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const t = require('tap')
const path = require('path')
const fs = require('fs')
const { load: loadMockNpm } = require('../../fixtures/mock-npm')
const MockRegistry = require('../../fixtures/mock-registry.js')
const treeWithDupes = {
'package.json': JSON.stringify({
name: 'test-top',
version: '1.0.0',
dependencies: {
'test-dep-a': '*',
'test-dep-b': '*',
},
}),
node_modules: {
'test-dep-a': {
'package.json': JSON.stringify({
name: 'test-dep-a',
version: '1.0.1',
dependencies: { 'test-sub': '*' },
}),
node_modules: {
'test-sub': {
'package.json': JSON.stringify({
name: 'test-sub',
version: '1.0.0',
}),
},
},
},
'test-dep-b': {
'package.json': JSON.stringify({
name: 'test-dep-b',
version: '1.0.0',
dependencies: { 'test-sub': '*' },
}),
node_modules: {
'test-sub': {
'package.json': JSON.stringify({
name: 'test-sub',
version: '1.0.0',
}),
},
},
},
},
}
t.test('should run dedupe in dryRun mode', async (t) => {
const { npm, joinedOutput } = await loadMockNpm(t, {
prefixDir: treeWithDupes,
config: {
// explicitly set to false so we can be 100% sure it's always true when it
// hits arborist
'dry-run': false,
},
})
const registry = new MockRegistry({
tap: t,
registry: npm.config.get('registry'),
})
const manifestSub = registry.manifest({
name: 'test-sub',
manifests: [{ name: 'test-sub', version: '1.0.0' }],
})
await registry.package({ manifest: manifestSub })
await npm.exec('find-dupes', [])
t.match(joinedOutput(), /added 1 package, and removed 2 packages/)
t.notOk(
fs.existsSync(path.join(npm.prefix, 'node_modules', 'test-sub')),
'test-sub was not hoisted'
)
t.ok(
fs.existsSync(path.join(npm.prefix, 'node_modules', 'test-dep-a', 'node_modules', 'test-sub')),
'test-dep-a/test-sub was not removed'
)
t.ok(
fs.existsSync(path.join(npm.prefix, 'node_modules', 'test-dep-b', 'node_modules', 'test-sub')),
'test-dep-b/test-sub was not removed')
})
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