chore: convert more util tests to use mock-npm (#6475)

Author: lukekarrys

tap-snapshots/test/lib/utils/open-url-prompt.js.test.cjs

@@ -6,20 +6,10 @@
  */
 'use strict'
 exports[`test/lib/utils/open-url-prompt.js TAP opens a url > must match snapshot 1`] = `
-Array [
-  Array [
-    String(
-      npm home:
-      https://www.npmjs.com
-    ),
-  ],
-]
+npm home:
+https://www.npmjs.com
 `
 
 exports[`test/lib/utils/open-url-prompt.js TAP prints json output > must match snapshot 1`] = `
-Array [
-  Array [
-    "{\\"title\\":\\"npm home\\",\\"url\\":\\"https://www.npmjs.com\\"}",
-  ],
-]
+{"title":"npm home","url":"https://www.npmjs.com"}
 `

tap-snapshots/test/lib/utils/reify-finish.js.test.cjs

@@ -1,32 +1,6 @@
-const { resolve } = require('path')
 const t = require('tap')
 const installedDeep = require('../../../../lib/utils/completion/installed-deep.js')
-
-let prefix
-let globalDir = 'MISSING_GLOBAL_DIR'
-const _flatOptions = {
-  depth: Infinity,
-  global: false,
-  workspacesEnabled: true,
-  Arborist: require('@npmcli/arborist'),
-  get prefix () {
-    return prefix
-  },
-}
-const npm = {
-  flatOptions: _flatOptions,
-  get prefix () {
-    return _flatOptions.prefix
-  },
-  get globalDir () {
-    return globalDir
-  },
-  config: {
-    get (key) {
-      return _flatOptions[key]
-    },
-  },
-}
+const mockNpm = require('../../../fixtures/mock-npm')
 
 const fixture = {
   'package.json': JSON.stringify({
@@ -153,16 +127,23 @@ const globalFixture = {
   },
 }
 
-t.test('get list of package names', async t => {
-  const fix = t.testdir({
-    local: fixture,
-    global: globalFixture,
+const mockDeep = async (t, config) => {
+  const mock = await mockNpm(t, {
+    prefixDir: fixture,
+    globalPrefixDir: globalFixture,
+    config: {
+      depth: Infinity,
+      ...config,
+    },
   })
 
-  prefix = resolve(fix, 'local')
-  globalDir = resolve(fix, 'global/node_modules')
+  const res = await installedDeep(mock.npm)
 
-  const res = await installedDeep(npm, null)
+  return res
+}
+
+t.test('get list of package names', async t => {
+  const res = await mockDeep(t)
   t.same(
     res,
     [
@@ -179,17 +160,7 @@ t.test('get list of package names', async t => {
 })
 
 t.test('get list of package names as global', async t => {
-  const fix = t.testdir({
-    local: fixture,
-    global: globalFixture,
-  })
-
-  prefix = resolve(fix, 'local')
-  globalDir = resolve(fix, 'global/node_modules')
-
-  _flatOptions.global = true
-
-  const res = await installedDeep(npm, null)
+  const res = await mockDeep(t, { global: true })
   t.same(
     res,
     [
@@ -199,22 +170,10 @@ t.test('get list of package names as global', async t => {
     ],
     'should return list of global packages with no extra flags'
   )
-  _flatOptions.global = false
-  t.end()
 })
 
 t.test('limit depth', async t => {
-  const fix = t.testdir({
-    local: fixture,
-    global: globalFixture,
-  })
-
-  prefix = resolve(fix, 'local')
-  globalDir = resolve(fix, 'global/node_modules')
-
-  _flatOptions.depth = 0
-
-  const res = await installedDeep(npm, null)
+  const res = await mockDeep(t, { depth: 0 })
   t.same(
     res,
     [
@@ -229,23 +188,10 @@ t.test('limit depth', async t => {
     ],
     'should print only packages up to the specified depth'
   )
-  _flatOptions.depth = 0
-  t.end()
 })
 
 t.test('limit depth as global', async t => {
-  const fix = t.testdir({
-    local: fixture,
-    global: globalFixture,
-  })
-
-  prefix = resolve(fix, 'local')
-  globalDir = resolve(fix, 'global/node_modules')
-
-  _flatOptions.global = true
-  _flatOptions.depth = 0
-
-  const res = await installedDeep(npm, null)
+  const res = await mockDeep(t, { depth: 0, global: true })
   t.same(
     res,
     [
@@ -256,7 +202,4 @@ t.test('limit depth as global', async t => {
     ],
     'should reorder so that packages above that level depth goes last'
   )
-  _flatOptions.global = false
-  _flatOptions.depth = 0
-  t.end()
 })

test/lib/utils/completion/installed-deep.js

@@ -1,32 +1,32 @@
 const t = require('tap')
-const { resolve } = require('path')
 const installed = require('../../../../lib/utils/completion/installed-shallow.js')
+const mockNpm = require('../../../fixtures/mock-npm')
 
-const flatOptions = { global: false }
-const npm = { flatOptions }
-
-t.test('global not set, include globals with -g', async t => {
-  const dir = t.testdir({
-    global: {
+const mockShallow = async (t, config) => {
+  const res = await mockNpm(t, {
+    globalPrefixDir: {
       node_modules: {
         x: {},
         '@scope': {
           y: {},
         },
       },
     },
-    local: {
+    prefixDir: {
       node_modules: {
         a: {},
         '@scope': {
           b: {},
         },
       },
     },
+    config: { global: false, ...config },
   })
-  npm.globalDir = resolve(dir, 'global/node_modules')
-  npm.localDir = resolve(dir, 'local/node_modules')
-  flatOptions.global = false
+  return res
+}
+
+t.test('global not set, include globals with -g', async t => {
+  const { npm } = await mockShallow(t)
   const opt = { conf: { argv: { remain: [] } } }
   const res = await installed(npm, opt)
   t.strictSame(res.sort(), [
@@ -35,64 +35,21 @@ t.test('global not set, include globals with -g', async t => {
     'a',
     '@scope/b',
   ].sort())
-  t.end()
 })
 
 t.test('global set, include globals and not locals', async t => {
-  const dir = t.testdir({
-    global: {
-      node_modules: {
-        x: {},
-        '@scope': {
-          y: {},
-        },
-      },
-    },
-    local: {
-      node_modules: {
-        a: {},
-        '@scope': {
-          b: {},
-        },
-      },
-    },
-  })
-  npm.globalDir = resolve(dir, 'global/node_modules')
-  npm.localDir = resolve(dir, 'local/node_modules')
-  flatOptions.global = true
+  const { npm } = await mockShallow(t, { global: true })
   const opt = { conf: { argv: { remain: [] } } }
   const res = await installed(npm, opt)
   t.strictSame(res.sort(), [
     '@scope/y',
     'x',
   ].sort())
-  t.end()
 })
 
 t.test('more than 3 items in argv, skip it', async t => {
-  const dir = t.testdir({
-    global: {
-      node_modules: {
-        x: {},
-        '@scope': {
-          y: {},
-        },
-      },
-    },
-    local: {
-      node_modules: {
-        a: {},
-        '@scope': {
-          b: {},
-        },
-      },
-    },
-  })
-  npm.globalDir = resolve(dir, 'global/node_modules')
-  npm.localDir = resolve(dir, 'local/node_modules')
-  flatOptions.global = false
+  const { npm } = await mockShallow(t)
   const opt = { conf: { argv: { remain: [1, 2, 3, 4, 5, 6] } } }
   const res = await installed(npm, opt)
   t.strictSame(res, null)
-  t.end()
 })