This document last updated for:
-Test Suite Version: 4.67
-Date: 20 February 2007
+Test Suite Version: 4.87
+Date: 30 January 2016
BACKGROUND
Defaults:exim-build timestamp_timeout=480,!tty_tickets
-(3) The login under which you run the tests must be in the exim group so that
- it has access to logs, spool files, etc. The login should not be one of the
- names "userx", "usery", "userz", or a few other simple ones such as "abcd"
- and "xyz" and single letters that are used in the tests. The test suite
- expects the login to have a gecos name; I think it will now run if the
- gecos field is empty but there may be anomalies.
+(3) The login under which you run the tests must have the exim group as a
+ secondary so that it has access to logs, spool files, etc. However, it
+ should have a different primary group (eg. "users" vs. "eximgroup"). The
+ login should not be one of the names "userx", "usery", "userz", or a few
+ other simple ones such as "abcd" and "xyz" and single letters that are used
+ in the tests. The test suite expects the login to have a gecos name; I think
+ it will now run if the gecos field is empty but there may be anomalies.
+ The login must not contain a dash or an equal sign. (Otherwise some tests
+ about local_from_{suffix,prefix} will fail.)
(4) The directory into which you unpack the test suite must be accessible by
the Exim user, so that code running as exim can access the files therein.
is also an IPv6 address, additional tests are run when the Exim binary
contains IPv6 support. There are checks in the scripts for a running IPv4
interface; when one is not found, some tests are skipped (with a warning
- message).
+ message). The local net may not be in 10.0/8 as that is used by the suite.
(9) Exim must be built with TRUSTED_CONFIG_LIST support, so that the test
configs can be placed into it. A suitable file location is .../exim/test/trusted_configs
- DISABLE_D_OPTION must not be used. If ALT_CONFIG_PREFIX is used, it
+ with content .../exim/test/test-config [fill out the ... to make full
+ paths]. This file should be owner/group matching CONFIGURE_OWNER/GROUP,
+ or root/root, and it has to be accessible for the login, under which
+ you run the tests. The config files in .../exim/test/confs/ should be
+ owner/group the same. DISABLE_D_OPTION must not be used. If ALT_CONFIG_PREFIX is used, it
must contain the directory of the test-suite. WHITELIST_D_MACROS should contain:
-
- DIR:EXIM_PATH:AA:ACL:ACLRCPT:ACL_MAIL:ACL_PREDATA:ACL_RCPT:AFFIX:ALLOW:ARG1:ARG2:AUTHF:AUTHS:AUTH_ID_DOMAIN:BAD:BANNER:BB:BR:BRB:CERT:COM:COMMAND_USER:CONNECTCOND:CONTROL:CREQCIP:CREQMAC:CRL:CSS:D6:DATA:DCF:DDF:DEFAULTDWC:DELAY:DETAILS:DRATELIMIT:DYNAMIC_OPTION:ELI:ERROR_DETAILS:ERT:FAKE:FALLBACK:FILTER:FILTER_PREPEND_HOME:FORBID:FORBID_SMTP_CODE:FUSER:HAI:HAP:HARDLIMIT:HEADER_LINE_MAXSIZE:HEADER_MAXSIZE:HELO_MSG:HL:HOSTS:HOSTS_AVOID_TLS:HOSTS_MAX_TRY:HVH:IFACE:IGNORE_QUOTA:INC:INSERT:IP1:IP2:LAST:LDAPSERVERS:LENCHECK:LIMIT:LIST:LOG_SELECTOR:LS:MAXNM:MESSAGE_LOGS:MSIZE:NOTDAEMON:ONCE:ONLY:OPT:OPTION:ORDER:PAH:PEX:PORT:PTBC:QDG:QOLL:QUOTA:QUOTA_FILECOUNT:QWM:RCPT_MSG:REMEMBER:REQUIRE:RETRY:RETRY1:RETRY2:RETURN:RETURN_ERROR_DETAILS:REWRITE:ROUTE_DATA:RRATELIMIT:RT:S:SELECTOR:SELF:SERVER:SERVERS:SREQCIP:SREQMAC:SRV:STD:STRICT:SUB:SUBMISSION_OPTIONS:TIMEOUTDEFER:TIMES:TRUSTED:TRYCLEAR:UL:USE_SENDER:UTF8:VALUE:WMF:X:Y
