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508 lines
20 KiB
Markdown
# Release Notes
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## 1.9.2 / 2014-09-29
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The following changes are required if you are upgrading from the previous version:
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- **Users:**
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- No changes required
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- **Plugin Developers:**
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- No changes required
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- **Core Contributors:**
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- Refresh `node_modules` folder for updated dependencies.
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### Community Contributions
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- [#264](https://github.com/chaijs/chai/pull/264) Show diff for keys assertions [@cjthompson](https://github.com/cjthompson)
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- [#267](https://github.com/chaijs/chai/pull/267) Use SVG badges [@shinnn](https://github.com/shinnn)
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- [#268](https://github.com/chaijs/chai/pull/268) Allow messages to be functions (sinon-compat) [@charlierudolph](https://github.com/charlierudolph)
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- [#269](https://github.com/chaijs/chai/pull/269) Remove unused argument for #lengthOf [@charlierudolph](https://github.com/charlierudolph)
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- [#275](https://github.com/chaijs/chai/pull/275) Rewrite pretty-printing HTML elements to prevent throwing internal errors [@DrRataplan](https://github.com/DrRataplan)
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- [#277](https://github.com/chaijs/chai/pull/277) Fix assert documentation for #sameMembers [@charlierudolph](https://github.com/charlierudolph)
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- [#279](https://github.com/chaijs/chai/pull/279) closeTo should check value's type before assertion [@mohayonao](https://github.com/mohayonao)
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- [#289](https://github.com/chaijs/chai/pull/289) satisfy is called twice [@charlierudolph](https://github.com/charlierudolph)
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- [#292](https://github.com/chaijs/chai/pull/292) resolve conflicts with node-webkit and global usage [@boneskull](https://github.com/boneskull)
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Thank you to all who took time to contribute!
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## 1.9.1 / 2014-03-19
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The following changes are required if you are upgrading from the previous version:
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- **Users:**
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- Migrate configuration options to new interface. (see notes)
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- **Plugin Developers:**
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- No changes required
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- **Core Contributors:**
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- Refresh `node_modules` folder for updated dependencies.
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### Configuration
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There have been requests for changes and additions to the configuration mechanisms
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and their impact in the Chai architecture. As such, we have decoupled the
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configuration from the `Assertion` constructor. This not only allows for centralized
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configuration, but will allow us to shift the responsibility from the `Assertion`
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constructor to the `assert` interface in future releases.
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These changes have been implemented in a non-breaking way, but a depretiation
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warning will be presented to users until they migrate. The old config method will
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be removed in either `v1.11.0` or `v2.0.0`, whichever comes first.
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#### Quick Migration
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```js
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// change this:
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chai.Assertion.includeStack = true;
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chai.Assertion.showDiff = false;
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// ... to this:
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chai.config.includeStack = true;
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chai.config.showDiff = false;
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```
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#### All Config Options
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##### config.includeStack
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- **@param** _{Boolean}_
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- **@default** `false`
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User configurable property, influences whether stack trace is included in
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Assertion error message. Default of `false` suppresses stack trace in the error
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message.
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##### config.showDiff
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- **@param** _{Boolean}_
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- **@default** `true`
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User configurable property, influences whether or not the `showDiff` flag
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should be included in the thrown AssertionErrors. `false` will always be `false`;
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`true` will be true when the assertion has requested a diff be shown.
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##### config.truncateThreshold **(NEW)**
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- **@param** _{Number}_
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- **@default** `40`
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User configurable property, sets length threshold for actual and expected values
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in assertion errors. If this threshold is exceeded, the value is truncated.
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Set it to zero if you want to disable truncating altogether.
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```js
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chai.config.truncateThreshold = 0; // disable truncating
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```
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### Community Contributions
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- [#228](https://github.com/chaijs/chai/pull/228) Deep equality check for memebers. [@duncanbeevers](https://github.com/duncanbeevers)
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- [#247](https://github.com/chaijs/chai/pull/247) Proofreading. [@didorellano](https://github.com/didoarellano)
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- [#244](https://github.com/chaijs/chai/pull/244) Fix `contain`/`include` 1.9.0 regression. [@leider](https://github.com/leider)
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- [#233](https://github.com/chaijs/chai/pull/233) Improvements to `ssfi` for `assert` interface. [@refack](https://github.com/refack)
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- [#251](https://github.com/chaijs/chai/pull/251) New config option: object display threshold. [@romario333](https://github.com/romario333)
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Thank you to all who took time to contribute!
