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583e4141
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2017-08-30T14:35:57
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tests: deterministically generate test suite definitions
The script "generate.py" is used to parse all test source files for unit
tests. These are then written into a "clar.suite" file, which can be
included by the main test executable to make available all test suites
and unit tests.
Our current algorithm simply collects all test suites inside of a dict,
iterates through its items and dumps them in a special format into the
file. As the order is not guaranteed to be deterministic for Python
dictionaries, this may result in arbitrarily ordered C structs. This
obviously defeats the purpose of reproducible builds, where the same
input should always result in the exact same output.
Fix this issue by sorting the test suites by name previous to dumping
them as structs. This enables reproducible builds for the libgit2_clar
file.
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8d22bcea
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2017-05-10T12:21:53
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generate.py: generate clar cache in binary directory
The source directory should usually not be touched when using
out-of-tree builds. But next to the previously fixed "clar.suite" file, we
are also writing the ".clarcache" into the project's source tree,
breaking the builds. Fix this by also honoring the output directory for
the ".clarcache" file.
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9e240bd2
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2017-05-10T12:02:03
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generate.py: enable overriding path of generated clar.suite
The generate.py script will currently always write the generated
clar.suite file into the scanned directory, breaking out-of-tree builds
with read-only source directories. Fix this issue by adding another
option to allow overriding the output path of the generated file.
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0a513a94
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2017-05-10T11:46:00
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generate.py: disallow generating test suites for multiple paths
Our generate.py script is used to extract and write test suite
declarations into the clar.suite file. As is, the script accepts
multiple directories on the command line and will generate this file for
each of these directories.
The generate.py script will always write the clar.suite file into the
directory which is about to be scanned. This actually breaks
out-of-tree builds with libgit2, as the file will be generated in the
source tree instead of in the build tree. This is noticed especially in
the case where the source tree is mounted read-only, rendering us unable
to build unit tests.
Due to us accepting multiple paths which are to be scanned, it is not
trivial to fix though. The first solution which comes into mind would be
to re-create the directory hierarchy at a given output path or use
unique names for the clar.suite files, but this is rather cumbersome and
magical. The second and cleaner solution would be to fold all
directories into a single clar.suite file, but this would probably break
some use-cases.
Seeing that we do not ever pass multiple directories to generate.py, we
will now simply retire support for this. This allows us to later on
introduce an additional option to specify the path where the clar.suite
file will be generated at, defaulting to "clar.suite" inside of the
scanned directory.
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3a1eb9e5
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2014-12-07T22:09:00
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Update clar to e3985dd
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17820381
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2013-11-14T14:05:52
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Rename tests-clar to tests
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