Test cases for Catch2 integration

tests/test_drivers/catch/custom-runner/package.dds

+Name: Test
+Version: 0.0.0
+
+Test-Driver: Catch

tests/test_drivers/catch/custom-runner/src/testlib/calc.hpp

+#pragma once
+
+namespace stuff {
+
+int calculate(int a, int b) {
+    int result = a + b;
+    if (result == 42) {
+        return result;
+    } else {
+        return 42;
+    }
+}
+
+}  // namespace stuff

tests/test_drivers/catch/custom-runner/src/testlib/calc.test.cpp

+#define CATCH_CONFIG_RUNNER
+#include <catch2/catch.hpp>
+
+#include <testlib/calc.hpp>
+
+TEST_CASE("A simple test case") {
+    CHECK_FALSE(false);
+    CHECK(2 == 2);
+    CHECK(1 != 4);
+    CHECK(stuff::calculate(3, 11) == 42);
+}
+
+int main(int argc, char** argv) {
+    // We provide our own runner
+    return Catch::Session().run(argc, argv);
+}

tests/test_drivers/catch/main/package.dds

+Name: Test
+Version: 0.0.0
+
+Test-Driver: Catch-Main

tests/test_drivers/catch/main/src/testlib/calc.hpp

+#pragma once
+
+namespace stuff {
+
+int calculate(int a, int b) {
+    int result = a + b;
+    if (result == 42) {
+        return result;
+    } else {
+        return 42;
+    }
+}
+
+}  // namespace stuff

tests/test_drivers/catch/main/src/testlib/calc.test.cpp

+#include <catch2/catch.hpp>
+
+#include <testlib/calc.hpp>
+
+TEST_CASE("A simple test case") {
+    CHECK_FALSE(false);
+    CHECK(2 == 2);
+    CHECK(1 != 4);
+    CHECK(stuff::calculate(3, 11) == 42);
+}

tests/test_drivers/catch/test_catch.py

+from tests import DDS, dds_fixture_conf, DDSFixtureParams
+from dds_ci import proc
+
+
+@dds_fixture_conf(
+    DDSFixtureParams('main', 'main'),
+    DDSFixtureParams('custom-runner', 'custom-runner'),
+)
+def test_catch_testdriver(dds: DDS):
+    dds.build(tests=True)
+    test_exe = dds.build_dir / f'test/calc{dds.exe_suffix}'
+    assert test_exe.exists()
+    assert proc.run([test_exe]).returncode == 0