Change Log

3.11.0

New Stuff

• render: handle Fiber strings and numbers (#2221)

Fixes

• shallow: Share child context logic between shallow and dive (#2296)
• mount: children: include text nodes ($2269)
• mount: invoke: use adapter’s wrapInvoke if present (#2158)

Docs

• mount/shallow: closest/parent: Add missing arguments description (#2264)
• mount/shallow: fix pluralization of “exist” (#2262)
• shallow/mount: simulate: added functional component example to simulate doc (#2248)
• mount: debug: add missing verbose option flag (#2184)
• mount/shallow: update: fix semantics description (#2194)
• add missing backticks to linked method names (#2170)
• invoke: Add missing backticks to end of codeblock (#2160)
• invoke: Fix typo (#2167)
• Explicit React CSS selector syntax description (#2178)

Meta Stuff

• [meta] add funding field
• [meta] Update airbnb.io URLs to use https (#2222)
• [deps] update is-boolean-object, is-callable, is-number-object, is-string, enzyme-shallow-equal, array.prototype.flat, function.prototype.name, html-element-map, is-regex, object-inspect, object-is, object.entries, object.vales, raf, string.prototype.trim
• [dev deps] update eslint, eslint-plugin-import, eslint-plugin-markdown, eslint-plugin-react, safe-publish-latest, eslint-config-airbnb, rimraf, safe-publish-latest, karma-firefox-launcher, babel-preset-airbnb, glob-gitignore, semver, eslint-plugin-jsx-a11y

3.10.0

New Stuff

• shallow add suspenseFallback option; support Suspense/Lazy (#1975)
• shallow/mount: add invoke(propName)(...args) (#1856, #945)
• shallow: Support rendering and dive()ing createContext() providers and consumers (#1966)
• mount/shallow: add getWrappingComponent (#1960)
• Utils: add isCustomComponent (#1960)
• Utils: add stub argument to spyMethod
• EnzymeAdapter: add matchesElementType (#2146)
• RSTTraversal: add getHTMLFromHostNodes

Fixes

• selectors: unwrap memo elements - in both directions (#2146)
• shallow: properly determine "should render" for PureComponents (#2096)
• mount/shallow: renderProp: improve error messages (#2070)
• mount: setContext: use proper wrapper name in error message
• shallow: .contains(): clean up error message
• shallow/mount: hasClass: avoid a crash with a non-string argument (#2057)
• mount: properly handle HTML of multiple nodes (#2052)
• shallow: ensure that if gDSFP exists, cDU is called. (#2027)
• shallow: Mock sCU if gDSFP defined in shallow renderer rerender (#1981)
• mount: .state(): allow getting state from stateful children of a stateless root (#2043)
• mount: .text(): properly recurse through fragments and arrays (#2028)

Refactors

• ReactWrapper/ShallowWrapper: ensure calling an adapter‘s nodeToElement preserves the receiver
• mount: use getHTMLFromHostNodes

Docs

• explain why need to re-call .find() after update (#2140)
• shallow: fix childAt (#2134)
• Update v2 -> v3 migration guide re props after a stage change (#1300)
• debug: Added documentation for verbose flag (#2104)
• Add on the fly JSDOM include example (#2072)
• reduce/reduceRight: fix example code (#2066, #2065, #2064)
• update simulateError with getDerivedStateFromError (#2036)
• shallow: .hasClass: fix use of mount
• add link to Cheerio API and another example (#756)
• jest: Update deprecated jest config key (#2024)

3.9.0

New Stuff

• shallow: isEmptyRender: allow on multiple elements (#1924)
• mount: support :focus selector (#1965)
• shallow: Support getChildContext() (#1971)
• shallow/mount: .find: find HTML elements by their constructor (#1933)
• shallow/mount: selectors: support universal selector (#1945)
• mount/shallow: add regex support to .hasClass (#1987)

