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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
commite06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch)
tree55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/kareem/test/wrap.test.js
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-rw-r--r--node_modules/kareem/test/wrap.test.js342
1 files changed, 342 insertions, 0 deletions
diff --git a/node_modules/kareem/test/wrap.test.js b/node_modules/kareem/test/wrap.test.js
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+++ b/node_modules/kareem/test/wrap.test.js
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+var assert = require('assert');
+var Kareem = require('../');
+
+describe('wrap()', function() {
+ var hooks;
+
+ beforeEach(function() {
+ hooks = new Kareem();
+ });
+
+ it('handles pre errors', function(done) {
+ hooks.pre('cook', function(done) {
+ done('error!');
+ });
+
+ hooks.post('cook', function(obj) {
+ obj.tofu = 'no';
+ });
+
+ var obj = { bacon: 0, eggs: 0 };
+
+ var args = [obj];
+ args.push(function(error, result) {
+ assert.equal('error!', error);
+ assert.ok(!result);
+ assert.equal(undefined, obj.tofu);
+ done();
+ });
+
+ hooks.wrap(
+ 'cook',
+ function(o, callback) {
+ // Should never get called
+ assert.ok(false);
+ callback(null, o);
+ },
+ obj,
+ args);
+ });
+
+ it('handles pre errors when no callback defined', function(done) {
+ hooks.pre('cook', function(done) {
+ done('error!');
+ });
+
+ hooks.post('cook', function(obj) {
+ obj.tofu = 'no';
+ });
+
+ var obj = { bacon: 0, eggs: 0 };
+
+ var args = [obj];
+
+ hooks.wrap(
+ 'cook',
+ function(o, callback) {
+ // Should never get called
+ assert.ok(false);
+ callback(null, o);
+ },
+ obj,
+ args);
+
+ setTimeout(
+ function() {
+ done();
+ },
+ 25);
+ });
+
+ it('handles errors in wrapped function', function(done) {
+ hooks.pre('cook', function(done) {
+ done();
+ });
+
+ hooks.post('cook', function(obj) {
+ obj.tofu = 'no';
+ });
+
+ var obj = { bacon: 0, eggs: 0 };
+
+ var args = [obj];
+ args.push(function(error, result) {
+ assert.equal('error!', error);
+ assert.ok(!result);
+ assert.equal(undefined, obj.tofu);
+ done();
+ });
+
+ hooks.wrap(
+ 'cook',
+ function(o, callback) {
+ callback('error!');
+ },
+ obj,
+ args);
+ });
+
+ it('handles errors in post', function(done) {
+ hooks.pre('cook', function(done) {
+ done();
+ });
+
+ hooks.post('cook', function(obj, callback) {
+ obj.tofu = 'no';
+ callback('error!');
+ });
+
+ var obj = { bacon: 0, eggs: 0 };
+
+ var args = [obj];
+ args.push(function(error, result) {
+ assert.equal('error!', error);
+ assert.ok(!result);
+ assert.equal('no', obj.tofu);
+ done();
+ });
+
+ hooks.wrap(
+ 'cook',
+ function(o, callback) {
+ callback(null, o);
+ },
+ obj,
+ args);
+ });
+
+ it('defers errors to post hooks if enabled', function(done) {
+ hooks.pre('cook', function(done) {
+ done(new Error('fail'));
+ });
+
+ hooks.post('cook', function(error, res, callback) {
+ callback(new Error('another error occurred'));
+ });
+
+ var args = [];
+ args.push(function(error) {
+ assert.equal(error.message, 'another error occurred');
+ done();
+ });
+
+ hooks.wrap(
+ 'cook',
