Run all C++ tests from a single executable (#3582)

test/CMakeLists.txt

@@ -1,5 +1,7 @@
 cmake_minimum_required (VERSION 3.22)
 
+# -- C++ tests
+
 include_directories (${CMAKE_SOURCE_DIR}
                      ${CMAKE_SOURCE_DIR}/src
                      ${CMAKE_SOURCE_DIR}/src/commands
@@ -8,56 +10,64 @@ include_directories (${CMAKE_SOURCE_DIR}
                      ${CMAKE_SOURCE_DIR}/test
                      ${TASK_INCLUDE_DIRS})
 
-set (test_SRCS
-  col.test.cpp
-  dom.test.cpp
-  eval.test.cpp
-  lexer.test.cpp
-  t.test.cpp
-  tw-2689.test.cpp
-  tdb2.test.cpp
-  tc.test.cpp
-  util.test.cpp
-  variant_add.test.cpp
-  variant_and.test.cpp
-  variant_cast.test.cpp
-  variant_divide.test.cpp
-  variant_equal.test.cpp
-  variant_exp.test.cpp
-  variant_gt.test.cpp
-  variant_gte.test.cpp
-  variant_inequal.test.cpp
-  variant_lt.test.cpp
-  variant_lte.test.cpp
-  variant_match.test.cpp
-  variant_math.test.cpp
-  variant_modulo.test.cpp
-  variant_multiply.test.cpp
-  variant_nomatch.test.cpp
-  variant_not.test.cpp
-  variant_or.test.cpp
-  variant_partial.test.cpp
-  variant_subtract.test.cpp
-  variant_xor.test.cpp
-  view.test.cpp
+# All C++ test files. Note that the portion before `.cpp` must be a valid,
+# unique C++ identifier.
+set(test_SRCS
+  col_test.cpp
+  dom_test.cpp
+  eval_test.cpp
+  lexer_test.cpp
+  t_test.cpp
+  tw_2689_test.cpp
+  tdb2_test.cpp
+  tc_cpp_test.cpp
+  util_test.cpp
+  variant_add_test.cpp
+  variant_and_test.cpp
+  variant_cast_test.cpp
+  variant_divide_test.cpp
+  variant_equal_test.cpp
+  variant_exp_test.cpp
+  variant_gt_test.cpp
+  variant_gte_test.cpp
+  variant_inequal_test.cpp
+  variant_lt_test.cpp
+  variant_lte_test.cpp
+  variant_match_test.cpp
+  variant_math_test.cpp
+  variant_modulo_test.cpp
+  variant_multiply_test.cpp
+  variant_nomatch_test.cpp
+  variant_not_test.cpp
+  variant_or_test.cpp
+  variant_partial_test.cpp
+  variant_subtract_test.cpp
+  variant_xor_test.cpp
+  view_test.cpp
   )
 
-add_custom_target (build_tests DEPENDS ${test_SRCS}
-                               WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/test)
+# Build `test_runner` containing all CPP tests, linked once.
+create_test_sourcelist (cpp_test_SRCS cpp_tests.cpp ${test_SRCS})
+add_executable(test_runner
+  test.cpp
+  ${cpp_test_SRCS}
+)
+target_link_libraries (test_runner task commands columns libshared task commands columns libshared task commands columns libshared ${TASK_LIBRARIES})
+if (DARWIN)
+  target_link_libraries (test_runner "-framework CoreFoundation -framework Security -framework SystemConfiguration")
+endif (DARWIN)
 
-foreach (src_FILE ${test_SRCS})
-  add_executable (${src_FILE} ${src_FILE} test.cpp)
-  target_link_libraries (${src_FILE} task commands columns libshared task commands columns libshared task commands columns libshared ${TASK_LIBRARIES})
-  add_dependencies (${src_FILE} task_executable)
-  if (DARWIN)
-    target_link_libraries (${src_FILE} "-framework CoreFoundation -framework Security -framework SystemConfiguration")
-  endif (DARWIN)
-
-  add_test(NAME ${src_FILE}
-    COMMAND ${src_FILE}
+foreach (test_FILE ${test_SRCS})
+  get_filename_component (test_NAME ${test_FILE} NAME_WE)
+  # Tell the source file what its own name is
+  set_source_files_properties(${test_FILE} PROPERTIES COMPILE_FLAGS -DTEST_NAME=${test_NAME})
+  add_test(NAME ${test_FILE}
+    COMMAND test_runner ${test_NAME}
     WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
-    )
-endforeach (src_FILE)
+  )
+endforeach (test_FILE)
+
+# -- Python tests
 
 add_subdirectory(basetest)
 add_subdirectory(simpletap)

test/README.md

@@ -1,7 +1,7 @@
 ## Running Tests
 Do this to run all tests:
 ```shell
-cmake --build build --target build_tests
+cmake --build build --target test_runner --target task_executable
 ctest --test-dir build
 ```
 

test/col_test.cpp

@@ -33,7 +33,7 @@
 #include <test.h>
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest test(12);
 