+
+ DIR:EXIM_PATH:AA:ACL:ACLRCPT:ACL_MAIL:ACL_PREDATA:ACL_RCPT:AFFIX:ALLOW:ARG1:ARG2:AUTHF:AUTHS:AUTH_ID_DOMAIN:BAD:BANNER:BB:BR:BRB:CERT:COM:COMMAND_USER:CONNECTCOND:CONTROL:CREQCIP:CREQMAC:CRL:CSS:D6:DATA:DCF:DDF:DEFAULTDWC:DELAY:DETAILS:DRATELIMIT:DYNAMIC_OPTION:ELI:ERROR_DETAILS:ERT:FAKE:FALLBACK:FILTER:FILTER_PREPEND_HOME:FORBID:FORBID_SMTP_CODE:FUSER:HAI:HAP:HARDLIMIT:HEADER_LINE_MAXSIZE:HEADER_MAXSIZE:HELO_MSG:HL:HOSTS:HOSTS_AVOID_TLS:HOSTS_MAX_TRY:HVH:IFACE:IGNORE_QUOTA:INC:INSERT:IP1:IP2:LAST:LDAPSERVERS:LENCHECK:LIMIT:LIST:LOG_SELECTOR:MAXNM:MESSAGE_LOGS:MSIZE:NOTDAEMON:ONCE:ONLY:OPT:OPTION:ORDER:PAH:PEX:PORT:PTBC:QDG:QOLL:QUOTA:QUOTA_FILECOUNT:QWM:RCPT_MSG:REMEMBER:REQUIRE:RETRY:RETRY1:RETRY2:RETURN:RETURN_ERROR_DETAILS:REWRITE:ROUTE_DATA:RRATELIMIT:SELECTOR:SELF:SERVER:SERVERS:SREQCIP:SREQMAC:SRV:STRICT:SUB:SUBMISSION_OPTIONS:TIMEOUTDEFER:TIMES:TRUSTED:TRYCLEAR:UL:USE_SENDER:UTF8:VALUE:WMF
(10) Exim must *not* be built with USE_READLINE, as the test-suite's automation
assumes the simpler I/O model.
RUNNING THE TEST SUITE
----------------------
-(1) Download the tarball exim-testsuite-x.xx.tar.bz2 and unpack it, preferably
- in a directory alongside an Exim source directory (see below).
+(1) Clone the git tree for Exim. This include both the Exim source and the
+ testsuite.
-(2) cd into the exim-testsuite-x.xx directory.
+(2) cd into the test/ subdirectory (where this README lives).
-(3) Run "autoconf" then "./configure" and then "make". This builds a few
- auxiliary programs that are written in C.
+(3) Run "./configure" and then "make". This builds a few auxiliary programs that
+ are written in C.
(4) echo $PWD/test-config >> your_TRUSTED_CONFIG_LIST_filename
Typically that is .../exim/test/trusted_configs
------------------
If you do not supply any arguments to ./runtest, it searches for an Exim
-source tree at the same level as the test suite directory. It then looks for an
-Exim binary in a "build" directory of that source tree. If there are several
-Exim source trees, it chooses the latest version of Exim. Consider the
-following example:
+source tree at the same level as the test suite directory. A source tree
+is a source tree, if it contains a build-* directory.
+
+It then looks for an Exim binary in a "build" directory of that source
+tree. If there are several Exim source trees, it chooses the latest
+version of Exim. Consider the following example:
$ ls -F /source/exim
exim-4.60/ exim-4.62/ exim-testsuite-x.xx/
(If it turns out that most people prefer to use diff, I'll change
the default.)
+ -FLAVOR <flavor>
+ -FLAVOUR <flavour>
+ This allows "overrides" for the test results. It's intended
+ use is to deal with distro specific differences in the test
+ output. The default flavour is "FOO" if autodetection fails.
+ (Autodetection is possible for known flavours only. Known
+ flavours are computed after file name extensions in stdout/*
+ and stderr/*.)
+
+ If during the test run differences between the current and
+ the expected output are found and no flavour file exists already,
+ you may update the "common" expected output or you may create a
+ flavour file. If a flavour file already exists, any updates will go
+ into that flavour file!
