fuzzers: provide test targets

Instead of having to find the fuzzer executables in our Azure test
scripts, provide test targets for each of our fuzzers that will
run them with the correct paths.

ci/test.sh

@@ -256,9 +256,7 @@ if [ -z "$SKIP_FUZZERS" ]; then
 	echo "## Running fuzzers"
 	echo "##############################################################################"
 
-	for fuzzer in fuzzers/*_fuzzer; do
-		"${fuzzer}" "${SOURCE_DIR}/fuzzers/corpora/$(basename "${fuzzer%_fuzzer}")" || failure
-	done
+	ctest -V -R 'fuzzer'
 fi
 
 cleanup

fuzzers/CMakeLists.txt

@@ -9,6 +9,8 @@ ENDIF ()
 FILE(GLOB SRC_FUZZ RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *_fuzzer.c)
 FOREACH(fuzz_target_src ${SRC_FUZZ})
 	STRING(REPLACE ".c" "" fuzz_target_name ${fuzz_target_src})
+	STRING(REPLACE "_fuzzer" "" fuzz_name ${fuzz_target_name})
+
 	SET(${fuzz_target_name}_SOURCES ${fuzz_target_src} ${LIBGIT2_OBJECTS})
 	IF(USE_STANDALONE_FUZZERS)
 		LIST(APPEND ${fuzz_target_name}_SOURCES "standalone_driver.c")
@@ -16,4 +18,6 @@ FOREACH(fuzz_target_src ${SRC_FUZZ})
 	ADD_EXECUTABLE(${fuzz_target_name} ${${fuzz_target_name}_SOURCES})
 	SET_TARGET_PROPERTIES(${fuzz_target_name} PROPERTIES C_STANDARD 90)
 	TARGET_LINK_LIBRARIES(${fuzz_target_name} ${LIBGIT2_LIBS})
+
+	ADD_TEST(${fuzz_target_name} "${CMAKE_CURRENT_BINARY_DIR}/${fuzz_target_name}" "${CMAKE_CURRENT_SOURCE_DIR}/corpora/${fuzz_name}")
 ENDFOREACH()