Re: [PATCH v6 00/13] Introduce clar testing framework

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On 20/08/2024 15:02, Patrick Steinhardt wrote:
Hi,

this is another version of my patch series that introduces the clar
testing framework for our C unit tests.

I've left some comments on the code, most of them are points I made in the last round that received no response. My main concern is that the assertions offered by clar are not as convinent as the check_* macros.

What's the plan for converting our current tests if this gets merged? If we were to add wrappers that provide check_int() etc. that would greatly simplify the conversion. I think it would offer a more ergonomic api for writing new tests than the verbose and non-typesafe cl_assert_equal_i() and friends.

Best Wishes

Phillip

Changes compared to v5:

   - Rebased on top of `master` to fix some merge conflicts. This series
     is now built on bb9c16bd4f (The sixth batch, 2024-08-19).

   - Introduce `cl_failf()` as a nice way to print formatted error
     messages.

   - NULL-terminate the argv array again and move the changes into the
     correct patch.

   - Most of the changes were done by Dscho to port clar over to Windows,
     including CMake build instructions to make this usable with MSVC. I
     plan to upstream these changes when this series lands in Git.

   - Introduce CMake support, also by Dscho.

Thanks for all the feedback, and thanks to Dscho for helping out with
porting this to Windows.

GitHub pipeline: https://github.com/git/git/actions/runs/10472008177/
GitLab pipeline: https://gitlab.com/gitlab-org/git/-/pipelines/1419946971

Patrick

Johannes Schindelin (4):
   clar: avoid compile error with mingw-w64
   clar(win32): avoid compile error due to unused `fs_copy()`
   clar: stop including `shellapi.h` unnecessarily
   clar: add CMake support

Patrick Steinhardt (9):
   t: do not pass GIT_TEST_OPTS to unit tests with prove
   t: import the clar unit testing framework
   t/clar: fix compatibility with NonStop
   Makefile: fix sparse dependency on GENERATED_H
   Makefile: make hdr-check depend on generated headers
   Makefile: do not use sparse on third-party sources
   Makefile: wire up the clar unit testing framework
   t/unit-tests: convert strvec tests to use clar
   t/unit-tests: convert ctype tests to use clar

  .gitignore                                 |   1 +
  Documentation/technical/unit-tests.txt     |   2 +
  Makefile                                   |  53 +-
  contrib/buildsystems/CMakeLists.txt        |  53 ++
  t/Makefile                                 |   4 +-
  t/run-test.sh                              |   2 +-
  t/unit-tests/.gitignore                    |   2 +
  t/unit-tests/clar-generate.awk             |  50 ++
  t/unit-tests/clar/.github/workflows/ci.yml |  23 +
  t/unit-tests/clar/COPYING                  |  15 +
  t/unit-tests/clar/README.md                | 329 ++++++++
  t/unit-tests/clar/clar.c                   | 842 +++++++++++++++++++++
  t/unit-tests/clar/clar.h                   | 173 +++++
  t/unit-tests/clar/clar/fixtures.h          |  50 ++
  t/unit-tests/clar/clar/fs.h                | 524 +++++++++++++
  t/unit-tests/clar/clar/print.h             | 211 ++++++
  t/unit-tests/clar/clar/sandbox.h           | 159 ++++
  t/unit-tests/clar/clar/summary.h           | 143 ++++
  t/unit-tests/clar/generate.py              | 266 +++++++
  t/unit-tests/clar/test/.gitignore          |   4 +
  t/unit-tests/clar/test/Makefile            |  39 +
  t/unit-tests/clar/test/clar_test.h         |  16 +
  t/unit-tests/clar/test/main.c              |  40 +
  t/unit-tests/clar/test/main.c.sample       |  27 +
  t/unit-tests/clar/test/resources/test/file |   1 +
  t/unit-tests/clar/test/sample.c            |  84 ++
  t/unit-tests/{t-ctype.c => ctype.c}        |  70 +-
  t/unit-tests/strvec.c                      | 222 ++++++
  t/unit-tests/t-strvec.c                    | 211 ------
  t/unit-tests/unit-test.c                   |  18 +
  t/unit-tests/unit-test.h                   |  10 +
  31 files changed, 3409 insertions(+), 235 deletions(-)
  create mode 100644 t/unit-tests/clar-generate.awk
  create mode 100644 t/unit-tests/clar/.github/workflows/ci.yml
  create mode 100644 t/unit-tests/clar/COPYING
  create mode 100644 t/unit-tests/clar/README.md
  create mode 100644 t/unit-tests/clar/clar.c
  create mode 100644 t/unit-tests/clar/clar.h
  create mode 100644 t/unit-tests/clar/clar/fixtures.h
  create mode 100644 t/unit-tests/clar/clar/fs.h
  create mode 100644 t/unit-tests/clar/clar/print.h
  create mode 100644 t/unit-tests/clar/clar/sandbox.h
  create mode 100644 t/unit-tests/clar/clar/summary.h
  create mode 100755 t/unit-tests/clar/generate.py
  create mode 100644 t/unit-tests/clar/test/.gitignore
  create mode 100644 t/unit-tests/clar/test/Makefile
  create mode 100644 t/unit-tests/clar/test/clar_test.h
  create mode 100644 t/unit-tests/clar/test/main.c
  create mode 100644 t/unit-tests/clar/test/main.c.sample
  create mode 100644 t/unit-tests/clar/test/resources/test/file
  create mode 100644 t/unit-tests/clar/test/sample.c
  rename t/unit-tests/{t-ctype.c => ctype.c} (70%)
  create mode 100644 t/unit-tests/strvec.c
  delete mode 100644 t/unit-tests/t-strvec.c
  create mode 100644 t/unit-tests/unit-test.c
  create mode 100644 t/unit-tests/unit-test.h

