chaijs / simple-assert

Vanilla Assertions

simple-assert

Vanilla Assertions

A simple assert wrapper around chaijs/assertion-error. This probably won't be useful to the average user unless you are a minimalist; you probably want Chai. We use it to avoid circular dependencies when testing Chai's dependencies.

Installation

Node.js

simple-assert is available on npm.

$ npm install simple-assert

Component

simple-assert is available as a component.

$ component install chaijs/simple-assert

Usage

assert (expr[, msg])

• @param {Mixed} expression to test for truthiness
• @param {String} message on failure

Perform a truthy assertion.

var assert = require('simple-assert');
assert(true, 'true is truthy');
assert(1, '1 is truthy');
assert('string', 'string is truthy');

assert.not (expr[, msg])

• @param {Mixed} express to test for falsiness
• @param {String} messag eon failure

Perform a falsey assertion.

db.get(123, function (err, doc) {
  assert.not(err, 'db.get returned error');
  // ...
});

assert.fail ([msg])

• @param {String} failure message

Force an AssertionError to be thrown.

switch (res.statusCode) {
  case 200:
    // ..
    break;
  case 404:
    // ..
    break;
  default:
    assert.fail('Unknown response statusCode');
}

License

(The MIT License)

Copyright (c) 2012 Jake Luer [email protected] (http://alogicalparadox.com)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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