   // Ensure environment has no influence.

test/docker/arch

@@ -26,5 +26,5 @@ RUN cmake --install build
 RUN task --version
 
 # Setup tests
-RUN cmake --build build --target build_tests -j 8
+RUN cmake --build build --target test_runner -j 8
 CMD ctest --test-dir build -j 8 --output-on-failure --rerun-failed

test/docker/debianstable

@@ -27,5 +27,5 @@ RUN cmake --install build
 RUN task --version
 
 # Setup tests
-RUN cmake --build build --target build_tests -j 8
+RUN cmake --build build --target test_runner -j 8
 CMD ctest --test-dir build -j 8 --output-on-failure --rerun-failed

test/docker/debiantesting

@@ -27,5 +27,5 @@ RUN cmake --install build
 RUN task --version
 
 # Setup tests
-RUN cmake --build build --target build_tests -j 8
+RUN cmake --build build --target test_runner -j 8
 CMD ctest --test-dir build -j 8 --output-on-failure --rerun-failed

test/docker/fedora39

@@ -26,5 +26,5 @@ RUN cmake --install build
 RUN task --version
 
 # Setup tests
-RUN cmake --build build --target build_tests -j 8
+RUN cmake --build build --target test_runner -j 8
 CMD ctest --test-dir build -j 8 --output-on-failure --rerun-failed

test/docker/fedora40

@@ -26,5 +26,5 @@ RUN cmake --install build
 RUN task --version
 
 # Setup tests
-RUN cmake --build build --target build_tests -j 8
+RUN cmake --build build --target test_runner -j 8
 CMD ctest --test-dir build -j 8 --output-on-failure --rerun-failed

test/docker/opensuse

@@ -25,5 +25,5 @@ RUN cmake --install build
 RUN task --version
 
 # Setup tests
-RUN cmake --build build --target build_tests -j 8
+RUN cmake --build build --target test_runner -j 8
 CMD ctest --test-dir build -j 8 --output-on-failure --rerun-failed

test/docker/ubuntu2004

@@ -34,5 +34,5 @@ RUN cmake --install build
 RUN task --version
 
 # Setup tests
-RUN cmake --build build --target build_tests -j 8
+RUN cmake --build build --target test_runner -j 8
 CMD ctest --test-dir build -j 8 --output-on-failure --rerun-failed

test/docker/ubuntu2204

@@ -27,5 +27,5 @@ RUN cmake --install build
 RUN task --version
 
 # Setup tests
-RUN cmake --build build --target build_tests -j 8
+RUN cmake --build build --target test_runner -j 8
 CMD ctest --test-dir build -j 8 --output-on-failure --rerun-failed

test/dom_test.cpp

@@ -31,6 +31,8 @@
 #include <Variant.h>
 #include <test.h>
 
+namespace {
+
 ////////////////////////////////////////////////////////////////////////////////
 bool providerString(const std::string& path, Variant& var) {
   if (path == "name") {
@@ -50,8 +52,10 @@ bool providerString(const std::string& path, Variant& var) {
   return false;
 }
 
+}  // namespace
+
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(12);
 
   DOM dom;

test/eval_test.cpp

@@ -31,6 +31,8 @@
 #include <Eval.h>
 #include <test.h>
 
+namespace {
+
 ////////////////////////////////////////////////////////////////////////////////
 // A few hard-coded symbols.
 bool get(const std::string& name, Variant& value) {
@@ -42,8 +44,10 @@ bool get(const std::string& name, Variant& value) {
   return true;
 }
 
+}  // namespace
+
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(52);
   Context context;
   Context::setContext(&context);

test/lexer_test.cpp

@@ -37,7 +37,7 @@
 #include <vector>
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
 #ifdef PRODUCT_TASKWARRIOR
   UnitTest t(1255);
 #else

test/t_test.cpp

@@ -32,7 +32,7 @@
 #include <test.h>
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest test(48);
   Context context;
   Context::setContext(&context);

test/tc_cpp_test.cpp

@@ -41,7 +41,7 @@ std::string uuid2str(tc::Uuid uuid) { return static_cast<std::string>(uuid.to_st
 // Tests for the basic cxxbridge functionality. This focuses on the methods with
 // complex cxxbridge implementations, rather than those with complex Rust
 // implementations but simple APIs, like sync.
-int main(int, char **) {
+int TEST_NAME(int, char **) {
   UnitTest t;
   std::string str;
 

test/tdb2_test.cpp

@@ -34,7 +34,7 @@
 
 #include <iostream>
 
-Context context;
+namespace {
 
 void cleardb() {
   // Remove any residual test files.
@@ -42,8 +42,10 @@ void cleardb() {
   unlink("./taskchampion.sqlite3");
 }
 