Range-diff against v5:
  1:  832dc0496fb =  1:  e48a6461137 t: do not pass GIT_TEST_OPTS to unit tests with prove
  2:  36906079330 =  2:  1710e9f9ff7 t: import the clar unit testing framework
  3:  db53673294e =  3:  5c21aa87aa2 t/clar: fix compatibility with NonStop
  -:  ----------- >  4:  06d2bce0d82 clar: avoid compile error with mingw-w64
  -:  ----------- >  5:  f88b3421a09 clar(win32): avoid compile error due to unused `fs_copy()`
  -:  ----------- >  6:  5fb4c55be33 clar: stop including `shellapi.h` unnecessarily
  4:  b6199c88dd7 =  7:  e0dcbd5ca83 Makefile: fix sparse dependency on GENERATED_H
  5:  06364b2b722 =  8:  77a03f8df70 Makefile: make hdr-check depend on generated headers
  6:  88ea94ce16c =  9:  c91dd7327e3 Makefile: do not use sparse on third-party sources
  7:  05bcb5bef6c = 10:  115c15aa9ae Makefile: wire up the clar unit testing framework
  8:  8f56b4d6264 ! 11:  b3b8df04872 t/unit-tests: convert strvec tests to use clar
     @@ Makefile: THIRD_PARTY_SOURCES += sha1dc/%
       UNIT_TESTS_PROG = $(UNIT_TEST_BIN)/unit-tests$(X)
       UNIT_TESTS_OBJS = $(patsubst %,$(UNIT_TEST_DIR)/%.o,$(UNIT_TESTS_SUITES))
       UNIT_TESTS_OBJS += $(UNIT_TEST_DIR)/clar/clar.o
     -@@ Makefile: UNIT_TEST_PROGRAMS += t-reftable-merged
     - UNIT_TEST_PROGRAMS += t-reftable-record
     +@@ Makefile: UNIT_TEST_PROGRAMS += t-reftable-record
     + UNIT_TEST_PROGRAMS += t-reftable-tree
       UNIT_TEST_PROGRAMS += t-strbuf
       UNIT_TEST_PROGRAMS += t-strcmp-offset
      -UNIT_TEST_PROGRAMS += t-strvec
     @@ Makefile: UNIT_TEST_PROGRAMS += t-reftable-merged
       UNIT_TEST_PROGS = $(patsubst %,$(UNIT_TEST_BIN)/%$X,$(UNIT_TEST_PROGRAMS))
       UNIT_TEST_OBJS = $(patsubst %,$(UNIT_TEST_DIR)/%.o,$(UNIT_TEST_PROGRAMS))
- ## t/unit-tests/t-strvec.c => t/unit-tests/strvec.c ##
     + ## t/unit-tests/strvec.c (new) ##
      @@
     --#include "test-lib.h"
      +#include "unit-test.h"
     - #include "strbuf.h"
     - #include "strvec.h"
     -
     - #define check_strvec(vec, ...) \
     - 	do { \
     - 		const char *expect[] = { __VA_ARGS__ }; \
     --		if (check_uint(ARRAY_SIZE(expect), >, 0) && \
     --		    check_pointer_eq(expect[ARRAY_SIZE(expect) - 1], NULL) && \
     --		    check_uint((vec)->nr, ==, ARRAY_SIZE(expect) - 1) && \
     --		    check_uint((vec)->nr, <=, (vec)->alloc)) { \
     --			for (size_t i = 0; i < ARRAY_SIZE(expect); i++) { \
     --				if (!check_str((vec)->v[i], expect[i])) { \
     --					test_msg("      i: %"PRIuMAX, \
     --						 (uintmax_t)i); \
     --					break; \
     --				} \
     --			} \
     --		} \
     ++#include "strbuf.h"
     ++#include "strvec.h"
     ++
     ++#define check_strvec(vec, ...) \
     ++	do { \
     ++		const char *expect[] = { __VA_ARGS__ }; \
      +		cl_assert(ARRAY_SIZE(expect) > 0); \
      +		cl_assert_equal_p(expect[ARRAY_SIZE(expect) - 1], NULL); \
      +		cl_assert_equal_i((vec)->nr, ARRAY_SIZE(expect) - 1); \
      +		cl_assert((vec)->nr <= (vec)->alloc); \
      +		for (size_t i = 0; i < ARRAY_SIZE(expect); i++) \
      +			cl_assert_equal_s((vec)->v[i], expect[i]); \
     - 	} while (0)
     -
     --static void t_static_init(void)
     ++	} while (0)
     ++
      +void test_strvec__init(void)
     - {
     - 	struct strvec vec = STRVEC_INIT;
     --	check_pointer_eq(vec.v, empty_strvec);
     --	check_uint(vec.nr, ==, 0);
     --	check_uint(vec.alloc, ==, 0);
     ++{
     ++	struct strvec vec = STRVEC_INIT;
      +	cl_assert_equal_p(vec.v, empty_strvec);
      +	cl_assert_equal_i(vec.nr, 0);
      +	cl_assert_equal_i(vec.alloc, 0);
     - }
     -
     --static void t_dynamic_init(void)
     ++}
     ++
      +void test_strvec__dynamic_init(void)
     - {
     - 	struct strvec vec;
     - 	strvec_init(&vec);
     --	check_pointer_eq(vec.v, empty_strvec);
