test - introduce unit tests for telemetry::Symlink

src/telemetry/symlink.cpp

@@ -29,3 +29,7 @@ Symlink::Symlink(
 }
 
 } // namespace telemetry
+
+#ifdef TELEMETRY_ENABLE_TESTS
+#include "tests/testSymlink.cpp"
+#endif

src/telemetry/tests/testDirectory.cpp

@@ -344,7 +344,15 @@ TEST(TelemetryDirectory, addSymlink)
 	EXPECT_THROW((void) root->addSymlink("link", info), TelemetryException);
 	EXPECT_THROW((void) root->addSymlink("info", info), TelemetryException);
 
-	auto symlink1 = root->addSymlink("link1", symlink);
+	auto symlinkToSymlink = root->addSymlink("linkToLink", symlink);
+
+	EXPECT_EQ("linkToLink", symlinkToSymlink->getName());
+	EXPECT_EQ("/linkToLink", symlinkToSymlink->getFullPath());
+	EXPECT_EQ(symlink, symlinkToSymlink->getTarget());
+
+	auto targetOfSymlinkToSymlink
+		= std::dynamic_pointer_cast<Symlink>(symlinkToSymlink->getTarget())->getTarget();
+	EXPECT_EQ(info, targetOfSymlinkToSymlink);
 }
 
 } // namespace telemetry

src/telemetry/tests/testSymlink.cpp

@@ -0,0 +1,52 @@
+/**
+ * @file
+ * @author Pavel Siska <siska@cesnet.cz>
+ * @brief Unit tests of telemetry::File class
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <telemetry/directory.hpp>
+
+#include <gtest/gtest.h>
+
+namespace telemetry {
+
+/**
+ * @test Test checking symlink target
+ */
+TEST(TelemetrySymlink, hasTarget)
+{
+	auto root = Directory::create();
+	auto dir = root->addDir("dir");
+	auto file = dir->addFile("file", {});
+	auto symlink = root->addSymlink("symlink", file);
+
+	auto target = symlink->getTarget();
+
+	EXPECT_EQ(file, target);
+}
+
+/**
+ * @test Test checking symlink target lifetime
+ */
+TEST(TelemetrySymlink, targetScopeLifetime)
+{
+	auto root = Directory::create();
+	auto dir = root->addDir("dir");
+
+	std::shared_ptr<Symlink> symlink;
+
+	{
+		auto file = dir->addFile("file", {});
+		symlink = root->addSymlink("symlink", file);
+
+		auto target = symlink->getTarget();
+		EXPECT_EQ(file, target);
+	}
+
+	auto target = symlink->getTarget();
+	EXPECT_EQ(nullptr, target);
+}
+
+} // namespace telemetry