chai-to-assert

chai-to-assert

A jscodeshift codemod that transforms from chai to Node assert.

USAGE

$ npm install -g jscodeshift
$ npm install chai-to-assert
$ jscodeshift -t node_modules/chai-to-assert/lib/bdd-api-to-node-assert.js target-dir

FEATURES

BDD Style API

• expect
• should

properties

• .ok
• .true
• .false
• .null
• .undefined
• .exist
• .NaN
• .finite
• .extensible
• .sealed
• .frozen

chainable methods

• .a(type) (alias an) (only for primitives and null)
• .lengthOf(value) (alias .length)

methods

• .equal(value) (alias .equals, .eq)
• .eql(value) (alias .eqls)
• .match(regexp) (alias .matches)
• .above(value) (alias .gt, .greaterThan)
• .least(value) (alias .gte)
• .below(value) (alias .lt, .lessThan)
• .most(value) (alias .lte)
• .within(start, finish)
• .closeTo(expected, delta) (alias .approximately)
• .property(name, [value])
• .ownProperty(name, [value]) (alias .haveOwnProperty)
• .ownPropertyDescriptor(name, [descriptor]) (alias .haveOwnPropertyDescriptor)
• .instanceof(constructor) (alias .instanceOf)
• .throw([errorLike], [errMsgMatcher]) (alias .throws, .Throw)
• .respondTo(method) (alias .respondsTo)
• .satisfy(predicate) (alias .satisfies)
• .string(string)
• .oneOf(list)

AUTHOR

• Takuto Wada

LICENSE

Licensed under the MIT license.

Changelog

1.0.0 (2017-02-15)

Features

• support BDD should style as well (9f68bd6a)

Breaking Changes

• transform file name has changed (6e339515)

before:

$ jscodeshift -t node_modules/chai-to-assert/lib/expect-to-assert.js target-dir

after:

$ jscodeshift -t node_modules/chai-to-assert/lib/bdd-api-to-node-assert.js target-dir