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const t = require('tap')
const npm = {
prefix: null,
color: true,
flatOptions: { workspacesEnabled: true },
output: (...args) => {
OUTPUT.push(args)
},
}
const { resolve } = require('path')
const OUTPUT = []
const Explain = t.mock('../../../lib/commands/explain.js', {
// keep the snapshots pared down a bit, since this has its own tests.
'../../../lib/utils/explain-dep.js': {
explainNode: (expl, depth, color) => {
return `${expl.name}@${expl.version} depth=${depth} color=${color}`
},
},
})
const explain = new Explain(npm)
t.test('no args throws usage', async t => {
await t.rejects(
explain.exec([]),
explain.usage
)
})
t.test('no match throws not found', async t => {
npm.prefix = t.testdir()
await t.rejects(
explain.exec(['foo@1.2.3', 'node_modules/baz']),
'No dependencies found matching foo@1.2.3, node_modules/baz'
)
})
t.test('invalid package name throws not found', async t => {
npm.prefix = t.testdir()
const badName = ' not a valid package name '
await t.rejects(
explain.exec([`${badName}@1.2.3`]),
`No dependencies found matching ${badName}@1.2.3`
)
})
t.test('explain some nodes', t => {
t.afterEach(() => {
OUTPUT.length = 0
npm.flatOptions.json = false
})
npm.prefix = t.testdir({
node_modules: {
foo: {
'package.json': JSON.stringify({
name: 'foo',
version: '1.2.3',
dependencies: {
bar: '*',
},
}),
},
bar: {
'package.json': JSON.stringify({
name: 'bar',
version: '1.2.3',
}),
},
baz: {
'package.json': JSON.stringify({
name: 'baz',
version: '1.2.3',
dependencies: {
foo: '*',
bar: '2',
},
}),
node_modules: {
bar: {
'package.json': JSON.stringify({
name: 'bar',
version: '2.3.4',
}),
},
extra: {
'package.json': JSON.stringify({
name: 'extra',
version: '99.9999.999999',
description: 'extraneous package',
}),
},
},
},
},
'package.json': JSON.stringify({
dependencies: {
baz: '1',
},
}),
})
t.test('works with the location', async t => {
const path = 'node_modules/foo'
await explain.exec([path])
t.strictSame(OUTPUT, [['foo@1.2.3 depth=Infinity color=true']])
})
t.test('works with a full actual path', async t => {
const path = resolve(npm.prefix, 'node_modules/foo')
await explain.exec([path])
t.strictSame(OUTPUT, [['foo@1.2.3 depth=Infinity color=true']])
})
t.test('finds all nodes by name', async t => {
await explain.exec(['bar'])
t.strictSame(OUTPUT, [[
'bar@1.2.3 depth=Infinity color=true\n\n' +
'bar@2.3.4 depth=Infinity color=true',
]])
})
t.test('finds only nodes that match the spec', async t => {
await explain.exec(['bar@1'])
t.strictSame(OUTPUT, [['bar@1.2.3 depth=Infinity color=true']])
})
t.test('finds extraneous nodes', async t => {
await explain.exec(['extra'])
t.strictSame(OUTPUT, [['extra@99.9999.999999 depth=Infinity color=true']])
})
t.test('json output', async t => {
npm.flatOptions.json = true
await explain.exec(['node_modules/foo'])
t.match(JSON.parse(OUTPUT[0][0]), [{
name: 'foo',
version: '1.2.3',
dependents: Array,
}])
})
t.test('report if no nodes found', async t => {
await t.rejects(
explain.exec(['asdf/foo/bar', 'quux@1.x']),
'No dependencies found matching asdf/foo/bar, quux@1.x'
)
})
t.end()
})
t.test('workspaces', async t => {
npm.localPrefix = npm.prefix = t.testdir({
'package.json': JSON.stringify({
name: 'workspaces-project',
version: '1.0.0',
workspaces: ['packages/*'],
dependencies: {
abbrev: '^1.0.0',
},
}),
node_modules: {
a: t.fixture('symlink', '../packages/a'),
b: t.fixture('symlink', '../packages/b'),
c: t.fixture('symlink', '../packages/c'),
once: {
'package.json': JSON.stringify({
name: 'once',
version: '1.0.0',
dependencies: {
wrappy: '2.0.0',
},
}),
},
abbrev: {
'package.json': JSON.stringify({
name: 'abbrev',
version: '1.0.0',
}),
},
wrappy: {
'package.json': JSON.stringify({
name: 'wrappy',
version: '2.0.0',
}),
},
},
packages: {
a: {
'package.json': JSON.stringify({
name: 'a',
version: '1.0.0',
dependencies: {
once: '1.0.0',
},
}),
},
b: {
'package.json': JSON.stringify({
name: 'b',
version: '1.0.0',
dependencies: {
abbrev: '^1.0.0',
},
}),
},
c: {
'package.json': JSON.stringify({
name: 'c',
version: '1.0.0',
}),
},
},
})
await explain.exec(['wrappy'])
t.strictSame(
OUTPUT,
[['wrappy@2.0.0 depth=Infinity color=true']],
'should explain workspaces deps'
)
OUTPUT.length = 0
await explain.execWorkspaces(['wrappy'], ['a'])
t.strictSame(
OUTPUT,
[
['wrappy@2.0.0 depth=Infinity color=true'],
],
'should explain deps when filtering to a single ws'
)
OUTPUT.length = 0
await explain.execWorkspaces(['abbrev'], [])
t.strictSame(
OUTPUT,
[
['abbrev@1.0.0 depth=Infinity color=true'],
],
'should explain deps of workspaces only'
)
OUTPUT.length = 0
await t.rejects(
explain.execWorkspaces(['abbrev'], ['a']),
'No dependencies found matching abbrev',
'should throw usage if dep not found within filtered ws'
)
})
t.test('workspaces disabled', async t => {
npm.localPrefix = npm.prefix = t.testdir({
'package.json': JSON.stringify({
name: 'workspaces-project',
version: '1.0.0',
workspaces: ['packages/*'],
dependencies: {
abbrev: '^1.0.0',
},
}),
node_modules: {
a: t.fixture('symlink', '../packages/a'),
b: t.fixture('symlink', '../packages/b'),
c: t.fixture('symlink', '../packages/c'),
once: {
'package.json': JSON.stringify({
name: 'once',
version: '1.0.0',
dependencies: {
wrappy: '2.0.0',
},
}),
},
abbrev: {
'package.json': JSON.stringify({
name: 'abbrev',
version: '1.0.0',
}),
},
wrappy: {
'package.json': JSON.stringify({
name: 'wrappy',
version: '2.0.0',
}),
},
},
packages: {
a: {
'package.json': JSON.stringify({
name: 'a',
version: '1.0.0',
dependencies: {
once: '1.0.0',
},
}),
},
b: {
'package.json': JSON.stringify({
name: 'b',
version: '1.0.0',
dependencies: {
abbrev: '^1.0.0',
},
}),
},
c: {
'package.json': JSON.stringify({
name: 'c',
version: '1.0.0',
}),
},
},
})
npm.flatOptions.workspacesEnabled = false
await t.rejects(
explain.exec(['once']),
'No dependencies found matching once',
'should throw usage if dep not found when excluding ws'
)
})
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