Fixes

• mount/shallow: .text/.html: handle an array of nodes properly (#2001)
• shallow: .setProps(): only call cDU once (#2007)
• mount: ensure findWhere doesn‘t abort early on an empty string (#1995)
• mount: findWhere: avoid passing empty wrappers to predicate
• mount: text() via findWhere: return the string for a wrapper around a string
• mount/shallow: Fix .exists not accepting any EnzymeSelector (#1934)
• mount: Recursive isEmptyRender (#1924)
• mount: setState: allow setting state on a class child of an SFC root

Documentation

• [jest] update Jest to setupFilesAfterEnv (#2015)
• [jest] Change deprecated setupTestFrameworkScriptFile to setupFilesAfterEnv (#2013)
• mount: setState: note that you can now call it on "not the root" (#2010)
• general improvements (#1947)
• Fix typos (#1992)
• Added missing pages: isEmptyRender, renderProp, equals, SystemJS guide (#1984, #1985)
• Fix link to .shallow() (#1951)
• update jsdoc to use "EnzymeSelector" where applicable

Meta Stuff

• add "directory" field to package.json

3.8.0

New Stuff

• shallow/mount: add renderProp (#1863, #1891)

Fixes

• shallow/mount: improve error message for "single node" assertion (#1904)
• shallow: shallow compare, not deep compare, state and props to determine rerendering (#1915)

Documentation

• shallow: dive: add a note about throwing an error (#1905)
• selectors: update redisplayName` (#1932)
• shallow: get: fixed wrong props() usage (#1921)
• shallow: html: shallow renders full tree (#1912)
• Updated broken link for “.hostNodes()” in migration guide from enzyme 2 to 3 (#1909)
• Add tape example project link (#1898)
• prop: fix typo (#1883)
• Document full support for attribute selectors (#1881)
• Documentation update for testing React Native with jsdom (#1873)
• Update JSDOM docs to include {request|cancel}AnimationFrame polyfills (#1867)
• mount: ref: use correct type (#1865)

3.7.0

New Stuff

• mount: .state()/.setState(): allow calling on children (#1802, @ljharb)
• configuration: add reset (commit)

Fixes

• makeOptions: ensure that config-level attachTo/hydrateIn are inherited into wrapper options (#1836, @ljharb)
• shallow/Utils: call into adapter’s isCustomComponentElement if present (#1832, @SinHouse)
• shallow/mount: throw an explicit error when state is null/undefined (commit)
• freeze ROOT_NODES for child wrappers (#1811, @jgzuke)
• shallow: .parents: ensure that one .find call does not affect another (#1781, @ljharb)
• mount: update after simulateError (#1812, @jgzuke)

Refactors

• mount/shallow: getElement: use this.single (commit)

3.6.0

New Stuff

• shallow/mount: add simulateError (#1797, @ljharb)

3.5.1

Fixes

• shallow/mount: containsMatchingElement: trim whitespace (commit, #636)
• debug: inspect objects instead of showing them as <Component /> (commit)

Documentation

• mount: ref: Update docs to be consistent with v3 (#1242, @adam-golab)

Refactors

• shallow/mount: make tests and method ordering more consistent (commit)
• RSTTraversal: remove unnecessary adapter truthiness check (commit)

3.5.0

New Stuff

• Add forwardRef support (#1592, @jquense)
• Add Portal support (#1760, #1761, #1772, #1774, @jgzuke)
• Add pointer events support (#1753, @ljharb)

Fixes

• preemptively fix compat with React v16.4.3 (#1790, #1778, @gaearon, @aweary)
• shallow: prevent rerenders with PureComponents (#1786, @koba04)
• shallow: skip updates when nextState is null or undefined (#1785, @koba04)
• shallow: setState after setProps calls componentWillReceiveProps (#1779, @peanutenthusiast)
• mount/shallow: be stricter on the wrapper’s setState/setProps callback (commit)
• shallow/mount: improve error message when wrapping invalid elements (#1759, @jgzuke)

Refactors

• remove most uses of lodash (commit)

Meta Stuff

• ensure a license and readme is present in all packages when published

3.4.4

Fixes

• @koba04: shallow: fix unexpected call to componentDidMount (#1768)

