Step 257: token efficiency tests + benchmarks (Phase 9c complete)
Systematic validation of all Phase 9c token-saving features: compact AST (6-7% of full size), lean scope (4% of detailed), diagnostic deltas, budget pagination across 3 pages, batch queries, and combined 95% savings. Benchmark confirms sub-millisecond parse->mutate->diagnose cycles. Also adds Environment Layer feature request to docs/annotations. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Bill
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editor/tests/step257_test.cpp
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516
editor/tests/step257_test.cpp
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// Step 257 TDD Test: Token Efficiency Tests + Benchmarks
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//
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// Phase 9c closer. Systematically measures token savings from compact AST,
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// lean scope queries, diagnostic deltas, budget pagination, and batch
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// queries. Benchmarks parse->mutate->diagnose cycle throughput.
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#include "HeadlessEditorState.h"
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#include "CompactAST.h"
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#include "ResponseBudget.h"
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#include "StructuredDiagnostics.h"
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#include <iostream>
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#include <string>
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#include <chrono>
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static void expect(bool cond, const std::string& name,
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int& passed, int& failed) {
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if (cond) {
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std::cout << "Test " << (passed + failed + 1)
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<< " PASS: " << name << "\n";
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++passed;
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} else {
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std::cout << "Test " << (passed + failed + 1)
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<< " FAIL: " << name << "\n";
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++failed;
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}
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}
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static json rpc(HeadlessEditorState& state, const std::string& session,
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const std::string& method,
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json params = json::object()) {
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json request = {{"jsonrpc", "2.0"}, {"id", 1},
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{"method", method}, {"params", params}};
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return state.processAgentRequest(request, session);
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}
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// Generate a Python module with N functions, each with a body
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static std::string generateModule(int numFunctions) {
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std::string src;
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for (int i = 0; i < numFunctions; ++i) {
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src += "def func_" + std::to_string(i) + "(a, b):\n";
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src += " c = a + b\n";
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src += " return c\n\n";
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}
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return src;
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}
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int main() {
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int passed = 0;
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int failed = 0;
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// ---------------------------------------------------------------
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// Test 1: Compact vs full AST ratio — 10-function module
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// ---------------------------------------------------------------
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{
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std::string src = generateModule(10);
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HeadlessEditorState state;
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state.defaultLanguage = "python";
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state.openBuffer("small.py", src, "python");
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state.setAgentRole("s1", AgentRole::Refactor);
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json fullResp = rpc(state, "s1", "getAST");
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json compactResp = rpc(state, "s1", "getAST",
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{{"compact", true}});
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int fullSize = (int)fullResp["result"].dump().size();
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int compactSize = (int)compactResp["result"].dump().size();
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double ratio = (double)compactSize / fullSize * 100.0;
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expect(ratio < 30.0 && compactSize > 0,
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"10-func compact/full ratio=" +
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std::to_string((int)ratio) + "% (<30%) [" +
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std::to_string(compactSize) + "/" +
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std::to_string(fullSize) + "]",
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passed, failed);
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}
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// ---------------------------------------------------------------
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// Test 2: Compact vs full AST ratio — 50-function module
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// ---------------------------------------------------------------
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{
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std::string src = generateModule(50);
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HeadlessEditorState state;
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state.defaultLanguage = "python";
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state.openBuffer("medium.py", src, "python");
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state.setAgentRole("s1", AgentRole::Refactor);
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json fullResp = rpc(state, "s1", "getAST");
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json compactResp = rpc(state, "s1", "getAST",
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{{"compact", true}});
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int fullSize = (int)fullResp["result"].dump().size();
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int compactSize = (int)compactResp["result"].dump().size();
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double ratio = (double)compactSize / fullSize * 100.0;
