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denoland-deno/core/libdeno/modules_test.cc
Ryan Dahl e438ac2c74
Add op_id throughout op API (#2734) 
Removes the magic number hack to switch between flatbuffers and the
minimal dispatcher.

Adds machinery to pass the op_id through the shared_queue.
2019-08-07 14:02:29 -04:00

426 lines
14 KiB
C++
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// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
#include "test.h"
static int exec_count = 0;
void recv_cb(void* user_data, deno_op_id op_id, deno_buf buf,
deno_pinned_buf zero_copy_buf) {
// We use this to check that scripts have executed.
EXPECT_EQ(1u, buf.data_len);
EXPECT_EQ(42u, op_id);
EXPECT_EQ(buf.data_ptr[0], 4);
EXPECT_EQ(zero_copy_buf.data_ptr, nullptr);
EXPECT_EQ(zero_copy_buf.data_len, 0u);
EXPECT_EQ(zero_copy_buf.pin, nullptr);
exec_count++;
}
TEST(ModulesTest, Resolution) {
exec_count = 0; // Reset
Deno* d = deno_new(deno_config{0, empty_snapshot, empty, recv_cb, nullptr});
EXPECT_EQ(0, exec_count);
static deno_mod a = deno_mod_new(d, true, "a.js",
"import { b } from 'b.js'\n"
"if (b() != 'b') throw Error();\n"
"Deno.core.send(42, new Uint8Array([4]));");
EXPECT_NE(a, 0);
EXPECT_EQ(nullptr, deno_last_exception(d));
const char* b_src = "export function b() { return 'b' }";
static deno_mod b = deno_mod_new(d, false, "b.js", b_src);
EXPECT_NE(b, 0);
EXPECT_EQ(nullptr, deno_last_exception(d));
EXPECT_EQ(0, exec_count);
EXPECT_EQ(1u, deno_mod_imports_len(d, a));
EXPECT_EQ(0u, deno_mod_imports_len(d, b));
EXPECT_STREQ("b.js", deno_mod_imports_get(d, a, 0));
EXPECT_EQ(nullptr, deno_mod_imports_get(d, a, 1));
EXPECT_EQ(nullptr, deno_mod_imports_get(d, b, 0));
static int resolve_count = 0;
auto resolve_cb = [](void* user_data, const char* specifier,
deno_mod referrer) {
EXPECT_EQ(referrer, a);
EXPECT_STREQ(specifier, "b.js");
resolve_count++;
return b;
};
deno_mod_instantiate(d, d, b, resolve_cb);
EXPECT_EQ(nullptr, deno_last_exception(d));
EXPECT_EQ(0, resolve_count);
EXPECT_EQ(0, exec_count);
deno_mod_instantiate(d, d, a, resolve_cb);
EXPECT_EQ(nullptr, deno_last_exception(d));
EXPECT_EQ(1, resolve_count);
EXPECT_EQ(0, exec_count);
deno_mod_evaluate(d, d, a);
EXPECT_EQ(nullptr, deno_last_exception(d));
EXPECT_EQ(1, resolve_count);
EXPECT_EQ(1, exec_count);
deno_delete(d);
}
TEST(ModulesTest, ResolutionError) {
exec_count = 0; // Reset
Deno* d = deno_new(deno_config{0, empty_snapshot, empty, recv_cb, nullptr});
EXPECT_EQ(0, exec_count);
static deno_mod a = deno_mod_new(d, true, "a.js",
"import 'bad'\n"
"Deno.core.send(42, new Uint8Array([4]));");
EXPECT_NE(a, 0);
EXPECT_EQ(nullptr, deno_last_exception(d));
EXPECT_EQ(0, exec_count);
EXPECT_EQ(1u, deno_mod_imports_len(d, a));
EXPECT_STREQ("bad", deno_mod_imports_get(d, a, 0));
static int resolve_count = 0;
auto resolve_cb = [](void* user_data, const char* specifier,
deno_mod referrer) {
EXPECT_EQ(referrer, a);
EXPECT_STREQ(specifier, "bad");
resolve_count++;
return 0;
};
deno_mod_instantiate(d, d, a, resolve_cb);
EXPECT_NE(nullptr, deno_last_exception(d));
EXPECT_EQ(1, resolve_count);
EXPECT_EQ(0, exec_count);
deno_delete(d);
}
TEST(ModulesTest, ImportMetaUrl) {
exec_count = 0; // Reset
Deno* d = deno_new(deno_config{0, empty_snapshot, empty, recv_cb, nullptr});
EXPECT_EQ(0, exec_count);
static deno_mod a =
deno_mod_new(d, true, "a.js",
