Step 131: stub-based library indexing

2026-02-09 17:00:55 -07:00
parent 42ee684087
commit ae95aeb303
7 changed files with 336 additions and 2 deletions
--- a/editor/tests/step131_test.cpp
+++ b/editor/tests/step131_test.cpp
@@ -0,0 +1,78 @@
+// Step 131 TDD Test: Library API indexing via type stubs
+#include "StubParser.h"
+#include "LibraryIndexer.h"
+#include <iostream>
+#include <filesystem>
+#include <fstream>
+
+static void expect(bool cond, const std::string& name, int& passed, int& failed) {
+    if (cond) {
+        std::cout << "Test " << (passed + failed + 1) << " PASS: " << name << "\n";
+        ++passed;
+    } else {
+        std::cout << "Test " << (passed + failed + 1) << " FAIL: " << name << "\n";
+        ++failed;
+    }
+}
+
+int main() {
+    int passed = 0;
+    int failed = 0;
+
+    std::filesystem::path dir = std::filesystem::current_path() / "stub_test_tmp";
+    std::filesystem::remove_all(dir);
+    std::filesystem::create_directories(dir / "mylib");
+
+    {
+        std::ofstream out(dir / "mylib" / "mylib.pyi");
+        out << "def foo(x: int) -> int: ...\nclass Bar: ...\nCONST: int\n";
+    }
+    {
+        std::ofstream out(dir / "mylib" / "index.d.ts");
+        out << "export function baz(x: number): number;\nexport interface Thing {}\n";
+    }
+    {
+        std::ofstream out(dir / "mylib" / "mylib.h");
+        out << "int add(int a, int b);\nclass Widget;\n";
+    }
+    {
+        std::filesystem::create_directories(dir / "mylib" / "src");
+        std::ofstream out(dir / "mylib" / "src" / "lib.rs");
+        out << "pub fn qux(x: i32) -> i32 { x }\npub struct Gizmo {}\n";
+    }
+
+    auto py = StubParser::parseFile((dir / "mylib" / "mylib.pyi").string(), "python");
+    expect(py.size() >= 2, "python stub parsed", passed, failed);
+
+    auto ts = StubParser::parseFile((dir / "mylib" / "index.d.ts").string(), "typescript");
+    expect(ts.size() >= 2, "typescript stub parsed", passed, failed);
+
+    auto hdr = StubParser::parseFile((dir / "mylib" / "mylib.h").string(), "cpp");
+    expect(!hdr.empty(), "header stub parsed", passed, failed);
+
+    auto rs = StubParser::parseFile((dir / "mylib" / "src" / "lib.rs").string(), "rust");
+    expect(rs.size() >= 2, "rust stub parsed", passed, failed);
+
+    auto scanned = StubParser::scanWorkspaceForLibrary(dir.string(), "mylib", "python");
+    expect(!scanned.empty(), "scan workspace finds stubs", passed, failed);
+
+    LibraryIndexData index;
+    std::vector<DependencySpec> deps;
+    deps.push_back({"mylib", "0.1.0", "requirements.txt"});
+    applyStubFallback(index, deps, dir.string());
+    expect(index.completionsByLibrary.count("mylib") == 1, "stub fallback fills index", passed, failed);
+
+    Module mod("m1", "Module", "python");
+    rebuildExternalModules(&mod, deps, index);
+    auto ext = mod.getChildren("externalModules");
+    expect(!ext.empty(), "external module created from stubs", passed, failed);
+    if (!ext.empty()) {
+        auto sigs = ext[0]->getChildren("signatures");
+        expect(!sigs.empty(), "signatures attached", passed, failed);
+    }
+
+    std::filesystem::remove_all(dir);
+
+    std::cout << "\n=== Step 131 Results: " << passed << " passed, " << failed << " failed ===\n";
+    return failed == 0 ? 0 : 1;
+}