3.4.3

Fixes

• @ljharb/@koba04: shallow: .setState(): stub out setState on non-root code paths as well (#1763)
• @ljharb: shallow/mount: restore fallback when adapter lacks invokeSetStateCallback (commit)
• @ljharb: mount: setState: invoke callback with the proper receiver (commit)
• @ljharb: mount: state and setState should throw an explicit error message when called on an SFC (commit)

3.4.2

Fixes

• @koba04: shallow: call cDU when an instance calls setState (#1742)
• @ReactiveRaven: selectors: fix descendant selector (#1680)

3.4.1

Fixes

• @ljharb: shallow: setProps: merge instead of replace props (commit)

Documentation

• @koba04: Fix an adapter table style in README.md and a migration guide (#1734)

3.4.0

New Stuff

• @madicap: shallow/mount: account for React.Fragment nodes (#1733)
• @jquense: Debug: debugNode now returns [function] for function children (commit)
• @ljharb: mount: add hydrateIn option (#1707)
• @ljharb: shallow: add “lifecycles” adapter option (#1696)
• @krawaller: shallow/mount: allow .exists() to take an optional selector (#1695)
• @koba04: shallow: Add getSnapshotBeforeUpdate support (#1657)
• @jquense: shallow/mount: Add support for some pseudo selectors (#1537)
• @blainekasten: debug: Implement verbose debug output (#1547)
• @jquense/@ljharb: Debug: typeName now calls the adapter’s displayNameOfNode if available (#1701)
• @jquense/@ljharb: mount/shallow: .name(): call into adapter’s displayNameOfNode, if present (#1701)
• @jquense/@ljharb: Utils: nodeHasType: call into adapter’s displayNameOfNode, if present (#1701)
• @jquense/@ljharb: selectors: buildPredicate: call into adapter’s isValidElementType, if present (#1701)
• @emuraton/@ljharb: shallow: setProps(): Add callback argument (#1721)
• @ljharb: mount: add .equals() (commit)
• @madicap: Extract getAdapter from Utils into its own file (#1732)

Fixes

• @ljharb: shallow/mount: matchesElement/containsMatchingElement: get adapter with options (commit)
• @ljharb: RSTTraversal: remove nodeHasProperty export; broken since #1157 (commit)
• @ljharb/@KordonDev: shallow: .at(): return an empty wrapper when an index does not exist (#1478)
• @ljharb: shallow: .equals(): flatten children when comparing (commit)
• @ljharb: mount/shallow: do not dedupe in flatMap (commit)
• @ljharb: shallow: .closest(): ensure an empty wrapper is returned for no match (commit)
• @krawaller: selectors: make general sibling not throw on root (#1698)
• @ljharb/@angelikatyborska : mount: text(): null nodes return null (#1582)
• @ljharb: shallow: simulate: ensure it returns itself (commit)
• @koba04: shallow: ShallowWrapper calls update() automatically (#1499)
• @bdwain: mount/shallow: return null for missing keys (#1536)
• @vsiao: Fix ShallowWrapper for array-rendering components (#1498)
• @koba04: Call setState callback after finishing the render (#1453)
• @eddyerburgh: Convert nodes to RST nodes before comparing (#1423)
• @ljharb: improve "bad adapter" error message (#1477)
• @ljharb: shallow/mount: default iterator should be iterable (commit)

Refactors

• @ReactiveRaven: selectors: fix typos; avoid reusing variable unnecessarily (#1681)
• @koba04/@ljharb: shallow: Use spyMethod to inspect the result of shouldComponentUpdate/getSnapshotBeforeUpdate (#1192)
• @ljharb: Utils: configuration: change to named exports. (commit)
• @ljharb: use array.prototype.flat (commit)

Documentation

• @jack-lewin: Clarify dev workflow in CONTRIBUTING.md (#1207)
• @robrichard: Provide migration instructions for ref(refName) (#1470)
• @DannyDelott: shallow/mount: Add callback arg to setProps header (#1361)
• @conor-cafferkey-sociomantic: mount: Updated docs for ReactWrapper.instance(); remove docs for v2's getNode()/getNodes() (#1714)
• @koba04: Make clearer the docs for .mount() (#1540)
• @ialexryan: Update signature of .type() in shallow.md (#1492]([https://github.com/enzymejs/enzyme/pull/1492))

