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The `shellapi.h` header was included as of
https://github.com/clar-test/clar/commit/136e763211aa, to have
`SHFileOperation()` declared so that it could be called.
However, https://github.com/clar-test/clar/commit/5ce31b69b525 removed
that call, and therefore that `#include <shellapi.h>` is unnecessary.
It is also unwanted in Git because this project uses a subset of Git for
Windows' SDK in its CI builds that (for bandwidth reasons) excludes tons
of header files, including `shellapi.h`.
So let's remove it.
Note: Since the `windows.h` header would include `shellapi.h` anyway, we
also define `WIN32_LEAN_AND_MEAN` to avoid this and similar other
unnecessary includes before including `windows.h`.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When CLAR_FIXTURE_PATH is unset, the `fs_copy()` function seems not to
be used. But it is declared as `static`, and GCC does not like that,
complaining that it should not be declared/defined to begin with.
We could mark this function as (potentially) unused by following the
`MAYBE_UNUSED` pattern from Git's `git-compat-util.h`. However, this is
a GCC-only construct that is not understood by Visual C. Besides, `clar`
does not use that pattern at all.
Instead, let's use the `((void)SYMBOL);` pattern that `clar` already
uses elsewhere; This avoids the compile error by sorta kinda make the
function used after a fashion.
Note: GCC 14.x (which Git for Windows' SDK already uses) is able to
figure out that this function is unused even though there are recursive
calls between `fs_copy()` and `fs_copydir_helper()`; Earlier GCC
versions do not detect that, and therefore the issue has been hidden
from the regular Linux CI builds (where GCC 14.x is not yet used). That
is the reason why this change is only made in the Windows-specific
portion of `t/unit-tests/clar/clar/fs.h`.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When using mingw-w64 to compile the code, and using `_stat()`, it is
necessary to use `struct _stat`, too, and not `struct stat` (as the
latter is incompatible with the "dashed" version because it is limited
to 32-bit time types for backwards compatibility).
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The NonStop platform does not have `mkdtemp()` available, which we rely
on in `build_sandbox_path()`. Fix this issue by using `mktemp()` and
`mkdir()` instead on this platform.
This has been cherry-picked from the upstream pull request at [1].
[1]: https://github.com/clar-test/clar/pull/96
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Our unit testing framework is a homegrown solution. While it supports
most of our needs, it is likely that the volume of unit tests will grow
quite a bit in the future such that we can exercise low-level subsystems
directly. This surfaces several shortcomings that the current solution
has:
- There is no way to run only one specific tests. While some of our
unit tests wire this up manually, others don't. In general, it
requires quite a bit of boilerplate to get this set up correctly.
- Failures do not cause a test to stop execution directly. Instead,
the test author needs to return manually whenever an assertion
fails. This is rather verbose and is not done correctly in most of
our unit tests.
- Wiring up a new testcase requires both implementing the test
function and calling it in the respective test suite's main
function, which is creating code duplication.
We can of course fix all of these issues ourselves, but that feels
rather pointless when there are already so many unit testing frameworks
out there that have those features.
We line out some requirements for any unit testing framework in
"Documentation/technical/unit-tests.txt". The "clar" unit testing
framework, which isn't listed in that table yet, ticks many of the
boxes:
- It is licensed under ISC, which is compatible.
- It is easily vendorable because it is rather tiny at around 1200
lines of code.
- It is easily hackable due to the same reason.
- It has TAP support.
- It has skippable tests.
- It preprocesses test files in order to extract test functions, which
then get wired up automatically.
While it's not perfect, the fact that clar originates from the libgit2
project means that it should be rather easy for us to collaborate with
upstream to plug any gaps.
Import the clar unit testing framework at commit 1516124 (Merge pull
request #97 from pks-t/pks-whitespace-fixes, 2024-08-15). The framework
will be wired up in subsequent commits.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The code path for compacting reftable files saw some bugfixes
against concurrent operation.
* ps/reftable-concurrent-compaction:
reftable/stack: fix segfault when reload with reused readers fails
reftable/stack: reorder swapping in the reloaded stack contents
reftable/reader: keep readers alive during iteration
reftable/reader: introduce refcounting
reftable/stack: fix broken refnames in `write_n_ref_tables()`
reftable/reader: inline `reader_close()`
reftable/reader: inline `init_reader()`
reftable/reader: rename `reftable_new_reader()`
reftable/stack: inline `stack_compact_range_stats()`
reftable/blocksource: drop malloc block source
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helper/test-oid-array.c along with t0064-oid-array.sh test the
oid-array.h API, which provides storage and processing
efficiency over large lists of object identifiers.
