.. role:: ref(emphasis)
.. _varnishtest(1):
===========
varnishtest
===========
------------------------
Test program for Varnish
------------------------
:Manual section: 1
SYNOPSIS
========
varnishtest [-hikLlqvW] [-b size] [-D name=val] [-j jobs] [-n iter] [-t duration] file [file ...]
DESCRIPTION
===========
The varnishtest program is a script driven program used to test the
Varnish Cache.
The varnishtest program, when started and given one or more script
files, can create a number of threads representing backends, some
threads representing clients, and a varnishd process. This is then used to
simulate a transaction to provoke a specific behavior.
The following options are available:
-b size Set internal buffer size (default: 512K)
-D name=val Define macro for use in scripts
-h Show help
-i Set PATH and vmod_path to find varnish binaries in build tree
-j jobs Run this many tests in parallel
-k Continue on test failure
-L Always leave temporary vtc.*
-l Leave temporary vtc.* if test fails
-n iterations Run tests this many times
-p name=val Pass parameters to all varnishd command lines
-q Quiet mode: report only failures
-t duration Time tests out after this long (default: 60s)
-v Verbose mode: always report test log
-W Enable the witness facility for locking
file File to use as a script
If `TMPDIR` is set in the environment, varnishtest creates temporary
`vtc.*` directories for each test in `$TMPDIR`, otherwise in `/tmp`.
SCRIPTS
=======
The vtc syntax is documented at length in :ref:`vtc(7)`. Should you want more
examples than the one below, you can have a look at the Varnish source code
repository, under `bin/varnishtest/tests/`, where all the regression tests for
Varnish are kept.
An example::
varnishtest "#1029"
server s1 {
rxreq
expect req.url == "/bar"
txresp -gzipbody {[bar]}
rxreq
expect req.url == "/foo"
txresp -body {FOOBARF
}
} -start
varnish v1 -vcl+backend {
sub vcl_backend_response {
set beresp.do_esi = true;
if (bereq.url == "/foo") {
set beresp.ttl = 0s;
} else {
set beresp.ttl = 10m;
}
}
} -start
client c1 {
txreq -url "/bar" -hdr "Accept-Encoding: gzip"
rxresp
gunzip
expect resp.bodylen == 5
txreq -url "/foo" -hdr "Accept-Encoding: gzip"
rxresp
expect resp.bodylen == 21
} -run
When run, the above script will simulate a server (s1) that expects
two different requests. It will start a Varnish server (v1) and add the
backend definition to the VCL specified (-vcl+backend). Finally it starts
the c1-client, which is a single client sending two requests.
TESTING A BUILD TREE
====================
Whether you are building a VMOD or trying to use one that you freshly
built, you can tell ``varnishtest`` to pass a *vmod_path* to ``varnishd``
instances started using the ``varnish -start`` command in your test case::
varnishtest -p vmod_path=... /path/to/*.vtc
This way you can use the same test cases on both installed and built
VMODs::
server s1 {...} -start
varnish v1 -vcl+backend {
import wossname;
...
} -start
...
You are not limited to the *vmod_path* and can pass any parameter,
allowing you to run a build matrix without changing the test suite. You
can achieve the same with macros, but then they need to be defined on
each run.
You can see the actual ``varnishd`` command lines in test outputs,
they look roughly like this::
exec varnishd [varnishtest -p params] [testing params] [vtc -arg params]
Parameters you define with ``varnishtest -p`` may be overriden by
parameters needed by ``varnishtest`` to run properly, and they may in
turn be overriden by parameters set in test scripts.
There's also a special mode in which ``varnishtest`` builds itself a
PATH and a *vmod_path* in order to find Varnish binaries (programs and
VMODs) in the build tree surrounding the ``varnishtest`` binary. This
is meant for testing of Varnish under development and will disregard
your *vmod_path* if you set one.
If you need to test your VMOD against a Varnish build tree, you must
install it first, in a temp directory for instance. With information
provided by the installation's *pkg-config(1)* you can build a proper
PATH in order to access Varnish programs, and a *vmod_path* to access
both your VMOD and the built-in VMODs::
export PKG_CONFIG_PATH=/path/to/install/lib/pkgconfig
BINDIR="$(pkg-config --variable=bindir varnishapi)"
SBINDIR="$(pkg-config --variable=sbindir varnishapi)"
PATH="SBINDIR:BINDIR:$PATH"
VMODDIR"$(pkg-config --variable=vmoddir varnishapi)"
VMOD_PATH="/path/to/your/vmod/build/dir:$VMODDIR"
varnishtest -p vmod_path="$VMOD_PATH" ...
