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t/: migrate helper/test-oidtree.c to unit-tests/t-oidtree.c

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helper/test-oidtree.c along with t0069-oidtree.sh test the oidtree.h
library, which is a wrapper around crit-bit tree. Migrate them to
the unit testing framework for better debugging and runtime
performance. Along with the migration, add an extra check for
oidtree_each() test, which showcases how multiple expected matches can
be given to check_each() helper.

To achieve this, introduce a new library called 'lib-oid.h'
exclusively for the unit tests to use. It currently mainly includes
utility to generate object_id from an arbitrary hex string
(i.e. '12a' -> '12a0000000000000000000000000000000000000'). This also
handles the hash algo selection based on GIT_TEST_DEFAULT_HASH.
This library will also be helpful when we port other unit tests such
as oid-array, oidset etc.

Helped-by: Junio C Hamano <gitster@pobox.com>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Mentored-by: Kaartic Sivaraam <kaartic.sivaraam@gmail.com>
Signed-off-by: Ghanshyam Thakkar <shyamthakkar001@gmail.com>
[jc: small fixlets squashed in]
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ghanshyam Thakkar
2024-06-08 22:27:09 +05:30
committed by Junio C Hamano
parent 1b76f06508
commit ed54840872
8 changed files with 197 additions and 108 deletions
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8
Makefile
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@@ -811,7 +811,6 @@ TEST_BUILTINS_OBJS += test-mergesort.o
TEST_BUILTINS_OBJS += test-mktemp.o
TEST_BUILTINS_OBJS += test-oid-array.o
TEST_BUILTINS_OBJS += test-oidmap.o
TEST_BUILTINS_OBJS += test-oidtree.o
TEST_BUILTINS_OBJS += test-online-cpus.o
TEST_BUILTINS_OBJS += test-pack-mtimes.o
TEST_BUILTINS_OBJS += test-parse-options.o
@@ -1335,6 +1334,7 @@ THIRD_PARTY_SOURCES += sha1dc/%
UNIT_TEST_PROGRAMS += t-ctype
UNIT_TEST_PROGRAMS += t-mem-pool
UNIT_TEST_PROGRAMS += t-oidtree
UNIT_TEST_PROGRAMS += t-prio-queue
UNIT_TEST_PROGRAMS += t-strbuf
UNIT_TEST_PROGRAMS += t-strcmp-offset
@@ -1343,6 +1343,7 @@ UNIT_TEST_PROGRAMS += t-trailer
UNIT_TEST_PROGS = $(patsubst %,$(UNIT_TEST_BIN)/%$X,$(UNIT_TEST_PROGRAMS))
UNIT_TEST_OBJS = $(patsubst %,$(UNIT_TEST_DIR)/%.o,$(UNIT_TEST_PROGRAMS))
UNIT_TEST_OBJS += $(UNIT_TEST_DIR)/test-lib.o
UNIT_TEST_OBJS += $(UNIT_TEST_DIR)/lib-oid.o
# xdiff and reftable libs may in turn depend on what is in libgit.a
GITLIBS = common-main.o $(LIB_FILE) $(XDIFF_LIB) $(REFTABLE_LIB) $(LIB_FILE)
@@ -3883,7 +3884,10 @@ $(FUZZ_PROGRAMS): %: %.o oss-fuzz/dummy-cmd-main.o $(GITLIBS) GIT-LDFLAGS
-Wl,--allow-multiple-definition \
$(filter %.o,$^) $(filter %.a,$^) $(LIBS) $(LIB_FUZZING_ENGINE)
$(UNIT_TEST_PROGS): $(UNIT_TEST_BIN)/%$X: $(UNIT_TEST_DIR)/%.o $(UNIT_TEST_DIR)/test-lib.o $(GITLIBS) GIT-LDFLAGS
$(UNIT_TEST_PROGS): $(UNIT_TEST_BIN)/%$X: $(UNIT_TEST_DIR)/%.o \
$(UNIT_TEST_DIR)/test-lib.o \
$(UNIT_TEST_DIR)/lib-oid.o \
$(GITLIBS) GIT-LDFLAGS
$(call mkdir_p_parent_template)
$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) \
$(filter %.o,$^) $(filter %.a,$^) $(LIBS)