/
basic.js
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/
basic.js
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/* @flow */
import type {PackageDriver} from 'pkg-tests-core';
const {
fs: {createTemporaryFolder, writeFile, writeJson},
tests: {getPackageArchivePath, getPackageHttpArchivePath, getPackageDirectoryPath},
} = require('pkg-tests-core');
module.exports = (makeTemporaryEnv: PackageDriver) => {
describe(`Basic tests`, () => {
test(
`it should correctly install a single dependency that contains no sub-dependencies`,
makeTemporaryEnv(
{
dependencies: {[`no-deps`]: `1.0.0`},
},
async ({path, run, source}) => {
await run(`install`);
await expect(source(`require('no-deps')`)).resolves.toMatchObject({
name: `no-deps`,
version: `1.0.0`,
});
},
),
);
test(
`it should correctly install a dependency that itself contains a fixed dependency`,
makeTemporaryEnv(
{
dependencies: {[`one-fixed-dep`]: `1.0.0`},
},
async ({path, run, source}) => {
await run(`install`);
await expect(source(`require('one-fixed-dep')`)).resolves.toMatchObject({
name: `one-fixed-dep`,
version: `1.0.0`,
dependencies: {
[`no-deps`]: {
name: `no-deps`,
version: `1.0.0`,
},
},
});
},
),
);
test(
`it should correctly install a dependency that itself contains a range dependency`,
makeTemporaryEnv(
{
dependencies: {[`one-range-dep`]: `1.0.0`},
},
async ({path, run, source}) => {
await run(`install`);
await expect(source(`require('one-range-dep')`)).resolves.toMatchObject({
name: `one-range-dep`,
version: `1.0.0`,
dependencies: {
[`no-deps`]: {
name: `no-deps`,
version: `1.1.0`,
},
},
});
},
),
);
test(
`it should correctly install an inter-dependency loop`,
makeTemporaryEnv(
{
dependencies: {[`dep-loop-entry`]: `1.0.0`},
},
async ({path, run, source}) => {
await run(`install`);
await expect(
source(
// eslint-disable-next-line
`require('dep-loop-entry') === require('dep-loop-entry').dependencies['dep-loop-exit'].dependencies['dep-loop-entry']`,
),
);
},
),
);
test(
`it should install from archives on the filesystem`,
makeTemporaryEnv(
{
dependencies: {[`no-deps`]: getPackageArchivePath(`no-deps`, `1.0.0`)},
},
async ({path, run, source}) => {
await run(`install`);
await expect(source(`require('no-deps')`)).resolves.toMatchObject({
name: `no-deps`,
version: `1.0.0`,
});
},
),
);
test(
`it should install the dependencies of any dependency fetched from the filesystem`,
makeTemporaryEnv(
{
dependencies: {[`one-fixed-dep`]: getPackageArchivePath(`one-fixed-dep`, `1.0.0`)},
},
async ({path, run, source}) => {
await run(`install`);
await expect(source(`require('one-fixed-dep')`)).resolves.toMatchObject({
name: `one-fixed-dep`,
version: `1.0.0`,
dependencies: {
[`no-deps`]: {
name: `no-deps`,
version: `1.0.0`,
},
},
});
},
),
);
test(
`it should install from files on the internet`,
makeTemporaryEnv(
{
dependencies: {[`no-deps`]: getPackageHttpArchivePath(`no-deps`, `1.0.0`)},
},
async ({path, run, source}) => {
await run(`install`);
await expect(source(`require('no-deps')`)).resolves.toMatchObject({
name: `no-deps`,
version: `1.0.0`,
});
},
),
);
test(
`it should install the dependencies of any dependency fetched from the internet`,
makeTemporaryEnv(
{
dependencies: {[`one-fixed-dep`]: getPackageHttpArchivePath(`one-fixed-dep`, `1.0.0`)},
},
async ({path, run, source}) => {
await run(`install`);
await expect(source(`require('one-fixed-dep')`)).resolves.toMatchObject({
name: `one-fixed-dep`,
version: `1.0.0`,
dependencies: {
[`no-deps`]: {
name: `no-deps`,
version: `1.0.0`,
},
},
});
},
),
);
test(
`it should install from local directories`,
makeTemporaryEnv(
{
dependencies: {[`no-deps`]: getPackageDirectoryPath(`no-deps`, `1.0.0`)},
},
async ({path, run, source}) => {
await run(`install`);
await expect(source(`require('no-deps')`)).resolves.toMatchObject({
name: `no-deps`,
version: `1.0.0`,
});
},
),
);
test(
`it should install the dependencies of any dependency fetched from a local directory`,
makeTemporaryEnv(
{
dependencies: {[`one-fixed-dep`]: getPackageDirectoryPath(`one-fixed-dep`, `1.0.0`)},
},
async ({path, run, source}) => {
await run(`install`);
await expect(source(`require('one-fixed-dep')`)).resolves.toMatchObject({
name: `one-fixed-dep`,
version: `1.0.0`,
dependencies: {
[`no-deps`]: {
name: `no-deps`,
version: `1.0.0`,
},
},
});
},
),
);
test(
`it should correctly create resolution mounting points when using the link protocol`,
makeTemporaryEnv(
{