Meta Stuff

• @ljharb: ensure a license and readme is present in all packages when published
• @ljharb: [meta] fix package.json scripts

3.3.0

New Stuff

• @ljharb/@joeldenning: debug: handle boxed primitives (#1450)

Refactors

• @eddyerburgh: Use RSTTraversal childrenOfNode in Utils (#1381)

Fixes

• @nicoder: Fix typo in error message (#1379)

3.2.0

New Stuff

• @aweary: Support all attribute selector operators (#1157)

Fixes

• @idanilt: Change ShallowWrapper.text() trim spaces with same behavior as ReactWrapper.text() (#1350)

3.1.1

Fixes

• @koba04: Fix to call componentDidUpdate on setState of React v16 (#1261)

3.1.0

New Stuff

• @FezVrasta: Added hostNodes method to ReactWrapper (#1179)

Fixes

• @lelandrichardson: Add an npmignore file to all packages (#1204)

• @neoziro: Fix node resolving in React 16 adapter (#100)

• @graingert: upgrade to rst-selector-parser@^2.2.2 (#1146)

Documentation

• @lelandrichardson: Symlink readme to all packages (#1205)

• @AndersDJohnson: fix some typos (#1165)

• @dubbha: ES5 setup file correction (#1194)

• @morrowr08: updated component name being used in example (#1180)

• @apandichi: Fixing a few typos... (#1171)

• @nuc: Fix typo (#1142)

3.0.0

Breaking Changes

Enzyme has several breaking changes from v2 to v3. Please check out our migration guide for more info. Since there was a rewrite of the core library from v2 to v3, it is hard to categorize changes in terms of sem

• @lelandrichardson: Refactor enzyme to use Adapters, initial React 16 support (#1007)

• @lelandrichardson: Make private properties more private and harder to use (#1083)

• @ljharb: [breaking] update cheerio to v1 (#1093)

• @aweary: Integrate with a CSS parser for selector parsing (#1086)

• @vadimdemedes: Skip undefined props when comparing nodes (#662)

• @koba04: Breaking: lifecycleExperimental by default (#1140)

New Stuff

• @lelandrichardson: Move to lerna repo structure, multiple modules (#1074)

• @lelandrichardson: Remove all React dependencies from enzyme (#1084)

• @lelandrichardson: Add public root method (#1127)

Fixes

• @aweary: Remove isFunctionalComponent, use nodeType instead (#1076)

• @LarsHassler: props not merged when shallow rendering in lifecycleExperimental (#1088)

• @ljharb: [Fix] mount: do not mutate Component.contextTypes (#1099)

• @ljharb: [Fix] reduce/reduceRight: follow Array#reduce when omitting initialValue (#673)

• @koba04: Fix componentDidUpdate when updating by setState on v16 (#1133)

• @koba04: Fix componentDidUpdate no longer receives prevContext on React v16 (#1139)

Documentation

• @ghost: added sinon to mocha guide (#1075)

• @samit4me: Update to GitBook 3 (#1039)

• @therewillbecode: Removed extraneous brackets from example in readme (#1117)

• @silvenon: Add note that mount() requires cleanup (#1043)

• @lelandrichardson: Add docs reflecting v3 (#1121)

2.9.1

Fixes

• [Deps] Require uuid at least 3.0.1 (#1001)

2.9.0

New Stuff

• mount/shallow: debug: add ignoreProps option (#960)

Fixes

• shallow: debug: fix indentation (#926)
• react-compat: Make sure dependency error reporting always work (#929)
• react-compat: correct error message (#904)

Documentation

• lint our markdown (#988)
• correct nvm install instructions (never install it with homebrew) (#988)
• fix typos (#979), (#983)
• Added missing isEmptyRender() docs
• update jsdom guides for v10 and later (#921)

