Skip to content

Commit

Permalink
Run ESM tests on all tested node versions, not just >=13
Browse files Browse the repository at this point in the history
  • Loading branch information
@cspotcode
cspotcode committed May 23, 2021
1 parent eb1a524 commit 9ab0fb6
Showing 1 changed file with 101 additions and 103 deletions.
204 changes: 101 additions & 103 deletions src/test/index.spec.ts
View file
Original file line number Diff line number Diff line change
Expand Up @@ -1197,125 +1197,123 @@ test.suite('ts-node', (test) => {
test.suite('esm', (test) => {
const cmd = `node --loader ts-node/esm`;

if (semver.gte(process.version, '13.0.0')) {
test('should compile and execute as ESM', async () => {
const { err, stdout } = await exec(`${cmd} index.ts`, {
cwd: join(TEST_DIR, './esm'),
});
test('should compile and execute as ESM', async () => {
const { err, stdout } = await exec(`${cmd} index.ts`, {
cwd: join(TEST_DIR, './esm'),
});
expect(err).to.equal(null);
expect(stdout).to.equal('foo bar baz biff libfoo\n');
});
test('should use source maps', async () => {
const { err, stdout } = await exec(`${cmd} "throw error.ts"`, {
cwd: join(TEST_DIR, './esm'),
});
expect(err).not.to.equal(null);
expect(err!.message).to.contain(
[
`${pathToFileURL(join(TEST_DIR, './esm/throw error.ts'))
.toString()
.replace(/%20/g, ' ')}:100`,
" bar() { throw new Error('this is a demo'); }",
' ^',
'Error: this is a demo',
].join('\n')
);
});

test.suite('supports experimental-specifier-resolution=node', (test) => {
test('via --experimental-specifier-resolution', async () => {
const {
err,
stdout,
} = await exec(
`${cmd} --experimental-specifier-resolution=node index.ts`,
{ cwd: join(TEST_DIR, './esm-node-resolver') }
);
expect(err).to.equal(null);
expect(stdout).to.equal('foo bar baz biff libfoo\n');
});
test('should use source maps', async () => {
const { err, stdout } = await exec(`${cmd} "throw error.ts"`, {
cwd: join(TEST_DIR, './esm'),
});
expect(err).not.to.equal(null);
expect(err!.message).to.contain(
[
`${pathToFileURL(join(TEST_DIR, './esm/throw error.ts'))
.toString()
.replace(/%20/g, ' ')}:100`,
" bar() { throw new Error('this is a demo'); }",
' ^',
'Error: this is a demo',
].join('\n')
test('via --es-module-specifier-resolution alias', async () => {
const {
err,
stdout,
} = await exec(
`${cmd} --experimental-modules --es-module-specifier-resolution=node index.ts`,
{ cwd: join(TEST_DIR, './esm-node-resolver') }
);
expect(err).to.equal(null);
expect(stdout).to.equal('foo bar baz biff libfoo\n');
});

test.suite('supports experimental-specifier-resolution=node', (test) => {
test('via --experimental-specifier-resolution', async () => {
const {
err,
stdout,
} = await exec(
`${cmd} --experimental-specifier-resolution=node index.ts`,
{ cwd: join(TEST_DIR, './esm-node-resolver') }
);
expect(err).to.equal(null);
expect(stdout).to.equal('foo bar baz biff libfoo\n');
});
test('via --es-module-specifier-resolution alias', async () => {
const {
err,
stdout,
} = await exec(
`${cmd} --experimental-modules --es-module-specifier-resolution=node index.ts`,
{ cwd: join(TEST_DIR, './esm-node-resolver') }
);
expect(err).to.equal(null);
expect(stdout).to.equal('foo bar baz biff libfoo\n');
});
test('via NODE_OPTIONS', async () => {
const { err, stdout } = await exec(`${cmd} index.ts`, {
cwd: join(TEST_DIR, './esm-node-resolver'),
env: {
...process.env,
NODE_OPTIONS: '--experimental-specifier-resolution=node',
},
});
expect(err).to.equal(null);
expect(stdout).to.equal('foo bar baz biff libfoo\n');
test('via NODE_OPTIONS', async () => {
const { err, stdout } = await exec(`${cmd} index.ts`, {
cwd: join(TEST_DIR, './esm-node-resolver'),
env: {
...process.env,
NODE_OPTIONS: '--experimental-specifier-resolution=node',
},
});
expect(err).to.equal(null);
expect(stdout).to.equal('foo bar baz biff libfoo\n');
});
});

