Don't create duplicate headers#2727
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anuraaga
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Apr 9, 2021
anuraaga
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Apr 12, 2021
mateuszrzeszutek
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Apr 12, 2021
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Resolves #2594
Adds a new test to
HttpClientTestthat create a request, sends the request, and then reuses that request (sending it a second time).Most of the http client libraries support this kind of reuse, and several of our instrumentations would end up adding the
traceparentheader multiple times (#2594).HttpTestServernow throws an exception if there is more than onetraceparentheader.To implement the new test, the
doRequest()method that was implemented in each subclass ofHttpClientTesthas been split into two methods:buildRequest()sendRequest()The normal
doRequest(now final) is implemented asbuildRequest+sendRequest, while the newdoReusedRequest(also final) is implemented asbuildRequest+sendRequest+sendRequest.