     --	check_uint(vec.nr, ==, 0);
     --	check_uint(vec.alloc, ==, 0);
     ++{
     ++	struct strvec vec;
     ++	strvec_init(&vec);
      +	cl_assert_equal_p(vec.v, empty_strvec);
      +	cl_assert_equal_i(vec.nr, 0);
      +	cl_assert_equal_i(vec.alloc, 0);
     - }
     -
     --static void t_clear(void)
     ++}
     ++
      +void test_strvec__clear(void)
     - {
     - 	struct strvec vec = STRVEC_INIT;
     - 	strvec_push(&vec, "foo");
     - 	strvec_clear(&vec);
     --	check_pointer_eq(vec.v, empty_strvec);
     --	check_uint(vec.nr, ==, 0);
     --	check_uint(vec.alloc, ==, 0);
     ++{
     ++	struct strvec vec = STRVEC_INIT;
     ++	strvec_push(&vec, "foo");
     ++	strvec_clear(&vec);
      +	cl_assert_equal_p(vec.v, empty_strvec);
      +	cl_assert_equal_i(vec.nr, 0);
      +	cl_assert_equal_i(vec.alloc, 0);
     - }
     -
     --static void t_push(void)
     ++}
     ++
      +void test_strvec__push(void)
     - {
     - 	struct strvec vec = STRVEC_INIT;
     -
     -@@ t/unit-tests/strvec.c: static void t_push(void)
     - 	strvec_clear(&vec);
     - }
     -
     --static void t_pushf(void)
     ++{
     ++	struct strvec vec = STRVEC_INIT;
     ++
     ++	strvec_push(&vec, "foo");
     ++	check_strvec(&vec, "foo", NULL);
     ++
     ++	strvec_push(&vec, "bar");
     ++	check_strvec(&vec, "foo", "bar", NULL);
     ++
     ++	strvec_clear(&vec);
     ++}
     ++
      +void test_strvec__pushf(void)
     - {
     - 	struct strvec vec = STRVEC_INIT;
     - 	strvec_pushf(&vec, "foo: %d", 1);
     -@@ t/unit-tests/strvec.c: static void t_pushf(void)
     - 	strvec_clear(&vec);
     - }
     -
     --static void t_pushl(void)
     ++{
     ++	struct strvec vec = STRVEC_INIT;
     ++	strvec_pushf(&vec, "foo: %d", 1);
     ++	check_strvec(&vec, "foo: 1", NULL);
     ++	strvec_clear(&vec);
     ++}
     ++
      +void test_strvec__pushl(void)
     - {
     - 	struct strvec vec = STRVEC_INIT;
     - 	strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     -@@ t/unit-tests/strvec.c: static void t_pushl(void)
     - 	strvec_clear(&vec);
     - }
     -
     --static void t_pushv(void)
     ++{
     ++	struct strvec vec = STRVEC_INIT;
     ++	strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     ++	check_strvec(&vec, "foo", "bar", "baz", NULL);
     ++	strvec_clear(&vec);
     ++}
     ++
      +void test_strvec__pushv(void)
     - {
     - 	const char *strings[] = {
     - 		"foo", "bar", "baz", NULL,
     -@@ t/unit-tests/strvec.c: static void t_pushv(void)
     - 	strvec_clear(&vec);
     - }
     -
     --static void t_replace_at_head(void)
     ++{
     ++	const char *strings[] = {
     ++		"foo", "bar", "baz", NULL,
     ++	};
     ++	struct strvec vec = STRVEC_INIT;
     ++
     ++	strvec_pushv(&vec, strings);
     ++	check_strvec(&vec, "foo", "bar", "baz", NULL);
     ++
     ++	strvec_clear(&vec);
     ++}
     ++
      +void test_strvec__replace_at_head(void)
     - {
     - 	struct strvec vec = STRVEC_INIT;
     - 	strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     -@@ t/unit-tests/strvec.c: static void t_replace_at_head(void)
     - 	strvec_clear(&vec);
     - }
     -
     --static void t_replace_at_tail(void)
     ++{
     ++	struct strvec vec = STRVEC_INIT;
     ++	strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     ++	strvec_replace(&vec, 0, "replaced");
     ++	check_strvec(&vec, "replaced", "bar", "baz", NULL);
     ++	strvec_clear(&vec);
     ++}
     ++
      +void test_strvec__replace_at_tail(void)
     - {
     - 	struct strvec vec = STRVEC_INIT;
     - 	strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     -@@ t/unit-tests/strvec.c: static void t_replace_at_tail(void)
     - 	strvec_clear(&vec);
     - }
     -
     --static void t_replace_in_between(void)
     ++{
     ++	struct strvec vec = STRVEC_INIT;
