Merge branch 'js/doc-unit-tests-with-cmake'

Update the base topic to work with CMake builds.

* js/doc-unit-tests-with-cmake:
  cmake: handle also unit tests
  cmake: use test names instead of full paths
  cmake: fix typo in variable name
  artifacts-tar: when including `.dll` files, don't forget the unit-tests
  unit-tests: do show relative file paths
  unit-tests: do not mistake `.pdb` files for being executable
  cmake: also build unit tests

Author: gitster

Makefile

@@ -3614,7 +3614,7 @@ rpm::
 .PHONY: rpm
 
 ifneq ($(INCLUDE_DLLS_IN_ARTIFACTS),)
-OTHER_PROGRAMS += $(shell echo *.dll t/helper/*.dll)
+OTHER_PROGRAMS += $(shell echo *.dll t/helper/*.dll t/unit-tests/bin/*.dll)
 endif
 
 artifacts-tar:: $(ALL_COMMANDS_TO_INSTALL) $(SCRIPT_LIB) $(OTHER_PROGRAMS) \

contrib/buildsystems/CMakeLists.txt

@@ -974,6 +974,35 @@ target_link_libraries(test-fake-ssh common-main)
 parse_makefile_for_sources(test-reftable_SOURCES "REFTABLE_TEST_OBJS")
 list(TRANSFORM test-reftable_SOURCES PREPEND "${CMAKE_SOURCE_DIR}/")
 
+#unit-tests
+add_library(unit-test-lib OBJECT ${CMAKE_SOURCE_DIR}/t/unit-tests/test-lib.c)
+
+parse_makefile_for_scripts(unit_test_PROGRAMS "UNIT_TEST_PROGRAMS" "")
+foreach(unit_test ${unit_test_PROGRAMS})
+	add_executable("${unit_test}" "${CMAKE_SOURCE_DIR}/t/unit-tests/${unit_test}.c")
+	target_link_libraries("${unit_test}" unit-test-lib common-main)
+	set_target_properties("${unit_test}"
+		PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/t/unit-tests/bin)
+	if(MSVC)
+		set_target_properties("${unit_test}"
+			PROPERTIES RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_BINARY_DIR}/t/unit-tests/bin)
+		set_target_properties("${unit_test}"
+			PROPERTIES RUNTIME_OUTPUT_DIRECTORY_RELEASE ${CMAKE_BINARY_DIR}/t/unit-tests/bin)
+	endif()
+	list(APPEND PROGRAMS_BUILT "${unit_test}")
+
+	# t-basic intentionally fails tests, to validate the unit-test infrastructure.
+	# Therefore, it should only be run as part of t0080, which verifies that it
+	# fails only in the expected ways.
+	#
+	# All other unit tests should be run.
+	if(NOT ${unit_test} STREQUAL "t-basic")
+		add_test(NAME "t.unit-tests.${unit_test}"
+			COMMAND "./${unit_test}"
+			WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/t/unit-tests/bin)
+	endif()
+endforeach()
+
 #test-tool
 parse_makefile_for_sources(test-tool_SOURCES "TEST_BUILTINS_OBJS")
 
@@ -1093,17 +1122,18 @@ if(NOT ${CMAKE_BINARY_DIR}/CMakeCache.txt STREQUAL ${CACHE_PATH})
 	file(COPY ${CMAKE_SOURCE_DIR}/contrib/completion/git-completion.bash DESTINATION ${CMAKE_BINARY_DIR}/contrib/completion/)
 endif()
 
-file(GLOB test_scipts "${CMAKE_SOURCE_DIR}/t/t[0-9]*.sh")
+file(GLOB test_scripts "${CMAKE_SOURCE_DIR}/t/t[0-9]*.sh")
 
 #test
-foreach(tsh ${test_scipts})
-	add_test(NAME ${tsh}
+foreach(tsh ${test_scripts})
+	string(REGEX REPLACE ".*/(.*)\\.sh" "\\1" test_name ${tsh})
+	add_test(NAME "t.suite.${test_name}"
 		COMMAND ${SH_EXE} ${tsh} --no-bin-wrappers --no-chain-lint -vx
 		WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/t)
 endforeach()
 