"if ('a.js' != import.meta.url) throw 'hmm'\n"
"Deno.core.send(42, new Uint8Array([4]));");
EXPECT_NE(a, 0);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_mod_instantiate(d, d, a, nullptr);
EXPECT_EQ(nullptr, deno_last_exception(d));
EXPECT_EQ(0, exec_count);
deno_mod_evaluate(d, d, a);
EXPECT_EQ(nullptr, deno_last_exception(d));
EXPECT_EQ(1, exec_count);
}
TEST(ModulesTest, ImportMetaMain) {
Deno* d = deno_new(deno_config{0, empty_snapshot, empty, recv_cb, nullptr});
const char* throw_not_main_src = "if (!import.meta.main) throw 'err'";
static deno_mod throw_not_main =
deno_mod_new(d, true, "a.js", throw_not_main_src);
EXPECT_NE(throw_not_main, 0);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_mod_instantiate(d, d, throw_not_main, nullptr);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_mod_evaluate(d, d, throw_not_main);
EXPECT_EQ(nullptr, deno_last_exception(d));
const char* throw_main_src = "if (import.meta.main) throw 'err'";
static deno_mod throw_main = deno_mod_new(d, false, "b.js", throw_main_src);
EXPECT_NE(throw_main, 0);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_mod_instantiate(d, d, throw_main, nullptr);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_mod_evaluate(d, d, throw_main);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_delete(d);
}
TEST(ModulesTest, DynamicImportSuccess) {
exec_count = 0;
static int dyn_import_count = 0;
static deno_mod b = 0;
auto dyn_import_cb = [](auto user_data, const char* specifier,
const char* referrer, deno_dyn_import_id import_id) {
auto d = reinterpret_cast<Deno*>(user_data);
dyn_import_count++;
EXPECT_STREQ(specifier, "foo");
EXPECT_STREQ(referrer, "a.js");
deno_dyn_import_done(d, d, import_id, b, nullptr);
};
const char* src =
"(async () => { \n"
" let mod = await import('foo'); \n"
" assert(mod.b() === 'b'); \n"
// Send a message to signify that we're done.
" Deno.core.send(42, new Uint8Array([4])); \n"
"})(); \n";
Deno* d = deno_new(deno_config{0, snapshot, empty, recv_cb, dyn_import_cb});
static deno_mod a = deno_mod_new(d, true, "a.js", src);
EXPECT_NE(a, 0);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_mod_instantiate(d, d, a, nullptr);
EXPECT_EQ(nullptr, deno_last_exception(d));
const char* b_src = "export function b() { return 'b' }";
b = deno_mod_new(d, false, "b.js", b_src);
EXPECT_NE(b, 0);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_mod_instantiate(d, d, b, nullptr);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_mod_evaluate(d, d, b);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_mod_evaluate(d, d, a);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_check_promise_errors(d);
EXPECT_EQ(deno_last_exception(d), nullptr);
deno_delete(d);
EXPECT_EQ(1, exec_count);
EXPECT_EQ(1, dyn_import_count);
}
TEST(ModulesTest, DynamicImportError) {
exec_count = 0;
static int dyn_import_count = 0;
auto dyn_import_cb = [](auto user_data, const char* specifier,
const char* referrer, deno_dyn_import_id import_id) {
auto d = reinterpret_cast<Deno*>(user_data);
dyn_import_count++;
EXPECT_STREQ(specifier, "foo");
EXPECT_STREQ(referrer, "a.js");
// We indicate there was an error resolving by returning mod_id 0.
deno_dyn_import_done(d, d, import_id, 0, "foo not found");
};
const char* src =
"(async () => { \n"
" let mod = await import('foo'); \n"
// The following should be unreachable.