test('throws ERR_REQUIRE_ESM when attempting to require() an ESM script when ESM loader is enabled', async () => {
const { err, stderr } = await exec(`${cmd} ./index.js`, {
cwd: join(TEST_DIR, './esm-err-require-esm'),
});
expect(err).to.not.equal(null);
expect(stderr).to.contain(
'Error [ERR_REQUIRE_ESM]: Must use import to load ES Module:'
);
test('throws ERR_REQUIRE_ESM when attempting to require() an ESM script when ESM loader is enabled', async () => {
const { err, stderr } = await exec(`${cmd} ./index.js`, {
cwd: join(TEST_DIR, './esm-err-require-esm'),
});
expect(err).to.not.equal(null);
expect(stderr).to.contain(
'Error [ERR_REQUIRE_ESM]: Must use import to load ES Module:'
);
});

test('defers to fallback loaders when URL should not be handled by ts-node', async () => {
const { err, stdout, stderr } = await exec(`${cmd} index.mjs`, {
cwd: join(TEST_DIR, './esm-import-http-url'),
});
expect(err).to.not.equal(null);
// expect error from node's default resolver
expect(stderr).to.match(
/Error \[ERR_UNSUPPORTED_ESM_URL_SCHEME\]:.*(?:\n.*){0,1}\n *at defaultResolve/
);
test('defers to fallback loaders when URL should not be handled by ts-node', async () => {
const { err, stdout, stderr } = await exec(`${cmd} index.mjs`, {
cwd: join(TEST_DIR, './esm-import-http-url'),
});
expect(err).to.not.equal(null);
// expect error from node's default resolver
expect(stderr).to.match(
/Error \[ERR_UNSUPPORTED_ESM_URL_SCHEME\]:.*(?:\n.*){0,1}\n *at defaultResolve/
);
});

test('should bypass import cache when changing search params', async () => {
const { err, stdout } = await exec(`${cmd} index.ts`, {
cwd: join(TEST_DIR, './esm-import-cache'),
});
expect(err).to.equal(null);
expect(stdout).to.equal('log1\nlog2\nlog2\n');
test('should bypass import cache when changing search params', async () => {
const { err, stdout } = await exec(`${cmd} index.ts`, {
cwd: join(TEST_DIR, './esm-import-cache'),
});
expect(err).to.equal(null);
expect(stdout).to.equal('log1\nlog2\nlog2\n');
});

test('should support transpile only mode via dedicated loader entrypoint', async () => {
const { err, stdout } = await exec(`${cmd}/transpile-only index.ts`, {
cwd: join(TEST_DIR, './esm-transpile-only'),
});
expect(err).to.equal(null);
expect(stdout).to.equal('');
test('should support transpile only mode via dedicated loader entrypoint', async () => {
const { err, stdout } = await exec(`${cmd}/transpile-only index.ts`, {
cwd: join(TEST_DIR, './esm-transpile-only'),
});
test('should throw type errors without transpile-only enabled', async () => {
const { err, stdout } = await exec(`${cmd} index.ts`, {
cwd: join(TEST_DIR, './esm-transpile-only'),
});
if (err === null) {
throw new Error('Command was expected to fail, but it succeeded.');
}

expect(err.message).to.contain('Unable to compile TypeScript');
expect(err.message).to.match(
new RegExp(
"TS2345: Argument of type '(?:number|1101)' is not assignable to parameter of type 'string'\\."
)
);
expect(err.message).to.match(
new RegExp(
"TS2322: Type '(?:\"hello world\"|string)' is not assignable to type 'number'\\."
)
);
expect(stdout).to.equal('');
expect(err).to.equal(null);
expect(stdout).to.equal('');
});
test('should throw type errors without transpile-only enabled', async () => {
const { err, stdout } = await exec(`${cmd} index.ts`, {
cwd: join(TEST_DIR, './esm-transpile-only'),
});
}
if (err === null) {
throw new Error('Command was expected to fail, but it succeeded.');
}

expect(err.message).to.contain('Unable to compile TypeScript');
expect(err.message).to.match(
new RegExp(
"TS2345: Argument of type '(?:number|1101)' is not assignable to parameter of type 'string'\\."
)
);
expect(err.message).to.match(
new RegExp(
"TS2322: Type '(?:\"hello world\"|string)' is not assignable to type 'number'\\."
)
);
expect(stdout).to.equal('');
});

if (semver.gte(process.version, '12.0.0')) {
test('throws ERR_REQUIRE_ESM when attempting to require() an ESM script when ESM loader is *not* enabled and node version is >= 12', async () => {
Expand Down

0 comments on commit 9ab0fb6

Please sign in to comment.