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### Other Bug Fixes
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- [#183](https://github.com/chaijs/chai/issues/183) Allow `undefined` for actual. (internal api)
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- Update Karam(+plugins)/Istanbul to most recent versions.
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## 1.9.0 / 2014-01-29
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The following changes are required if you are upgrading from the previous version:
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- **Users:**
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- No changes required
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- **Plugin Developers:**
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- Review [#219](https://github.com/chaijs/chai/pull/219).
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- **Core Contributors:**
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- Refresh `node_modules` folder for updated dependencies.
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### Community Contributions
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- [#202](https://github.com/chaijs/chai/pull/201) Improve error message for .throw(). [@andreineculau](https://github.com/andreineculau)
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- [#217](https://github.com/chaijs/chai/pull/217) Chai tests can be run with `--watch`. [@demands](https://github.com/demands)
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- [#219](https://github.com/chaijs/chai/pull/219) Add overwriteChainableMethod utility. [@demands](https://github.com/demands)
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- [#224](https://github.com/chaijs/chai/pull/224) Return error on throw method to chain on error properties. [@vbardales](https://github.com/vbardales)
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- [#226](https://github.com/chaijs/chai/pull/226) Add `has` to language chains. [@duncanbeevers](https://github.com/duncanbeevers)
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- [#230](https://github.com/chaijs/chai/pull/230) Support `{a:1,b:2}.should.include({a:1})` [@jkroso](https://github.com/jkroso)
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- [#231](https://github.com/chaijs/chai/pull/231) Update Copyright notices to 2014 [@duncanbeevers](https://github.com/duncanbeevers)
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- [#232](https://github.com/chaijs/chai/pull/232) Avoid error instantiation if possible on assert.throws. [@laconbass](https://github.com/laconbass)
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Thank you to all who took time to contribute!
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### Other Bug Fixes
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- [#225](https://github.com/chaijs/chai/pull/225) Improved AMD wrapper provided by upstream `component(1)`.
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- [#185](https://github.com/chaijs/chai/issues/185) `assert.throws()` returns thrown error for further assertions.
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- [#237](https://github.com/chaijs/chai/pull/237) Remove coveralls/jscoverage, include istanbul coverage report in travis test.
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- Update Karma and Sauce runner versions for consistent CI results. No more karma@canary.
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## 1.8.1 / 2013-10-10
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The following changes are required if you are upgrading from the previous version:
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- **Users:**
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- Refresh `node_modules` folder for updated dependencies.
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- **Plugin Developers:**
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- No changes required
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- **Core Contributors:**
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- Refresh `node_modules` folder for updated dependencies.
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### Browserify
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This is a small patch that updates the dependency tree so browserify users can install
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chai. (Remove conditional requires)
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## 1.8.0 / 2013-09-18
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The following changes are required if you are upgrading from the previous version:
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- **Users:**
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- See `deep.equal` notes.
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- **Plugin Developers:**
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- No changes required
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- **Core Contributors:**
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- Refresh `node_modules` folder for updated dependencies.
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### Deep Equals
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This version of Chai focused on a overhaul to the deep equal utility. The code for this
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tool has been removed from the core lib and can now be found at:
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[chai / deep-eql](https://github.com/chaijs/deep-eql). As stated in previous releases,
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this is part of a larger initiative to provide transparency, independent testing, and coverage for
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some of the more complicated internal tools.
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For the most part `.deep.equal` will behave the same as it has. However, in order to provide a
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consistent ruleset across all types being tested, the following changes have been made and _might_
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require changes to your tests.
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**1.** Strict equality for non-traversable nodes according to [egal](http://wiki.ecmascript.org/doku.php?id=harmony:egal).
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_Previously:_ Non-traversable equal via `===`.
