Initial self-hosting commit

This is the initial version of our tool that is able to
build itself. In can be bootstrapped by

  ./bin/bootstrap.py

Co-authored-by: Oliver Reiche <oliver.reiche@huawei.com>
Co-authored-by: Victor Moreno <victor.moreno1@huawei.com>

2 files changed, 70 insertions, 0 deletions

diff --git a/test/buildtool/crypto/TARGETS b/test/buildtool/crypto/TARGETS
new file mode 100644
index 00000000..2f604833
--- /dev/null
+++ b/test/buildtool/crypto/TARGETS
@@ -0,0 +1,13 @@
+{ "crypto":
+  { "type": ["@", "rules", "CC/test", "test"]
+  , "name": ["crypto"]
+  , "srcs": ["crypto.test.cpp"]
+  , "deps":
+    [ ["@", "catch2", "", "catch2"]
+    , ["test", "catch-main"]
+    , ["src/buildtool/crypto", "hash_generator"]
+    ]
+  , "stage": ["test", "buildtool", "crypto"]
+  }
+, "TESTS": {"type": "install", "tainted": ["test"], "deps": ["crypto"]}
+}
\ No newline at end of file
diff --git a/test/buildtool/crypto/crypto.test.cpp b/test/buildtool/crypto/crypto.test.cpp
new file mode 100644
index 00000000..78bea66b
--- /dev/null
+++ b/test/buildtool/crypto/crypto.test.cpp
@@ -0,0 +1,57 @@
+#include <algorithm>
+
+#include "catch2/catch.hpp"
+#include "src/buildtool/crypto/hash_generator.hpp"
+
+template <HashGenerator::HashType type>
+void test_single_hash(std::string const& bytes, std::string const& result) {
+    HashGenerator hash_gen{type};
+    auto digest = hash_gen.Run(bytes);
+    CHECK(digest.HexString() == result);
+}
+
+template <HashGenerator::HashType type>
+void test_increment_hash(std::string const& bytes, std::string const& result) {
+    HashGenerator hash_gen{type};
+    auto hasher = hash_gen.IncrementalHasher();
+    hasher.Update(bytes);
+    auto digest = std::move(hasher).Finalize();
+    CHECK(digest);
+    CHECK(digest->HexString() == result);
+}
+
+TEST_CASE("Hash Generator", "[crypto]") {
+    std::string bytes{"test"};
+
+    SECTION("MD5") {
+        // same as: echo -n test | md5sum
+        test_single_hash<HashGenerator::HashType::MD5>(
+            bytes, "098f6bcd4621d373cade4e832627b4f6");
+        test_increment_hash<HashGenerator::HashType::MD5>(
+            bytes, "098f6bcd4621d373cade4e832627b4f6");
+    }
+
+    SECTION("SHA-1") {
+        // same as: echo -n test | sha1sum
+        test_single_hash<HashGenerator::HashType::SHA1>(
+            bytes, "a94a8fe5ccb19ba61c4c0873d391e987982fbbd3");
+        test_increment_hash<HashGenerator::HashType::SHA1>(
+            bytes, "a94a8fe5ccb19ba61c4c0873d391e987982fbbd3");
+    }
+
+    SECTION("SHA-256") {
+        // same as: echo -n test | sha256sum
+        test_single_hash<HashGenerator::HashType::SHA256>(
+            bytes,
+            "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08");
+        test_increment_hash<HashGenerator::HashType::SHA256>(
+            bytes,
+            "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08");
+    }
+
+    SECTION("Git") {
+        // same as: echo -n test | git hash-object --stdin
+        test_single_hash<HashGenerator::HashType::GIT>(
+            bytes, "30d74d258442c7c65512eafab474568dd706c430");
+    }
+}