Migrate them to the unit testing framework for better runtime
performance and efficiency. As we don't initialize a repository
in these tests, the hash algo that functions like oid_array_lookup()
use is not initialized, therefore call repo_set_hash_algo() to
initialize it. And init_hash_algo():lib-oid.c can aid in this
process, so make it public.
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Mentored-by: Kaartic Sivaraam <kaartic.sivaraam@gmail.com>
Helped-by: Phillip Wood <phillip.wood123@gmail.com>
Signed-off-by: Ghanshyam Thakkar <shyamthakkar001@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Another test for reftable library ported to the unit test framework.
* cp/unit-test-reftable-block:
t-reftable-block: mark unused argv/argc
t-reftable-block: add tests for index blocks
t-reftable-block: add tests for obj blocks
t-reftable-block: add tests for log blocks
t-reftable-block: remove unnecessary variable 'j'
t-reftable-block: use xstrfmt() instead of xstrdup()
t-reftable-block: use block_iter_reset() instead of block_iter_close()
t-reftable-block: use reftable_record_key() instead of strbuf_addstr()
t-reftable-block: use reftable_record_equal() instead of check_str()
t-reftable-block: release used block reader
t: harmonize t-reftable-block.c with coding guidelines
t: move reftable/block_test.c to the unit testing framework
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The code in the reftable library has been cleaned up by discarding
unused "generic" interface.
* ps/reftable-drop-generic:
reftable: mark unused parameters in empty iterator functions
reftable/generic: drop interface
t/helper: refactor to not use `struct reftable_table`
t/helper: use `hash_to_hex_algop()` to print hashes
t/helper: inline printing of reftable records
t/helper: inline `reftable_table_print()`
t/helper: inline `reftable_stack_print_directory()`
t/helper: inline `reftable_reader_print_file()`
t/helper: inline `reftable_dump_main()`
reftable/dump: drop unused `compact_stack()`
reftable/generic: move generic iterator code into iterator interface
reftable/iter: drop double-checking logic
reftable/stack: open-code reading refs
reftable/merged: stop using generic tables in the merged table
reftable/merged: rename `reftable_new_merged_table()`
reftable/merged: expose functions to initialize iterators
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Another rewrite of test.
* gt/unit-test-urlmatch-normalization:
t: migrate t0110-urlmatch-normalization to the new framework
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This is conceptually the same as the cases in df9d638c24 (unit-tests:
ignore unused argc/argv, 2024-08-17), but this unit test was migrated
from the reftable tests in a parallel branch.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This spot was originally marked in in 4695c3f3a9 (reftable: mark unused
parameters in virtual functions, 2024-08-17), but was copied in
5b539a5361 (t: move reftable/readwrite_test.c to the unit testing
framework, 2024-08-13).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Mark unused parameters as UNUSED to squelch -Wunused warnings.
* jk/mark-unused-parameters:
t-hashmap: stop calling setup() for t_intern() test
scalar: mark unused parameters in dummy function
daemon: mark unused parameters in non-posix fallbacks
setup: mark unused parameter in config callback
test-mergesort: mark unused parameters in trivial callback
t-hashmap: mark unused parameters in callback function
reftable: mark unused parameters in virtual functions
reftable: drop obsolete test function declarations
reftable: ignore unused argc/argv in test functions
unit-tests: ignore unused argc/argv
t/helper: mark more unused argv/argc arguments
oss-fuzz: mark unused argv/argc argument
refs: mark unused parameters in do_for_each_reflog_helper()
refs: mark unused parameters in ref_store fsck callbacks
update-ref: mark more unused parameters in parser callbacks
imap-send: mark unused parameter in ssl_socket_connect() fallback
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* cp/unit-test-reftable-readwrite:
t-reftable-readwrite: add test for known error
t-reftable-readwrite: use 'for' in place of infinite 'while' loops
t-reftable-readwrite: use free_names() instead of a for loop
t: move reftable/readwrite_test.c to the unit testing framework
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It was recently reported that concurrent reads and writes may cause the
reftable backend to segfault. The root cause of this is that we do not
properly keep track of reftable readers across reloads.