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```js
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expect(NaN).to.deep.equal(NaN);
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expect(-0).to.not.deep.equal(+0);
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```
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**2.** Arguments are not Arrays (and all types must be equal):
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_Previously:_ Some crazy nonsense that led to empty arrays deep equaling empty objects deep equaling dates.
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```js
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expect(arguments).to.not.deep.equal([]);
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expect(Array.prototype.slice.call(arguments)).to.deep.equal([]);
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```
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- [#156](https://github.com/chaijs/chai/issues/156) Empty object is eql to empty array
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- [#192](https://github.com/chaijs/chai/issues/192) empty object is eql to a Date object
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- [#194](https://github.com/chaijs/chai/issues/194) refactor deep-equal utility
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### CI and Browser Testing
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Chai now runs the browser CI suite using [Karma](http://karma-runner.github.io/) directed at
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[SauceLabs](https://saucelabs.com/). This means we get to know where our browser support stands...
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and we get a cool badge:
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[](https://saucelabs.com/u/logicalparadox)
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Look for the list of browsers/versions to expand over the coming releases.
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- [#195](https://github.com/chaijs/chai/issues/195) karma test framework
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## 1.7.2 / 2013-06-27
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The following changes are required if you are upgrading from the previous version:
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- **Users:**
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- No changes required.
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- **Plugin Developers:**
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- No changes required
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- **Core Contributors:**
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- Refresh `node_modules` folder for updated dependencies.
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### Coverage Reporting
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Coverage reporting has always been available for core-developers but the data has never been published
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for our end users. In our ongoing effort to improve accountability this data will now be published via
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the [coveralls.io](https://coveralls.io/) service. A badge has been added to the README and the full report
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can be viewed online at the [chai coveralls project](https://coveralls.io/r/chaijs/chai). Furthermore, PRs
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will receive automated messages indicating how their PR impacts test coverage. This service is tied to TravisCI.
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### Other Fixes
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- [#175](https://github.com/chaijs/chai/issues/175) Add `bower.json`. (Fix ignore all)
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## 1.7.1 / 2013-06-24
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The following changes are required if you are upgrading from the previous version:
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- **Users:**
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- No changes required.
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- **Plugin Developers:**
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- No changes required
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- **Core Contributors:**
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- Refresh `node_modules` folder for updated dependencies.
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### Official Bower Support
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Support has been added for the Bower Package Manager ([bower.io])(http://bower.io/). Though
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Chai could be installed via Bower in the past, this update adds official support via the `bower.json`
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specification file.
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- [#175](https://github.com/chaijs/chai/issues/175) Add `bower.json`.
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## 1.7.0 / 2013-06-17
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The following changes are required if you are upgrading from the previous version:
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- **Users:**
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- No changes required.
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- **Plugin Developers:**
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- Review AssertionError update notice.
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- **Core Contributors:**
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- Refresh `node_modules` folder for updated dependencies.
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### AssertionError Update Notice
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Chai now uses [chaijs/assertion-error](https://github.com/chaijs/assertion-error) instead an internal
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constructor. This will allow for further iteration/experimentation of the AssertionError constructor
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independant of Chai. Future plans include stack parsing for callsite support.
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This update constructor has a different constructor param signature that conforms more with the standard
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`Error` object. If your plugin throws and `AssertionError` directly you will need to update your plugin
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with the new signature.
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```js
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var AssertionError = require('chai').AssertionError;
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/**
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* previous
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*
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* @param {Object} options
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*/
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throw new AssertionError({
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message: 'An assertion error occurred'
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, actual: actual
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, expect: expect
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, startStackFunction: arguments.callee
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, showStack: true
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});
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/**
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* new
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*
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* @param {String} message
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* @param {Object} options
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* @param {Function} start stack function
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*/
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throw new AssertionError('An assertion error occurred', {
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actual: actual
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, expect: expect
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, showStack: true
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}, arguments.callee);
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// other signatures
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throw new AssertionError('An assertion error occurred');
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throw new AssertionError('An assertion error occurred', null, arguments.callee);
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```
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#### External Dependencies
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This is the first non-developement dependency for Chai. As Chai continues to evolve we will begin adding
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more; the next will likely be improved type detection and deep equality. With Chai's userbase continually growing
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there is an higher need for accountability and documentation. External dependencies will allow us to iterate and
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test on features independent from our interfaces.
