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#4621 describe how the mysql-test program finds tests to run refs[t:4621]

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git-svn-id: file:///svn/mysql/tests/mysql-test@41288 c7de825b-a66e-492c-adef-691d508d4ae1
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Rich Prohaska 2012-03-28 21:19:11 +00:00
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mysql-test/README.tokudb
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The mysql tests for TokuDB consist of tests that are common to all MySQL distributions
and tests that are specific to each MySQL distribtion.
The MySQL tests for TokuDB consists of two sets of tests.
The common mysql tests are stored in the svn:tokudb/mysql/tests/mysql-test directory.
The tests that are common for all MySQL distributions can be found in the
svn:tokudb/mysql/tests/mysql-test directory.
The distribution specifc tests are stored with each MySQL distribution. For example,
tests specific to MySQL 5.1.61 can be found in the svn:tokudb/mysql.com/mysql-5.1.61/mysql-test
directory.
The tests that are specific to a particular distribution can be found in that
distribution's mysql-test directory. For example, tests that are specific to
MySQL 5.5.21 are found in the svn:tokudb/mysql.com/mysql-5.5.21/mysql-test directory.
We assemble tests from these places in the following order. First, the common mysql tests
are checked out of the subversion repository. Then, the distribution specific tests are
overlayed onto the common tests. This allows a distribution specific test to replace the
behaviour captured in a common test. Please see the run.mysql.tests.bash script for
an example of how this works.
When we run tests on a particular MySQL distribution, we run the union of the common
tests and the tests that are in that distributions mysql-test directory. The union
is formed by overlaying the common tests with the distribution specific tests.
Here is an example. There are a bunch of alter table tests in that should be common
to all MySQL distributions. These tests are in the
svn:tokudb/mysql/tests/mysql-test/suite/tokudb.alter_table directory.
However, the ai_di.test has behaviour that is different on MySQL 5.5 than previous
MySQL distributions. There is another version of this test in the MySQL 5.5.21 source
directory. This version replaces the common test since it has the same test name.
It is easy to disable a test. Just add the test name to the "disabled.def" file in the
test directory.