Suppose that you have a reftable iterator and then decide to reload the
stack while iterating through the iterator. When the stack has been
rewritten since we have created the iterator, then we would end up
discarding a subset of readers that may still be in use by the iterator.
The consequence is that we now try to reference deallocated memory,
which of course segfaults.
One way to trigger this is in t5616, where some background maintenance
jobs have been leaking from one test into another. This leads to stack
traces like the following one:
+ git -c protocol.version=0 -C pc1 fetch --filter=blob:limit=29999 --refetch origin
AddressSanitizer:DEADLYSIGNAL
=================================================================
==657994==ERROR: AddressSanitizer: SEGV on unknown address 0x7fa0f0ec6089 (pc 0x55f23e52ddf9 bp
0x7ffe7bfa1700 sp 0x7ffe7bfa1700 T0)
==657994==The signal is caused by a READ memory access.
#0 0x55f23e52ddf9 in get_var_int reftable/record.c:29
#1 0x55f23e53295e in reftable_decode_keylen reftable/record.c:170
#2 0x55f23e532cc0 in reftable_decode_key reftable/record.c:194
#3 0x55f23e54e72e in block_iter_next reftable/block.c:398
#4 0x55f23e5573dc in table_iter_next_in_block reftable/reader.c:240
#5 0x55f23e5573dc in table_iter_next reftable/reader.c:355
#6 0x55f23e5573dc in table_iter_next reftable/reader.c:339
#7 0x55f23e551283 in merged_iter_advance_subiter reftable/merged.c:69
#8 0x55f23e55169e in merged_iter_next_entry reftable/merged.c:123
#9 0x55f23e55169e in merged_iter_next_void reftable/merged.c:172
#10 0x55f23e537625 in reftable_iterator_next_ref reftable/generic.c:175
#11 0x55f23e2cf9c6 in reftable_ref_iterator_advance refs/reftable-backend.c:464
#12 0x55f23e2d996e in ref_iterator_advance refs/iterator.c:13
#13 0x55f23e2d996e in do_for_each_ref_iterator refs/iterator.c:452
#14 0x55f23dca6767 in get_ref_map builtin/fetch.c:623
#15 0x55f23dca6767 in do_fetch builtin/fetch.c:1659
#16 0x55f23dca6767 in fetch_one builtin/fetch.c:2133
#17 0x55f23dca6767 in cmd_fetch builtin/fetch.c:2432
#18 0x55f23dba7764 in run_builtin git.c:484
#19 0x55f23dba7764 in handle_builtin git.c:741
#20 0x55f23dbab61e in run_argv git.c:805
#21 0x55f23dbab61e in cmd_main git.c:1000
#22 0x55f23dba4781 in main common-main.c:64
#23 0x7fa0f063fc89 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
#24 0x7fa0f063fd44 in __libc_start_main_impl ../csu/libc-start.c:360
#25 0x55f23dba6ad0 in _start (git+0xadfad0) (BuildId: 803b2b7f59beb03d7849fb8294a8e2145dd4aa27)
While it is somewhat awkward that the maintenance processes survive
tests in the first place, it is totally expected that reftables should
work alright with concurrent writers. Seemingly they don't.
The only underlying resource that we need to care about in this context
is the reftable reader, which is responsible for reading a single table
from disk. These readers get discarded immediately (unless reused) when
calling `reftable_stack_reload()`, which is wrong. We can only close
them once we know that there are no iterators using them anymore.
Prepare for a fix by converting the reftable readers to be refcounted.
Reported-by: Jeff King <peff@peff.net>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Rename the `reftable_new_reader()` function to `reftable_reader_new()`
to match our coding guidelines.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `reftable_table` interface provides a generic infrastructure that
can abstract away whether the underlying table is a single table, or a
merged table. This abstraction can make it rather hard to reason about
the code. We didn't ever use it to implement the reftable backend, and
with the preceding patches in this patch series we in fact don't use it
at all anymore. Furthermore, it became somewhat useless with the recent
refactorings that made it possible to seek reftable iterators multiple
times, as these now provide generic access to tables for us. The
interface is thus redundant and only brings unnecessary complexity with
it.
