[pitboss] phase 19: Track M.1 — ClassMethod end-to-end (all langs)

tests/class_method_corpus.rs

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+//! Phase 19 (Track M.1) — `ClassMethod` end-to-end acceptance.
+//!
+//! Asserts the new `EntryKind::ClassMethod { class, method }` variant
+//! is supported by every per-language emitter so the
+//! `Inconclusive(EntryKindUnsupported { attempted: ClassMethod })`
+//! rate drops to 0% across the ten supported languages.  Each
+//! sub-test constructs a `HarnessSpec` whose `entry_kind` is
+//! `ClassMethod`, drives it through `lang::emit`, and checks the
+//! harness source carries the matching `class` + `method` literal
+//! plus the per-lang structural marker (probe shim, build command,
+//! mock-class declaration when applicable).
+//!
+//! `cargo nextest run --features dynamic --test class_method_corpus`.
+
+#![cfg(feature = "dynamic")]
+
+use nyx_scanner::dynamic::lang;
+use nyx_scanner::dynamic::spec::{EntryKind, EntryKindTag, HarnessSpec, PayloadSlot};
+use nyx_scanner::dynamic::stubs::{mock_source, MockKind};
+use nyx_scanner::labels::Cap;
+use nyx_scanner::symbol::Lang;
+
+const LANGS: &[Lang] = &[
+    Lang::Python,
+    Lang::JavaScript,
+    Lang::TypeScript,
+    Lang::Java,
+    Lang::Php,
+    Lang::Ruby,
+    Lang::Go,
+    Lang::Rust,
+    Lang::C,
+    Lang::Cpp,
+];
+
+fn entry_file(lang: Lang) -> &'static str {
+    match lang {
+        Lang::Python => "tests/dynamic_fixtures/class_method/python/vuln.py",
+        Lang::JavaScript => "tests/dynamic_fixtures/class_method/javascript/vuln.js",
+        Lang::TypeScript => "tests/dynamic_fixtures/class_method/typescript/vuln.ts",
+        Lang::Java => "tests/dynamic_fixtures/class_method/java/Vuln.java",
+        Lang::Php => "tests/dynamic_fixtures/class_method/php/vuln.php",
+        Lang::Ruby => "tests/dynamic_fixtures/class_method/ruby/vuln.rb",
+        Lang::Go => "tests/dynamic_fixtures/class_method/go/vuln.go",
+        Lang::Rust => "tests/dynamic_fixtures/class_method/rust/vuln.rs",
+        Lang::C => "tests/dynamic_fixtures/class_method/c/vuln.c",
+        Lang::Cpp => "tests/dynamic_fixtures/class_method/cpp/vuln.cpp",
+    }
+}
+
+fn class_for(lang: Lang) -> (&'static str, &'static str) {
+    match lang {
+        Lang::Python => ("UserRepository", "find_by_name"),
+        Lang::Java => ("UserRepository", "findByName"),
+        Lang::C => ("UserService", "run"),
+        _ => ("UserService", "run"),
+    }
+}
+
+fn make_spec(lang: Lang) -> HarnessSpec {
+    let (class, method) = class_for(lang);
+    HarnessSpec {
+        finding_id: "phase19classmth1".into(),
+        entry_file: entry_file(lang).into(),
+        entry_name: method.into(),
+        entry_kind: EntryKind::ClassMethod {
+            class: class.into(),
+            method: method.into(),
+        },
+        lang,
+        toolchain_id: "phase19".into(),
+        payload_slot: PayloadSlot::Param(0),
+        expected_cap: Cap::CODE_EXEC,
+        constraint_hints: vec![],
+        sink_file: entry_file(lang).into(),
+        sink_line: 1,
+        spec_hash: "phase19classmth1".into(),
+        derivation: nyx_scanner::dynamic::spec::SpecDerivationStrategy::FromFlowSteps,
+        stubs_required: vec![],
+        framework: None,
+        java_toolchain: nyx_scanner::dynamic::spec::JavaToolchain::default(),
+    }
+}
+
+#[test]
+fn class_method_supported_by_every_lang_emitter() {
+    for lang in LANGS {
+        let supported = lang::entry_kinds_supported(*lang);
+        assert!(
+            supported.contains(&EntryKindTag::ClassMethod),
+            "{lang:?} must advertise ClassMethod after Phase 19; supported = {supported:?}",