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Note: The browser packaged version `chai.js` will ALWAYS contain all dependencies needed to run Chai.
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### Community Contributions
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- [#169](https://github.com/chaijs/chai/pull/169) Fix deep equal comparison for Date/Regexp types. [@katsgeorgeek](https://github.com/katsgeorgeek)
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- [#171](https://github.com/chaijs/chai/pull/171) Add `assert.notOk()`. [@Bartvds](https://github.com/Bartvds)
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- [#173](https://github.com/chaijs/chai/pull/173) Fix `inspect` utility. [@domenic](https://github.com/domenic)
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Thank you to all who took the time to contribute!
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## 1.6.1 / 2013-06-05
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The following changes are required if you are upgrading from the previous version:
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- **Users:**
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- No changes required.
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- **Plugin Developers:**
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- No changes required.
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- **Core Contributors:**
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- Refresh `node_modules` folder for updated developement dependencies.
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### Deep Equality
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Regular Expressions are now tested as part of all deep equality assertions. In previous versions
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they silently passed for all scenarios. Thanks to [@katsgeorgeek](https://github.com/katsgeorgeek) for the contribution.
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### Community Contributions
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- [#161](https://github.com/chaijs/chai/pull/161) Fix documented name for assert interface's isDefined method. [@brandonpayton](https://github.com/brandonpayton)
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- [#168](https://github.com/chaijs/chai/pull/168) Fix comparison equality of two regexps for when using deep equality. [@katsgeorgeek](https://github.com/katsgeorgeek)
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Thank you to all who took the time to contribute!
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### Additional Notes
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- Mocha has been locked at version `1.8.x` to ensure `mocha-phantomjs` compatibility.
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## 1.6.0 / 2013-04-29
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The following changes are required if you are upgrading from the previous version:
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- **Users:**
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- No changes required.
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- **Plugin Developers:**
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- No changes required.
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- **Core Contributors:**
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- Refresh `node_modules` folder for updated developement dependencies.
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### New Assertions
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#### Array Members Inclusion
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Asserts that the target is a superset of `set`, or that the target and `set` have the same members.
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Order is not taken into account. Thanks to [@NickHeiner](https://github.com/NickHeiner) for the contribution.
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```js
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// (expect/should) full set
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expect([4, 2]).to.have.members([2, 4]);
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expect([5, 2]).to.not.have.members([5, 2, 1]);
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// (expect/should) inclusion
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expect([1, 2, 3]).to.include.members([3, 2]);
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expect([1, 2, 3]).to.not.include.members([3, 2, 8]);
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// (assert) full set
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assert.sameMembers([ 1, 2, 3 ], [ 2, 1, 3 ], 'same members');
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// (assert) inclusion
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assert.includeMembers([ 1, 2, 3 ], [ 2, 1 ], 'include members');
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```
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#### Non-inclusion for Assert Interface
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Most `assert` functions have a negative version, like `instanceOf()` has a corresponding `notInstaceOf()`.
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However `include()` did not have a corresponding `notInclude()`. This has been added.
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```js
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assert.notInclude([ 1, 2, 3 ], 8);
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assert.notInclude('foobar', 'baz');
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```
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### Community Contributions
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- [#140](https://github.com/chaijs/chai/pull/140) Restore `call`/`apply` methods for plugin interface. [@RubenVerborgh](https://github.com/RubenVerborgh)
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- [#148](https://github.com/chaijs/chai/issues/148)/[#153](https://github.com/chaijs/chai/pull/153) Add `members` and `include.members` assertions. [#NickHeiner](https://github.com/NickHeiner)
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Thank you to all who took time to contribute!
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### Other Bug Fixes
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- [#142](https://github.com/chaijs/chai/issues/142) `assert#include` will no longer silently pass on wrong-type haystack.
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- [#158](https://github.com/chaijs/chai/issues/158) `assert#notInclude` has been added.
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- Travis-CI now tests Node.js `v0.10.x`. Support for `v0.6.x` has been removed. `v0.8.x` is still tested as before.
