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src,test: add full-featured embedder API test
Backport-PR-URL: #35241 PR-URL: #30467 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| #include "node.h" | ||
| #include "uv.h" | ||
| #include <assert.h> | ||
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| // Note: This file is being referred to from doc/api/embedding.md, and excerpts | ||
| // from it are included in the documentation. Try to keep these in sync. | ||
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|
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| using node::ArrayBufferAllocator; | ||
| using node::Environment; | ||
| using node::IsolateData; | ||
| using node::MultiIsolatePlatform; | ||
| using v8::Context; | ||
| using v8::HandleScope; | ||
| using v8::Isolate; | ||
| using v8::Local; | ||
| using v8::Locker; | ||
| using v8::MaybeLocal; | ||
| using v8::SealHandleScope; | ||
| using v8::Value; | ||
| using v8::V8; | ||
|
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| static int RunNodeInstance(MultiIsolatePlatform* platform, | ||
| const std::vector<std::string>& args, | ||
| const std::vector<std::string>& exec_args); | ||
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| int main(int argc, char** argv) { | ||
| std::vector<std::string> args(argv, argv + argc); | ||
| std::vector<std::string> exec_args; | ||
| std::vector<std::string> errors; | ||
| int exit_code = node::InitializeNodeWithArgs(&args, &exec_args, &errors); | ||
| for (const std::string& error : errors) | ||
| fprintf(stderr, "%s: %s\n", args[0].c_str(), error.c_str()); | ||
| if (exit_code != 0) { | ||
| return exit_code; | ||
| } | ||
|
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| std::unique_ptr<MultiIsolatePlatform> platform = | ||
| MultiIsolatePlatform::Create(4); | ||
| V8::InitializePlatform(platform.get()); | ||
| V8::Initialize(); | ||
|
|
||
| int ret = RunNodeInstance(platform.get(), args, exec_args); | ||
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| V8::Dispose(); | ||
| V8::ShutdownPlatform(); | ||
| return ret; | ||
| } | ||
|
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| int RunNodeInstance(MultiIsolatePlatform* platform, | ||
| const std::vector<std::string>& args, | ||
| const std::vector<std::string>& exec_args) { | ||
| int exit_code = 0; | ||
| uv_loop_t loop; | ||
| int ret = uv_loop_init(&loop); | ||
| if (ret != 0) { | ||
| fprintf(stderr, "%s: Failed to initialize loop: %s\n", | ||
| args[0].c_str(), | ||
| uv_err_name(ret)); | ||
| return 1; | ||
| } | ||
|
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| std::shared_ptr<ArrayBufferAllocator> allocator = | ||
| ArrayBufferAllocator::Create(); | ||
|
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| Isolate* isolate = NewIsolate(allocator.get(), &loop, platform); | ||
| if (isolate == nullptr) { | ||
| fprintf(stderr, "%s: Failed to initialize V8 Isolate\n", args[0].c_str()); | ||
| return 1; | ||
| } | ||
|
|
||
| { | ||
| Locker locker(isolate); | ||
| Isolate::Scope isolate_scope(isolate); | ||
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| std::unique_ptr<IsolateData, decltype(&node::FreeIsolateData)> isolate_data( | ||
| node::CreateIsolateData(isolate, &loop, platform, allocator.get()), | ||
| node::FreeIsolateData); | ||
|
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||
| HandleScope handle_scope(isolate); | ||
| Local<Context> context = node::NewContext(isolate); | ||
| if (context.IsEmpty()) { | ||
| fprintf(stderr, "%s: Failed to initialize V8 Context\n", args[0].c_str()); | ||
| return 1; | ||
| } | ||
|
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| Context::Scope context_scope(context); | ||
| std::unique_ptr<Environment, decltype(&node::FreeEnvironment)> env( | ||
| node::CreateEnvironment(isolate_data.get(), context, args, exec_args), | ||
| node::FreeEnvironment); | ||
|
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||
| MaybeLocal<Value> loadenv_ret = node::LoadEnvironment( | ||
| env.get(), | ||
| "const publicRequire =" | ||
| " require('module').createRequire(process.cwd() + '/');" | ||
| "globalThis.require = publicRequire;" | ||
| "require('vm').runInThisContext(process.argv[1]);"); | ||
|
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| if (loadenv_ret.IsEmpty()) // There has been a JS exception. | ||
| return 1; | ||
|
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||
| { | ||
| SealHandleScope seal(isolate); | ||
| bool more; | ||
| do { | ||
| uv_run(&loop, UV_RUN_DEFAULT); | ||
|
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| platform->DrainTasks(isolate); | ||
| more = uv_loop_alive(&loop); | ||
| if (more) continue; | ||
|
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| node::EmitBeforeExit(env.get()); | ||
| more = uv_loop_alive(&loop); | ||
| } while (more == true); | ||
| } | ||
|
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| exit_code = node::EmitExit(env.get()); | ||
|
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| node::Stop(env.get()); | ||
| } | ||
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| bool platform_finished = false; | ||
| platform->AddIsolateFinishedCallback(isolate, [](void* data) { | ||
| *static_cast<bool*>(data) = true; | ||
| }, &platform_finished); | ||
| platform->UnregisterIsolate(isolate); | ||
| isolate->Dispose(); | ||
|
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||
| // Wait until the platform has cleaned up all relevant resources. | ||
| while (!platform_finished) | ||
| uv_run(&loop, UV_RUN_ONCE); | ||
| int err = uv_loop_close(&loop); | ||
| assert(err == 0); | ||
|
|
||
| return exit_code; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| 'use strict'; | ||
| const common = require('../common'); | ||
| const assert = require('assert'); | ||
| const child_process = require('child_process'); | ||
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| common.allowGlobals(global.require); | ||
|
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| assert.strictEqual( | ||
| child_process.spawnSync(process.execPath, ['console.log(42)']) | ||
| .stdout.toString().trim(), | ||
| '42'); | ||
|
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| assert.strictEqual( | ||
| child_process.spawnSync(process.execPath, ['throw new Error()']).status, | ||
| 1); | ||
|
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| assert.strictEqual( | ||
| child_process.spawnSync(process.execPath, ['process.exitCode = 8']).status, | ||
| 8); |