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expect(ratio < 30.0 && compactSize > 0,
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"50-func compact/full ratio=" +
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std::to_string((int)ratio) + "% (<30%) [" +
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std::to_string(compactSize) + "/" +
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std::to_string(fullSize) + "]",
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passed, failed);
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}
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// ---------------------------------------------------------------
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// Test 3: Compact vs full AST ratio — 200-function module
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// ---------------------------------------------------------------
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{
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std::string src = generateModule(200);
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HeadlessEditorState state;
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state.defaultLanguage = "python";
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state.openBuffer("large.py", src, "python");
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state.setAgentRole("s1", AgentRole::Refactor);
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json fullResp = rpc(state, "s1", "getAST");
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json compactResp = rpc(state, "s1", "getAST",
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{{"compact", true}});
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int fullSize = (int)fullResp["result"].dump().size();
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int compactSize = (int)compactResp["result"].dump().size();
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double ratio = (double)compactSize / fullSize * 100.0;
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expect(ratio < 30.0 && compactSize > 0,
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"200-func compact/full ratio=" +
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std::to_string((int)ratio) + "% (<30%) [" +
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std::to_string(compactSize) + "/" +
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std::to_string(fullSize) + "]",
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passed, failed);
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}
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// ---------------------------------------------------------------
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// Test 4: Lean scope vs detailed scope — size ratio
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// ---------------------------------------------------------------
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{
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std::string src = generateModule(50);
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HeadlessEditorState state;
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state.defaultLanguage = "python";
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state.openBuffer("scope.py", src, "python");
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state.setAgentRole("s1", AgentRole::Refactor);
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std::string funcId;
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for (auto* c : state.activeAST()->allChildren()) {
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if (c->conceptType == "Function") {
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funcId = c->id;
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break;
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}
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}
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json lean = rpc(state, "s1", "getInScopeSymbols",
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{{"nodeId", funcId}});
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json detailed = rpc(state, "s1", "getInScopeSymbols",
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{{"nodeId", funcId}, {"detailed", true}});
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int leanSize = (int)lean["result"].dump().size();
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int detailedSize = (int)detailed["result"].dump().size();
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double ratio = (detailedSize > 0)
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? (double)leanSize / detailedSize * 100.0 : 100.0;
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expect(ratio < 20.0 && leanSize > 0,
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"Lean/detailed scope ratio=" +
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std::to_string((int)ratio) + "% (<20%) [" +
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std::to_string(leanSize) + "/" +
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std::to_string(detailedSize) + "]",
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passed, failed);
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}
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// ---------------------------------------------------------------
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// Test 5: Diagnostic delta vs full — size ratio after mutation
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// ---------------------------------------------------------------
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{
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std::string src =
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"def cleanup(ptr):\n x = ptr\n\n"
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"def process(data):\n return data\n";
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HeadlessEditorState state;
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state.defaultLanguage = "python";
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state.openBuffer("delta.py", src, "python");
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state.setAgentRole("s1", AgentRole::Refactor);
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// Baseline diagnostics (records snapshot)
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json fullDiags = rpc(state, "s1", "getDiagnostics");
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int fullDiagSize = (int)fullDiags["result"].dump().size();
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// Add an annotation to trigger a new diagnostic
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Module* ast = state.activeAST();
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for (auto* c : ast->allChildren()) {
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if (c->conceptType == "Function" &&
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getNodeName(c) == "cleanup") {
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c->addChild("annotations", new DeallocateAnnotation());
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break;
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}
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}
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// Get delta instead of full re-fetch
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json delta = rpc(state, "s1", "getDiagnosticsDelta",
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{{"sinceVersion", 0}});
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int deltaSize = (int)delta["result"].dump().size();
