Merge branch 'ps/clar-unit-test'

Import clar unit tests framework libgit2 folks invented for our
use.

* ps/clar-unit-test:
  Makefile: rename clar-related variables to avoid confusion
  clar: add CMake support
  t/unit-tests: convert ctype tests to use clar
  t/unit-tests: convert strvec tests to use clar
  t/unit-tests: implement test driver
  Makefile: wire up the clar unit testing framework
  Makefile: do not use sparse on third-party sources
  Makefile: make hdr-check depend on generated headers
  Makefile: fix sparse dependency on GENERATED_H
  clar: stop including `shellapi.h` unnecessarily
  clar(win32): avoid compile error due to unused `fs_copy()`
  clar: avoid compile error with mingw-w64
  t/clar: fix compatibility with NonStop
  t: import the clar unit testing framework
  t: do not pass GIT_TEST_OPTS to unit tests with prove

1 files changed, 47 insertions, 0 deletions

diff --git a/t/unit-tests/unit-test.c b/t/unit-tests/unit-test.c
new file mode 100644
index 0000000000..a474cdcfd3
--- /dev/null
+++ b/t/unit-tests/unit-test.c
@@ -0,0 +1,47 @@
+#include "unit-test.h"
+#include "parse-options.h"
+#include "string-list.h"
+#include "strvec.h"
+
+static const char * const unit_test_usage[] = {
+	N_("unit-test [<options>]"),
+	NULL,
+};
+
+int cmd_main(int argc, const char **argv)
+{
+	struct string_list run_args = STRING_LIST_INIT_NODUP;
+	struct string_list exclude_args = STRING_LIST_INIT_NODUP;
+	int immediate = 0;
+	struct option options[] = {
+		OPT_BOOL('i', "immediate", &immediate,
+			 N_("immediately exit upon the first failed test")),
+		OPT_STRING_LIST('r', "run", &run_args, N_("suite[::test]"),
+				N_("run only test suite or individual test <suite[::test]>")),
+		OPT_STRING_LIST('x', "exclude", &exclude_args, N_("suite"),
+				N_("exclude test suite <suite>")),
+		OPT_END(),
+	};
+	struct strvec args = STRVEC_INIT;
+	int ret;
+
+	argc = parse_options(argc, argv, NULL, options,
+			     unit_test_usage, PARSE_OPT_KEEP_ARGV0);
+	if (argc > 1)
+		usagef(_("extra command line parameter '%s'"), argv[0]);
+
+	strvec_push(&args, argv[0]);
+	strvec_push(&args, "-t");
+	if (immediate)
+		strvec_push(&args, "-Q");
+	for (size_t i = 0; i < run_args.nr; i++)
+		strvec_pushf(&args, "-s%s", run_args.items[i].string);
+	for (size_t i = 0; i < exclude_args.nr; i++)
+		strvec_pushf(&args, "-x%s", exclude_args.items[i].string);
+
+	ret = clar_test(args.nr, (char **) args.v);
+
+	string_list_clear(&run_args, 0);
+	strvec_clear(&args);
+	return ret;
+}