Remove the `struct reftable_table` interface and its associated
functions.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The merged table provides access to a reftable stack by merging the
contents of those tables into a virtual table. These subtables are being
tracked via `struct reftable_table`, which is a generic interface for
accessing either a single reftable or a merged reftable. So in theory,
it would be possible for the merged table to merge together other merged
tables.
This is somewhat nonsensical though: we only ever set up a merged table
over normal reftables, and there is no reason to do otherwise. This
generic interface thus makes the code way harder to follow and reason
about than really necessary. The abstraction layer may also have an
impact on performance, even though the extra set of vtable function
calls probably doesn't really matter.
Refactor the merged tables to use a `struct reftable_reader` for each of
the subtables instead, which gives us direct access to the underlying
tables. Adjust names accordingly.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Rename `reftable_new_merged_table()` to `reftable_merged_table_new()`
such that the name matches our coding style.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the current testing setup, block operations are left unexercised
for index blocks. Add a test that exercises these operations for
index blocks.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Chandra Pratap <chandrapratap3519@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the current testing setup, block operations are left unexercised
for obj blocks. Add a test that exercises these operations for obj
blocks.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Chandra Pratap <chandrapratap3519@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the current testing setup, block operations are only exercised
for ref blocks. Add another test that exercises these operations
for log blocks as well.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Chandra Pratap <chandrapratap3519@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Currently, there are two variables for array indices, 'i' and 'j'.
The variable 'j' is used only once and can be easily replaced with
'i'. Get rid of 'j' and replace its occurence with 'i'.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Chandra Pratap <chandrapratap3519@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Use xstrfmt() to assign a formatted string to a ref record's
refname instead of xstrdup(). This helps save the overhead of
a local 'char' buffer as well as makes the test more compact.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Chandra Pratap <chandrapratap3519@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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block_iter_reset() restores a block iterator to its state at the time
of initialization without freeing any memory while block_iter_close()
deallocates the memory for the iterator.
In the current testing setup, a block iterator is allocated and
deallocated for every iteration of a loop, which hurts performance.
Improve upon this by using block_iter_reset() at the start of each
iteration instead. This has the added benifit of testing
block_iter_reset(), which currently remains untested.
Similarly, remove reftable_record_release() for a reftable record
that is still in use.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Chandra Pratap <chandrapratap3519@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the current testing setup, the record key required for many block
iterator functions is manually stored in a strbuf struct and then
passed to these functions. This is not ideal when there exists a
dedicated function to encode a record's key into a strbuf, namely
reftable_record_key(). Use this function instead of manual encoding.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Chandra Pratap <chandrapratap3519@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the current testing setup, operations like read and write for
reftable blocks as defined by reftable/block.{c, h} are verified by
comparing only the keys of input and output reftable records. This is
not ideal because there can exist inequal reftable records with the
same key. Use the dedicated function for record comparison,
reftable_record_equal(), instead of key-based comparison.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Chandra Pratap <chandrapratap3519@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Used block readers must be released using block_reader_release() to
prevent the occurence of a memory leak. Make test_block_read_write()
conform to this statement.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Chandra Pratap <chandrapratap3519@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Harmonize the newly ported test unit-tests/t-reftable-block.c
with the following guidelines:
- Single line 'for' statements must omit curly braces.
- Structs must be 0-initialized with '= { 0 }' instead of '= { NULL }'.
- Array sizes and indices should preferably be of type 'size_t'and
not 'int'.
- Return code variable should preferably be named 'ret', not 'n'.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Chandra Pratap <chandrapratap3519@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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reftable/block_test.c exercises the functions defined in
reftable/block.{c, h}. Migrate reftable/block_test.c to the unit
testing framework. Migration involves refactoring the tests
to use the unit testing framework instead of reftable's test
framework and renaming the tests to follow the unit-tests'
naming conventions.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Chandra Pratap <chandrapratap3519@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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helper/test-urlmatch-normalization along with
t0110-urlmatch-normalization test the `url_normalize()` function from
'urlmatch.h'. Migrate them to the unit testing framework for better
performance. And also add different test_msg()s for better debugging.
In the migration, last two of the checks from `t_url_general_escape()`
were slightly changed compared to the shell script. This involves
changing
'\'' -> '
'\!' -> !
in the urls of those checks. This is because in C strings, we don't
need to escape "'" and "!". Other than these two, all the urls were
pasted verbatim from the shell script.
