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Tests: tests for usage of discarded body. The client_max_body_size limit should be ignored when the request body is already discarded. In HTTP/1.x, this is done by checking the r->discard_body flag when the body is being discarded, and because r->headers_in.content_length_n is 0 when it's already discarded. This, however, does not happen with HTTP/2 and HTTP/3, and therefore "error_page 413" does not work without relaxing the limit. Further, with proxy_pass, r->headers_in.content_length_n is used to determine length of the request body, and therefore is not correct if discarding of the request body isn't yet complete. While discarding the request body, r->headers_in.content_length_n contains the rest of the body to discard (or, in case of chunked request body, the rest of the current chunk to discard). Similarly, the $content_length variable uses r->headers_in.content_length if available, and also incorrect. The $content_length variable is used when proxying with fastcgi_pass, grpc_pass, and uwsgi_pass (scgi_pass uses the value calculated based on the actual request body buffers, and therefore works correctly).
author Maxim Dounin <mdounin@mdounin.ru>
date Sat, 27 Apr 2024 18:55:50 +0300
parents f3ba4c74de31
children
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Test suite for nginx.

Use prove to run tests as one usually do for perl tests.  Individual tests
may be run as well.

Note: tests run nginx (and backend daemons if needed) listening on localhost
and may use various ports in 8000 .. 8999 range.

Usage:

    $ TEST_NGINX_BINARY=/path/to/nginx prove .

By default tests expect nginx binary to be at ../nginx/objs/nginx.

Environment variables:

TEST_NGINX_BINARY

    Sets path to nginx binary to be tested, defaults to "../nginx/objs/nginx".

TEST_NGINX_MODULES

    Sets path to modules directory, defaults to dirname of TEST_NGINX_BINARY.

TEST_NGINX_VERBOSE

    Be a bit more verbose (in particular, print requests sent and responses
    got from nginx).  Note that this requires prove -v (or HARNESS_VERBOSE).

TEST_NGINX_LEAVE

    If set, temporary directory with configs and logs won't be deleted on test
    completion.  Useful for debugging.

TEST_NGINX_CATLOG

    Cat error log to stdout after test completion.  Useful for debugging.

TEST_NGINX_UNSAFE

    Run unsafe tests.

TEST_NGINX_GLOBALS

    Sets additional directives in main context.

TEST_NGINX_GLOBALS_HTTP

    Sets additional directives in http context.

TEST_NGINX_GLOBALS_STREAM

    Sets additional directives in stream context.

Happy testing!