Add simple tests

.github/actions/run-tests/action.yml

@@ -0,0 +1,36 @@
+name: 'Package plugin'
+description: 'Packages the plugin for specified architecture and build config.'
+inputs:
+  target:
+    description: 'Build target'
+    required: true
+  workingDirectory:
+    description: 'Working directory'
+    required: false
+    default: ${{ github.workspace }}
+runs:
+  using: 'composite'
+  steps:
+    - name: Run macOS tests
+      if: ${{ runner.os == 'macOS' }}
+      shell: zsh {0}
+      run: |
+        if [[ '${{ inputs.target }}' != 'x86_64' ]]; then
+          exit 0
+        fi
+        ${{ inputs.workingDirectory }}/build_x86_64/tests/advanced-scene-switcher-tests
+
+    - name: Run Linux packaging
+      if: ${{ runner.os == 'Linux' }}
+      shell: bash
+      run: |
+        if [[ '${{ inputs.target }}' != 'x86_64' ]]; then
+          exit 0
+        fi
+        ${{ inputs.workingDirectory }}/build_x86_64/tests/advanced-scene-switcher-tests
+
+    - name: Run Windows packaging
+      if: ${{ runner.os == 'Windows' }}
+      shell: pwsh
+      run: |
+        ${{ inputs.workingDirectory }}/build_x64/tests/RelWithDebInfo/advanced-scene-switcher-tests.exe

.github/workflows/main.yml

@@ -155,6 +155,12 @@ jobs:
           codesign: 'true'
           codesignIdent: ${{ env.CODESIGN_IDENT }}
 
+      - name: Run tests
+        uses: ./plugin/.github/actions/run-tests
+        with:
+          workingDirectory: ${{ github.workspace }}/plugin
+          target: ${{ matrix.arch }}
+
       - name: Package Plugin
         uses: ./plugin/.github/actions/package-plugin
         with:
@@ -250,6 +256,12 @@ jobs:
           config: RelWithDebInfo
           portable: ${{ matrix.portable }}
 
+      - name: Run tests
+        uses: ./plugin/.github/actions/run-tests
+        with:
+          workingDirectory: ${{ github.workspace }}/plugin
+          target: ${{ matrix.arch }}
+
       - name: Package Plugin
         uses: ./plugin/.github/actions/package-plugin
         with:
@@ -353,6 +365,12 @@ jobs:
           config: RelWithDebInfo
           visualStudio: 'Visual Studio 17 2022'
 
+      - name: Run tests
+        uses: ./plugin/.github/actions/run-tests
+        with:
+          workingDirectory: ${{ github.workspace }}/plugin
+          target: ${{ matrix.arch }}
+
       - name: Package Plugin
         uses: ./plugin/.github/actions/package-plugin
         with:

CMakeLists.txt

@@ -471,3 +471,4 @@ endif()
 # --- End of section ---
 
 add_subdirectory(src/macro-external)
+add_subdirectory(tests)

src/utils/math-helpers.cpp

@@ -6,7 +6,14 @@
 #include <stack>
 #include <cmath>
 
+#ifdef UNIT_TEST
+const char *obs_module_text(const char *text)
+{
+	return text;
+}
+#else
 #include <obs-module.h>
+#endif
 
 static std::vector<std::string_view> nonOperatorSeparators = {
 	" ",

tests/CMakeLists.txt

@@ -0,0 +1,18 @@
+cmake_minimum_required(VERSION 3.14)
+project(advanced-scene-switcher-tests)
+
+get_target_property(ADVSS_SOURCE_DIR advanced-scene-switcher-lib SOURCE_DIR)
+add_executable(${PROJECT_NAME})
+target_compile_definitions(${PROJECT_NAME} PRIVATE UNIT_TEST)
+target_compile_features(${PROJECT_NAME} PRIVATE cxx_std_17)
+target_sources(${PROJECT_NAME}
+               PRIVATE tests.cpp ${ADVSS_SOURCE_DIR}/src/utils/math-helpers.cpp)
+target_include_directories(
+  ${PROJECT_NAME}
+  PRIVATE "${ADVSS_SOURCE_DIR}/src" "${ADVSS_SOURCE_DIR}/src/legacy"
+          "${ADVSS_SOURCE_DIR}/src/macro-core" "${ADVSS_SOURCE_DIR}/src/utils"
+          "${ADVSS_SOURCE_DIR}/forms")
+install(TARGETS advanced-scene-switcher-lib
+        DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
+
+enable_testing()

tests/tests.cpp

@@ -0,0 +1,71 @@
+#define CATCH_CONFIG_MAIN
+#include "catch.hpp"
+
+#include <math-helpers.hpp>
+
+TEST_CASE("Expressions are evaluated successfully", "[math-helpers]")
+{
+	auto expressionResult = EvalMathExpression("1");
+	auto *doubleValuePtr = std::get_if<double>(&expressionResult);
+
+	REQUIRE(doubleValuePtr != nullptr);
+	REQUIRE(*doubleValuePtr == 1.0);
+
+	expressionResult = EvalMathExpression("1 + 2");
+	doubleValuePtr = std::get_if<double>(&expressionResult);
+
+	REQUIRE(doubleValuePtr != nullptr);
+	REQUIRE(*doubleValuePtr == 3.0);
+
+	expressionResult = EvalMathExpression("1 + 2 * 3");
+	doubleValuePtr = std::get_if<double>(&expressionResult);
+
+	REQUIRE(doubleValuePtr != nullptr);
+	REQUIRE(*doubleValuePtr == 7.0);
+
+	expressionResult = EvalMathExpression("(1 + 2) * 3");
+	doubleValuePtr = std::get_if<double>(&expressionResult);
+
+	REQUIRE(doubleValuePtr != nullptr);
+	REQUIRE(*doubleValuePtr == 9.0);
+
+	expressionResult =
+		EvalMathExpression("cos(abs(1 - sqrt(10 - 2 * 3)) -1)");
+	doubleValuePtr = std::get_if<double>(&expressionResult);
+
+	REQUIRE(doubleValuePtr != nullptr);
+	REQUIRE(*doubleValuePtr == 1.0);
+}
+
+TEST_CASE("Invalid expressions are not evaluated", "[math-helpers]")
+{
+	auto expressionResult = EvalMathExpression("");
+	auto *doubleValuePtr = std::get_if<double>(&expressionResult);
+
+	REQUIRE(doubleValuePtr == nullptr);
+
+	expressionResult = EvalMathExpression(")");
+	doubleValuePtr = std::get_if<double>(&expressionResult);
+
+	REQUIRE(doubleValuePtr == nullptr);
+
+	expressionResult = EvalMathExpression("(");
+	doubleValuePtr = std::get_if<double>(&expressionResult);
+
+	REQUIRE(doubleValuePtr == nullptr);
+
+	expressionResult = EvalMathExpression("()");
+	doubleValuePtr = std::get_if<double>(&expressionResult);
+
+	REQUIRE(doubleValuePtr == nullptr);
+
+	expressionResult = EvalMathExpression("1 + 2)");
+	doubleValuePtr = std::get_if<double>(&expressionResult);
+
+	REQUIRE(doubleValuePtr == nullptr);
+
+	expressionResult = EvalMathExpression("1 + 2 * asdf");
+	doubleValuePtr = std::get_if<double>(&expressionResult);
+
+	REQUIRE(doubleValuePtr == nullptr);
+}