122 lines
3.7 KiB
Plaintext
122 lines
3.7 KiB
Plaintext
<testcase>
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# This test is quite timing dependent and tricky to set up. The time line of
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# test operations looks like this:
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#
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# 1. curl sends a PUT request with Expect: 100-continue and waits only 1 msec
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# for a 100 response.
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# 2. The HTTP server accepts the connection but waits 500 msec before acting
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# on the request.
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# 3. curl doesn't receive the expected 100 response before its timeout expires,
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# so it starts sending the body. It is throttled by a --limit-rate, so it
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# sends the first 64 KiB then stops for 1000 msec due to this
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# throttling.
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# 4. The server sends its 417 response while curl is throttled.
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# 5. curl responds to this 417 response by closing the connection (because it
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# has a half-completed response outstanding) and starting a new one. This
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# new request does not have an Expect: header so it is sent without delay.
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# It's still throttled, however, so it takes about 16 seconds to finish
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# sending.
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# 6. The server receives the response and this time acks it with 200.
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#
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# Because of the timing sensitivity (scheduling delays of 500 msec can cause
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# the test to fail), this test is marked flaky to avoid it being run in the CI
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# builds which are often run on overloaded servers.
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# Increasing the --limit-rate would decrease the test time, but at the cost of
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# becoming even more sensitive to delays (going from 500 msec to 250 msec or
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# less of accepted delay before failure). Adding a --speed-time would increase
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# the 1 second delay between writes to longer, but it would also increase the
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# total time needed by the test, which is already quite high.
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#
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# The assumption in step 3 is also broken on NetBSD 9.3, OpenBSD 7.3 and
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# Solaris 10 as they only usually send about half the requested amount of data
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# (see https://curl.se/mail/lib-2023-09/0021.html).
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<info>
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<keywords>
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HTTP
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HTTP PUT
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Expect
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flaky
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timing-dependent
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</keywords>
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</info>
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# Server-side
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<reply>
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# 417 means the server didn't like the Expect header
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<data>
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HTTP/1.1 417 BAD swsbounce
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Date: Tue, 09 Nov 2010 14:49:00 GMT
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Server: test-server/fake
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Content-Length: 0
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</data>
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<data1>
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HTTP/1.1 200 OK
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Date: Tue, 09 Nov 2010 14:49:00 GMT
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Server: test-server/fake
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Content-Length: 10
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blablabla
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</data1>
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<datacheck>
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HTTP/1.1 417 BAD swsbounce
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Date: Tue, 09 Nov 2010 14:49:00 GMT
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Server: test-server/fake
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Content-Length: 0
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HTTP/1.1 200 OK
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Date: Tue, 09 Nov 2010 14:49:00 GMT
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Server: test-server/fake
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Content-Length: 10
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blablabla
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</datacheck>
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<servercmd>
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no-expect
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delay: 500
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connection-monitor
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</servercmd>
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</reply>
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# Client-side
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<client>
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<server>
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http
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</server>
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<name>
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HTTP PUT with Expect: 100-continue and 417 response during upload
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</name>
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<command>
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http://%HOSTIP:%HTTPPORT/we/want/%TESTNUMBER -T %LOGDIR/test%TESTNUMBER.txt --limit-rate 64K --expect100-timeout 0.001
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</command>
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<precheck>
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perl -e "print 'Test does not work on this BSD system' if ( $^O eq 'netbsd' || $^O eq 'openbsd' || ($^O eq 'solaris' && qx/uname -r/ * 100 <= 510));"
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</precheck>
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# Must be large enough to trigger curl's automatic 100-continue behaviour
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<file name="%LOGDIR/test%TESTNUMBER.txt">
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%repeat[132 x S]%%repeat[16462 x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx%0a]%
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</file>
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</client>
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# Verify data after the test has been "shot"
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<verify>
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<protocol>
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PUT /we/want/%TESTNUMBER HTTP/1.1
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Host: %HOSTIP:%HTTPPORT
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User-Agent: curl/%VERSION
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Accept: */*
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Content-Length: 1053701
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Expect: 100-continue
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%repeat[132 x S]%%repeat[1021 x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx%0a]%%repeat[60 x x]%[DISCONNECT]
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PUT /we/want/%TESTNUMBER HTTP/1.1
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Host: %HOSTIP:%HTTPPORT
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User-Agent: curl/%VERSION
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Accept: */*
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Content-Length: 1053701
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%repeat[132 x S]%%repeat[16462 x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx%0a]%
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[DISCONNECT]
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</protocol>
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</verify>
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</testcase>
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