Refactors

• shallow/mount: Make all references to the wrapper class call into this.wrap
• update uuid from v2 to v3 (#998)

2.8.2

Fixes

• Loosen react-compat implicit dependency logic for React 15.4 (#896)

Documentation

• Update docs to use prop-types (#894, #890)

2.8.1

Fixes

• support React@15.5 (#876)
• no longer depend on React.createClass (#877)
• Throw for malformed compound selectors (#868)

2.8.0

New Stuff

• add disableLifecycleMethods for shallow (#789)
• Match children before and after interpolation (#512)
• Supporting passing context to static rendering (#429)

Fixes

• Fix an issue w/ cleaning up global.document (#855)
• Update props when shouldComponentUpdate returns false and lifecycleExperimental is on (#807)
• Properly pass along options in dive (#771)

2.7.1 (January 22, 2017)

Fixes

• mount: Fix bug from (#677 (#680)
• mount: ignore text nodes in childrenOfInst (#604)

Documentation

• Update Docs for .getNode and .getNodes (#743)
• Add a link for ShallowWrapper#dive() (#759
• Fix alphabetical order of API lists (#761)

2.7.0 (December 21, 2016)

New Stuff

• shallow/mount: Add .slice() method (#661)
• mount: implement ReactWrapper#getDOMNode (#679)
• shallow/mount: Add exists; deprecate isEmpty() (#722)

Fixes

• mount: extract MountedTraversal.hasClassName from MountedTraversal.instHasClassName, which allows ReactWrapper.hasClass to bypass the !isDOMComponent(inst) call (#677)
• withDom: Display a useful error when withDom fails to find "jsdom" (#686)
• mount: ensure that react-text comment nodes don’t break .find (#691)
• mount: .parents() now filters out sibling path trees (#713)

2.6.0 (November 9, 2016)

New Stuff

• ensure ShallowWrapper render output can't get stale (#490)

Fixes

• Use shim to detect constructor function name (#659)
• mount/shallow: fix ID selectors (#670)

2.5.2 (November 9, 2016)

Fixes

• Use shim to detect constructor function name (#659)
• mount/shallow: fix ID selectors (#670)

2.5.1 (October 17, 2016)

Patches

• continue to support one-argument single (#632)

2.5.0 (October 17, 2016)

Minor Changes

• pass callback on setState and setProps (#617)

• Make ReactWrapper and ShallowWrapper iterable (#594)

• add .dive() method to shallow (#618)

Patches

• Warn if selector contains a pseudo-class (#591)

• change isCompoundSelector to not match prop selector (#595)

• fixed hasClassName in case className is not a string and has toString method (#518)

• Throw if some() is called on a root wrapper (#523)

• Fix valid + falsy propvalues (#563)

2.4.2 (November 9, 2016)

Fixes

• Use shim to detect constructor function name (#659)
• mount/shallow: fix ID selectors (#670)

2.4.1 (July 8, 2016)

Patches

• Fix backwards incompatible shouldComponentUpdate call (#491)

2.4.0 (July 7, 2016)

Minor Changes

• Support all Component Lifecycle methods in ShallowRenderer (behind an experimental flag) (#318)

• Add an isEmptyRender() method to both ShallowWrapper and ReactWrapper (#339)

• Add support for batched updates with ShallowRender.simulate (#342)

Patches

• Switch to using classList instead of className (#448)

• fixes mount().debug() output with mixed children (#476)

• Support additional characters in attribute selectors (#412)

• fix id selector not working when combined with a tag selector (#387)

• Support spaces in attribute selector values (#427)

2.3.0 (May 9, 2016)

Minor Changes

• add .tap() method to ShallowWrapper and ReactWrapper (#299)

• add .key() method to ShallowWrapper and ReactWrapper (#327)

• add support for descendent selectors, >, ~ and + (#217)

• new containsMatchingElement, containsAllMatchingElements, and containsAnyMatchingElements APIs (#362)

• new .name() method (#335)

Patches

• add dblclick to eventType map for simulate (#317)

