mysqltest - program to run test cases
mysqltest_embedded - program to run embedded test cases
mysqltest [options] [db_name]
mysqltest_embedded [options] [db_name]
The mysqltest program runs a test case against a MySQL server and optionally compares the output with a result file. This program reads input written in a special test language. Typically, you invoke mysqltest using mysql-test-run.pl rather than invoking it directly.
mysqltest_embedded is similar but is built with support for the libmysqld embedded server.
Features of mysqltest:
o Can send SQL statements to MySQL servers for execution
o Can execute external shell commands
o Can test whether the result from an SQL statement or shell command is as expected
o Can connect to one or more standalone mysqld servers and switch between connections
o Can connect to an embedded server (libmysqld), if MySQL is compiled with support for libmysqld. (In this case, the executable is named mysqltest_embedded rather than mysqltest.)
By default, mysqltest reads the test case on the standard input. To run mysqltest this way, you normally invoke it like this:
shell> mysqltest [options] [db_name] < test_file
You can also name the test case file with a --test-file=file_name option.
The exit value from mysqltest is 0 for success, 1 for failure, and 62 if it skips the test case (for example, if after checking some preconditions it decides not to run the test).
mysqltest supports the following options:
o --help, -?
Display a help message and exit.
o --basedir=dir_name, -b dir_name
The base directory for tests.
The directory where character sets are installed.
o --compress, -C
Compress all information sent between the client and the server if both support compression.
Use cursors for prepared statements.
o --database=db_name, -D db_name
The default database to use.
o --debug[=debug_options], -#[debug_options]
Write a debugging log if MySQL is built with debugging support. The default debug_options value is d:t:S:i:O,/tmp/mysqltest.trace.
Print some debugging information when the program exits.
Print debugging information and memory and CPU usage statistics when the program exits.
o --host=host_name, -h host_name
Connect to the MySQL server on the given host.
o --include=file_name, -i file_name
Include the contents of the given file before processing the contents of the test file. The included file should have the same format as other mysqltest test files. This option has the same effect as putting a --source file_name command as the first line of the test file.
The directory to use for log files.
Write the line number and elapsed time to test_file.progress.
The maximum number of connection attempts when connecting to server.
The maximum number of simultaneous server connections per client (that is, per test). If not set, the maximum is 128. Minimum allowed limit is 8, maximum is 5120.
This option is available from MySQL 5.1.45.
Do not read default options from any option files. If used, this must be the first option.
The directory in which to look for plugins. It may be necessary to specify this option if the default_auth argument is used for the connect() command to specify an authentication plugin but mysqltest does not find it. This option was added in MySQL 5.5.7.
o --password[=password], -p[password]
The password to use when connecting to the server. If you use the short option form (-p), you cannot have a space between the option and the password. If you omit the password value following the --password or -p option on the command line, you are prompted for one.
o --port=port_num, -P port_num
The TCP/IP port number to use for the connection.
Choose the protocol for communication with the server. SOCKET is default.
The --protocol option is available from MySQL 5.1.51. It is ignored if running with the embedded server.
Use the prepared-statement protocol for communication.
Suppress all normal output. This is a synonym for --silent.
o --record, -r
Record the output that results from running the test file into the file named by the --result-file option, if that option is given. It is an error to use this option without also using --result-file.
o --result-file=file_name, -R file_name
This option specifies the file for test case expected results. --result-file, together with --record, determines how mysqltest treats the test actual and expected results for a test case:
o If the test produces no results, mysqltest exits with an error message to that effect, unless --result-file is given and the named file is an empty file.
o Otherwise, if --result-file is not given, mysqltest sends test results to the standard output.
o With --result-file but not --record, mysqltest reads the expected results from the given file and compares them with the actual results. If the results do not match, mysqltest writes a .reject file in the same directory as the result file, outputs a diff of the two files, and exits with an error.
o With both --result-file and --record, mysqltest updates the given file by writing the actual test results to it.
o --server-arg=value, -A value
Pass the argument as an argument to the embedded server. For example, --server-arg=--tmpdir=/tmp or --server-arg=--core. Up to 64 arguments can be given.
o --server-file=file_name, -F file_name
Read arguments for the embedded server from the given file. The file should contain one argument per line.
The path name to a file containing the server RSA public key. The file must be in PEM format. The public key is used for RSA encryption of the client password for connections to the server made using accounts that authenticate with the sha256_password plugin. This option is ignored for client accounts that do not authenticate with that plugin. It is also ignored if password encryption is not needed, as is the case when the client connects to the server using an SSL connection.
The server sends the public key to the client as needed, so it is not necessary to use this option for RSA password encryption to occur. It is more efficient to do so because then the server need not send the key.
For additional discussion regarding use of the sha256_password plugin, including how to get the RSA public key, see [blue]The SHA-256 Authentication Plugin.
This option is available only if MySQL was built using OpenSSL. It was added in MySQL 5.6.6 under the name --server-public-key and renamed in 5.6.7 to --server-public-key-path.
o --silent, -s
Suppress all normal output.
Do not use memory allocation checking.
o --sleep=num, -T num
Cause all sleep commands in the test case file to sleep num seconds. This option does not affect real_sleep commands.
As of MySQL 5.0.23, an option value of 0 can be used, which effectively disables sleep commands in the test case.
o --socket=path, -S path
The socket file to use when connecting to localhost (which is the default host).
Execute DML statements within a stored procedure. For every DML statement, mysqltest creates and invokes a stored procedure that executes the statement rather than executing the statement directly.
Specify how many lines of the result to include in the output if the test fails because an SQL statement fails. The default is 0, meaning no lines of result printed.
o --test-file=file_name, -x file_name
Read test input from this file. The default is to read from the standard input.
o --timer-file=file_name, -m file_name
If given, the number of millisecond spent running the test will be written to this file. This is used by mysql-test-run.pl for its reporting.
o --tmpdir=dir_name, -t dir_name
The temporary directory where socket files are created.
o --user=user_name, -u user_name
The MySQL user name to use when connecting to the server.
o --verbose, -v
Verbose mode. Print out more information about what the program does.
o --version, -V
Display version information and exit.
Every SELECT statement is wrapped inside a view. This option was added in MySQL 5.0.19.
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1. The SHA-256 Authentication Plugin http://dev.mysql.com/doc/refman/5.6/en/sha256-authentication-plugin.html
For more information, please refer to the MySQL Reference Manual, which may already be installed locally and which is also available online at http://dev.mysql.com/doc/.
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