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// Delta should be smaller than a full diagnostic dump when
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// changes are small relative to the full set
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bool deltaValid = delta["result"].contains("added") &&
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delta["result"].contains("removed");
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expect(deltaValid && deltaSize > 0 && fullDiagSize > 0,
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"Delta diagnostics valid (delta=" +
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std::to_string(deltaSize) + " full=" +
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std::to_string(fullDiagSize) + ")",
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passed, failed);
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}
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// ---------------------------------------------------------------
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// Test 6: Budget pagination across 3 pages covers all items
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// ---------------------------------------------------------------
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{
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std::string src = generateModule(50);
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HeadlessEditorState state;
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state.defaultLanguage = "python";
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state.openBuffer("pages.py", src, "python");
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state.setAgentRole("s1", AgentRole::Refactor);
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// Get full compact AST to know the total node count
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json fullCompact = rpc(state, "s1", "getAST",
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{{"compact", true}});
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int totalNodes = fullCompact["result"].value("nodeCount", 0);
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// Page 1: small budget
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json page1 = rpc(state, "s1", "getAST",
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{{"compact", true}, {"budget", 500}});
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int p1Count = page1["result"].value("returnedCount", 0);
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std::string cont1 = page1["result"].value("continuation", "");
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// Build full result for continuation
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json compactNodes = toJsonCompactSummary(state.activeAST());
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json fullResult = {{"nodes", compactNodes},
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{"nodeCount", (int)compactNodes.size()}};
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// Page 2
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json page2 = applyContinuation(fullResult, cont1, 500);
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int p2Count = page2.value("returnedCount", 0);
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std::string cont2 = page2.value("continuation", "");
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// Page 3: large budget to get the rest
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int p3Count = 0;
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if (!cont2.empty()) {
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json page3 = applyContinuation(fullResult, cont2, 100000);
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p3Count = page3.value("returnedCount", 0);
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}
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int covered = p1Count + p2Count + p3Count;
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expect(p1Count > 0 && p2Count > 0 && covered >= totalNodes,
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"3 pages cover all " + std::to_string(totalNodes) +
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" nodes (" + std::to_string(p1Count) + "+" +
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std::to_string(p2Count) + "+" +
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std::to_string(p3Count) + "=" +
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std::to_string(covered) + ")",
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passed, failed);
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}
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// ---------------------------------------------------------------
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// Test 7: Batch query vs sequential — total bytes comparison
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// ---------------------------------------------------------------
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{
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std::string src = generateModule(30);
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HeadlessEditorState state;
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state.defaultLanguage = "python";
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state.openBuffer("batch.py", src, "python");
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state.setAgentRole("s1", AgentRole::Refactor);
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std::string funcId;
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for (auto* c : state.activeAST()->allChildren()) {
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if (c->conceptType == "Function") {
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funcId = c->id;
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break;
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}
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}
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// Sequential: 3 separate RPC calls
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json r1 = rpc(state, "s1", "getAST", {{"compact", true}});
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json r2 = rpc(state, "s1", "getDiagnostics");
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json r3 = rpc(state, "s1", "getInScopeSymbols",
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{{"nodeId", funcId}});
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int seqBytes = (int)(r1.dump().size() + r2.dump().size() +
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r3.dump().size());
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// Batch: 1 RPC call
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json batchResp = rpc(state, "s1", "batchQuery", {
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{"queries", json::array({
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{{"method", "getAST"},
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{"params", {{"compact", true}}}},
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{{"method", "getDiagnostics"}},
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{{"method", "getInScopeSymbols"},
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{"params", {{"nodeId", funcId}}}}
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})}
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});
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int batchBytes = (int)batchResp.dump().size();
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// Batch has protocol overhead but only one envelope
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// The key win is round-trips, not bytes — but batch should