+
-KEEP Normally, after a successful run, the test output files are
deleted. This option prevents this. It is useful when running a
single test, in order to look at the actual output before it is
maintainer after making a change to the code that affects a lot of
tests (for example, the wording of a message).
+ -SLOW For very slow hosts that appear to have Heisenbugs, delay before
+ comparing output files from a testcase
+
The options for ./runtest must be given first (but after the name of the
binary, if present). Any further options, that is, items on the command line
that start with a hyphen, are passed to the Exim binary when it is run as part
Other circumstances give rise to other prompts. If a test generates output for
which there is no saved data, the prompt (after a message stating which file is
-unexpectely not empty) is:
+unexpectedly not empty) is:
Continue, Show, or Quit? [Q]
PORT_D is replaced by a port number for normal daemon use
PORT_N is replaced by a port number that should never respond
PORT_S is replaced by a port number for normal bin/server use
+ PORT_DYNAMIC is replaced by a port number allocated dynamically
TESTNUM is replaced by the current test number
V4NET is replaced by an IPv4 network number for testing
V6NET is replaced by an IPv6 network number for testing
they are networks that can never be used for an IP address of a real host. I've
chosen two multicast networks for the moment.
+PORT_DYNAMIC is allocated by hunting for a free port (starting at port
+1024) a listener can bind to. This is done by runtest, for simulating
+inetd operations.
+
If the host has no IPv6 address, "<no IPv6 address found>" is substituted but
that does not matter because no IPv6 tests will be run. A similar substitution
is made if there is no IPv4 address, and again, tests that actually require a
The expected return code in this case is 1, and the data lines are passed to
Exim on its standard input. Both the command line and the data lines have the
-standard substitions applied to them. Thus, HOSTNAME in the example above will
+standard substitutions applied to them. Thus, HOSTNAME in the example above will
be replaced by the local host's name. Long commands can be continued over
several lines by using \ as a continuation character. This does *not* apply to
data lines.
need_largefiles
This command must be at the head of a script. If the Exim binary does not
-suppport large files (off_t is <= 4), the entire script is skipped, and a
+support large files (off_t is <= 4), the entire script is skipped, and a
comment is output.
usage, the asterisks must be given.
+ background
+
+This command takes one script line and runs it in the background,
+in parallel with following commands. For external daemons, eg. redis-server.
+
+
catwrite <file name> [nxm[=start-of-line-text]]*
This command operates like the "write" command, which is described below,
program is compiled, one that supports TLS using OpenSSL. The additional
arguments specify a certificate and key file when required for the connection.
There are two additional options: -tls-on-connect, that causes the client to
-initiate TLS negociation immediately on connection; -ocsp that causes the TLS
+initiate TLS negotiation immediately on connection; -ocsp that causes the TLS
negotiation to include a certificate-status request. The latter takes a
filename argument, the CA info for verifying the stapled response.
Finally, "exim" can be preceded by "sudo", to run Exim as root. If more than
one of these prefixes is present, they must be in the above order.
+If the options include "-DSERVER" but not "-DNOTDAEMON", the script waits for
+Exim to start but then continues without waiting for it to terminate. Typically
+this will be for a daemon-mode "-bd" operation. The daemon should be later
+terminated using "killdaemon".
+
exim_exim [<options>] [<arguments>]
-d causes the server to output debugging information
- -t sets a timeout in seconds (default 5) for when the server is
- awaiting an incoming connection
+ -t <sec> sets a timeout (default 5) for when the server is
+ awaiting an incoming connection. If negative, the
+ absolute value is used and a timeout results in a
+ nonfailure exit code
-noipv4 causes the server not to set up an IPv4 socket
-noipv6 causes the server not to set up an IPv6 socket
+ -i <sec> sets an initial pause, to delay before creating the listen sockets
+
By default, in an IPv6 environment, both kinds of socket are set up. However,
the test script knows which interfaces actually exist on the host, and it adds
-noipv4 or -noipv6 to the server command as required. An error occurs if both
CLIENT SCRIPTS
--------------
-Lines in client scripts are of two kinds:
+Lines in client scripts are of several kinds:
(1) If a line begins with three question marks and a space, the rest of the
line defines the start of expected output from the server. If what is
received does not match, the client bombs out with an error message.