Another change is the removal of a MINGW prerequisite from one of the
test. It was there because[1] on Windows, the command line is a
Unicode string, it is not possible to pass arbitrary bytes to a
program. But in unit tests we don't have this limitation.
And since we can construct strings with arbitrary bytes in C, let's
also remove the test files which contain URLs with arbitrary bytes in
the 't/t0110' directory and instead embed those URLs in the unit test
code itself.
[1]: https://lore.kernel.org/git/53CAC8EF.6020707@gmail.com/
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Mentored-by: Kaartic Sivaraam <kaartic.sivaraam@gmail.com>
Signed-off-by: Ghanshyam Thakkar <shyamthakkar001@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit f24a9b78a9 (t-hashmap: mark unused parameters in callback
function, 2024-08-17) noted that the t_intern() does not need its
hashmap parameter, but we have to keep it to conform to the function
pointer interface of setup().
But since the only thing setup() does is create and tear down the
hashmap, we can just skip calling setup() entirely for this case, and
drop the unused parameters. This simplifies the code a bit.
Helped-by: Ghanshyam Thakkar <shyamthakkar001@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Unit-test framework has learned a simple control structure to allow
embedding test statements in-line instead of having to create a new
function to contain them.
* rs/unit-tests-test-run:
t-strvec: use if_test
t-reftable-basics: use if_test
t-ctype: use if_test
unit-tests: add if_test
unit-tests: show location of checks outside of tests
t0080: use here-doc test body
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The t_intern() setup function doesn't operate on a hashmap, so it
ignores its parameters. But we can't drop them since it is passed as a
pointer to setup(), so we have to match the other setup functions. Mark
them to silence -Wunused-parameter.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The reftable code uses a lot of virtual function pointers, but many of
the concrete implementations do not need all of the parameters.
For the most part these are obviously fine to just mark as UNUSED (e.g.,
the empty_iterator functions unsurprisingly do not do anything). Here
are a few cases where I dug a little deeper (but still ended up just
marking them UNUSED):
- the iterator exclude_patterns is best-effort and optional (though it
would be nice to support in the long run as an optimization)
- ignoring the ref_store in many transaction functions is unexpected,
but works because the ref_transaction itself carries enough
information to do what we need.
- ignoring "err" for in some cases (e.g., transaction abort) is OK
because we do not return any errors. It is a little odd for
reftable_be_create_reflog(), though, since we do return errors
there. We should perhaps be creating string error messages at this
layer, but I've punted on that for now.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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All of the unit test programs have their own cmd_main() function, but
none of them actually look at the argc/argv that is passed in.
In the long run we may want them to handle options for the test harness.
But we'd probably do that with a shared harness cmd_main(), dispatching
to the individual tests. In the meantime, let's annotate the unused
parameters to avoid triggering -Wunused-parameter.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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An existing test of hashmap API has been rewritten with the
unit-test framework.
* gt/unit-test-hashmap:
t: port helper/test-hashmap.c to unit-tests/t-hashmap.c
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Unit test simplification.
* rs/t-example-simplify:
t-example-decorate: remove test messages
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A test in reftable library has been rewritten using the unit test
framework.
* cp/unit-test-reftable-tree:
t-reftable-tree: improve the test for infix_walk()
t-reftable-tree: add test for non-existent key
t-reftable-tree: split test_tree() into two sub-test functions
t: move reftable/tree_test.c to the unit testing framework
reftable: remove unnecessary curly braces in reftable/tree.c
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The tests for "pq" part of reftable library got rewritten to use
the unit test framework.
* cp/unit-test-reftable-pq:
t-reftable-pq: add tests for merged_iter_pqueue_top()
t-reftable-pq: add test for index based comparison
t-reftable-pq: make merged_iter_pqueue_check() callable by reference
t-reftable-pq: make merged_iter_pqueue_check() static
t: move reftable/pq_test.c to the unit testing framework
reftable: change the type of array indices to 'size_t' in reftable/pq.c
reftable: remove unnecessary curly braces in reftable/pq.c
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When using reftable_writer_add_ref() to add a ref record to a
reftable writer, The update_index of the ref record must be within
the limits set by reftable_writer_set_limits(), or REFTABLE_API_ERROR
is returned. This scenario is currently left untested. Add a test
case for the same.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Chandra Pratap <chandrapratap3519@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Using a for loop with an empty conditional statement is more concise
and easier to read than an infinite 'while' loop in instances
where we need a loop variable. Hence, replace such instances of a
'while' loop with the equivalent 'for' loop.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Chandra Pratap <chandrapratap3519@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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free_names() as defined by reftable/basics.{c,h} frees a NULL
terminated array of malloced strings along with the array itself.