     ++	strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     ++	strvec_replace(&vec, 2, "replaced");
     ++	check_strvec(&vec, "foo", "bar", "replaced", NULL);
     ++	strvec_clear(&vec);
     ++}
     ++
      +void test_strvec__replace_in_between(void)
     - {
     - 	struct strvec vec = STRVEC_INIT;
     - 	strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     -@@ t/unit-tests/strvec.c: static void t_replace_in_between(void)
     - 	strvec_clear(&vec);
     - }
     -
     --static void t_replace_with_substring(void)
     ++{
     ++	struct strvec vec = STRVEC_INIT;
     ++	strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     ++	strvec_replace(&vec, 1, "replaced");
     ++	check_strvec(&vec, "foo", "replaced", "baz", NULL);
     ++	strvec_clear(&vec);
     ++}
     ++
      +void test_strvec__replace_with_substring(void)
     - {
     - 	struct strvec vec = STRVEC_INIT;
     - 	strvec_pushl(&vec, "foo", NULL);
     -@@ t/unit-tests/strvec.c: static void t_replace_with_substring(void)
     - 	strvec_clear(&vec);
     - }
     -
     --static void t_remove_at_head(void)
     ++{
     ++	struct strvec vec = STRVEC_INIT;
     ++	strvec_pushl(&vec, "foo", NULL);
     ++	strvec_replace(&vec, 0, vec.v[0] + 1);
     ++	check_strvec(&vec, "oo", NULL);
     ++	strvec_clear(&vec);
     ++}
     ++
      +void test_strvec__remove_at_head(void)
     - {
     - 	struct strvec vec = STRVEC_INIT;
     - 	strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     -@@ t/unit-tests/strvec.c: static void t_remove_at_head(void)
     - 	strvec_clear(&vec);
     - }
     -
     --static void t_remove_at_tail(void)
     ++{
     ++	struct strvec vec = STRVEC_INIT;
     ++	strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     ++	strvec_remove(&vec, 0);
     ++	check_strvec(&vec, "bar", "baz", NULL);
     ++	strvec_clear(&vec);
     ++}
     ++
      +void test_strvec__remove_at_tail(void)
     - {
     - 	struct strvec vec = STRVEC_INIT;
     - 	strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     -@@ t/unit-tests/strvec.c: static void t_remove_at_tail(void)
     - 	strvec_clear(&vec);
     - }
     -
     --static void t_remove_in_between(void)
     ++{
     ++	struct strvec vec = STRVEC_INIT;
     ++	strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     ++	strvec_remove(&vec, 2);
     ++	check_strvec(&vec, "foo", "bar", NULL);
     ++	strvec_clear(&vec);
     ++}
     ++
      +void test_strvec__remove_in_between(void)
     - {
     - 	struct strvec vec = STRVEC_INIT;
     - 	strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     -@@ t/unit-tests/strvec.c: static void t_remove_in_between(void)
     - 	strvec_clear(&vec);
     - }
     -
     --static void t_pop_empty_array(void)
     ++{
     ++	struct strvec vec = STRVEC_INIT;
     ++	strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     ++	strvec_remove(&vec, 1);
     ++	check_strvec(&vec, "foo", "baz", NULL);
     ++	strvec_clear(&vec);
     ++}
     ++
      +void test_strvec__pop_empty_array(void)
     - {
     - 	struct strvec vec = STRVEC_INIT;
     - 	strvec_pop(&vec);
     -@@ t/unit-tests/strvec.c: static void t_pop_empty_array(void)
     - 	strvec_clear(&vec);
     - }
     -
     --static void t_pop_non_empty_array(void)
     ++{
     ++	struct strvec vec = STRVEC_INIT;
     ++	strvec_pop(&vec);
     ++	check_strvec(&vec, NULL);
     ++	strvec_clear(&vec);
     ++}
     ++
      +void test_strvec__pop_non_empty_array(void)
     - {
     - 	struct strvec vec = STRVEC_INIT;
     - 	strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     -@@ t/unit-tests/strvec.c: static void t_pop_non_empty_array(void)
     - 	strvec_clear(&vec);
     - }
     -
     --static void t_split_empty_string(void)
     ++{
     ++	struct strvec vec = STRVEC_INIT;
