test(dependency-resolver): port DefaultPolicy/PoolBuilder/PoolOptimizer/Solver as stubs

All ignored: they build Pools/run the Solver over packages whose constraint
parsing uses a look-around regex the regex crate cannot compile, with
fixture-heavy setup. setUp/tearDown not ported.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/crates/shirabe/tests/dependency_resolver/pool_optimizer_test.rs b/crates/shirabe/tests/dependency_resolver/pool_optimizer_test.rs
index bf7592e..a25aec6 100644
--- a/crates/shirabe/tests/dependency_resolver/pool_optimizer_test.rs
+++ b/crates/shirabe/tests/dependency_resolver/pool_optimizer_test.rs
@@ -1 +1,9 @@
 //! ref: composer/tests/Composer/Test/DependencyResolver/PoolOptimizerTest.php
+
+// testPoolOptimizer is a large fixture-driven case building and optimizing a Pool;
+// constraint parsing uses a look-around regex the regex crate cannot compile.
+#[test]
+#[ignore = "not yet ported (fixture-driven PoolOptimizer; constraint parsing uses a look-around regex)"]
+fn test_pool_optimizer() {
+    todo!()
+}