { | |||
| return consumer.Capabilities{MutatesData: false} | |||
| return consumer.Capabilities{MutatesData: len(msc.mutable) > 0} | |||
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If there is a readonly receiver in the fan-out, it's not mutating. The mutable data will be copied
Suggested change
| return consumer.Capabilities{MutatesData: len(msc.mutable) > 0} | |
| return consumer.Capabilities{MutatesData: len(msc.mutable) > 0 && len(msc. readonly) == 0} |
bogdandrutu
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Dec 9, 2023
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Dec 11, 2023
Follow up to #9053. @dmitryax pointed out [here](#9053 (comment)) that the fanout consumer will pass original data to a non-mutating consumer if any is available. This PR incorporates that point and updates test expectations accordingly.
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This fixes two closely related problems.