RFC: [PATCH 0/12] tests: migrate to shell-style test framework from gnulib

[Bernhard Voelker]

Hi *,

we have a couple of shell-script-based tests, and the number of them
is increasing ... maybe because I like shell scripts. ;-)

It has become time to move this to the next level, as mentioned
in the 1st patch:

  Borrow the 'tests' framework from GNU coreutils.  This allows better
  shell-style tests with more control over stdin, stdout, stderr, signals,
  preparatory steps, cleanup, return code verification, root-only tests,
  etc.

These are further advantages and facts:
* do the shell-based tests in 'tests/', not in *'/testsuite/',
* run the gnulib-tests later during 'make check', so that one doesn't
  have to wait so long in development environment to get to our tests,
* use more syntax-check rules for the tests,
* have a set of central utility functions available,
* have 'tests/sample-test' as template for new tests.

This is the series of patches, consisting of the introduction of the
test framework itself ...

  [PATCH 01/12] tests: add shell-style test framework

... followed by the migration of the existing shell-style tests:

 [PATCH 02/12] tests: migrate 'many-dir-entries-vs-OOM' to the new testsuite
 [PATCH 03/12] tests: migrate 'name-lbracket-literal' to the new testsuite
 [PATCH 04/12] tests: migrate test 'printf_escapechars' to the new testsuite
 [PATCH 05/12] tests: migrate 'printf_escape_c' to the new testsuite
 [PATCH 06/12] tests: migrate 'printf_inode' to the new testsuite
 [PATCH 07/12] tests: migrate 'execdir-fd-leak' to the new testsuite
 [PATCH 08/12] tests: migrate 'exec-plus-last-file' to the new testsuite
 [PATCH 09/12] tests: migrate 'refuse-noop' to the new testsuite
 [PATCH 10/12] tests: migrate 'debug-missing-arg' to the new testsuite
 [PATCH 11/12] tests: migrate 'type_list' to the new testsuite
 [PATCH 12/12] tests: remove last traces of old shell tests

I tested on Linux (openSUSE:Tumbleweed), FreeBSD, NetBSD, OpenBSD
and Alpine Linux.  I don't currently have access to more platforms,
so please feel encouraged to run them on more of them: Solaris, HP-UX,
IRIX, whatever ... .

WDYT?

Thanks & have a nice day,
Berny

0001-tests-add-shell-style-test-framework.patch
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0002-tests-migrate-many-dir-entries-vs-OOM-to-the-new-tes.patch
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0003-tests-migrate-name-lbracket-literal-to-the-new-tests.patch
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0004-tests-migrate-test-printf_escapechars-to-the-new-tes.patch
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0005-tests-migrate-printf_escape_c-to-the-new-testsuite.patch
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0006-tests-migrate-printf_inode-to-the-new-testsuite.patch
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0007-tests-migrate-execdir-fd-leak-to-the-new-testsuite.patch
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0008-tests-migrate-exec-plus-last-file-to-the-new-testsui.patch
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0009-tests-migrate-refuse-noop-to-the-new-testsuite.patch
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0010-tests-migrate-debug-missing-arg-to-the-new-testsuite.patch
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0011-tests-migrate-type_list-to-the-new-testsuite.patch
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0012-tests-remove-last-traces-of-old-shell-tests.patch
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