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## 1.5.0 / 2013-02-03
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### Migration Requirements
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The following changes are required if you are upgrading from the previous version:
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- **Users:**
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- _Update [2013-02-04]:_ Some users may notice a small subset of deep equality assertions will no longer pass. This is the result of
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[#120](https://github.com/chaijs/chai/issues/120), an improvement to our deep equality algorithm. Users will need to revise their assertions
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to be more granular should this occur. Further information: [#139](https://github.com/chaijs/chai/issues/139).
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- **Plugin Developers:**
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- No changes required.
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- **Core Contributors:**
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- Refresh `node_modules` folder for updated developement dependencies.
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### Community Contributions
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- [#126](https://github.com/chaijs/chai/pull/126): Add `eqls` alias for `eql`. [@RubenVerborgh](https://github.com/RubenVerborgh)
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- [#127](https://github.com/chaijs/chai/issues/127): Performance refactor for chainable methods. [@RubenVerborgh](https://github.com/RubenVerborgh)
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- [#133](https://github.com/chaijs/chai/pull/133): Assertion `.throw` support for primitives. [@RubenVerborgh](https://github.com/RubenVerborgh)
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- [#137](https://github.com/chaijs/chai/issues/137): Assertion `.throw` support for empty messages. [@timnew](https://github.com/timnew)
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- [#136](https://github.com/chaijs/chai/pull/136): Fix backward negation messages when using `.above()` and `.below()`. [@whatthejeff](https://github.com/whatthejeff)
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Thank you to all who took time to contribute!
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### Other Bug Fixes
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- Improve type detection of `.a()`/`.an()` to work in cross-browser scenarios.
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- [#116](https://github.com/chaijs/chai/issues/116): `.throw()` has cleaner display of errors when WebKit browsers.
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- [#120](https://github.com/chaijs/chai/issues/120): `.eql()` now works to compare dom nodes in browsers.
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### Usage Updates
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#### For Users
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**1. Component Support:** Chai now included the proper configuration to be installed as a
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[component](https://github.com/component/component). Component users are encouraged to consult
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[chaijs.com](http://chaijs.com) for the latest version number as using the master branch
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does not gaurantee stability.
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|
```js
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// relevant component.json
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devDependencies: {
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"chaijs/chai": "1.5.0"
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}
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```
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Alternatively, bleeding-edge is available:
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$ component install chaijs/chai
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**2. Configurable showDiff:** Some test runners (such as [mocha](http://visionmedia.github.com/mocha/))
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|
include support for showing the diff of strings and objects when an equality error occurs. Chai has
|
|
already included support for this, however some users may not prefer this display behavior. To revert to
|
|
no diff display, the following configuration is available:
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|
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|
```js
|
|
chai.Assertion.showDiff = false; // diff output disabled
|
|
chai.Assertion.showDiff = true; // default, diff output enabled
|
|
```
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|
|
#### For Plugin Developers
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|
**1. New Utility - type**: The new utility `.type()` is available as a better implementation of `typeof`
|
|
that can be used cross-browser. It handles the inconsistencies of Array, `null`, and `undefined` detection.
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|
|
|
- **@param** _{Mixed}_ object to detect type of
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|
- **@return** _{String}_ object type
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|
|
|
```js
|
|
chai.use(function (c, utils) {
|
|
// some examples
|
|
utils.type({}); // 'object'
|
|
utils.type(null); // `null'
|
|
utils.type(undefined); // `undefined`
|
|
utils.type([]); // `array`
|
|
});
|
|
```
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|
|
|
#### For Core Contributors
|
|
|
|
**1. Browser Testing**: Browser testing of the `./chai.js` file is now available in the command line
|
|
via PhantomJS. `make test` and Travis-CI will now also rebuild and test `./chai.js`. Consequently, all
|
|
pull requests will now be browser tested in this way.
|
|
|
|
_Note: Contributors opening pull requests should still NOT include the browser build._
|
|
|
|
**2. SauceLabs Testing**: Early SauceLab support has been enabled with the file `./support/mocha-cloud.js`.
|
|
Those interested in trying it out should create a free [Open Sauce](https://saucelabs.com/signup/plan) account
|
|
and include their credentials in `./test/auth/sauce.json`.
|