feat: 초기 프로젝트 설정 및 룰.md 파일 추가

api.hyungi.net/node_modules/shimmer/test/massUnwrap.tap.js

@@ -0,0 +1,121 @@
+'use strict'
+
+var tap = require('tap')
+var test = tap.test
+var sinon = require('sinon')
+var shimmer = require('../index.js')
+
+var outsider = 0
+function counter () { return ++outsider }
+function anticounter () { return --outsider }
+
+var generator = {
+  inc: counter,
+  dec: anticounter
+}
+
+test('should unwrap safely', function (t) {
+  t.plan(18)
+
+  t.equal(counter, generator.inc, 'basic function equality testing should work')
+  t.equal(anticounter, generator.dec, 'basic function equality testing should work')
+  t.doesNotThrow(function () { generator.inc() })
+  t.equal(1, outsider, 'calls have side effects')
+  t.doesNotThrow(function () { generator.dec() })
+  t.equal(0, outsider, 'calls have side effects')
+
+  function wrapper (original) {
+    return function () {
+      return original.apply(this, arguments)
+    }
+  }
+  shimmer.massWrap(generator, ['inc', 'dec'], wrapper)
+
+  t.doesNotEqual(counter, generator.inc, 'function should be wrapped')
+  t.doesNotEqual(anticounter, generator.dec, 'function should be wrapped')
+
+  t.doesNotThrow(function () { generator.inc() })
+  t.equal(1, outsider, 'original function has still been called')
+  t.doesNotThrow(function () { generator.dec() })
+  t.equal(0, outsider, 'original function has still been called')
+
+  shimmer.massUnwrap(generator, ['inc', 'dec'])
+  t.equal(counter, generator.inc, 'basic function equality testing should work')
+  t.equal(anticounter, generator.dec, 'basic function equality testing should work')
+
+  t.doesNotThrow(function () { generator.inc() })
+  t.equal(1, outsider, 'original function has still been called')
+  t.doesNotThrow(function () { generator.dec() })
+  t.equal(0, outsider, 'original function has still been called')
+})
+
+test("shouldn't throw on double unwrapping", function (t) {
+  t.plan(10)
+
+  t.equal(counter, generator.inc, 'basic function equality testing should work')
+  t.equal(anticounter, generator.dec, 'basic function equality testing should work')
+
+  var mock = sinon.stub()
+  shimmer({ logger: mock })
+
+  function wrapper (original) {
+    return function () {
+      return original.apply(this, arguments)
+    }
+  }
+  shimmer.wrap(generator, 'inc', wrapper)
+  shimmer.wrap(generator, 'dec', wrapper)
+
+  t.doesNotEqual(counter, generator.inc, 'function should be wrapped')
+  t.doesNotEqual(anticounter, generator.dec, 'function should be wrapped')
+
+  shimmer.massUnwrap(generator, ['inc', 'dec'])
+  t.equal(counter, generator.inc, 'basic function equality testing should work')
+  t.equal(anticounter, generator.dec, 'basic function equality testing should work')
+
+  t.doesNotThrow(function () { shimmer.massUnwrap(generator, ['inc', 'dec']) },
+    'should double unwrap without issue')
+  t.equal(counter, generator.inc, 'function is unchanged after unwrapping')
+  t.equal(anticounter, generator.dec, 'function is unchanged after unwrapping')
+
+  t.doesNotThrow(function () {
+    sinon.assert.calledWith(mock, 'no original to unwrap to -- ' +
+      'has inc already been unwrapped?')
+    sinon.assert.calledWith(mock, 'no original to unwrap to -- ' +
+      'has dec already been unwrapped?')
+    sinon.assert.calledTwice(mock)
+  }, 'logger was called with the expected message')
+})
+
+test('massUnwrap called with no arguments', function (t) {
+  t.plan(2)
+
+  var mock = sinon.expectation
+    .create('logger')
+    .twice()
+  shimmer({ logger: mock })
+
+  t.doesNotThrow(function () { shimmer.massUnwrap() }, 'should log instead of throwing')
+
+  t.doesNotThrow(function () {
+    mock.verify()
+  }, 'logger was called with the expected message')
+})
+
+test('massUnwrap called with module but nothing else', function (t) {
+  t.plan(2)
+
+  var mock = sinon.expectation
+    .create('logger')
+    .withExactArgs('must provide one or more functions to unwrap on modules')
+    .once()
+  shimmer({ logger: mock })
+
+  t.doesNotThrow(function () {
+    shimmer.massUnwrap(generator)
+  }, "wrapping with only 1 argument doesn't throw")
+
+  t.doesNotThrow(function () {
+    mock.verify()
+  }, 'logger was called with the expected message')
+})