• fix pathToNode bug with child-containing children (#296)

• prioritize displayName over name for consistency in .debug() (#332)

• handle insignificant whitespace in className (#348)

• fix handling of SFC components and .instance() (#359)

• reduce false positives by using argument validation for .contains (#259)

• fix equality algorithm so that non-renderable nodes are equivalent (#192)

• add better error handling for state, setState, and context (#373)

2.2.0 (March 21, 2016)

Minor Changes

• add options param to ShallowWrapper::shallow (#275)

Patches

• make enzyme compatible with all React 15 RCs (#272)

• increase coverage for Stateless Functional Components (#267)

• improve context support for Stateless Functional Components (#256)

• fix tree traversal for Stateless Functional Components (#257)

• fix .find for nested Stateless Functional Components (#274)

• fix .props() and .debug() methods for Stateless Functional Components (#255)

• prevent falsy nodes from being counted as children (#251)

2.1.0 (March 10, 2016)

Minor Changes

• add support for React 15.0.0-rc.1 (#240)

• add .unmount() method for ShallowWrapper (#215)

• add direct imports for mount, shallow, and render (#198)

• add a .childAt(n) shorthand method (#187)

Patches

• fix bug in .contains() for matching sub-arrays (#226)

• fix bug in matching by type displayName (#230)

• add more useful warnings for missing implicit dependencies (#228)

• improve SFC support for .type() (#196)

• fix null handling for .html() and .render() (#196)

• moved from underscore to lodash (#189)

2.0.0 (February 10, 2016)

Major Changes (breaking)

• removed describeWithDOM utility (#159)

• removed useSinon, spyPrototype and spyLifecycle utilities (#159)

• removed sinon dependency (#159)

• removed jsdom dependency (#159)

1.6.0 (February 10, 2016)

Minor Changes

• add option for childContextTypes of ReactWrapper (#171)

Patches

• Prevent null or false nodes from being passed into tree traversal (#174)

• setProps no longer swallows exceptions (#170)

• .type() and .props() should not fail on null now (#162)

1.5.0 (February 2, 2016)

Minor Changes

• Add attachTo option to mount to mount to a specific element (#160)

• Add .debug() method to ReactWrapper (#158)

• Add .mount() and .unmount() APIs to ReactWrapper (#155)

• Add .render() method to ReactWrapper (#156)

• Allow .contains() to accept an array of nodes (#154)

• Add .context() method to ReactWrapper and ShallowWrapper (#152)

Patches

• Fixed some behavior with .contains() matching on strings (#148)

• Fixed .debug()'s output for numeric children (#149)

• Documentation fixes

• Update versions of dependencies

1.4.1 (January 24, 2016)

Patches

• Upgrade to babel 6 (#81)

• Fix event naming bug in ShallowWrapper (#135)

• Documentation fixes

1.4.0 (January 21, 2016)

Minor Changes

• describeWithDOM enhancement (#126)

• add .equals() method to ShallowWrapper (#124)

• add object selector syntax (#110)

Patches

• Fixed confusing behavior of prop selector syntax (#130)

• Documentation fixes

1.3.1 (January 15, 2016)

Patches

• Fix setProps not passing old context (#121)

• Map lowercase mouse events in simulate (#77)

1.3.0 (January 13, 2016)

Minor Changes

• Added .html() method to ReactWrapper (#71)

• Support property selector (i.e. [prop="foo"]) (#70)

• jsdom dependency now allows a range of supported versions (#95)

Patches

• Normalized setProps() behavior between mount/shallow to merge props (#103)

• Exclude _book from published package (#85)

• Various documentation, tests, and style changes

1.2.0 (December 10, 2015)

Minor Changes

• Support for context (#62)

Patches

• nodeHasId fix for some 0.14 corner cases (#65)

1.1.0 (December 7, 2015)

Minor Changes

• Support for Stateless Functional Components (#53)

Patches

• Tweak describeWithDOM messaging (#48)
• Documentation Fixes

1.0.0 (December 3, 2015)

• Official Release!