     ++	strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     ++	strvec_pop(&vec);
     ++	check_strvec(&vec, "foo", "bar", NULL);
     ++	strvec_clear(&vec);
     ++}
     ++
      +void test_strvec__split_empty_string(void)
     - {
     - 	struct strvec vec = STRVEC_INIT;
     - 	strvec_split(&vec, "");
     -@@ t/unit-tests/strvec.c: static void t_split_empty_string(void)
     - 	strvec_clear(&vec);
     - }
     -
     --static void t_split_single_item(void)
     ++{
     ++	struct strvec vec = STRVEC_INIT;
     ++	strvec_split(&vec, "");
     ++	check_strvec(&vec, NULL);
     ++	strvec_clear(&vec);
     ++}
     ++
      +void test_strvec__split_single_item(void)
     - {
     - 	struct strvec vec = STRVEC_INIT;
     - 	strvec_split(&vec, "foo");
     -@@ t/unit-tests/strvec.c: static void t_split_single_item(void)
     - 	strvec_clear(&vec);
     - }
     -
     --static void t_split_multiple_items(void)
     ++{
     ++	struct strvec vec = STRVEC_INIT;
     ++	strvec_split(&vec, "foo");
     ++	check_strvec(&vec, "foo", NULL);
     ++	strvec_clear(&vec);
     ++}
     ++
      +void test_strvec__split_multiple_items(void)
     - {
     - 	struct strvec vec = STRVEC_INIT;
     - 	strvec_split(&vec, "foo bar baz");
     -@@ t/unit-tests/strvec.c: static void t_split_multiple_items(void)
     - 	strvec_clear(&vec);
     - }
     -
     --static void t_split_whitespace_only(void)
     ++{
     ++	struct strvec vec = STRVEC_INIT;
     ++	strvec_split(&vec, "foo bar baz");
     ++	check_strvec(&vec, "foo", "bar", "baz", NULL);
     ++	strvec_clear(&vec);
     ++}
     ++
      +void test_strvec__split_whitespace_only(void)
     - {
     - 	struct strvec vec = STRVEC_INIT;
     - 	strvec_split(&vec, " \t\n");
     -@@ t/unit-tests/strvec.c: static void t_split_whitespace_only(void)
     - 	strvec_clear(&vec);
     - }
     -
     --static void t_split_multiple_consecutive_whitespaces(void)
     ++{
     ++	struct strvec vec = STRVEC_INIT;
     ++	strvec_split(&vec, " \t\n");
     ++	check_strvec(&vec, NULL);
     ++	strvec_clear(&vec);
     ++}
     ++
      +void test_strvec__split_multiple_consecutive_whitespaces(void)
     - {
     - 	struct strvec vec = STRVEC_INIT;
     - 	strvec_split(&vec, "foo\n\t bar");
     -@@ t/unit-tests/strvec.c: static void t_split_multiple_consecutive_whitespaces(void)
     - 	strvec_clear(&vec);
     - }
     -
     --static void t_detach(void)
     ++{
     ++	struct strvec vec = STRVEC_INIT;
     ++	strvec_split(&vec, "foo\n\t bar");
     ++	check_strvec(&vec, "foo", "bar", NULL);
     ++	strvec_clear(&vec);
     ++}
     ++
      +void test_strvec__detach(void)
     - {
     - 	struct strvec vec = STRVEC_INIT;
     - 	const char **detached;
     -@@ t/unit-tests/strvec.c: static void t_detach(void)
     - 	strvec_push(&vec, "foo");
     -
     - 	detached = strvec_detach(&vec);
     --	check_str(detached[0], "foo");
     --	check_pointer_eq(detached[1], NULL);
     ++{
     ++	struct strvec vec = STRVEC_INIT;
     ++	const char **detached;
     ++
     ++	strvec_push(&vec, "foo");
     ++
     ++	detached = strvec_detach(&vec);
      +	cl_assert_equal_s(detached[0], "foo");
      +	cl_assert_equal_p(detached[1], NULL);
     -
     --	check_pointer_eq(vec.v, empty_strvec);
     --	check_uint(vec.nr, ==, 0);
     --	check_uint(vec.alloc, ==, 0);
     ++
      +	cl_assert_equal_p(vec.v, empty_strvec);
      +	cl_assert_equal_i(vec.nr, 0);
      +	cl_assert_equal_i(vec.alloc, 0);
     -
     - 	free((char *) detached[0]);
     - 	free(detached);
     - }
     ++
     ++	free((char *) detached[0]);
     ++	free(detached);
     ++}
     +
     + ## t/unit-tests/t-strvec.c (deleted) ##
     +@@
     +-#include "test-lib.h"
     +-#include "strbuf.h"
     +-#include "strvec.h"
     +-
     +-#define check_strvec(vec, ...) \
