Initial commit

node_modules/kareem/test/pre.test.js

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+'use strict';
+
+const assert = require('assert');
+const Kareem = require('../');
+
+describe('execPre', function() {
+  var hooks;
+
+  beforeEach(function() {
+    hooks = new Kareem();
+  });
+
+  it('handles errors with multiple pres', function(done) {
+    var execed = {};
+
+    hooks.pre('cook', function(done) {
+      execed.first = true;
+      done();
+    });
+
+    hooks.pre('cook', function(done) {
+      execed.second = true;
+      done('error!');
+    });
+
+    hooks.pre('cook', function(done) {
+      execed.third = true;
+      done();
+    });
+
+    hooks.execPre('cook', null, function(err) {
+      assert.equal('error!', err);
+      assert.equal(2, Object.keys(execed).length);
+      assert.ok(execed.first);
+      assert.ok(execed.second);
+      done();
+    });
+  });
+
+  it('sync errors', function(done) {
+    var called = 0;
+
+    hooks.pre('cook', function(next) {
+      throw new Error('woops!');
+    });
+
+    hooks.pre('cook', function(next) {
+      ++called;
+      next();
+    });
+
+    hooks.execPre('cook', null, function(err) {
+      assert.equal(err.message, 'woops!');
+      assert.equal(called, 0);
+      done();
+    });
+  });
+
+  it('unshift', function() {
+    var f1 = function() {};
+    var f2 = function() {};
+    hooks.pre('cook', false, f1);
+    hooks.pre('cook', false, f2, null, true);
+    assert.strictEqual(hooks._pres.get('cook')[0].fn, f2);
+    assert.strictEqual(hooks._pres.get('cook')[1].fn, f1);
+  });
+
+  it('throws error if no function', function() {
+    assert.throws(() => hooks.pre('test'), /got "undefined"/);
+  });
+
+  it('arbitrary options', function() {
+    const f1 = function() {};
+    const f2 = function() {};
+    hooks.pre('cook', { foo: 'bar' }, f1);
+    hooks.pre('cook', { bar: 'baz' }, f2, null, true);
+    assert.equal(hooks._pres.get('cook')[1].foo, 'bar');
+    assert.equal(hooks._pres.get('cook')[0].bar, 'baz');
+  });
+
+  it('handles async errors', function(done) {
+    var execed = {};
+
+    hooks.pre('cook', true, function(next, done) {
+      execed.first = true;
+      setTimeout(
+        function() {
+          done('error!');
+        },
+        5);
+
+      next();
+    });
+
+    hooks.pre('cook', true, function(next, done) {
+      execed.second = true;
+      setTimeout(
+        function() {
+          done('other error!');
+        },
+        10);
+
+      next();
+    });
+
+    hooks.execPre('cook', null, function(err) {
+      assert.equal('error!', err);
+      assert.equal(2, Object.keys(execed).length);
+      assert.ok(execed.first);
+      assert.ok(execed.second);
+      done();
+    });
+  });
+
+  it('handles async errors in next()', function(done) {
+    var execed = {};
+
+    hooks.pre('cook', true, function(next, done) {
+      execed.first = true;
+      setTimeout(
+        function() {
+          done('other error!');
+        },
+        15);
+
+      next();
+    });
+
+    hooks.pre('cook', true, function(next, done) {
+      execed.second = true;
+      setTimeout(
+        function() {
+          next('error!');
+          done('another error!');
+        },
+        5);
+    });
+
+    hooks.execPre('cook', null, function(err) {
+      assert.equal('error!', err);
+      assert.equal(2, Object.keys(execed).length);
+      assert.ok(execed.first);
+      assert.ok(execed.second);
+      done();
+    });
+  });
+
+  it('handles async errors in next() when already done', function(done) {
+    var execed = {};
+
+    hooks.pre('cook', true, function(next, done) {
+      execed.first = true;
+      setTimeout(
+        function() {
+          done('other error!');
+        },
+        5);
+
+      next();
+    });
+
+    hooks.pre('cook', true, function(next, done) {
+      execed.second = true;