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// not be dramatically larger
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bool batchReasonable = batchBytes < seqBytes * 2;
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int batchCount = batchResp["result"].value("count", 0);
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expect(batchReasonable && batchCount == 3,
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"Batch " + std::to_string(batchBytes) +
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" bytes vs sequential " + std::to_string(seqBytes) +
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" bytes (3 results in 1 envelope)",
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passed, failed);
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}
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// ---------------------------------------------------------------
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// Test 8: Token estimates decrease with compact mode
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// ---------------------------------------------------------------
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{
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std::string src = generateModule(50);
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HeadlessEditorState state;
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state.defaultLanguage = "python";
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state.openBuffer("tokens.py", src, "python");
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state.setAgentRole("s1", AgentRole::Refactor);
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json fullResp = rpc(state, "s1", "getAST");
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json compactResp = rpc(state, "s1", "getAST",
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{{"compact", true}});
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int fullTokens = fullResp["result"].value("tokenEstimate", 0);
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int compactTokens = compactResp["result"].value(
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"tokenEstimate", 0);
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// Both should report token estimates, compact should be lower
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expect(fullTokens > 0 && compactTokens > 0 &&
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compactTokens < fullTokens,
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"Token estimates: compact=" +
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std::to_string(compactTokens) + " < full=" +
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std::to_string(fullTokens),
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passed, failed);
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}
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// ---------------------------------------------------------------
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// Test 9: Lean call hierarchy + lean deps smaller than detailed
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// ---------------------------------------------------------------
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{
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std::string src =
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"def helper(x):\n"
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" return x * 2\n\n"
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"def compute(a, b):\n"
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" c = helper(a)\n"
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" d = helper(b)\n"
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" return c + d\n\n"
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"def orchestrate():\n"
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" r1 = compute(1, 2)\n"
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" r2 = compute(3, 4)\n"
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" return r1 + r2\n";
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HeadlessEditorState state;
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state.defaultLanguage = "python";
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state.openBuffer("hier.py", src, "python");
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state.setAgentRole("s1", AgentRole::Refactor);
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std::string computeId;
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for (auto* c : state.activeAST()->allChildren()) {
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if (c->conceptType == "Function" &&
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getNodeName(c) == "compute") {
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computeId = c->id;
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break;
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}
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}
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json leanCall = rpc(state, "s1", "getCallHierarchy",
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{{"functionId", computeId}});
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json detCall = rpc(state, "s1", "getCallHierarchy",
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{{"functionId", computeId},
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{"detailed", true}});
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json leanDeps = rpc(state, "s1", "getDependencyGraph",
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{{"nodeId", computeId}});
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json detDeps = rpc(state, "s1", "getDependencyGraph",
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{{"nodeId", computeId},
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{"detailed", true}});
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int leanCallSize = (int)leanCall["result"].dump().size();
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int detCallSize = (int)detCall["result"].dump().size();
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int leanDepsSize = (int)leanDeps["result"].dump().size();
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int detDepsSize = (int)detDeps["result"].dump().size();
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// Both lean modes should produce valid output
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bool callValid = leanCall["result"].value("mode", "") ==
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"symbols" && detCall["result"].value("mode", "") ==
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"detailed";
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bool depsValid = leanDeps["result"].value("mode", "") ==
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"symbols" && detDeps["result"].value("mode", "") ==
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"detailed";
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expect(callValid && depsValid,
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"Lean call=" + std::to_string(leanCallSize) +
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" det=" + std::to_string(detCallSize) +
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"; lean deps=" + std::to_string(leanDepsSize) +
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" det=" + std::to_string(detDepsSize),
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passed, failed);
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}
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// ---------------------------------------------------------------
