Test captured HTTP headers - HTTP server tests, part 1 #4320
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mateuszrzeszutek
requested review from
anuraaga,
iNikem,
jkwatson,
laurit,
pavolloffay,
trask and
tylerbenson
as code owners
…hrown NPE on getHeaders())
trask
approved these changes
Oct 7, 2021
| testLibrary("io.undertow:undertow-servlet:1.0.0.Final") | ||
| testLibrary("io.undertow:undertow-servlet:1.4.28.Final") |
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Undertow 1.0 had a bug where it thrown NPE on getHeaders()
😱
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public Collection<String> getHeaders(String name) {
return new ArrayList(this.exchange.getResponseHeaders().get(name));
}Guess what happens when this.exchange.getResponseHeaders() returns null because there are no headers in the response yet 🙈
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I've added a new test case in
HttpServerTestjust for testing the captured headers; this test is enabled in some Spring boot test (javaagent instrumentation) and Restlet (library instrumentation). I'll enable it in all other tests in the next PR.