+      setTimeout(
+        function() {
+          next('error!');
+          done('another error!');
+        },
+        25);
+    });
+
+    hooks.execPre('cook', null, function(err) {
+      assert.equal('other error!', err);
+      assert.equal(2, Object.keys(execed).length);
+      assert.ok(execed.first);
+      assert.ok(execed.second);
+      done();
+    });
+  });
+
+  it('async pres with clone()', function(done) {
+    var execed = false;
+
+    hooks.pre('cook', true, function(next, done) {
+      execed = true;
+      setTimeout(
+        function() {
+          done();
+        },
+        5);
+
+      next();
+    });
+
+    hooks.clone().execPre('cook', null, function(err) {
+      assert.ifError(err);
+      assert.ok(execed);
+      done();
+    });
+  });
+
+  it('returns correct error when async pre errors', function(done) {
+    var execed = {};
+
+    hooks.pre('cook', true, function(next, done) {
+      execed.first = true;
+      setTimeout(
+        function() {
+          done('other error!');
+        },
+        5);
+
+      next();
+    });
+
+    hooks.pre('cook', function(next) {
+      execed.second = true;
+      setTimeout(
+        function() {
+          next('error!');
+        },
+        15);
+    });
+
+    hooks.execPre('cook', null, function(err) {
+      assert.equal('other error!', err);
+      assert.equal(2, Object.keys(execed).length);
+      assert.ok(execed.first);
+      assert.ok(execed.second);
+      done();
+    });
+  });
+
+  it('lets async pres run when fully sync pres are done', function(done) {
+    var execed = {};
+
+    hooks.pre('cook', true, function(next, done) {
+      execed.first = true;
+      setTimeout(
+        function() {
+          done();
+        },
+        5);
+
+      next();
+    });
+
+    hooks.pre('cook', function() {
+      execed.second = true;
+    });
+
+    hooks.execPre('cook', null, function(err) {
+      assert.ifError(err);
+      assert.equal(2, Object.keys(execed).length);
+      assert.ok(execed.first);
+      assert.ok(execed.second);
+      done();
+    });
+  });
+
+  it('allows passing arguments to the next pre', function(done) {
+    var execed = {};
+
+    hooks.pre('cook', function(next) {
+      execed.first = true;
+      next(null, 'test');
+    });
+
+    hooks.pre('cook', function(next, p) {
+      execed.second = true;
+      assert.equal(p, 'test');
+      next();
+    });
+
+    hooks.pre('cook', function(next, p) {
+      execed.third = true;
+      assert.ok(!p);
+      next();
+    });
+
+    hooks.execPre('cook', null, function(err) {
+      assert.ifError(err);
+      assert.equal(3, Object.keys(execed).length);
+      assert.ok(execed.first);
+      assert.ok(execed.second);
+      assert.ok(execed.third);
+      done();
+    });
+  });
+
+  it('handles sync errors in pre if there are more hooks', function(done) {
+    var execed = {};
+
+    hooks.pre('cook', function() {
+      execed.first = true;
+      throw new Error('Oops!');
+    });
+
+    hooks.pre('cook', function() {
+      execed.second = true;
+    });
+
+    hooks.execPre('cook', null, function(err) {
+      assert.ok(err);
+      assert.ok(execed.first);
+      assert.equal(err.message, 'Oops!');
+      done();
+    });
+  });
+});
+
+describe('execPreSync', function() {
+  var hooks;
+
+  beforeEach(function() {
+    hooks = new Kareem();
+  });
+
+  it('executes hooks synchronously', function() {
+    var execed = {};
+
+    hooks.pre('cook', function() {
+      execed.first = true;
+    });
+
+    hooks.pre('cook', function() {
+      execed.second = true;
+    });
+
+    hooks.execPreSync('cook', null);
+    assert.ok(execed.first);
+    assert.ok(execed.second);
+  });
+
+  it('works with no hooks specified', function() {
+    assert.doesNotThrow(function() {
+      hooks.execPreSync('cook', null);
+    });
+  });
+});