WIP: automatic externalsexternals

1 files changed, 106 insertions, 0 deletions

diff --git a/test/search_test.cc b/test/search_test.cc
new file mode 100644
index 0000000..179fb0e
--- /dev/null
+++ b/test/search_test.cc
@@ -0,0 +1,106 @@
+#include <uunit.h>
+
+#include <string>
+#include <fstream>
+
+#include <search.h>
+#include <libctor.h>
+
+#include "paths.h"
+
+class SearchTest
+	: public uUnit
+{
+public:
+	SearchTest()
+	{
+		uTEST(SearchTest::test_include);
+		uTEST(SearchTest::test_lib);
+	}
+
+	void test_include()
+	{
+		using namespace std::string_literals;
+
+		constexpr auto verb = -1;
+
+		auto src = paths::top_srcdir / "src";
+		auto tmp = std::filesystem::temp_directory_path();
+
+		{ // system
+			Settings settings{.verbose = verb}; // instantiate with default paths set
+			auto result = findHeader(settings, "stdio.h", {});
+			uASSERT_EQUAL("/usr/include"s, result.string());
+		}
+
+		{ // libctor.h in src folder
+			Settings settings{.verbose = verb}; // instantiate with default paths set
+			auto result = findHeader(settings, "libctor.h", { src.string() });
+			uASSERT_EQUAL(src, result);
+		}
+
+		{ // src/libctor.h in topsrc folder (ie. path with '/')
+			Settings settings{.verbose = verb}; // instantiate with default paths set
+			auto result = findHeader(settings, "src/libctor.h",
+			                         { paths::top_srcdir.string() });
+			uASSERT_EQUAL(paths::top_srcdir, result);
+		}
+
+		{ // libctor.h in src folder over one in temp folder (system)
+			Settings settings{.verbose = verb}; // instantiate with default paths set
+			settings.include_paths = { tmp.string() };
+			auto tmpfile = tmp / "libctor.h";
+			{ // create /tmp/libctor.h file
+				std::ofstream of(tmpfile.string());
+				of << "/* nop */";
+			}
+			auto result = findHeader(settings, "libctor.h", { src.string() });
+			std::filesystem::remove(tmpfile);
+			uASSERT_EQUAL(src, result);
+		}
+
+		{ // libctor.h in temp folder over one in src folder (local prio)
+			Settings settings{.verbose = verb}; // instantiate with default paths set
+			settings.include_paths = {}; // remove system search paths
+			auto tmpfile = tmp / "libctor.h";
+			{ // create /tmp/libctor.h file
+				std::ofstream of(tmpfile.string());
+				of << "/* nop */";
+			}
+			auto result = findHeader(settings, "libctor.h",
+			                         { tmp.string(), src.string() });
+			std::filesystem::remove(tmpfile);
+			uASSERT_EQUAL(tmp, result);
+		}
+
+		{ // not found
+			Settings settings{.verbose = verb};
+			settings.include_paths = {}; // remove system search paths
+			auto result = findHeader(settings, "no_such_file.h", {});
+			uASSERT(result.empty());
+		}
+	}
+
+	void test_lib()
+	{
+		using namespace std::string_literals;
+
+		constexpr auto verb = 2;
+
+		auto src = paths::top_srcdir / "src";
+		auto tmp = std::filesystem::temp_directory_path();
+
+		{ // system
+			Settings settings{.verbose = verb}; // instantiate with default paths set
+			auto result = findLibrary(settings, "ffi", {});
+			for(auto f : result)
+			{
+				std::cout << f << "\n";
+			}
+			uASSERT_EQUAL("/usr/lib/libffi.so"s, result[0].string());
+		}
+	}
+};
+
+// Registers the fixture into the 'registry'
+static SearchTest test;