 # This test script takes an extremely long time and is known to time out even
 # on fast machines because it requires in excess of one hour to run
-set_tests_properties("${CMAKE_SOURCE_DIR}/t/t7112-reset-submodule.sh" PROPERTIES TIMEOUT 4000)
+set_tests_properties("t.suite.t7112-reset-submodule" PROPERTIES TIMEOUT 4000)
 
 endif()#BUILD_TESTING

t/Makefile

@@ -42,7 +42,7 @@ TPERF = $(sort $(wildcard perf/p[0-9][0-9][0-9][0-9]-*.sh))
 TINTEROP = $(sort $(wildcard interop/i[0-9][0-9][0-9][0-9]-*.sh))
 CHAINLINTTESTS = $(sort $(patsubst chainlint/%.test,%,$(wildcard chainlint/*.test)))
 CHAINLINT = '$(PERL_PATH_SQ)' chainlint.pl
-UNIT_TESTS = $(sort $(filter-out unit-tests/bin/t-basic%,$(wildcard unit-tests/bin/t-*)))
+UNIT_TESTS = $(sort $(filter-out %.pdb unit-tests/bin/t-basic%,$(wildcard unit-tests/bin/t-*)))
 
 # `test-chainlint` (which is a dependency of `test-lint`, `test` and `prove`)
 # checks all tests in all scripts via a single invocation, so tell individual

t/unit-tests/test-lib.c

@@ -21,6 +21,46 @@ static struct {
 	.result = RESULT_NONE,
 };
 
+#ifndef _MSC_VER
+#define make_relative(location) location
+#else
+/*
+ * Visual C interpolates the absolute Windows path for `__FILE__`,
+ * but we want to see relative paths, as verified by t0080.
+ */
+#include "dir.h"
+
+static const char *make_relative(const char *location)
+{
+	static char prefix[] = __FILE__, buf[PATH_MAX], *p;
+	static size_t prefix_len;
+
+	if (!prefix_len) {
+		size_t len = strlen(prefix);
+		const char *needle = "\\t\\unit-tests\\test-lib.c";
+		size_t needle_len = strlen(needle);
+
+		if (len < needle_len || strcmp(needle, prefix + len - needle_len))
+			die("unexpected suffix of '%s'", prefix);
+
+		/* let it end in a directory separator */
+		prefix_len = len - needle_len + 1;
+	}
+
+	/* Does it not start with the expected prefix? */
+	if (fspathncmp(location, prefix, prefix_len))
+		return location;
+
+	strlcpy(buf, location + prefix_len, sizeof(buf));
+	/* convert backslashes to forward slashes */
+	for (p = buf; *p; p++)
+		if (*p == '\\')
+			*p = '/';
+
+	return buf;
+}
+#endif
+
 static void msg_with_prefix(const char *prefix, const char *format, va_list ap)
 {
 	fflush(stderr);
@@ -147,7 +187,8 @@ int test__run_end(int was_run UNUSED, const char *location, const char *format,
 			break;
 
 		case RESULT_NONE:
-			test_msg("BUG: test has no checks at %s", location);
+			test_msg("BUG: test has no checks at %s",
+				 make_relative(location));
 			printf("not ok %d", ctx.count);
 			print_description(format, ap);
 			ctx.result = RESULT_FAILURE;
@@ -193,14 +234,16 @@ int test_assert(const char *location, const char *check, int ok)
 	assert(ctx.running);
 
 	if (ctx.result == RESULT_SKIP) {
-		test_msg("skipping check '%s' at %s", check, location);
+		test_msg("skipping check '%s' at %s", check,
+			 make_relative(location));
 		return 1;
 	}
 	if (!ctx.todo) {
 		if (ok) {
 			test_pass();
 		} else {
-			test_msg("check \"%s\" failed at %s", check, location);
+			test_msg("check \"%s\" failed at %s", check,
+				 make_relative(location));
 			test_fail();
 		}
 	}
@@ -225,7 +268,8 @@ int test__todo_end(const char *location, const char *check, int res)
 	if (ctx.result == RESULT_SKIP)
 		return 1;
 	if (res) {
-		test_msg("todo check '%s' succeeded at %s", check, location);
+		test_msg("todo check '%s' succeeded at %s", check,
+			 make_relative(location));
 		test_fail();
 	} else {
 		test_todo();