-(2) If a line starts with three plus signs followed by a space, the rest of the
+(2) If a line begins with three question marks and an asterisk, the server
+ is expected to close the connection.
+
+(3) If a line begins with four question marks, the rest of the line defines
+ the start of one or more possible output lines from the server. When it
+ matches, the client silently repeats the comparison using the next server
+ line. When the match fails, the client silently proceeds to the next script
+ line with the then-current server output unconsumed.
+
+(4) If a line starts with three plus signs followed by a space, the rest of the
line specifies a number of seconds to sleep for before proceeding.
-(3) Otherwise, the line is an input line line that is sent to the server. Any
+(5) If a line begins with three '>' characters and a space, the rest of the
+ line is input to be sent to the server. Backslash escaping is done as
+ described below, but no trailing "\r\n" is sent.
+
+(6) If a line begin with three '<' characters and a space, the rest of the
+ line is a filename; the content of the file is inserted intto the script
+ at this point.
+
+(7) Otherwise, the line is an input line line that is sent to the server. Any
occurrences of \r and \n in the line are turned into carriage return and
linefeed, respectively. This is used for testing PIPELINING.
+ Any sequences of \x followed by two hex digits are converted to the equvalent
+ byte value. Any other character following a \ is sent verbatim.
+ The line is sent with a trailing "\r\n".
Here is a simple example:
client 127.0.0.1 PORT_D
- ??? 250
+ ??? 220
EHLO xxx
??? 250-
??? 250
(d) If the line starts with ">*eof", nothing is sent and the connection
is closed.
- The data that is sent starts after the initial '>' sequence.
+ The data that is sent starts after the initial '>' sequence. Within
+ each line the sequence '\x' followed by two hex digits can be used
+ to specify an arbitrary byte value. The sequence '\\' specifies a
+ single backslash.
(2) A line that starts with "*sleep" specifies a number of seconds to wait
before proceeding.
(5) Otherwise, the line defines the start of an input line that the client
is expected to send. To allow for lines that start with digits, the line
may start with '<', which is not taken as part of the input data. If the
- input does not match, the server bombs out with an error message.
+ lines starts with '<<' then only the characters are expected; no return-
+ linefeed terminator. If the input does not match, the server bombs out
+ with an error message. Backslash-escape sequences may be used in the
+ line content as for output lines.
Here is a simple example of server use in a test script:
example, some TLS certificates) are used by more than one test, and so their
names are not of this form.
-There are also some auxilary DNS zone files, which are described in the next
+There are also some auxiliary DNS zone files, which are described in the next
section.
dynamic zone files for the name of the current host and its IP address(es). The
idea is that there should not be any need to rely on an external DNS.
-The domain names that are handled directly by Exim, without being passed to
-fakens, are:
+The fakens program handles some names programmatically rather than using the
+fake zone files. These are:
+
+ manyhome.test.ex This name is used for testing hosts with ridiculously large
+ numbers of IP addresses; 2048 IP addresses are generated
+ and returned. Doing it this way saves having to make the
+ interface to fakens handle more records that can fit in the
+ data block. The addresses that are generated are in the
+ 10.250.0.0/16 network.
test.again.dns This always provokes a TRY_AGAIN response, for testing the
handling of temporary DNS error. If the full domain name
test.fail.dns This always provokes a NO_RECOVERY response, for testing
DNS server failures.
-This special handling could now be done in the fakens program, but while the
-old test suite is still being used it has to be done in Exim itself, so for the
-moment it remains there.
-
The use of gethostbyname() and its IPv6 friends is also subverted when Exim is
running in the test harness. The test code handles a few special names
directly; for all the others it uses DNS lookups, which are then handled as
just described. Thus, the use of /etc/hosts is completely bypassed. The names
that are specially handled are:
- manyhome.test.ex This name is used for testing hosts with ridiculously large
- numbers of IP addresses; 2048 IP addresses are generated
- and returned. Doing it this way saves having to make the
- interface to fakens handle more records that can fit in the
- data block. The addresses that are generated are in the
- 10.250.0.0/16 network.
-
localhost Always returns 127.0.0.1 or ::1, for IPv4 and IPv6 lookups,
respectively.
git://git.exim.org / exim.git / blobdiff