Observability: listen queue backlog

[exim.git] / test / README

diff --git a/test/README b/test/README
index 0d26488cb46ce31d4375edceac046224742845b9..bca17eb18c4abe9fb7d0765068558ad742c92297 100644 (file)
--- a/test/README
+++ b/test/README
@@ -115,17 +115,17 @@ In order to run this test suite, the following requirements must be met:
     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
     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).  The local net may not be in 10.0/8 as that is used by the suite.
+    message).  The local net may not be in 10.250.0/16 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
     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
 
 (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
     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 
+    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:
     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: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
      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


@@ -146,13 +146,13 @@ the extra functionality, except for a few special cases such as the databases
 RUNNING THE TEST SUITE
 ----------------------
 
 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
 
 (4) echo $PWD/test-config >> your_TRUSTED_CONFIG_LIST_filename
     Typically that is .../exim/test/trusted_configs


@@ -268,11 +268,15 @@ There are some options for the ./runtest script itself:
   -FLAVOUR <flavour>
             This allows "overrides" for the test results. It's intended
             use is to deal with distro specific differences in the test
   -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 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
+            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
             into that flavour file!
 
   -KEEP     Normally, after a successful run, the test output files are


@@ -294,6 +298,9 @@ There are some options for the ./runtest script itself:
             maintainer after making a change to the code that affects a lot of
             tests (for example, the wording of a message).
 
             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
 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


@@ -412,7 +419,7 @@ after doing any further comparisons that may be necessary.
 
 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
 
 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]
 
 
   Continue, Show, or Quit? [Q]
 


@@ -510,6 +517,9 @@ bin/client-ssl     A script-driven SMTP client simulation with OpenSSL support.
                    This is built only if OpenSSL support is detected on the
                    host.
 
                    This is built only if OpenSSL support is detected on the
                    host.
 

+bin/client-anytls  A symlink to either client-ssl or client-gnutls, if
+                   any is built.
+

 bin/fakens         A fake "nameserver" for DNS tests (see below for details).
 
 bin/fd             A program that outputs details of open file descriptors.
 bin/fakens         A fake "nameserver" for DNS tests (see below for details).
 
 bin/fd             A program that outputs details of open file descriptors.


@@ -551,6 +561,7 @@ here:
   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_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
   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


@@ -561,6 +572,10 @@ testing purposes, and for testing Exim with -bh. The only requirement is that
 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.
 
 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
 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


@@ -676,7 +691,7 @@ just one command:
 
 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
 
 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.
 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.


@@ -690,6 +705,11 @@ Commands with no input
 These commands are not followed by any input data, or by a line of asterisks.
 
 
 These commands are not followed by any input data, or by a line of asterisks.
 
 

+  ### This is a verbose comment
+
+A line starting with three hashmarks and some space copies the following text to
+both stdout and stderr file being written by the test.
+

   dbmbuild <file1> <file1>
 
 This command runs the exim_dbmbuild utility to build a DBM file. It is used
   dbmbuild <file1> <file1>
 
 This command runs the exim_dbmbuild utility to build a DBM file. It is used


@@ -712,7 +732,8 @@ scripts.
   exim_lock [options] <file name>
 
 This command runs the exim_lock utility with the given options and file name.
   exim_lock [options] <file name>
 
 This command runs the exim_lock utility with the given options and file name.

-The file remains locked with the following command (normally exim) is obeyed.
+The file remains locked for following commands until a non-daemon "exim"
+completes.

 
 
   exinext <data>
 
 
   exinext <data>


@@ -769,7 +790,7 @@ found, the entire script is skipped, and a comment is output.
   need_largefiles
 
 This command must be at the head of a script. If the Exim binary does not
   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.
 
 
 comment is output.
 
 


@@ -838,9 +859,25 @@ Commands with input
 -------------------
 
 The remaining commands are followed by data lines for their standard input,
 -------------------
 
 The remaining commands are followed by data lines for their standard input,

-terminated by four asterisks. Even if no data is required for the particular
+terminated by four asterisks ("****"). Even if no data is required for the particular

 usage, the asterisks must be given.
 
 usage, the asterisks must be given.
 

+If the input line starts with ':<cmd>:', this prefix is removed and the
+line is processed by the runtest script before sending. The following
+commands are recognised:
+
+- "eval": process the reset of the line with Perl's string eval()
+  function. This can be used to send arbitrary data by encoding it as
+  escape sequences (e.g. "\x41\101"). If you need a line ending, you have
+  to append it accordingly (e.g. "\r\n").
+
+- "noeol": do not terminate the data sent to the application with an end
+  of line character.
+
+- "sleep": interpret the rest of the line as an integer and sleep for
+  that number of seconds before proceeding. No data will be output to
+  the application.
+

 
   background
 
 
   background
 


@@ -855,7 +892,6 @@ except that the data it generates is copied to the end of the test-stdout file
 as well as to the named file.
 
 
 as well as to the named file.
 
 

-

   client [<options>] <ip address> <port> [<outgoing interface>]
 
 This command runs the auxiliary "client" program that simulates an SMTP client.
   client [<options>] <ip address> <port> [<outgoing interface>]
 
 This command runs the auxiliary "client" program that simulates an SMTP client.


@@ -875,7 +911,7 @@ When OpenSSL is available on the host, an alternative version of the client
 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
 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.
 
 negotiation to include a certificate-status request.  The latter takes a
 filename argument, the CA info for verifying the stapled response.
 


@@ -957,8 +993,9 @@ connections. Here are some example commands:
 
 The following lines, up to a line of four asterisks, are the server's
 controlling standard input (described below). These lines are read and
 
 The following lines, up to a line of four asterisks, are the server's
 controlling standard input (described below). These lines are read and

-remembered; during the following commands, until an "exim" command is reached,
-the server is run in parallel.
+remembered; during the following commands, until a non-deamon "exim" command
+is reached, the server is run in parallel.  Then the server termination
+is waited for.

 
 
   write <file name> [nxm[=start-of-line-text]]*
 
 
   write <file name> [nxm[=start-of-line-text]]*


@@ -1005,18 +1042,38 @@ one-off things to be done.
 CLIENT SCRIPTS
 --------------
 
 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
+(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.
 
     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.
 
     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 into 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.
     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 equivalent
+    byte value.  Any other character following a \ is sent verbatim.
+    The line is sent with a trailing "\r\n".

 
 Here is a simple example:
 
 
 Here is a simple example:
 


@@ -1062,13 +1119,16 @@ are of the following kinds:
 (2) A line that starts with "*sleep" specifies a number of seconds to wait
     before proceeding.
 
 (2) A line that starts with "*sleep" specifies a number of seconds to wait
     before proceeding.
 

-(3) A line containing "*eof" specifies that the client is expected to close
+(3) A line containing "*data" and a number specifies that the client is
+    expected to send that many byte; the server discards them
+
+(4) A line containing "*eof" specifies that the client is expected to close

     the connection at this point.
 
     the connection at this point.
 

-(4) A line containing just '.' specifies that the client is expected to send
+(5) A line containing just '.' specifies that the client is expected to send

     many lines, terminated by one that contains just a dot.
 
     many lines, terminated by one that contains just a dot.
 

-(5) Otherwise, the line defines the start of an input line that the client
+(6) 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
     lines starts with '<<' then only the characters are expected; no return-
     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
     lines starts with '<<' then only the characters are expected; no return-


@@ -1120,7 +1180,7 @@ indicating that they are specific to that one test. A few fixed files (for
 example, some TLS certificates) are used by more than one test, and so their
 names are not of this form.
 
 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.
 
 
 section.