sinon

• Fix inconsistent newline usage for %D in spy.printf (#1717)

• Add descriptive error message on attempt to call argument that is not a function (#1695)

• Docs: make it clear that it is possible to use assert with spy calls (#1688)

• Change return value of yield and callArg

• add calledOnceWithExactly assertion (#1247)

• Replace formatio with @sinonjs/formatio

• Fix #1638: Make resetHistory work for props

• Performance: spend less time stubbing methods (#1627)

• Add match.every and match.some (#1624) (#1661)

• Fix bad build, missing nise@1.2.0 (#1656)
• Upgrade dependency supports-color

This release fixes an issue, where the server type from useFakeServer is unexpected (#1534)

• Fix: assertion error messages did not handle Symbol names (#1640)
• Deprecate spy.reset(), use spy.resetHistory() instead (#1446)

• Spy passes through calling with new (#1626)

• Update Lolex to include fix for #872
• Remove deprecated methods from documentation (#1613)

• Remove "engines" from package.json

• Add sandbox.createStubInstance (#1598)

• Update 'nise' to latest version (#1593)
• Use supports-color module to test if system supports colors
• Upgrade mocha to v4.0.0
• Make samsam a development dependency
• Make native-promise-only a development dependency

• Upgrade nise and lolex versions (#1579)

• Explicitly update fake xhr lib 'nise'
• Remove accidental dependency to "build"
• Remove support for stubbing undefined props (#1557)

• Adds sinon.match.hasNested
• fix 'callThrough with a mock expectation' (#1442)
• Documentation updates
• Allow custom defined instance checks if supported

• resolvesThis should override previous throws
• preserve context of functions from nise: fakeServer, fakeServerWithClock
• Fix regression for issue #1526 regarding onFirstCall().throws()
• Fix docs regression introduced by #1523

• Fix #1521 by caching references to Array.prototype.filter (#1523)
  • Fix #1368 by adding stub#resolvesThis (#1517)

• Add factory functions for sandbox and fake server (#1515)
  • Add support for passing a function to stub.throws(...). (#1511)
  • Lots of documentation updates
  • Fix regression on sandbox.stub(obj,protoMethod) (#1512)

• Remove deprecated exports see migration guide
  • Fix #1432: add details around expectations.withArgs behavior to docs (#1501)
  • Fix #1487: incorrect withArgs().returnValue
  • add format.setFormatter
  • Upgrade lolex to 2.1.2
  • Extract fakeXhr, fakeServer and fakeServerWithClock into own module nise and re-import it to keep api the same

• stub#withArgs: set promiseLibrary correctly (#1497)

• Allow anonymous mock functions to be named

• Fix 1474: propagates promiseLibrary to new stub behaviors (#1484)

• Fix #1476: spy.withArgs(args...).firstCall is broken

Fix #1274: spy.withArgs(args...).callCount is incorrect

• Check configurable on a prop before creating (fixes #1456) (#1462)

• Fix #1372: make sandbox.resetHistory also reset spies (#1424)

• Fix #1450, make stubbing of static function properties possible

• Fix failing sandbox.resetBehavior() (#1428)
  • Fix restoring getters/setters/values for previously unexisting props (#1419)
  • Called in order takes callCount into account. Closes #1398.

• Make calledAfter symmetric with calledBefore (#1407)

• Allow stubbing of accessors with and without sandbox (#1416)
  • add throwsArg(index) to stubs (#1319)
  • Fix: forEach() requires 'this' argument (#1356)
  • Only reset history when calling resetHistory()

• Added usingPromise method to stub and sandbox.
• Added support for React Native window location format Fixes sinonjs/sinon#1362
• Fix error on call.toString() where stack has fewer than 4 lines.

• Redesign the template (#1339)
• [feature] adds spy.calledImmediatelyBefore and spy.calledImmediatelyAfter
• Fix issue #1332: little bug correction in spy.printf "%*" formatter.

This is the big 2.0 release with lots of breaking changes. We have created a migration guide on the Sinon homepage you are advised to follow.

Changes since pre6

• Add restore method for stubbed property descriptors
• Allow stubbing getters and setters for function properties
• Add getters/setters stub behaviors
• Refactor xhr and xhr.upload to use the same EventTargetHandler
• Remove SSL part of base url

• Add sinon.addBehavior, use it to add the default behaviors
• Use Node instead of Ruby in the build script
• Lots of documentation updates
• Many dependency updates
• Add a simple implementation og ANSI colors and boot out chalk
• No circular dependencies, thank you very much
• Replace homegrowns with ES5
• Remove legacy IE bits from code
• Fire onload event on non-2xx HTTP statuses in FakeXDomainRequest
• Extract throwOnFalsyObject to own function
• Stop polluting the test console with a "test" string
• Complete internalization of extend and typeOf
• Allow calling original function from stub. Closes #989 (#1234)
• Matcher for Set type
• Matcher for Map type
• Fix set iterableToString test on IE11
• add test-dev npm script to run tests in watch mode

