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const t = require('tap')
const requireInject = require('require-inject')
const npm = {
config: {
data: {
get: () => builtinConfMock,
},
},
}
const builtinConfMock = {
loadError: new Error('no builtin config'),
raw: { hasBuiltinConfig: true, x: 'y', nested: { foo: 'bar' }},
}
const reifyOutput = () => {}
let expectWrite = false
const realFs = require('fs')
const fs = {
...realFs,
promises: realFs.promises && {
...realFs.promises,
writeFile: async (path, data) => {
if (!expectWrite)
throw new Error('did not expect to write builtin config file')
return realFs.promises.writeFile(path, data)
},
},
}
const reifyFinish = requireInject('../../../lib/utils/reify-finish.js', {
fs,
'../../../lib/utils/reify-output.js': reifyOutput,
})
t.test('should not write if not global', async t => {
expectWrite = false
await reifyFinish(npm, {
options: { global: false },
actualTree: {},
})
})
t.test('should not write if no global npm module', async t => {
expectWrite = false
await reifyFinish(npm, {
options: { global: true },
actualTree: {
inventory: new Map(),
},
})
})
t.test('should not write if builtin conf had load error', async t => {
expectWrite = false
await reifyFinish(npm, {
options: { global: true },
actualTree: {
inventory: new Map([['node_modules/npm', {}]]),
},
})
})
t.test('should write if everything above passes', async t => {
expectWrite = true
delete builtinConfMock.loadError
const path = t.testdir()
await reifyFinish(npm, {
options: { global: true },
actualTree: {
inventory: new Map([['node_modules/npm', {path}]]),
},
})
// windowwwwwwssss!!!!!
const data = fs.readFileSync(`${path}/npmrc`, 'utf8').replace(/\r\n/g, '\n')
t.matchSnapshot(data, 'written config')
})
t.test('works without fs.promises', async t => {
t.doesNotThrow(() => requireInject('../../../lib/utils/reify-finish.js', {
fs: { ...fs, promises: null },
'../../../lib/npm.js': npm,
'../../../lib/utils/reify-output.js': reifyOutput,
}))
})
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