" Deno.core.send(42, new Uint8Array([4])); \n"
"})(); \n";
Deno* d = deno_new(deno_config{0, snapshot, empty, recv_cb, dyn_import_cb});
static deno_mod a = deno_mod_new(d, true, "a.js", src);
EXPECT_NE(a, 0);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_mod_instantiate(d, d, a, nullptr);
EXPECT_EQ(nullptr, deno_last_exception(d));
// No error when evaluating, because it's an async error.
deno_mod_evaluate(d, d, a);
EXPECT_EQ(nullptr, deno_last_exception(d));
// Now we should get an error.
deno_check_promise_errors(d);
EXPECT_NE(deno_last_exception(d), nullptr);
std::string e(deno_last_exception(d));
EXPECT_NE(e.find("Uncaught TypeError: foo not found"), std::string::npos);
deno_delete(d);
EXPECT_EQ(0, exec_count);
EXPECT_EQ(1, dyn_import_count);
}
TEST(ModulesTest, DynamicImportAsync) {
exec_count = 0;
static int dyn_import_count = 0;
static deno_mod b = 0;
static std::vector<deno_dyn_import_id> import_ids = {};
auto dyn_import_cb = [](auto user_data, const char* specifier,
const char* referrer, deno_dyn_import_id import_id) {
// auto d = reinterpret_cast<Deno*>(user_data);
dyn_import_count++;
EXPECT_STREQ(specifier, "foo");
EXPECT_STREQ(referrer, "a.js");
// We don't call deno_dyn_import_done until later.
import_ids.push_back(import_id);
};
const char* src =
"(async () => { \n"
" let mod = await import('foo'); \n"
" assert(mod.b() === 'b'); \n"
// AGAIN!
" mod = await import('foo'); \n"
" assert(mod.b() === 'b'); \n"
// Send a message to signify that we're done.
" Deno.core.send(42, new Uint8Array([4])); \n"
"})(); \n";
Deno* d = deno_new(deno_config{0, snapshot, empty, recv_cb, dyn_import_cb});
static deno_mod a = deno_mod_new(d, true, "a.js", src);
EXPECT_NE(a, 0);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_mod_instantiate(d, d, a, nullptr);
EXPECT_EQ(nullptr, deno_last_exception(d));
// Evaluate. We check that there are no errors, and Deno.core.send has not
// been called.
deno_mod_evaluate(d, d, a);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_check_promise_errors(d);
EXPECT_EQ(deno_last_exception(d), nullptr);
EXPECT_EQ(0, exec_count);
EXPECT_EQ(1, dyn_import_count);
// Instantiate b.js
const char* b_src = "export function b() { return 'b' }";
b = deno_mod_new(d, false, "b.js", b_src);
EXPECT_NE(b, 0);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_mod_instantiate(d, d, b, nullptr);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_mod_evaluate(d, d, b);
EXPECT_EQ(nullptr, deno_last_exception(d));
// Now we resolve the import.
EXPECT_EQ(1u, import_ids.size());
auto import_id = import_ids.back();
import_ids.pop_back();
deno_dyn_import_done(d, d, import_id, b, nullptr);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_check_promise_errors(d);
EXPECT_EQ(deno_last_exception(d), nullptr);
EXPECT_EQ(1u, import_ids.size());
EXPECT_EQ(2, dyn_import_count);
EXPECT_EQ(0, exec_count);
import_id = import_ids.back();
import_ids.pop_back();
deno_dyn_import_done(d, d, import_id, b, nullptr);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_check_promise_errors(d);
EXPECT_EQ(deno_last_exception(d), nullptr);
// We still have to resolve the second one
EXPECT_EQ(2, dyn_import_count);
EXPECT_EQ(1, exec_count);
deno_delete(d);
}
TEST(ModulesTest, DynamicImportThrows) {
exec_count = 0;
static int dyn_import_count = 0;
static deno_mod b = 0;
static std::vector<deno_dyn_import_id> import_ids = {};
auto dyn_import_cb = [](auto user_data, const char* specifier,
const char* referrer, deno_dyn_import_id import_id) {
dyn_import_count++;
EXPECT_STREQ(specifier, "b.js");
EXPECT_STREQ(referrer, "a.js");
// We don't call deno_dyn_import_done until later.
