Current Dev State

static/js/ketcher2/node_modules/function-loop/test.js

@@ -0,0 +1,107 @@
+var t = require('tap')
+var loop = require('./')
+var obj = {}
+
+t.test('basic passing operation', function (t) {
+  var i = 0
+  loop(obj, [
+    function (cb) {
+      t.equal(this, obj, 'this is correct 1')
+      t.equal(i, 0, '0')
+      cb()
+      i++
+    },
+    function () {
+      t.equal(this, obj, 'this is correct 2')
+      t.equal(i++, 1, '1')
+      return Promise.resolve(true)
+    },
+    function (cb) {
+      t.equal(this, obj, 'this is correct 3')
+      t.equal(i++, 2, '2')
+      setTimeout(cb)
+    },
+    function (cb) {
+      t.equal(this, obj, 'this is correct 4')
+      t.equal(i++, 3, '3')
+      process.nextTick(cb)
+    }
+  ], function () {
+    t.equal(this, obj, 'this is correct 5')
+    t.equal(i++, 4, '4')
+    t.end()
+  }, function (er) {
+    throw er
+  })
+  t.equal(i, 2, '2, after loop() call')
+})
+
+t.test('throws', function (t) {
+  loop(obj, [
+    function (cb) {
+      t.equal(this, obj, 'this is correct')
+      throw new Error('foo')
+    },
+    function () {
+      t.fail('should not get here')
+    }
+  ], function () {
+    t.fail('should not get here')
+  }, function (er) {
+    t.match(er, { message: 'foo' })
+    t.end()
+  })
+})
+
+t.test('all sync', function (t) {
+  var i = 0
+  loop(obj, [
+    function (cb) { t.equal(i++, 0); cb() },
+    function (cb) { t.equal(i++, 1); cb() },
+    function (cb) { t.equal(i++, 2); cb() },
+    function (cb) { t.equal(i++, 3); cb() },
+    function (cb) { t.equal(i++, 4); cb() }
+  ], function () {
+    t.equal(i++, 5)
+  }, function (er) {
+    throw er
+  })
+  t.equal(i, 6)
+  t.end()
+})
+
+t.test('broken promise', function (t) {
+  loop(obj, [
+    function (cb) {
+      t.equal(this, obj, 'this is correct')
+      return Promise.reject(new Error('foo'))
+    },
+    function () {
+      t.fail('should not get here')
+    }
+  ], function () {
+    t.fail('should not get here')
+  }, function (er) {
+    t.equal(this, obj, 'this is correct')
+    t.match(er, { message: 'foo' })
+    t.end()
+  })
+})
+
+t.test('cb err', function (t) {
+  loop(obj, [
+    function (cb) {
+      t.equal(this, obj, 'this is correct')
+      cb(new Error('foo'))
+    },
+    function () {
+      t.fail('should not get here')
+    }
+  ], function () {
+    t.fail('should not get here')
+  }, function (er) {
+    t.equal(this, obj, 'this is correct')
+    t.match(er, { message: 'foo' })
+    t.end()
+  })
+})