add:tests:Add a way to run unit tests in Navit

5 files changed, 89 insertions, 0 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6f777ed6c..555a65bc5 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -930,3 +930,54 @@ add_subdirectory (man)
 if (USE_NATIVE_LANGUAGE_SUPPORT)
 	add_subdirectory (po)
 endif(USE_NATIVE_LANGUAGE_SUPPORT)
+
+# we will use the network to fetch Google Test sources
+# make it possible to disable unit tests when not on network
+option(ENABLE_UNIT_TESTS "Enable unit tests" ON)
+message(STATUS "Enable testing: ${ENABLE_UNIT_TESTS}")
+include(googletest.cmake)
+
+if(ENABLE_UNIT_TESTS)
+	include(ExternalProject)
+	ExternalProject_Add(
+		googletest
+		SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/googletest-src"
+		BINARY_DIR "${CMAKE_CURRENT_SOURCE_DIR}/googletest-build"
+		GIT_REPOSITORY https://github.com/google/googletest.git
+		GIT_TAG release-1.8.0
+		CONFIGURE_COMMAND ""
+		BUILD_COMMAND ""
+		INSTALL_COMMAND ""
+		TEST_COMMAND ""
+	)
+	execute_process(
+		COMMAND "${CMAKE_COMMAND}" -G "${CMAKE_GENERATOR}" .
+		WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+	)
+	execute_process(
+		COMMAND "${CMAKE_COMMAND}" --build .
+		WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+	)
+	add_subdirectory(
+		"${CMAKE_CURRENT_SOURCE_DIR}/googletest-src"
+		"${CMAKE_CURRENT_SOURCE_DIR}/googletest-build"
+	)
+
+  add_executable(unit_tests "")
+
+  target_sources(
+    unit_tests
+    PRIVATE
+      calculator.cpp
+      main.cpp
+    )
+
+  target_link_libraries(
+    unit_tests
+    PRIVATE
+      calculator
+      gtest_main
+    )
+
+  add_test(unit ${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_BINDIR}/unit_tests)
+endif()
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
new file mode 100644
index 000000000..eef472b3a
--- /dev/null
+++ b/test/CMakeLists.txt
@@ -0,0 +1,10 @@
+file(GLOB TEST_FILES_SOURCES "*.cpp")
+
+add_executable(unit_tests ${TEST_FILES_SOURCES})
+
+target_link_libraries(unit_tests navit)
+
+add_test(
+	NAME unit
+	COMMAND ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_BINDIR}/unit_tests
+	)
diff --git a/test/README.md b/test/README.md
new file mode 100644
index 000000000..15702e5ef
--- /dev/null
+++ b/test/README.md
@@ -0,0 +1,7 @@
+# Unit tests in Navit
+
+Unit tests in Navit are in their infancy and are totally optional.
+
+They are mostly useful for verifying non regression on tricky corner cases.
+
+We don't target to test internal functions but more plugin interface level ones.
diff --git a/test/main.cpp b/test/main.cpp
new file mode 100644
index 000000000..64becff4b
--- /dev/null
+++ b/test/main.cpp
@@ -0,0 +1,6 @@
+#include <gtest/gtest.h>
+
+int main(int argc, char **argv) {
+    testing::InitGoogleTest(&argc, argv);
+    return RUN_ALL_TESTS();
+}
diff --git a/test/search.cpp b/test/search.cpp
new file mode 100644
index 000000000..a5f114e0a
--- /dev/null
+++ b/test/search.cpp
@@ -0,0 +1,15 @@
+#include "search.h"
+#include <gtest/gtest.h>
+
+TEST(SearchTestSuite, search_fix_spaces) {
+    const char *in = " Hello, world/!  ";
+    ASSERT_STREQ(search_fix_spaces(in), "Hello world !");
+    // Explicit cast is necessary here because cpputest runs with -Wwrite-strings which assumes ISO C++ is respected
+    char *non_const = (char *)"Spaces after string...  ";
+    ASSERT_STREQ(search_fix_spaces(non_const), "Spaces after string...");
+    ASSERT_STREQ(search_fix_spaces("   Spaces before string."), "Spaces before string.");
+    ASSERT_STREQ(search_fix_spaces("Don't change a thing!"), "Don't change a thing!");
+    ASSERT_STREQ(search_fix_spaces(""), "");
+    ASSERT_STREQ(search_fix_spaces(", / "), "");
+    ASSERT_STREQ(search_fix_spaces(", */ "), "*");
+}