import_ids.push_back(import_id);
};
Deno* d = deno_new(deno_config{0, snapshot, empty, recv_cb, dyn_import_cb});
// Instantiate and evaluate the root module. This should succeed.
const char* a_src =
"(async () => { \n"
" let mod = await import('b.js'); \n"
// unreachable
" Deno.core.send(42, new Uint8Array([4])); \n"
"})(); \n";
static deno_mod a = deno_mod_new(d, true, "a.js", a_src);
EXPECT_NE(a, 0);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_mod_instantiate(d, d, a, nullptr);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_mod_evaluate(d, d, a);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_check_promise_errors(d);
EXPECT_EQ(deno_last_exception(d), nullptr);
// Instantiate b.js, which should succeed.
const char* b_src = "throw new Error('foo')";
b = deno_mod_new(d, false, "b.js", b_src);
EXPECT_NE(b, 0);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_mod_instantiate(d, d, b, nullptr);
EXPECT_EQ(nullptr, deno_last_exception(d));
// Evaluate b.js. It throws in the global scope, so deno_last_exception()
// should be non-null afterwards.
deno_mod_evaluate(d, d, b);
EXPECT_NE(deno_last_exception(d), nullptr);
// Resolve the dynamic import of b.js. Since deno_mod_evaluate() failed,
// we indicate failure to deno_dyn_import_done() by setting mod_id to 0.
// The last error should be picked up and cleared by deno_dyn_import_done().
EXPECT_EQ(1u, import_ids.size());
auto import_id = import_ids.back();
import_ids.pop_back();
deno_dyn_import_done(d, d, import_id, 0, nullptr);
EXPECT_EQ(deno_last_exception(d), nullptr);
// Since the dynamically imported module threw an error,
// it should show up as an unhandled promise rejection.
deno_check_promise_errors(d);
EXPECT_NE(deno_last_exception(d), nullptr);
std::string e(deno_last_exception(d));
EXPECT_NE(e.find("Uncaught Error: foo"), std::string::npos);
EXPECT_EQ(1, dyn_import_count);
EXPECT_EQ(0, exec_count);
deno_delete(d);
}
TEST(ModulesTest, DynamicImportSyntaxError) {
exec_count = 0;
static int dyn_import_count = 0;
auto dyn_import_cb = [](auto user_data, const char* specifier,
const char* referrer, deno_dyn_import_id import_id) {
auto d = reinterpret_cast<Deno*>(user_data);
dyn_import_count++;
EXPECT_STREQ(specifier, "b.js");
EXPECT_STREQ(referrer, "a.js");
// Compile b.js, which should fail because of the syntax error.
deno_mod b = deno_mod_new(d, false, "b.js", "syntax error");
EXPECT_EQ(b, 0);
EXPECT_NE(nullptr, deno_last_exception(d));
// `deno_dyn_import_done` should consume the last exception, and use it
// to reject the dynamic import promise.
deno_dyn_import_done(d, d, import_id, 0, nullptr);
EXPECT_EQ(nullptr, deno_last_exception(d));
};
Deno* d = deno_new(deno_config{0, snapshot, empty, recv_cb, dyn_import_cb});
// Instantiate and evaluate the root module. This should succeed.
const char* src =
"(async () => { \n"
" let mod = await import('b.js'); \n"
// unreachable
" Deno.core.send(42, new Uint8Array([4])); \n"
"})(); \n";
static deno_mod a = deno_mod_new(d, true, "a.js", src);
EXPECT_NE(a, 0);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_mod_instantiate(d, d, a, nullptr);
EXPECT_EQ(nullptr, deno_last_exception(d));
deno_mod_evaluate(d, d, a);
EXPECT_EQ(nullptr, deno_last_exception(d));
// The failed dynamic import should cause an unhandled promise rejection.
deno_check_promise_errors(d);
EXPECT_NE(deno_last_exception(d), nullptr);
EXPECT_NE(std::string(deno_last_exception(d)).find("Syntax"),
std::string::npos);
EXPECT_EQ(1, dyn_import_count);
EXPECT_EQ(0, exec_count);
deno_delete(d);
}
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