1 files changed, 125 insertions, 0 deletions
diff --git a/gtests/src/gtest_helper.cpp b/gtests/src/gtest_helper.cpp
new file mode 100644
index 000000000..23ef54a8f
--- /dev/null
+++ b/gtests/src/gtest_helper.cpp
@@ -0,0 +1,125 @@
+#include <gtest/gtest.h>
+#include <cstdlib>
+#include <cstdio>
+#include <iostream>
+#include <memory>
+#include <stdexcept>
+#include <string>
+#include <array>
+#include <unordered_map>
+#include <algorithm>
+
+#include "gtest_helper.h"
+
+enum TestResult {
+    PASS,
+    FAIL,
+    SKIP,
+    UNKNOWN
+};
+
+/**
+ * @brief Run the command and returns the output.
+ *
+ * @param cmd
+ * @return std::string
+ */
+std::string exec(std::string cmd) {
+    std::unique_ptr<FILE, decltype(&pclose) > pipe(popen(cmd.c_str(), "r"), pclose);
+    if (!pipe) {
+        return "popen() failed! Could not find or run the binary.";
+    }
+
+    std::array<char, 128> buffer;
+    std::string result;
+    while (fgets(buffer.data(), buffer.size(), pipe.get()) != nullptr) {
+        result += buffer.data();
+    }
+    return result;
+}
+
+/**
+ * @brief Get the Subtest Result From Log object
+ *
+ * @param log
+ * @param subtestName
+ * @return TestResult
+ */
+TestResult getSubtestTestResultFromLog(std::string log, std::string subtestName) {
+    if (log.find("Subtest " + subtestName + ": FAIL") != std::string::npos) {
+        return FAIL;
+    }
+    else if (log.find("Subtest " + subtestName + ": SKIP") != std::string::npos) {
+        return SKIP;
+    }
+    else if (log.find("Subtest " + subtestName + ": SUCCESS") != std::string::npos) {
+        return PASS;
+    }
+    else {
+        return UNKNOWN;
+    }
+}
+
+/**
+ * @brief Get the Test Result From Log object
+ *
+ * @param log
+ * @param subtestName
+ * @return TestResult
+ */
+TestResult getTestResultFromLog(std::string log) {
+
+    std::for_each(log.begin(), log.end(), [](char & c) {
+        c = ::tolower(c);
+    });
+
+    if (log.find("fail") != std::string::npos) {
+        return FAIL;
+    }
+    else if (log.find("skip") != std::string::npos) {
+        return SKIP;
+    }
+    else if (log.find("success") != std::string::npos) {
+        return PASS;
+    }
+    else {
+        return UNKNOWN;
+    }
+}
+
+void presentTestResult(TestResult result, std::string log) {
+    switch (result)
+    {
+    case PASS:
+        SUCCEED();
+        break;
+    case FAIL:
+        ADD_FAILURE() << log;
+        break;
+    case SKIP:
+        GTEST_SKIP() << log;
+        break;
+    case UNKNOWN:
+        ADD_FAILURE() << "Could not determine test result.\n" << log;
+        break;
+    default:
+        ADD_FAILURE() << log;
+        break;
+    }
+}
+
+void runSubTest(std::string testBinaryName, std::string subtestName) {
+    std::string log = exec("./" + testBinaryName + " --run-subtest " + subtestName);
+
+    TestResult result = getSubtestTestResultFromLog(log, subtestName);
+
+    presentTestResult(result, log);
+}
+
+void runTest(std::string testBinaryName) {    
+    std::string log = exec("./" + testBinaryName);
+
+    TestResult result = getTestResultFromLog(log);
+
+    presentTestResult(result, log);
+}