fix(list): Fix calls to list with no arguments (#52)

Author: dpogue

simctl.js

@@ -133,20 +133,20 @@ module.exports = {
   },
 
   list: function (options) {
-    let sublist = ''
+    const sublist = []
     options = options || {}
 
     if (options.devices) {
-      sublist = 'devices'
+      sublist.push('devices')
     } else if (options.devicetypes) {
-      sublist = 'devicetypes'
+      sublist.push('devicetypes')
     } else if (options.runtimes) {
-      sublist = 'runtimes'
+      sublist.push('runtimes')
     } else if (options.pairs) {
-      sublist = 'pairs'
+      sublist.push('pairs')
     }
 
-    const result = spawnSync('xcrun', ['simctl', 'list', sublist, '--json'])
+    const result = spawnSync('xcrun', ['simctl', 'list'].concat(sublist, ['--json']))
 
     if (result.status === 0) {
       try {

test/simctl.js

@@ -100,3 +100,83 @@ test('simctl version', (t) => {
   const retObj = simctl.simctl_version()
   t.assert.ok(retObj[0] >= 400)
 })
+
+test('simctl list', async (ctx) => {
+  ctx.beforeEach((t) => {
+    spawnMock.mock.resetCalls()
+
+    t.mock.method(console, 'error', () => {})
+  })
+
+  await ctx.test('with no arguments', (t) => {
+    t.assert ||= require('node:assert')
+
+    spawnMock.mock.mockImplementationOnce(() => {
+      return { status: 0, stdout: '{}' }
+    })
+
+    const retObj = simctl.list()
+    t.assert.deepEqual(spawnMock.mock.calls[0].arguments[1], ['simctl', 'list', '--json'])
+    t.assert.deepEqual(retObj.json, {})
+  })
+
+  await ctx.test('with devices arguments', (t) => {
+    t.assert ||= require('node:assert')
+
+    spawnMock.mock.mockImplementationOnce(() => {
+      return { status: 0, stdout: '{}' }
+    })
+
+    const retObj = simctl.list({ devices: true })
+    t.assert.deepEqual(spawnMock.mock.calls[0].arguments[1], ['simctl', 'list', 'devices', '--json'])
+    t.assert.deepEqual(retObj.json, {})
+  })
+
+  await ctx.test('with devicetypes arguments', (t) => {
+    t.assert ||= require('node:assert')
+
+    spawnMock.mock.mockImplementationOnce(() => {
+      return { status: 0, stdout: '{}' }
+    })
+
+    const retObj = simctl.list({ devicetypes: true })
+    t.assert.deepEqual(spawnMock.mock.calls[0].arguments[1], ['simctl', 'list', 'devicetypes', '--json'])
+    t.assert.deepEqual(retObj.json, {})
+  })
+
+  await ctx.test('with runtimes arguments', (t) => {
+    t.assert ||= require('node:assert')
+
+    spawnMock.mock.mockImplementationOnce(() => {
+      return { status: 0, stdout: '{}' }
+    })
+
+    const retObj = simctl.list({ runtimes: true })
+    t.assert.deepEqual(spawnMock.mock.calls[0].arguments[1], ['simctl', 'list', 'runtimes', '--json'])
+    t.assert.deepEqual(retObj.json, {})
+  })
+
+  await ctx.test('with pairs arguments', (t) => {
+    t.assert ||= require('node:assert')
+
+    spawnMock.mock.mockImplementationOnce(() => {
+      return { status: 0, stdout: '{}' }
+    })
+
+    const retObj = simctl.list({ pairs: true })
+    t.assert.deepEqual(spawnMock.mock.calls[0].arguments[1], ['simctl', 'list', 'pairs', '--json'])
+    t.assert.deepEqual(retObj.json, {})
+  })
+
+  await ctx.test('with parsing error', (t) => {
+    t.assert ||= require('node:assert')
+
+    spawnMock.mock.mockImplementationOnce(() => {
+      return { status: 0, stdout: 'This is not valid JSON' }
+    })
+
+    const retObj = simctl.list()
+    t.assert.match(console.error.mock.calls[0].arguments[0], /SyntaxError: Unexpected token/)
+    t.assert.equal(retObj.json, undefined)
+  })
+})