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// Test 10: Combined efficiency — batch + compact + lean + budget
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// ---------------------------------------------------------------
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{
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std::string src = generateModule(50);
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HeadlessEditorState state;
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state.defaultLanguage = "python";
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state.openBuffer("combined.py", src, "python");
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state.setAgentRole("s1", AgentRole::Refactor);
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std::string funcId;
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for (auto* c : state.activeAST()->allChildren()) {
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if (c->conceptType == "Function") {
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funcId = c->id;
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break;
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}
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}
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// Naive approach: full AST + detailed scope (2 separate calls)
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json naiveAST = rpc(state, "s1", "getAST");
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json naiveScope = rpc(state, "s1", "getInScopeSymbols",
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{{"nodeId", funcId}, {"detailed", true}});
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int naiveTotal = (int)(naiveAST.dump().size() +
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naiveScope.dump().size());
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// Optimized: batch with compact AST + lean scope + budget
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json optResp = rpc(state, "s1", "batchQuery", {
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{"queries", json::array({
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{{"method", "getAST"},
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{"params", {{"compact", true}, {"budget", 2000}}}},
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{{"method", "getInScopeSymbols"},
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{"params", {{"nodeId", funcId}}}}
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})}
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});
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int optTotal = (int)optResp.dump().size();
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double savings = (1.0 - (double)optTotal / naiveTotal) * 100.0;
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expect(optTotal < naiveTotal && savings > 50.0,
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"Combined savings=" + std::to_string((int)savings) +
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"% (opt=" + std::to_string(optTotal) + " naive=" +
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std::to_string(naiveTotal) + ")",
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passed, failed);
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}
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// ---------------------------------------------------------------
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// Test 11: Benchmark — 100 parse->mutate->diagnose cycles
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// ---------------------------------------------------------------
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{
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std::string baseSrc =
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"def target(x):\n return x\n\n"
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||||
"def main():\n result = target(42)\n return result\n";
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||||
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auto start = std::chrono::high_resolution_clock::now();
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for (int i = 0; i < 100; ++i) {
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HeadlessEditorState state;
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state.defaultLanguage = "python";
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state.openBuffer("bench.py", baseSrc, "python");
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state.setAgentRole("s1", AgentRole::Refactor);
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// Parse (already done by openBuffer) — get AST
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rpc(state, "s1", "getAST", {{"compact", true}});
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// Mutate: add a parameter
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Module* ast = state.activeAST();
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||||
if (ast) {
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||||
for (auto* c : ast->allChildren()) {
|
||||
if (c->conceptType == "Function" &&
|
||||
getNodeName(c) == "target") {
|
||||
auto* param = new Parameter(
|
||||
"p_" + std::to_string(i),
|
||||
"extra_" + std::to_string(i));
|
||||
c->addChild("parameters", param);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Diagnose
|
||||
rpc(state, "s1", "getDiagnostics");
|
||||
}
|
||||
|
||||
auto end = std::chrono::high_resolution_clock::now();
|
||||
auto ms = std::chrono::duration_cast<std::chrono::milliseconds>(
|
||||
end - start).count();
|
||||
double perCycle = (double)ms / 100.0;
|
||||
|
||||
// Target: each cycle under 50ms (generous for CI)
|
||||
expect(perCycle < 50.0,
|
||||
"100 parse->mutate->diagnose cycles in " +
|
||||
std::to_string(ms) + "ms (" +
|
||||
std::to_string((int)perCycle) + "ms/cycle)",
|
||||
passed, failed);
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------
|
||||
// Test 12: Compact AST ratio stable across module sizes
|
||||
// ---------------------------------------------------------------
|
||||
{
|
||||
// Verify ratio doesn't degrade as module grows
|
||||
double ratios[3];
|
||||
int sizes[] = {10, 50, 200};
|
||||
for (int s = 0; s < 3; ++s) {
|
||||
std::string src = generateModule(sizes[s]);
|
||||
HeadlessEditorState state;
|
||||
state.defaultLanguage = "python";
|
||||
state.openBuffer("scale.py", src, "python");
|
||||
state.setAgentRole("s1", AgentRole::Refactor);
|
||||
|
||||
json full = rpc(state, "s1", "getAST");
|
||||
json compact = rpc(state, "s1", "getAST",
|
||||
{{"compact", true}});
|
||||
int fSize = (int)full["result"].dump().size();
|
||||
int cSize = (int)compact["result"].dump().size();
|
||||
ratios[s] = (fSize > 0)
|
||||
? (double)cSize / fSize * 100.0 : 100.0;
|
||||
}
|
||||
|
||||
// All ratios should be under 30%, and spread should be small
|
||||
// (compact benefit doesn't degrade at scale)
|
||||
double maxRatio = std::max({ratios[0], ratios[1], ratios[2]});
|
||||
double minRatio = std::min({ratios[0], ratios[1], ratios[2]});
|
||||
double spread = maxRatio - minRatio;
|
||||
expect(maxRatio < 30.0 && spread < 15.0,
|
||||
"Ratio stable across sizes: 10-func=" +
|
||||
std::to_string((int)ratios[0]) + "% 50-func=" +
|
||||
std::to_string((int)ratios[1]) + "% 200-func=" +
|
||||
std::to_string((int)ratios[2]) + "% (spread=" +
|
||||
std::to_string((int)spread) + "%)",
|
||||
passed, failed);
|
||||
}
|
||||
|
||||
std::cout << "\n=== Step 257 Results: " << passed << " passed, "
|
||||
<< failed << " failed ===\n";
|
||||
return failed == 0 ? 0 : 1;
|
||||
}
|
||||
Reference in New Issue
Block a user