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nodejs: download prebuilt add-on at runtime

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shum
2026-10-10 12:27:31 +00:00
parent f9071033c0
commit 6f2fb68b2d
41 changed files with 268 additions and 111 deletions
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packages/simplex-chat-nodejs/tests/loader.test.ts
+13 -3
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@@ -2,13 +2,14 @@ import {spawnSync} from "child_process"
import * as path from "path"
jest.mock("../src/simplex", () => ({load: jest.fn()}))
jest.mock("../src/libs", () => ({libPath: jest.requireActual("../src/libs").libPath, resolveLibsDir: jest.fn()}))
jest.mock("../src/libs", () => ({libPath: jest.requireActual("../src/libs").libPath, resolveLibsDir: jest.fn(), resolveAddonPath: jest.fn()}))
const PACKAGE_DIR = path.join(__dirname, "..")
const ADDON = path.join(PACKAGE_DIR, "build", "Release", "simplex.node")
const CHILD_TIMEOUT_MS = 10000
const LIBS_DIR = path.resolve("libs")
const SWITCH_ERROR = "libsimplex already loaded with backend=sqlite; cannot switch to postgres in the same process"
const ADDON_PATH = path.resolve("simplex.node")
const {libPath} = jest.requireActual<typeof import("../src/libs")>("../src/libs")
function runAddon(script: string): string {
@@ -19,9 +20,11 @@ function runAddon(script: string): string {
function freshCore(): {core: typeof import("../src/core"), resolveLibsDir: jest.Mock, load: jest.Mock} {
let modules!: ReturnType<typeof freshCore>
jest.isolateModules(() => {
const libs = require("../src/libs")
libs.resolveAddonPath.mockResolvedValue(ADDON_PATH)
modules = {
core: require("../src/core"),
resolveLibsDir: require("../src/libs").resolveLibsDir,
resolveLibsDir: libs.resolveLibsDir,
load: require("../src/simplex").load,
}
})
@@ -56,6 +59,13 @@ describe("native load", () => {
})
})
describe("add-on module", () => {
it("rejects FFI calls before the add-on is loaded", () => {
const simplex = jest.requireActual<typeof import("../src/simplex")>("../src/simplex")
expect(() => simplex.chat_send_cmd(BigInt(1), "/v")).toThrow("libsimplex is not loaded, call core.loadLibrary(backend) first")
})
})
describe("loadLibrary", () => {
it("shares one load between concurrent calls", async () => {
const {core, resolveLibsDir, load} = freshCore()
@@ -65,7 +75,7 @@ describe("loadLibrary", () => {
expect(second).toBe(first)
await Promise.all([first, second])
expect(resolveLibsDir).toHaveBeenCalledTimes(1)
expect(load.mock.calls).toEqual([[libPath(LIBS_DIR)]])
expect(load.mock.calls).toEqual([[ADDON_PATH, libPath(LIBS_DIR)]])
})
it("refuses to switch backend while the first load is in progress", async () => {