From f5b09df9c88d49c95fd0c0ef7b3670b40634ca5c Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Fri, 27 May 2022 09:50:35 +0200
Subject: WIP: automatic externals

---
 test/ctor.cc        |  20 +++++++++-
 test/search_test.cc | 106 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 125 insertions(+), 1 deletion(-)
 create mode 100644 test/search_test.cc

(limited to 'test')

diff --git a/test/ctor.cc b/test/ctor.cc
index c24ded7..fd97c80 100644
--- a/test/ctor.cc
+++ b/test/ctor.cc
@@ -67,7 +67,9 @@ BuildConfigurations ctorTestConfigs(const Settings& settings)
 				"../src/build.cc",
 				"../src/configure.cc",
 				"../src/execute.cc",
+				"../src/externals_manual.cc",
 				"../src/rebuild.cc",
+				"../src/search.cc",
 				"../src/tasks.cc",
 				"../src/task.cc",
 				"../src/task_ar.cc",
@@ -76,7 +78,6 @@ BuildConfigurations ctorTestConfigs(const Settings& settings)
 				"../src/task_ld.cc",
 				"../src/task_so.cc",
 				"../src/util.cc",
-				"../src/externals_manual.cc",
 			},
 			.flags = {
 				.cxxflags = {
@@ -86,6 +87,23 @@ BuildConfigurations ctorTestConfigs(const Settings& settings)
 				.ldflags = { "-pthread" },
 			},
 		},
+		{
+			.type = TargetType::UnitTest,
+			.target = "search_test",
+			.sources = {
+				"../src/search.cc",
+				"search_test.cc",
+				"testmain.cc",
+			},
+			.flags = {
+				.cxxflags = {
+					"-std=c++20", "-O3", "-s", "-Wall", "-Werror",
+					"-I../src", "-Iuunit",
+					"-DOUTPUT=\"search\"",
+				},
+				.ldflags = { "-pthread" },
+			},
+		},
 	};
 }
 }
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;
-- 
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