/
sanity-checks.js
264 lines (235 loc) · 6.87 KB
/
sanity-checks.js
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const assert = require('assert');
const rollup = require('../../dist/rollup');
const { loader } = require('../utils.js');
describe('sanity checks', () => {
it('exists', () => {
assert.ok(!!rollup);
});
it('has a rollup method', () => {
assert.equal(typeof rollup.rollup, 'function');
});
it('fails without options', () => {
return rollup
.rollup()
.then(() => {
throw new Error('Missing expected error');
})
.catch(err => {
assert.equal(err.message, 'You must supply an options object to rollup');
});
});
it('node API passes warning and default handler to custom onwarn function', () => {
let args;
return rollup
.rollup({
input: 'x',
plugins: [loader({ x: `console.log( 42 );` }), { ongenerate() {} }],
onwarn(warning, onwarn) {
args = [warning, onwarn];
}
})
.then(bundle => {
return bundle.generate({ format: 'es' });
})
.then(() => {
assert.equal(args[0].code, 'DEPRECATED_FEATURE');
assert.equal(
args[0].message,
'The "ongenerate" hook used by plugin at position 2 is deprecated. The "generateBundle" hook should be used instead.'
);
assert.equal(typeof args[1], 'function');
});
});
it('fails without options.input', () => {
return rollup
.rollup({})
.then(() => {
throw new Error('Missing expected error');
})
.catch(err => {
assert.equal(err.message, 'You must supply options.input to rollup');
});
});
it('fails with invalid keys', () => {
const warnings = [];
const onwarn = warning => warnings.push(warning);
return rollup
.rollup({ input: 'x', onwarn, plUgins: [], plugins: [loader({ x: `console.log( 42 );` })] })
.then(() => {
assert.deepEqual(warnings, [
{
code: 'UNKNOWN_OPTION',
message:
'Unknown input option: plUgins. Allowed options: ' + require('./optionList').input
}
]);
});
});
it('treats Literals as leaf nodes, even if first literal encountered is null', () => {
// this test has to be up here, otherwise the bug doesn't have
// an opportunity to present itself
return rollup.rollup({
input: 'x',
plugins: [loader({ x: `var a = null; a = 'a string';` })]
});
});
it('includes a newline at the end of the bundle', () => {
return rollup
.rollup({
input: 'x',
plugins: [loader({ x: `console.log( 42 );` })]
})
.then(bundle => {
return bundle.generate({ format: 'iife' });
})
.then(({ output: [{ code }] }) => {
assert.ok(code[code.length - 1] === '\n');
});
});
it('throws on missing output options', () => {
const warnings = [];
return rollup
.rollup({
input: 'x',
plugins: [loader({ x: `console.log( 42 );` })],
onwarn: warning => warnings.push(warning)
})
.then(bundle => {
assert.throws(() => {
bundle.generate();
}, /You must supply an options object/);
});
});
it('throws on incorrect bundle.generate format option', () => {
const warnings = [];
return rollup
.rollup({
input: 'x',
plugins: [loader({ x: `console.log( 42 );` })],
onwarn: warning => warnings.push(warning)
})
.then(bundle => {
assert.throws(() => {
bundle.generate({ file: 'x', format: 'vanilla' });
}, /You must specify "output\.format", which can be one of "amd", "cjs", "system", "esm", "iife" or "umd"./);
});
});
it('defaults to output format `es` if not specified', () => {
const warnings = [];
return rollup
.rollup({
input: 'x',
plugins: [loader({ x: `export function foo(x){ console.log(x); }` })],
onwarn: warning => warnings.push(warning)
})
.then(bundle => {
return bundle.generate({});
})
.then(({ output: [{ code }] }) => {
assert.equal(code, `function foo(x){ console.log(x); }\n\nexport { foo };\n`);
});
});
it('reuses existing error object', () => {
let error;
class CustomError extends Error {
constructor(message, x) {
super(message);
this.prop = x.toUpperCase();
}
}
return rollup
.rollup({
input: 'x',
plugins: [
loader({ x: `console.log( 42 );` }),
{
transform(code) {
error = new CustomError('foo', 'bar');
this.error(error);
}
}
]
})
.catch(e => {
assert.equal(e, error);
});
});
it('throws when using multiple inputs together with the "file" option', () => {
const warnings = [];
return rollup
.rollup({
input: ['x', 'y'],
plugins: [loader({ x: 'console.log( "x" );', y: 'console.log( "y" );' })],
onwarn: warning => warnings.push(warning)
})
.then(bundle => {
assert.throws(() => {
bundle.generate({ file: 'x', format: 'es' });
}, /You must set "output\.dir" instead of "output\.file" when generating multiple chunks\./);
});
});
it('does not throw when using a single element array of inputs together with the "file" option', () => {
const warnings = [];
return rollup
.rollup({
input: ['x'],
plugins: [loader({ x: 'console.log( "x" );' })],
onwarn: warning => warnings.push(warning)
})
.then(bundle => bundle.generate({ file: 'x', format: 'es' }));
});
it('throws when using dynamic imports with the "file" option', () => {
const warnings = [];
return rollup
.rollup({
input: 'x',
plugins: [loader({ x: 'console.log( "x" );import("y");', y: 'console.log( "y" );' })],
onwarn: warning => warnings.push(warning)
})
.then(bundle => {
assert.throws(() => {
bundle.generate({ file: 'x', format: 'es' });
}, /You must set "output\.dir" instead of "output\.file" when generating multiple chunks\./);
});
});
it('does not throw when using dynamic imports with the "file" option and "inlineDynamicImports"', () => {
const warnings = [];
return rollup
.rollup({
input: 'x',
inlineDynamicImports: true,
plugins: [loader({ x: 'console.log( "x" );import("y");', y: 'console.log( "y" );' })],
onwarn: warning => warnings.push(warning)
})
.then(bundle => bundle.generate({ file: 'x', format: 'es' }));
});
it('throws when using the object form of "input" together with the "file" option', () => {
const warnings = [];
return rollup
.rollup({
input: { main: 'x' },
plugins: [loader({ x: 'console.log( "x" );' })],
onwarn: warning => warnings.push(warning)
})
.then(bundle => {
assert.throws(() => {
bundle.generate({ file: 'x', format: 'es' });
}, /You must set "output\.dir" instead of "output\.file" when providing named inputs\./);
});
});
it('throws when using preserveModules together with the "file" option', () => {
const warnings = [];
return rollup
.rollup({
input: 'x',
preserveModules: true,
plugins: [loader({ x: 'console.log( "x" );' })],
onwarn: warning => warnings.push(warning)
})
.then(bundle => {
assert.throws(() => {
bundle.generate({ file: 'x', format: 'es' });
}, /You must set "output\.dir" instead of "output\.file" when using the "preserveModules" option\./);
});
});
});