Add a utility function to rewrite path strings relative to a subdirectory

1 files changed, 45 insertions, 0 deletions

diff --git a/test/utils/cpp/path_rebase.test.cpp b/test/utils/cpp/path_rebase.test.cpp
new file mode 100644
index 00000000..79a13fb5
--- /dev/null
+++ b/test/utils/cpp/path_rebase.test.cpp
@@ -0,0 +1,45 @@
+// Copyright 2024 Huawei Cloud Computing Technology Co., Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "catch2/catch_test_macros.hpp"
+#include "src/utils/cpp/path_rebase.hpp"
+
+TEST_CASE("rebase", "[path_rebase]") {
+    CHECK(RebasePathStringRelativeTo("work", "work/foo/bar") == "foo/bar");
+    CHECK(RebasePathStringRelativeTo("work", "work/foo") == "foo");
+    CHECK(RebasePathStringRelativeTo("work", "work") == ".");
+    CHECK(RebasePathStringRelativeTo("work", "other/foo.txt") ==
+          "../other/foo.txt");
+    CHECK(RebasePathStringRelativeTo("work/foo", "foo.txt") == "../../foo.txt");
+    CHECK(RebasePathStringRelativeTo("work/foo", "work/foo/bar") == "bar");
+    CHECK(RebasePathStringRelativeTo("work/foo", "work/foo") == ".");
+    CHECK(RebasePathStringRelativeTo("work/foo", "work") == "..");
+}
+
+TEST_CASE("no change", "[path_rebase]") {
+    CHECK(RebasePathStringRelativeTo("", "work/foo/bar") == "work/foo/bar");
+    CHECK(RebasePathStringRelativeTo(".", "work/foo/bar") == "work/foo/bar");
+    CHECK(RebasePathStringRelativeTo("", ".") == ".");
+    CHECK(RebasePathStringRelativeTo("", "") == ".");
+}
+
+TEST_CASE("vector rebse", "[path_rebase]") {
+    std::vector<std::string> input{
+        "work/foo.txt", "work/bar/baz.txt", "other/out.txt"};
+    auto output = RebasePathStringsRelativeTo("work", input);
+    REQUIRE(output.size() == 3);
+    CHECK(output[0] == "foo.txt");
+    CHECK(output[1] == "bar/baz.txt");
+    CHECK(output[2] == "../other/out.txt");
+}