     +-	do { \
     +-		const char *expect[] = { __VA_ARGS__ }; \
     +-		if (check_uint(ARRAY_SIZE(expect), >, 0) && \
     +-		    check_pointer_eq(expect[ARRAY_SIZE(expect) - 1], NULL) && \
     +-		    check_uint((vec)->nr, ==, ARRAY_SIZE(expect) - 1) && \
     +-		    check_uint((vec)->nr, <=, (vec)->alloc)) { \
     +-			for (size_t i = 0; i < ARRAY_SIZE(expect); i++) { \
     +-				if (!check_str((vec)->v[i], expect[i])) { \
     +-					test_msg("      i: %"PRIuMAX, \
     +-						 (uintmax_t)i); \
     +-					break; \
     +-				} \
     +-			} \
     +-		} \
     +-	} while (0)
      -
      -int cmd_main(int argc, const char **argv)
      -{
     --	TEST(t_static_init(), "static initialization");
     --	TEST(t_dynamic_init(), "dynamic initialization");
     --	TEST(t_clear(), "clear");
     --	TEST(t_push(), "push");
     --	TEST(t_pushf(), "pushf");
     --	TEST(t_pushl(), "pushl");
     --	TEST(t_pushv(), "pushv");
     --	TEST(t_replace_at_head(), "replace at head");
     --	TEST(t_replace_in_between(), "replace in between");
     --	TEST(t_replace_at_tail(), "replace at tail");
     --	TEST(t_replace_with_substring(), "replace with substring");
     --	TEST(t_remove_at_head(), "remove at head");
     --	TEST(t_remove_in_between(), "remove in between");
     --	TEST(t_remove_at_tail(), "remove at tail");
     --	TEST(t_pop_empty_array(), "pop with empty array");
     --	TEST(t_pop_non_empty_array(), "pop with non-empty array");
     --	TEST(t_split_empty_string(), "split empty string");
     --	TEST(t_split_single_item(), "split single item");
     --	TEST(t_split_multiple_items(), "split multiple items");
     --	TEST(t_split_whitespace_only(), "split whitespace only");
     --	TEST(t_split_multiple_consecutive_whitespaces(), "split multiple consecutive whitespaces");
     --	TEST(t_detach(), "detach");
     +-	if_test ("static initialization") {
     +-		struct strvec vec = STRVEC_INIT;
     +-		check_pointer_eq(vec.v, empty_strvec);
     +-		check_uint(vec.nr, ==, 0);
     +-		check_uint(vec.alloc, ==, 0);
     +-	}
     +-
     +-	if_test ("dynamic initialization") {
     +-		struct strvec vec;
     +-		strvec_init(&vec);
     +-		check_pointer_eq(vec.v, empty_strvec);
     +-		check_uint(vec.nr, ==, 0);
     +-		check_uint(vec.alloc, ==, 0);
     +-	}
     +-
     +-	if_test ("clear") {
     +-		struct strvec vec = STRVEC_INIT;
     +-		strvec_push(&vec, "foo");
     +-		strvec_clear(&vec);
     +-		check_pointer_eq(vec.v, empty_strvec);
     +-		check_uint(vec.nr, ==, 0);
     +-		check_uint(vec.alloc, ==, 0);
     +-	}
     +-
     +-	if_test ("push") {
     +-		struct strvec vec = STRVEC_INIT;
     +-
     +-		strvec_push(&vec, "foo");
     +-		check_strvec(&vec, "foo", NULL);
     +-
     +-		strvec_push(&vec, "bar");
     +-		check_strvec(&vec, "foo", "bar", NULL);
     +-
     +-		strvec_clear(&vec);
     +-	}
     +-
     +-	if_test ("pushf") {
     +-		struct strvec vec = STRVEC_INIT;
     +-		strvec_pushf(&vec, "foo: %d", 1);
     +-		check_strvec(&vec, "foo: 1", NULL);
     +-		strvec_clear(&vec);
     +-	}
     +-
     +-	if_test ("pushl") {
     +-		struct strvec vec = STRVEC_INIT;
     +-		strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     +-		check_strvec(&vec, "foo", "bar", "baz", NULL);
     +-		strvec_clear(&vec);
     +-	}
     +-
     +-	if_test ("pushv") {
     +-		const char *strings[] = {
     +-			"foo", "bar", "baz", NULL,
     +-		};
     +-		struct strvec vec = STRVEC_INIT;
     +-
     +-		strvec_pushv(&vec, strings);
     +-		check_strvec(&vec, "foo", "bar", "baz", NULL);
     +-
     +-		strvec_clear(&vec);
     +-	}
     +-
     +-	if_test ("replace at head") {
     +-		struct strvec vec = STRVEC_INIT;
     +-		strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     +-		strvec_replace(&vec, 0, "replaced");