Use this function instead of a for loop to free such an array.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Chandra Pratap <chandrapratap3519@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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reftable/readwrite_test.c exercises the functions defined in
reftable/reader.{c,h} and reftable/writer.{c,h}. Migrate
reftable/readwrite_test.c to the unit testing framework. Migration
involves refactoring the tests to use the unit testing framework
instead of reftable's test framework and renaming the tests to
align with unit-tests' naming conventions.
Since some tests in reftable/readwrite_test.c use the functions
set_test_hash(), noop_flush() and strbuf_add_void() defined in
reftable/test_framework.{c,h} but these files are not #included
in the ported unit test, copy these functions in the new test file.
While at it, ensure structs are 0-initialized with '= { 0 }'
instead of '= { NULL }'.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Chandra Pratap <chandrapratap3519@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Typofix.
* ks/unit-test-comment-typofix:
unit-tests/test-lib: fix typo in check_pointer_eq() description
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helper/test-hashmap.c along with t0011-hashmap.sh test the hashmap.h
library. Migrate them to the unit testing framework for better
debugging, runtime performance and concise code.
Along with the migration, make 'add' tests from the shell script order
agnostic in unit tests, since they iterate over entries with the same
keys and we do not guarantee the order. This was already done for the
'iterate' tests[1].
The helper/test-hashmap.c is still not removed because it contains a
performance test meant to be run by the user directly (not used in
t/perf). And it makes sense for such a utility to be a helper.
[1]: e1e7a77141 (t: sort output of hashmap iteration, 2019-07-30)
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Mentored-by: Kaartic Sivaraam <kaartic.sivaraam@gmail.com>
Helped-by: Josh Steadmon <steadmon@google.com>
Helped-by: Junio C Hamano <gitster@pobox.com>
Helped-by: Phillip Wood <phillip.wood123@gmail.com>
Signed-off-by: Ghanshyam Thakkar <shyamthakkar001@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the current testing setup for infix_walk(), the following
properties of an infix traversal of a tree remain untested:
- every node of the tree must be visited
- every node must be visited exactly once
In fact, only the property 'traversal in increasing order' is tested.
Modify test_infix_walk() to check for all the properties above.
This can be achieved by storing the nodes' keys linearly, in a nullified
buffer, as we visit them and then checking the input keys against this
buffer in increasing order. By checking that the element just after
the last input key is 'NULL' in the output buffer, we ensure that
every node is traversed exactly once.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Chandra Pratap <chandrapratap3519@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the current testing setup for tree_search(), the case for
non-existent key is not exercised. Improve this by adding a
test-case for the same.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Chandra Pratap <chandrapratap3519@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the current testing setup, tests for both tree_search() and
infix_walk() defined by reftable/tree.{c, h} are performed by
a single test function, test_tree(). Split tree_test() into
test_tree_search() and test_infix_walk() responsible for
independently testing tree_search() and infix_walk() respectively.
This improves the overall readability of the test file as well as
simplifies debugging.
Note that the last parameter in the tree_search() functiom is
'int insert' which when set, inserts the key if it is not found
in the tree. Otherwise, the function returns NULL for such cases.
While at it, use 'func' to pass function pointers and not '&func'.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Chandra Pratap <chandrapratap3519@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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reftable/tree_test.c exercises the functions defined in
reftable/tree.{c, h}. Migrate reftable/tree_test.c to the unit
testing framework. Migration involves refactoring the tests to use
the unit testing framework instead of reftable's test framework and
renaming the tests to align with unit-tests' standards.
Also add a comment to help understand the test routine.
Note that this commit mostly moves the test from reftable/ to
t/unit-tests/ and most of the refactoring is performed by the
trailing commits.
Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Chandra Pratap <chandrapratap3519@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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