change approach again

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

@@ -0,0 +1,120 @@
+'use strict'
+const TestRunner = require('test-runner')
+const commandLineArgs = require('../')
+const a = require('assert')
+
+const runner = new TestRunner()
+
+runner.test('groups', function () {
+  const definitions = [
+    { name: 'one', group: 'a' },
+    { name: 'two', group: 'a' },
+    { name: 'three', group: 'b' }
+  ]
+  const argv = [ '--one', '1', '--two', '2', '--three', '3' ]
+  const output = commandLineArgs(definitions, { argv })
+  a.deepStrictEqual(output, {
+    a: {
+      one: '1',
+      two: '2'
+    },
+    b: {
+      three: '3'
+    },
+    _all: {
+      one: '1',
+      two: '2',
+      three: '3'
+    }
+  })
+})
+
+runner.test('groups: multiple and _none', function () {
+  const definitions = [
+    { name: 'one', group: ['a', 'f'] },
+    { name: 'two', group: ['a', 'g'] },
+    { name: 'three' }
+  ]
+
+  a.deepStrictEqual(commandLineArgs(definitions, { argv: [ '--one', '1', '--two', '2', '--three', '3' ] }), {
+    a: {
+      one: '1',
+      two: '2'
+    },
+    f: {
+      one: '1'
+    },
+    g: {
+      two: '2'
+    },
+    _none: {
+      three: '3'
+    },
+    _all: {
+      one: '1',
+      two: '2',
+      three: '3'
+    }
+  })
+})
+
+runner.test('groups: nothing set', function () {
+  const definitions = [
+    { name: 'one', group: 'a' },
+    { name: 'two', group: 'a' },
+    { name: 'three', group: 'b' }
+  ]
+  const argv = [ ]
+  const output = commandLineArgs(definitions, { argv })
+  a.deepStrictEqual(output, {
+    a: {},
+    b: {},
+    _all: {}
+  })
+})
+
+runner.test('groups: nothing set with one ungrouped', function () {
+  const definitions = [
+    { name: 'one', group: 'a' },
+    { name: 'two', group: 'a' },
+    { name: 'three' }
+  ]
+  const argv = [ ]
+  const output = commandLineArgs(definitions, { argv })
+  a.deepStrictEqual(output, {
+    a: {},
+    _all: {}
+  })
+})
+
+runner.test('groups: two ungrouped, one set', function () {
+  const definitions = [
+    { name: 'one', group: 'a' },
+    { name: 'two', group: 'a' },
+    { name: 'three' },
+    { name: 'four' }
+  ]
+  const argv = [ '--three', '3' ]
+  const output = commandLineArgs(definitions, { argv })
+  a.deepStrictEqual(output, {
+    a: {},
+    _all: { three: '3' },
+    _none: { three: '3' }
+  })
+})
+
+runner.test('groups: two ungrouped, both set', function () {
+  const definitions = [
+    { name: 'one', group: 'a' },
+    { name: 'two', group: 'a' },
+    { name: 'three' },
+    { name: 'four' }
+  ]
+  const argv = [ '--three', '3', '--four', '4' ]
+  const output = commandLineArgs(definitions, { argv })
+  a.deepStrictEqual(output, {
+    a: {},
+    _all: { three: '3', four: '4' },
+    _none: { three: '3', four: '4' }
+  })
+})