+}  // namespace
+
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(12);
   Context context;
   Context::setContext(&context);

test/tw_2689_test.cpp

@@ -34,7 +34,7 @@
 #include <test.h>
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest test(12);
 
   // Ensure environment has no influence.

test/util_test.cpp

@@ -35,7 +35,7 @@
 #include <iostream>
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(19);
   Context context;
   Context::setContext(&context);

test/variant_add_test.cpp

@@ -35,7 +35,7 @@
 #define EPSILON 0.001
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(80);
 
   Variant v0(true);

test/variant_and_test.cpp

@@ -33,7 +33,7 @@
 #include <iostream>
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(76);
 
   Variant v0(true);

test/variant_cast_test.cpp

@@ -35,7 +35,7 @@
 #define EPSILON 0.001
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(81);
 
   time_t now = time(nullptr);

test/variant_divide_test.cpp

@@ -35,7 +35,7 @@
 #define EPSILON 0.0001
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(44);
 
   Variant v0(true);

test/variant_equal_test.cpp

@@ -33,7 +33,7 @@
 #include <iostream>
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(72);
 
   Variant v0(true);

test/variant_exp_test.cpp

@@ -33,7 +33,7 @@
 #include <iostream>
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(38);
 
   Variant v0(true);

test/variant_gt_test.cpp

@@ -33,7 +33,7 @@
 #include <iostream>
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(72);
 
   Variant v0(true);

test/variant_gte_test.cpp

@@ -33,7 +33,7 @@
 #include <iostream>
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(72);
 
   Variant v0(true);

test/variant_inequal_test.cpp

@@ -33,7 +33,7 @@
 #include <iostream>
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(72);
 
   Variant v0(true);

test/variant_lt_test.cpp

@@ -33,7 +33,7 @@
 #include <iostream>
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(72);
 
   Variant v0(true);

test/variant_lte_test.cpp

@@ -33,7 +33,7 @@
 #include <iostream>
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(72);
 
   Variant v0(true);

test/variant_match_test.cpp

@@ -33,12 +33,12 @@
 
 #include <iostream>
 
-Task task;
-
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(120);
 
+  Task task;
+
   Variant vs0("untrue");   // ~ true
   Variant vs1(8421);       // ~ 42
   Variant vs2(3.14159);    // ~ 3.14

test/variant_math_test.cpp

@@ -35,7 +35,7 @@
 #define EPSILON 0.001
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(1);
 
   Variant v0(10.0);

test/variant_modulo_test.cpp

@@ -35,7 +35,7 @@
 #define EPSILON 0.0001
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(40);
 
   Variant v0(true);

test/variant_multiply_test.cpp

@@ -35,7 +35,7 @@
 #define EPSILON 0.0001
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(54);
 
   Variant v0(true);

test/variant_nomatch_test.cpp

@@ -33,12 +33,12 @@
 
 #include <iostream>
 
-Task task;
-
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(120);
 
+  Task task;
+
   Variant vs0("untrue");   // !~ true
   Variant vs1(8421);       // !~ 42
   Variant vs2(3.14159);    // !~ 3.14

test/variant_not_test.cpp

@@ -33,7 +33,7 @@
 #include <iostream>
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(14);
 
   Variant v0(true);

test/variant_or_test.cpp

@@ -33,7 +33,7 @@
 #include <iostream>
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(76);
 
   Variant v0(true);

test/variant_partial_test.cpp

@@ -33,7 +33,7 @@
 #include <iostream>
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(72);
 
   Variant v0(true);

test/variant_subtract_test.cpp

@@ -35,7 +35,7 @@
 #define EPSILON 0.001
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(55);
 
   Variant v0(true);

test/variant_xor_test.cpp

@@ -33,7 +33,7 @@
 #include <iostream>
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(76);
 
   Variant v0(true);

test/view_test.cpp

@@ -43,7 +43,7 @@ Context context;
 extern std::string configurationDefaults;
 
 ////////////////////////////////////////////////////////////////////////////////
-int main(int, char**) {
+int TEST_NAME(int, char**) {
   UnitTest t(1);
   Context context;
   Context::setContext(&context);