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The test_server application has previously been deprecated.
In OTP 19, we will move relevant parts of test_server into the
common_test application. Test suites that include test_server.hrl
must be updated to include ct.hrl instead. Test suites that include
test_server_line.hrl must removed that inclusion. Test suites that
call the test_server module directly will continue to work in OTP 19.
The test suites for Erlang/OTP are built and executed in exactly
the same way as previously.
Here are some more details.
The modules test_server*.erl and erl2html2.erl in lib/test_server/src
have been moved to common_test/src.
The test_server.hrl and test_server_line.hrl include files have
been deleted. The macros in test_server.hrl have been copied into
lib/common_test/include/ct.hrl.
The ts*.erl modules and their associated data files in
lib/test_server/src has been been moved to the new directory
lib/common_test/test_server. The ts* modules are no longer built
to lib/common_test/ebin. They will only built when 'make release_tests'
is executed.
The test suite for test_server has been moved to lib/common_test/test.
The rest of the files have been deleted.
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This addresses several bugs in common_test (ct) when using the cover
analysis mechanism:
In a ct test run, one can give a cover spec file which indicates that
cover analysis shall be run, including a number of modules and a
number of nodes. During the ct test run, multiple jobs may be started
in test_server, and when the cover option is used, test_server would
cover compile and analyse all given modules for each job. This commit
instead allows the compilation and analysis to be explicitly ordered
by ct for each test run. This way each module will only be cover
compiled and analysed once. The cover log will be located in the
common_test log directory (ct_run.<timestamp>), and the "Coverage log"
link in each suite.log.html will point to this file. A new button is
also added in the top level ct index file, which points to the cover
log.
This change also reduces the need of using the 'export' and 'import'
options, since there is no longer any need to accumulate cover data
over multiple test_server jobs. However, these options may still be
used for importing and exporting cover data in order to store or
accumulate data from multiple ct test runs.
The 'nodes' option was earlier only used by ct to start cover on the
given nodes before starting the first test_server job. After this job
was completed, test_server would stop cover completely and then start
it again for the next job without any knowledge of the 'nodes'
options. For the next test_server jobs cover would therefore no longer
be running on these nodes. Explcit calls to ct_cover:add_nodes had to
be done in order to collect data through all test_server jobs. This
bug has now been solved, since cover is no longer stopped between each
test_server job.
Finally, ct no longer stores cover data using
ct_util:set_testdata. This was earlier used by ct_cover:add_nodes to
make sure no node was added twice.This did, however, cause some
problems when ct and cover were out of sync. ct could belive that a
node was running cover and thus reject adding this node, while in
reality cover had been stopped on the node (e.g. by test_server) so no
cover data was collected. ct_cover:add_nodes will now instead use
cover:which_nodes to check if a node is already running.
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After removing the functionality for remote target nodes in R16A,
there was still some unused code left and some documentation that was
not updated. This is now completed.
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The support for remote target nodes has not worked in a long time.
We are unlikely to ever need remot target node support and if
we'll need it will be easier to start over from scratch.
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* bg/remove-stray-ose-support:
configure: Remove stray OSE/Delta support
Makefiles: Remove stray OSE/Delta support
kernel tests: Remove stray OSE/Delta support
system tests: Remove stray OSE/Delta support
erl_interface tests: Remove stray OSE/Delta support
epmd: Remove stray OSE/Delta support
epmd: #ifdef out start_epmd() for other platforms than VxWorks
emulator tests: Remove stray OSE/Delta support
emulator: Remove stray OSE/Delta support
emulator: Eliminate #ifdef for sys_tty_reset()
test_server: Remove stray support for OSE/Delta
OTP-8585 bg/remove-stray-ose-support
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Remove code supporting testing on OSE/Delta.
Some cross-testing support only used by OSE/Delta is kept
(see the mention of OSE in test_server_internal.hrl), because
it could presumably be useful in the future if we are to test
some other embedded system.
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