SEE ALSO
========
* varnishtest source code repository with tests
* :ref:`varnishhist(1)`
* :ref:`varnishlog(1)`
* :ref:`varnishncsa(1)`
* :ref:`varnishstat(1)`
* :ref:`varnishtop(1)`
* :ref:`vcl(7)`
* :ref:`vtc(7)`
HISTORY
=======
The varnishtest program was developed by Poul-Henning Kamp
in cooperation with Varnish Software AS. This manual
page was originally written by Stig Sandbeck Mathisen
and updated by Kristian Lyngst?l .
COPYRIGHT
=========
This document is licensed under the same licence as Varnish
itself. See LICENCE for details.
* Copyright (c) 2007-2016 Varnish Software AS
Henceforth, whatever our philosopher says about Matter will apply to extension and to extension alone. It cannot be apprehended by sight, nor by hearing, nor by smell, nor by taste, for it is neither colour, nor sound, nor odour, nor juice. Neither can it be touched, for it is not a body, but it becomes corporeal on being blended with sensible qualities. And, in a later essay, he describes it as receiving all things and letting them depart again without retaining the slightest trace of their presence.483 Why then, it may be asked, if Plotinus meant extension, could he not say so at once, and save us all this trouble in hunting out his meaning? There were very good reasons why he should not. In the first place, he wished to express himself, so far as possible, in Aristotelian phraseology, and this was incompatible with the reduction of Matter to extension. In the next place, the idea of an infinite void had been already appropriated by the Epicureans, to whose system he was bitterly opposed. And, finally, the extension of ordinary327 experience had not the absolute generality which was needed in order to bring Matter into relation with that ultimate abstraction whence, like everything else, it has now to be derived. That the millionaire was genuine, ¡°in person and not a caricature,¡± as Dick put it, was evident. Both the nurse, his relative, and his wife, were chatting with him as Jeff delivered the heavy packed ball made up of the gum. 233 "I guess not," said Landor, tolerantly, as he turned[Pg 106] his horse over to his orderly; "but, anyway," he added to Ellton, "we had a picnic¡ªof a sort." Si, unable to think of anything better, went with him. The train had stopped on a switch, and seemed likely to rust fast to the rails, from the way other trains were going by in both directions. The bridge gang, under charge of a burly, red-faced young Englishman, was in the rear car, with their tools, equipments, bedding and cooking utensils. THE DEACON HAS SOME EXPERIENCES WITH THE QUADRUPED. "You are not within a mile of the truth. I know it. Look here: I believe that is Gen. Rosecrans's own cow. She's gone, and I got an order to look around for her. I've never seen her, but from the description given me I believe that's she. Who brought her here?" "Deacon, these brothers and sisters who have come here with me to-night are, like myself, deeply interested in the moral condition of the army, where we all have sons or kinsmen. Now, can't you sit right there and tell us of your observations and experiences, as a Christian man and father, from day to day, of every day that you were down there? Tell us everything, just as it happened each day, that we may be able to judge for ourselves." HAS AN ENCOUNTER WITH THE PROVOST-MARSHAL. "Wonder which one o' them is the 200th Injianny's?" said Si to Shorty. "And your mother, and Harry?" The daughter must be the girl who was talking to him now. She sat on a little stool by the fire, and had brought out some sewing. "Over at Grandturzel¡ªcan't see wot's burning from here. Git buckets and come!" These things, however, gave little concern to the worthy who commanded the Kentish division. Tyler, though an excellent blacksmith, possessed few of the qualities requisite for forming a good general. Provided there was no very sensible diminution in the number of his followers, he cared not a straw for the score or two who, after quarrelling, or perhaps fighting, withdrew in such disgust that they vowed rather to pay the full tax for ever than submit to the insolence of the rebels. One man could fight as well as another, reasoned he; and, provided he was obeyed, what mattered it by whom. Dick went and Tom came¡ªit was sure to be all one in the end. But this burst of indignation soon passed away, and upon the suggestion of the prudent Sir Robert Hailes, he sent an evasive answer, with a command that the Commons should attend him at Windsor on the Sunday following. That it was a stratagem to gain entrance to the Tower, was the opinion of several, but, after much discussion, it was decided that the man should be admitted, and that the monk should be exhibited merely to intimidate the rebels, until the result of this promised communication should be known. HoMEŮͬÐÔÁµcbcb
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