change approach again

node_modules/command-line-args/test/exceptions.js

@@ -0,0 +1,176 @@
+'use strict'
+const TestRunner = require('test-runner')
+const commandLineArgs = require('../')
+const a = require('assert')
+
+const runner = new TestRunner()
+
+runner.test('err-invalid-definition: throws when no definition.name specified', function () {
+  const optionDefinitions = [
+    { something: 'one' },
+    { something: 'two' }
+  ]
+  const argv = [ '--one', '--two' ]
+  try {
+    commandLineArgs(optionDefinitions, { argv })
+    a.fail()
+  } catch (err) {
+    a.strictEqual(err.name, 'NAME_MISSING')
+  }
+})
+
+runner.test('err-invalid-definition: throws if dev set a numeric alias', function () {
+  const optionDefinitions = [
+    { name: 'colours', alias: '1' }
+  ]
+  const argv = [ '--colours', 'red' ]
+
+  try {
+    commandLineArgs(optionDefinitions, { argv })
+    a.fail()
+  } catch (err) {
+    a.strictEqual(err.name, 'INVALID_ALIAS')
+  }
+})
+
+runner.test('err-invalid-definition: throws if dev set an alias of "-"', function () {
+  const optionDefinitions = [
+    { name: 'colours', alias: '-' }
+  ]
+  const argv = [ '--colours', 'red' ]
+
+  try {
+    commandLineArgs(optionDefinitions, { argv })
+    a.fail()
+  } catch (err) {
+    a.strictEqual(err.name, 'INVALID_ALIAS')
+  }
+})
+
+runner.test('err-invalid-definition: multi-character alias', function () {
+  const optionDefinitions = [
+    { name: 'one', alias: 'aa' }
+  ]
+  const argv = [ '--one', 'red' ]
+
+  try {
+    commandLineArgs(optionDefinitions, { argv })
+    a.fail()
+  } catch (err) {
+    a.strictEqual(err.name, 'INVALID_ALIAS')
+  }
+})
+
+runner.test('err-invalid-definition: invalid type values', function () {
+  const argv = [ '--one', 'something' ]
+  try {
+    commandLineArgs([ { name: 'one', type: 'string' } ], { argv })
+    a.fail()
+  } catch (err) {
+    a.strictEqual(err.name, 'INVALID_TYPE')
+  }
+
+  try {
+    commandLineArgs([ { name: 'one', type: 234 } ], { argv })
+    a.fail()
+  } catch (err) {
+    a.strictEqual(err.name, 'INVALID_TYPE')
+  }
+
+  try {
+    commandLineArgs([ { name: 'one', type: {} } ], { argv })
+    a.fail()
+  } catch (err) {
+    a.strictEqual(err.name, 'INVALID_TYPE')
+  }
+
+  a.doesNotThrow(function () {
+    commandLineArgs([ { name: 'one', type: function () {} } ], { argv })
+  }, /invalid/i)
+})
+
+runner.test('err-invalid-definition: value without option definition', function () {
+  const optionDefinitions = [
+    { name: 'one', type: Number }
+  ]
+
+  a.deepStrictEqual(
+    commandLineArgs(optionDefinitions, { argv: [ '--one', '1' ] }),
+    { one: 1 }
+  )
+
+  try {
+    commandLineArgs(optionDefinitions, { argv: [ '--one', '--two' ] })
+    a.fail()
+  } catch (err) {
+    a.strictEqual(err.name, 'UNKNOWN_OPTION')
+  }
+
+  try {
+    commandLineArgs(optionDefinitions, { argv: [ '--one', '2', '--two', 'two' ] })
+    a.fail()
+  } catch (err) {
+    a.strictEqual(err.name, 'UNKNOWN_OPTION')
+  }
+
+  try {
+    commandLineArgs(optionDefinitions, { argv: [ '-a', '2' ] })
+    a.fail()
+  } catch (err) {
+    a.strictEqual(err.name, 'UNKNOWN_OPTION')
+  }
+
+  try {
+    commandLineArgs(optionDefinitions, { argv: [ '-sdf' ] })
+    a.fail()
+  } catch (err) {
+    a.strictEqual(err.name, 'UNKNOWN_OPTION', 'getOpts')
+  }
+})
+
+runner.test('err-invalid-definition: duplicate name', function () {
+  const optionDefinitions = [
+    { name: 'colours' },
+    { name: 'colours' }
+  ]
+  const argv = [ '--colours', 'red' ]
+
+  try {
+    commandLineArgs(optionDefinitions, { argv })
+    a.fail()
+  } catch (err) {
+    a.strictEqual(err.name, 'DUPLICATE_NAME')
+  }
+})
+
+runner.test('err-invalid-definition: duplicate alias', function () {
+  const optionDefinitions = [
+    { name: 'one', alias: 'a' },
+    { name: 'two', alias: 'a' }
+  ]
+  const argv = [ '--one', 'red' ]
+
+  try {
+    commandLineArgs(optionDefinitions, { argv })
+    a.fail()
+  } catch (err) {
+    a.strictEqual(err.name, 'DUPLICATE_ALIAS')
+  }
+})
+
+runner.test('err-invalid-definition: multiple defaultOption', function () {
+  const optionDefinitions = [
+    { name: 'one', defaultOption: true },
+    { name: 'two', defaultOption: true }
+  ]
+  const argv = [ '--one', 'red' ]
+
+  try {
+    commandLineArgs(optionDefinitions, { argv })
+    a.fail()
+  } catch (err) {
+    a.strictEqual(err.name, 'DUPLICATE_DEFAULT_OPTION')
+  }
+})
+
+runner.test('err-invalid-defaultOption: defaultOption on a Boolean type')