+        );
+    }
+}
+
+#[test]
+fn class_method_emit_does_not_short_circuit_to_entry_kind_unsupported() {
+    for lang in LANGS {
+        let spec = make_spec(*lang);
+        let result = lang::emit(&spec);
+        assert!(
+            result.is_ok(),
+            "{lang:?} emit returned {result:?} for ClassMethod spec"
+        );
+    }
+}
+
+#[test]
+fn class_method_harness_carries_class_and_method_literal() {
+    for lang in LANGS {
+        let spec = make_spec(*lang);
+        let h = lang::emit(&spec).expect("emit ok");
+        let (class, method) = class_for(*lang);
+        assert!(
+            h.source.contains(class),
+            "{lang:?} harness source must reference class {class:?}",
+        );
+        assert!(
+            h.source.contains(method),
+            "{lang:?} harness source must reference method {method:?}",
+        );
+    }
+}
+
+#[test]
+fn class_method_harness_splices_phase_19_mock_classes_where_lang_has_classes() {
+    // Languages with a class system embed the MockHttpClient /
+    // MockDatabaseConnection / MockLogger declarations the
+    // `stubs::mocks` registry publishes.  Go uses a struct registry
+    // routed through the entry package and does not splice the
+    // doubles into the harness source; C has no class system.
+    // Rust's ClassMethod path uses Default::default() — no mocks.
+    let class_system_langs = [
+        Lang::Python,
+        Lang::JavaScript,
+        Lang::TypeScript,
+        Lang::Java,
+        Lang::Php,
+        Lang::Ruby,
+    ];
+    for lang in class_system_langs {
+        let spec = make_spec(lang);
+        let h = lang::emit(&spec).expect("emit ok");
+        let mock_http = mock_source(MockKind::HttpClient, lang);
+        assert!(
+            h.source.contains("MockHttpClient"),
+            "{lang:?} harness must splice MockHttpClient",
+        );
+        assert!(!mock_http.is_empty());
+    }
+}
+
+#[test]
+fn class_method_python_dispatch_reads_payload_and_invokes_method() {
+    let spec = make_spec(Lang::Python);
+    let h = lang::emit(&spec).expect("emit ok");
+    assert!(h.source.contains("NYX_PAYLOAD"));
+    assert!(h.source.contains("UserRepository"));
+    assert!(h.source.contains("find_by_name"));
+    assert!(h.source.contains("_nyx_build_receiver"));
+}
+
+#[test]
+fn class_method_java_emits_reflective_dispatch() {
+    let spec = make_spec(Lang::Java);
+    let h = lang::emit(&spec).expect("emit ok");
+    assert!(h.source.contains("Class.forName"));
+    assert!(h.source.contains("nyxBuildReceiver"));
+    assert!(h.source.contains("UserRepository"));
+}
+
+#[test]
+fn class_method_go_uses_reflect_receivers_registry() {
+    let spec = make_spec(Lang::Go);
+    let h = lang::emit(&spec).expect("emit ok");
+    assert!(h.source.contains("entry.NyxReceivers"));
+    assert!(h.source.contains("MethodByName"));
+}
+
+#[test]
+fn class_method_rust_uses_default_constructor() {
+    let spec = make_spec(Lang::Rust);
+    let h = lang::emit(&spec).expect("emit ok");
+    assert!(h.source.contains("UserService::default()"));
+    assert!(h.source.contains("instance.run"));
+}
+
+#[test]
+fn class_method_c_collapses_to_class_underscore_method_symbol() {
+    let spec = make_spec(Lang::C);
+    let h = lang::emit(&spec).expect("emit ok");
+    assert!(h.source.contains("UserService_run"));
+}
+
+#[test]
+fn class_method_cpp_constructs_default_then_calls_method() {
+    let spec = make_spec(Lang::Cpp);
+    let h = lang::emit(&spec).expect("emit ok");
+    assert!(h.source.contains("UserService instance;"));
+    assert!(h.source.contains("instance.run"));
+}