dependencies: {[`link-dep`]: (async () => `link:${await getPackageDirectoryPath(`no-deps`, `1.0.0`)}`)()},
},
async ({path, run, source}) => {
await run(`install`);
await expect(source(`require('link-dep')`)).resolves.toMatchObject({
name: `no-deps`,
version: `1.0.0`,
});
},
),
);
test(
`it should install in such a way that peer dependencies can be resolved (from top-level)`,
makeTemporaryEnv(
{
dependencies: {[`peer-deps`]: `1.0.0`, [`no-deps`]: `1.0.0`},
},
async ({path, run, source}) => {
await run(`install`);
await expect(source(`require('peer-deps')`)).resolves.toMatchObject({
name: `peer-deps`,
version: `1.0.0`,
peerDependencies: {
[`no-deps`]: {
name: `no-deps`,
version: `1.0.0`,
},
},
});
},
),
);
test(
`it should install in such a way that peer dependencies can be resolved (from within a dependency)`,
makeTemporaryEnv(
{
dependencies: {[`provides-peer-deps-1-0-0`]: `1.0.0`},
},
async ({path, run, source}) => {
await run(`install`);
await expect(source(`require('provides-peer-deps-1-0-0')`)).resolves.toMatchObject({
name: `provides-peer-deps-1-0-0`,
version: `1.0.0`,
dependencies: {
[`peer-deps`]: {
name: `peer-deps`,
version: `1.0.0`,
peerDependencies: {
[`no-deps`]: {
name: `no-deps`,
version: `1.0.0`,
},
},
},
[`no-deps`]: {
name: `no-deps`,
version: `1.0.0`,
},
},
});
},
),
);
test(
`it should install in such a way that peer dependencies can be resolved (two levels deep)`,
makeTemporaryEnv(
{
dependencies: {[`peer-deps-lvl0`]: `1.0.0`},
},
async ({path, run, source}) => {
await run(`install`);
await expect(source(`require('peer-deps-lvl0')`)).resolves.toMatchObject({
name: `peer-deps-lvl0`,
version: `1.0.0`,
dependencies: {
[`peer-deps-lvl1`]: {
name: `peer-deps-lvl1`,
version: `1.0.0`,
dependencies: {
[`peer-deps-lvl2`]: {
name: `peer-deps-lvl2`,
version: `1.0.0`,
peerDependencies: {
[`no-deps`]: {
name: `no-deps`,
version: `1.0.0`,
},
},
},
},
peerDependencies: {
[`no-deps`]: {
name: `no-deps`,
version: `1.0.0`,
},
},
},
[`no-deps`]: {
name: `no-deps`,
version: `1.0.0`,
},
},
});
},
),
);
test(
`it should cache the loaded modules`,
makeTemporaryEnv(
{
dependencies: {[`no-deps`]: `1.0.0`},
},
async ({path, run, source}) => {
await run(`install`);
await expect(
source(
`{ let before = require('no-deps/package.json'); let after = require('no-deps/package.json'); return before === after }`,
),
).resolves.toEqual(true);
},
),
);
test(
`it should expose the cached modules into require.cache`,
makeTemporaryEnv(
{
dependencies: {[`no-deps`]: `1.0.0`},
},
async ({path, run, source}) => {
await run(`install`);
await expect(
source(`require('no-deps') === require.cache[require.resolve('no-deps')].exports`),
).resolves.toEqual(true);
},
),
);
test(
`it should allow resetting a loaded module by deleting its entry from require.cache`,
makeTemporaryEnv(
{
dependencies: {[`no-deps`]: `1.0.0`},
},
async ({path, run, source}) => {
await run(`install`);
await expect(
source(
`{ let before = require('no-deps/package.json'); delete require.cache[require.resolve('no-deps/package.json')]; let after = require('no-deps/package.json'); return before === after }`,
),
).resolves.toEqual(false);
},
),
);
test(
`it should fail if the environment does not satisfy the os platform`,
makeTemporaryEnv(
{
os: ['unicorn'],
},
async ({path, run, source}) => {
await expect(run(`install`)).rejects.toThrow(/The platform "\w+" is incompatible with this module\./);
},
),
);
test(
`it should fail if the environment does not satisfy the cpu architecture`,
makeTemporaryEnv(
{
cpu: ['unicorn'],
},
async ({path, run, source}) => {
await expect(run(`install`)).rejects.toThrow(/The CPU architecture "\w+" is incompatible with this module\./);
},
),
);
test(
`it should fail if the environment does not satisfy the engine requirements`,
makeTemporaryEnv(
{
engines: {
node: "0.18.1"
}
},
async ({path, run, source}) => {
await expect(run(`install`)).rejects.toThrow(/The engine "node" is incompatible with this module\. Expected version "0.18.1"./);
},
),
);
test(
`it should not fail if the environment does not satisfy the os and cpu architecture but ignore platform is true`,
makeTemporaryEnv(
{
os: ['unicorn'],
},
async ({path, run, source}) => {
await run(`install`, '--ignore-platform');
},
),
);
test(
`it should not fail if the environment does not satisfy the engine requirements but ignore engines is true`,
makeTemporaryEnv(
{
engines: {
node: "0.18.1"
}
},
async ({path, run, source}) => {
await run(`install`, '--ignore-engines');
},
),
);
});
};