• 2.0.0-pre.5
• Update Changelog.txt and AUTHORS for new release
• Update changelog for pre.4
• Remove polyfill for Promise
• Remove old, unused, ci script for BusterJS
• Abort pre-commit script when no files are changed
• Check for required arguments
• Make SED in-place update switch work on BSD
• Upgrade text-encoding to the latest version
• Improve rendering of sandbox.create(config) example
• Remove sinon.test from sandbox documentation
• Use baseurl to render links correctly on github pages
• Specify same version of github-pages as github
• Remove release_id from front matter
• Update Gemfile.lock to use latest supported Jekyll
• Fix #614: Add missing documentation for sandbox methods
• Add missing documentation for stubs
• Fix #1026: stub watch method on object
• Fix invalid test for "does not walk the same property twice"
• Add test for issue #1026
• Fix 810 - Added documentation for sinon.restore()
• Add docs for new array matchers
• Array contains matcher fails when actual is not an array
• Array endsWith matcher fails when actual is not an array
• Array startsWith matcher fails when actual is not an array
• Array deepEquals matcher fails when actual is not an array
• Add .resolves and .rejects to stub (#1211)
• Accept routing DSLs on fake server
• Convert remaining calledWith methods to use diff color formatting
• Color diffs for sinon matchers
• Print diffs for multiple spy calls
• Add new spy output formatter for handling diffs
• Add contains array matcher
• Add endsWith array matcher
• Add startsWith array matcher
• Add deepEquals array matcher
• Add more array matchers
• Extract deprecated.printWarning
• Move empty stub creation to avoid unnecessary stub.create
• Fix typo on property name called 'matchingAguments'
• Soften migration path with deprecation warning
• Update docs and migration guide
• Convert 3 arg stub to callsFake
• Update format docs to refer to formatio
• Fix being able to spy Error
• Prepare documentation using site in GitHub Pages
• Add link to LICENSE in README.md
• Add documentation for accessor method support for stubs and spies
• Previous expectation failures are checked and re-thrown again in mock.verify()
• Expose XHR.setStatus to simplify asynchronous answers
• Fix typo
• Add a how-to article about using links seams for CommonJS modules
• stub() will fail if passed an empty property descriptor
• Rename func argument to funcOrDescriptor
• Add documentation for sinon.assert.match
• XHR: test for readystatechange not dispatching after .abort() in DONE state
• XHR: fix readystatechange event after .abort() in DONE state
• Add tests for xhr.readyState after abort()
• Test that demonstrates that a mock can be called more times than expected without failing (if the exception is silenced).

Changes in this release, compared to v2.0.0-pre.3

• #1061 add configurable unsafe header checks
• #1173 Expose readyState constants on XHR instances
• #1175 Fire .onprogress event handler in fake XHR
• #1176 Implement XHR.overrideMimeType
• #1183 Use last defined withArgs match when multiple conditions are met

Full comparison

• Add assertion check for too many args with calledOnce/Twice/Thrice
• Much internal refactoring relating to CommonJS

• CJSify remaining tests
• Expose sinon.assert on sandbox instances. (#1076)
• Add resetBehavior and resetHistory to sandbox API (#1072)
• Add sandbox.reset() docs
• Allow xhr.respond(0) to simulate a network failure and call onerror
• Use event loaded instead of error event for code like 403, 500, etc.
• Fix invalid markdown in fake-timers.ms (#1054)
• Do not invoke getters in walk (#1059)
• ReactNative compatibility. Allow sinon fakeServer to run in React Native (#1052)
• Fix onerror event triggering for fake xhr requests (#1041)
• Allow sinon.calledInOrder to be called either with an array of spies or multiple spies as parameters. Add explicit test cases for sinon.calledInOrder
• Document faking of setImmediate and clearImmediate
• Add support for es6 Symbol to wrapMethod, match.same, yieldTo, match methods.
• Transition to Mocha and ESLint for tests
• Feature detect proto to exclude a timer test in IE 10
• Migrate Packaged Tests to use a Browserified Build.
• Improve Blob support detection logics
• Remove sinon.test() and sinon.testCase (now in sinon-test module.)
• Remove sinon.log and sinon.logError
• Fix 648: test for this.proxy before trying toString on it
• use the correct sinon.deepEqual to test sinon matcher
• Get rid of eval in sinon spy

• Fix #875 Proper support UTF8 payloads
• CommonJS-ified some of the things
• updated readyStateChange to align to the w3c spec (somewhat)
• added some additional progress event verification
• added a test to ensure load is not fired before abort
• added test to ensure event ordering
• allow progress events with loaded/total values of 0
• Fix #867: Walk properties only once
• Removed unnecessary module wrappers and double test run in NodeJS.
• null-check the object passed to sinon.stub
• implemented stub#resetHistory method - fixes #863
• Fix #851: Do not attempt to re-stub constructors
• Fix #847: Ensure walk invokes accessors directly on target
• stub.reset also resets behavior

• Fix #821 where Sinon.JS would leak a setImmediate into global scope
• Removed sinon-timers from the build. refs #811
• Added flag that, when set to true, makes sinon.logError throw errors synchronously.
• Fix #777: Support non-enumerable props when stubbing objects
• Made the sinon.test() function pass on errors to the callback
• Expand conversion from ArrayBuffer to binary string
• Add support for ArrayBuffer, blob responseTypes

• Bump Lolex to stop throwing an error when faking Date but not setTimeout

• Capture the stack on each spy call
• fakeServer.create accepts configuration settings
• Update Lolex to 1.3.0
• Fire onreadystatechange with event argument
• Returns supersedes previous throws
• Bunch of bug fixes