     +-		check_strvec(&vec, "replaced", "bar", "baz", NULL);
     +-		strvec_clear(&vec);
     +-	}
     +-
     +-	if_test ("replace at tail") {
     +-		struct strvec vec = STRVEC_INIT;
     +-		strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     +-		strvec_replace(&vec, 2, "replaced");
     +-		check_strvec(&vec, "foo", "bar", "replaced", NULL);
     +-		strvec_clear(&vec);
     +-	}
     +-
     +-	if_test ("replace in between") {
     +-		struct strvec vec = STRVEC_INIT;
     +-		strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     +-		strvec_replace(&vec, 1, "replaced");
     +-		check_strvec(&vec, "foo", "replaced", "baz", NULL);
     +-		strvec_clear(&vec);
     +-	}
     +-
     +-	if_test ("replace with substring") {
     +-		struct strvec vec = STRVEC_INIT;
     +-		strvec_pushl(&vec, "foo", NULL);
     +-		strvec_replace(&vec, 0, vec.v[0] + 1);
     +-		check_strvec(&vec, "oo", NULL);
     +-		strvec_clear(&vec);
     +-	}
     +-
     +-	if_test ("remove at head") {
     +-		struct strvec vec = STRVEC_INIT;
     +-		strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     +-		strvec_remove(&vec, 0);
     +-		check_strvec(&vec, "bar", "baz", NULL);
     +-		strvec_clear(&vec);
     +-	}
     +-
     +-	if_test ("remove at tail") {
     +-		struct strvec vec = STRVEC_INIT;
     +-		strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     +-		strvec_remove(&vec, 2);
     +-		check_strvec(&vec, "foo", "bar", NULL);
     +-		strvec_clear(&vec);
     +-	}
     +-
     +-	if_test ("remove in between") {
     +-		struct strvec vec = STRVEC_INIT;
     +-		strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     +-		strvec_remove(&vec, 1);
     +-		check_strvec(&vec, "foo", "baz", NULL);
     +-		strvec_clear(&vec);
     +-	}
     +-
     +-	if_test ("pop with empty array") {
     +-		struct strvec vec = STRVEC_INIT;
     +-		strvec_pop(&vec);
     +-		check_strvec(&vec, NULL);
     +-		strvec_clear(&vec);
     +-	}
     +-
     +-	if_test ("pop with non-empty array") {
     +-		struct strvec vec = STRVEC_INIT;
     +-		strvec_pushl(&vec, "foo", "bar", "baz", NULL);
     +-		strvec_pop(&vec);
     +-		check_strvec(&vec, "foo", "bar", NULL);
     +-		strvec_clear(&vec);
     +-	}
     +-
     +-	if_test ("split empty string") {
     +-		struct strvec vec = STRVEC_INIT;
     +-		strvec_split(&vec, "");
     +-		check_strvec(&vec, NULL);
     +-		strvec_clear(&vec);
     +-	}
     +-
     +-	if_test ("split single item") {
     +-		struct strvec vec = STRVEC_INIT;
     +-		strvec_split(&vec, "foo");
     +-		check_strvec(&vec, "foo", NULL);
     +-		strvec_clear(&vec);
     +-	}
     +-
     +-	if_test ("split multiple items") {
     +-		struct strvec vec = STRVEC_INIT;
     +-		strvec_split(&vec, "foo bar baz");
     +-		check_strvec(&vec, "foo", "bar", "baz", NULL);
     +-		strvec_clear(&vec);
     +-	}
     +-
     +-	if_test ("split whitespace only") {
     +-		struct strvec vec = STRVEC_INIT;
     +-		strvec_split(&vec, " \t\n");
     +-		check_strvec(&vec, NULL);
     +-		strvec_clear(&vec);
     +-	}
     +-
     +-	if_test ("split multiple consecutive whitespaces") {
     +-		struct strvec vec = STRVEC_INIT;
     +-		strvec_split(&vec, "foo\n\t bar");
     +-		check_strvec(&vec, "foo", "bar", NULL);
     +-		strvec_clear(&vec);
     +-	}
     +-
     +-	if_test ("detach") {
     +-		struct strvec vec = STRVEC_INIT;
     +-		const char **detached;
     +-
     +-		strvec_push(&vec, "foo");
     +-
     +-		detached = strvec_detach(&vec);
     +-		check_str(detached[0], "foo");
     +-		check_pointer_eq(detached[1], NULL);
     +-
     +-		check_pointer_eq(vec.v, empty_strvec);
     +-		check_uint(vec.nr, ==, 0);
     +-		check_uint(vec.alloc, ==, 0);
     +-
     +-		free((char *) detached[0]);
