From: Matt Corallo <git@bluematt.me>
Date: Mon, 17 Jan 2022 14:01:50 +0000 (+0000)
Subject: [TS] Manually GC on chromium and skip leak checks otherwise
X-Git-Tag: v0.0.105.0~4^2~3
X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=ldk-java;a=commitdiff_plain;h=40b7e67db32b5e966de508ccf410b32d62864dfa

[TS] Manually GC on chromium and skip leak checks otherwise
---

diff --git a/ts/test/browser.mjs b/ts/test/browser.mjs
index 0d9e9dd9..5f65191a 100644
--- a/ts/test/browser.mjs
+++ b/ts/test/browser.mjs
@@ -2,7 +2,11 @@ import { chromium, firefox, webkit } from 'playwright';
 import { strict as assert } from 'assert';
 
 for (const browserType of [chromium, firefox]) { // We'd like to test webkit, but playwright doesn't support it on Debian (?!)
-	const browser = await browserType.launch();
+	var browser;
+	if (browserType == chromium)
+		browser = await browserType.launch(["--js-flags=\"--expose-gc\""]);
+	else
+		browser = await browserType.launch();
 	const context = await browser.newContext();
 	const page = await context.newPage();
 	page.on('console', async msg => {
@@ -12,9 +16,13 @@ for (const browserType of [chromium, firefox]) { // We'd like to test webkit, bu
 		console.log(...values);
 	});
 	await page.goto('http://localhost:8000/test/index.html');
-	const ret = await page.evaluate(() => {
-		return test_runner('../liblightningjs.wasm');
-	});
+	var ret;
+	// On chromium we expose the GC and can run it manually, otherwise we really can't leak-check
+	if (browserType == chromium) {
+		ret = await page.evaluate(() => { return test_runner('../liblightningjs.wasm', true); });
+	} else {
+		ret = await page.evaluate(() => { return test_runner('../liblightningjs.wasm', false); });
+	}
 	assert(ret);
 
 	await browser.close();
diff --git a/ts/test/tests.mts b/ts/test/tests.mts
index 751d7ddf..4299f3b8 100644
--- a/ts/test/tests.mts
+++ b/ts/test/tests.mts
@@ -197,7 +197,7 @@ tests.push(async () => {
 	return true;
 });
 
-export async function run_tests(wasm_path: string) {
+export async function run_tests(wasm_path: string, check_leaks: boolean = true) {
 	await rawldk.initializeWasm(wasm_path);
 
 	var test_runs = [];
@@ -208,7 +208,7 @@ export async function run_tests(wasm_path: string) {
 	console.log("test results: " + results);
 	const result = results.every((v) => { return v === true });
 	console.log("all tests passed: " + result);
-	if (result !== true) { return result; }
+	if (result !== true || !check_leaks) { return result; }
 
 	const allocs_finished = new Promise((resolve, reject) => {
 		var loop_count = 0;
@@ -216,10 +216,15 @@ export async function run_tests(wasm_path: string) {
 			const alloc_count = rawldk.getRemainingAllocationCount();
 			if (loop_count % 20 == 0)
 				console.log("Remaining LDK allocation count: " + alloc_count);
+
+			// chromium with --js-flags="--expose-gc" exposes a `window.gc()` which we call if we can
+			// @ts-ignore window.gc is considered a type error in TS
+			if (typeof window !== "undefined" && typeof window.gc !== "undefined") window.gc();
+
 			// Note that there are currently 9 leaks in the above tests. At least some are known - look for XXX in bindings.c
-			if (alloc_count <= 10) { resolve(true); clearInterval(interval_id); }
+			if (alloc_count <= 10) { clearInterval(interval_id); rawldk.debugPrintRemainingAllocs(); resolve(true); }
 			loop_count += 1;
-			if (loop_count > 30*2) { resolve(false); clearInterval(interval_id); rawldk.debugPrintRemainingAllocs(); }
+			if (loop_count > 30*2) { clearInterval(interval_id); rawldk.debugPrintRemainingAllocs(); resolve(false); }
 		}, 500);
 	});
 	return allocs_finished;