+ function(callback) {
+ assert.ok(false);
+ callback();
+ },
+ null,
+ args,
+ { useErrorHandlers: true, numCallbackParams: 1 });
+ });
+
+ it('error handlers with no callback', function(done) {
+ hooks.pre('cook', function(done) {
+ done(new Error('fail'));
+ });
+
+ hooks.post('cook', function(error, callback) {
+ assert.equal(error.message, 'fail');
+ done();
+ });
+
+ var args = [];
+
+ hooks.wrap(
+ 'cook',
+ function(callback) {
+ assert.ok(false);
+ callback();
+ },
+ null,
+ args,
+ { useErrorHandlers: true });
+ });
+
+ it('error handlers with no error', function(done) {
+ hooks.post('cook', function(error, callback) {
+ callback(new Error('another error occurred'));
+ });
+
+ var args = [];
+ args.push(function(error) {
+ assert.ifError(error);
+ done();
+ });
+
+ hooks.wrap(
+ 'cook',
+ function(callback) {
+ callback();
+ },
+ null,
+ args,
+ { useErrorHandlers: true });
+ });
+
+ it('works with no args', function(done) {
+ hooks.pre('cook', function(done) {
+ done();
+ });
+
+ hooks.post('cook', function(callback) {
+ obj.tofu = 'no';
+ callback();
+ });
+
+ var obj = { bacon: 0, eggs: 0 };
+
+ var args = [];
+
+ hooks.wrap(
+ 'cook',
+ function(callback) {
+ callback(null);
+ },
+ obj,
+ args);
+
+ setTimeout(
+ function() {
+ assert.equal('no', obj.tofu);
+ done();
+ },
+ 25);
+ });
+
+ it('handles pre errors with no args', function(done) {
+ hooks.pre('cook', function(done) {
+ done('error!');
+ });
+
+ hooks.post('cook', function(callback) {
+ obj.tofu = 'no';
+ callback();
+ });
+
+ var obj = { bacon: 0, eggs: 0 };
+
+ var args = [];
+
+ hooks.wrap(
+ 'cook',
+ function(callback) {
+ callback(null);
+ },
+ obj,
+ args);
+
+ setTimeout(
+ function() {
+ assert.equal(undefined, obj.tofu);
+ done();
+ },
+ 25);
+ });
+
+ it('handles wrapped function errors with no args', function(done) {
+ hooks.pre('cook', function(done) {
+ obj.waffles = false;
+ done();
+ });
+
+ hooks.post('cook', function(callback) {
+ obj.tofu = 'no';
+ callback();
+ });
+
+ var obj = { bacon: 0, eggs: 0 };
+
+ var args = [];
+
+ hooks.wrap(
+ 'cook',
+ function(callback) {
+ callback('error!');
+ },
+ obj,
+ args);
+
+ setTimeout(
+ function() {
+ assert.equal(false, obj.waffles);
+ assert.equal(undefined, obj.tofu);
+ done();
+ },
+ 25);
+ });
+
+ it('handles post errors with no args', function(done) {
+ hooks.pre('cook', function(done) {
+ obj.waffles = false;
+ done();
+ });
+
+ hooks.post('cook', function(callback) {
+ obj.tofu = 'no';
+ callback('error!');
+ });
+
+ var obj = { bacon: 0, eggs: 0 };
+
+ var args = [];
+
+ hooks.wrap(
+ 'cook',
+ function(callback) {
+ callback();
+ },
+ obj,
+ args);
+
+ setTimeout(
+ function() {
+ assert.equal(false, obj.waffles);
+ assert.equal('no', obj.tofu);
+ done();
+ },
+ 25);
+ });
+
+ it('sync wrappers', function() {
+ var calledPre = 0;
+ var calledFn = 0;
+ var calledPost = 0;
+ hooks.pre('cook', function() {
+ ++calledPre;
+ });
+
+ hooks.post('cook', function() {
+ ++calledPost;
+ });
+
+ var wrapper = hooks.createWrapperSync('cook', function() { ++calledFn; });
+
+ wrapper();
+
+ assert.equal(calledPre, 1);
+ assert.equal(calledFn, 1);
+ assert.equal(calledPost, 1);
+ });
+});