     +-		free(detached);
     +-	}
     +-
      -	return test_done();
      -}
     -
     - ## t/unit-tests/unit-test.c ##
     -@@ t/unit-tests/unit-test.c: int cmd_main(int argc, const char **argv)
     - 	int ret;
     -
     - 	/* Append the "-t" flag such that the tests generate TAP output. */
     --	ALLOC_ARRAY(argv_copy, argc + 2);
     -+	ALLOC_ARRAY(argv_copy, argc + 1);
     - 	COPY_ARRAY(argv_copy, argv, argc);
     - 	argv_copy[argc++] = "-t";
     --	argv_copy[argc] = NULL;
     -
     - 	ret = clar_test(argc, (char **) argv_copy);
     -
  9:  ca09d19fd51 ! 12:  1ac2e48a7f2 t/unit-tests: convert ctype tests to use clar
     @@ Commit message
          t/unit-tests: convert ctype tests to use clar
Convert the ctype tests to use the new clar unit testing framework.
     +    Introduce a new function `cl_failf()` that allows us to print a
     +    formatted error message, which we can use to point out which of the
     +    characters was classified incorrectly. This results in output like this
     +    on failure:
     +
     +        # start of suite 1: ctype
     +        ok 1 - ctype::isspace
     +        not ok 2 - ctype::isdigit
     +            ---
     +            reason: |
     +              Test failed.
     +              0x61 is classified incorrectly
     +            at:
     +              file: 't/unit-tests/ctype.c'
     +              line: 38
     +              function: 'test_ctype__isdigit'
     +            ---
     +        ok 3 - ctype::isalpha
     +        ok 4 - ctype::isalnum
     +        ok 5 - ctype::is_glob_special
     +        ok 6 - ctype::is_regex_special
     +        ok 7 - ctype::is_pathspec_magic
     +        ok 8 - ctype::isascii
     +        ok 9 - ctype::islower
     +        ok 10 - ctype::isupper
     +        ok 11 - ctype::iscntrl
     +        ok 12 - ctype::ispunct
     +        ok 13 - ctype::isxdigit
     +        ok 14 - ctype::isprint
Signed-off-by: Patrick Steinhardt <ps@xxxxxx> @@ Makefile: THIRD_PARTY_SOURCES += sha1dc/%
      -UNIT_TEST_PROGRAMS += t-ctype
       UNIT_TEST_PROGRAMS += t-example-decorate
       UNIT_TEST_PROGRAMS += t-hash
     - UNIT_TEST_PROGRAMS += t-mem-pool
     + UNIT_TEST_PROGRAMS += t-hashmap
## t/unit-tests/t-ctype.c => t/unit-tests/ctype.c ##
      @@
     @@ t/unit-tests/t-ctype.c => t/unit-tests/ctype.c
       	size_t len = ARRAY_SIZE(string) - 1 + \
       		BUILD_ASSERT_OR_ZERO(ARRAY_SIZE(string) > 0) + \
       		BUILD_ASSERT_OR_ZERO(sizeof(string[0]) == sizeof(char)); \
     --	int skip = test__run_begin(); \
     --	if (!skip) { \
     +-	if_test (#class " works") { \
      -		for (int i = 0; i < 256; i++) { \
      -			if (!check_int(class(i), ==, !!memchr(string, i, len)))\
      -				test_msg("      i: 0x%02x", i); \
      -		} \
      -		check(!class(EOF)); \
      -	} \
     --	test__run_end(!skip, TEST_LOCATION(), #class " works"); \
      +	for (int i = 0; i < 256; i++) \
     -+		cl_assert_equal_i(class(i), !!memchr(string, i, len)); \
     ++		if (class(i) != !!memchr(string, i, len)) \
     ++			cl_failf("0x%02x is classified incorrectly", i); \
      +	cl_assert(!class(EOF)); \
       } while (0)
@@ t/unit-tests/t-ctype.c => t/unit-tests/ctype.c
      +{
      +	TEST_CHAR_CLASS(isprint, LOWER UPPER DIGIT PUNCT " ");
       }
     +
     + ## t/unit-tests/unit-test.h ##
     +@@
     + #include "git-compat-util.h"
     + #include "clar/clar.h"
     + #include "clar-decls.h"
     ++#include "strbuf.h"
     ++
     ++#define cl_failf(fmt, ...) do { \
     ++	char *desc = xstrfmt(fmt, __VA_ARGS__); \
     ++	clar__fail(__FILE__, __func__, __LINE__, "Test failed.", desc, 1); \
     ++	free(desc); \
     ++} while (0)
  -:  ----------- > 13:  131036c398e clar: add CMake support





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