What's Changed

Functional Changes

v1.11.0 Includes a number of performance improvements.

• Call stack perf change for CallerInfo by @mikeauclair in https://github.com/stretchr/testify/pull/1614
• Lazily render mock diff output on successful match by @mikeauclair in https://github.com/stretchr/testify/pull/1615
• assert: check early in Eventually, EventuallyWithT, and Never by @cszczepaniak in https://github.com/stretchr/testify/pull/1427
• assert: add IsNotType by @bartventer in https://github.com/stretchr/testify/pull/1730
• assert.JSONEq: shortcut if same strings by @dolmen in https://github.com/stretchr/testify/pull/1754
• assert.YAMLEq: shortcut if same strings by @dolmen in https://github.com/stretchr/testify/pull/1755
• assert: faster and simpler isEmpty using reflect.Value.IsZero by @dolmen in https://github.com/stretchr/testify/pull/1761
• suite: faster methods filtering (internal refactor) by @dolmen in https://github.com/stretchr/testify/pull/1758

Fixes

• assert.ErrorAs: log target type by @craig65535 in https://github.com/stretchr/testify/pull/1345
• Fix failure message formatting for Positive and Negative asserts in https://github.com/stretchr/testify/pull/1062
• Improve ErrorIs message when error is nil but an error was expected by @tsioftas in https://github.com/stretchr/testify/pull/1681
• fix Subset/NotSubset when calling with mixed input types by @siliconbrain in https://github.com/stretchr/testify/pull/1729
• Improve ErrorAs failure message when error is nil by @ccoVeille in https://github.com/stretchr/testify/pull/1734
• mock.AssertNumberOfCalls: improve error msg by @3scalation in https://github.com/stretchr/testify/pull/1743

Documentation, Build & CI

• docs: Fix typo in README by @alexandear in https://github.com/stretchr/testify/pull/1688
• Replace deprecated io/ioutil with io and os by @alexandear in https://github.com/stretchr/testify/pull/1684
• Document consequences of calling t.FailNow() by @greg0ire in https://github.com/stretchr/testify/pull/1710
• chore: update docs for Unset #1621 by @techfg in https://github.com/stretchr/testify/pull/1709
• README: apply gofmt to examples by @alexandear in https://github.com/stretchr/testify/pull/1687
• refactor: use %q and %T to simplify fmt.Sprintf by @alexandear in https://github.com/stretchr/testify/pull/1674
• Propose Christophe Colombier (ccoVeille) as approver by @brackendawson in https://github.com/stretchr/testify/pull/1716
• Update documentation for the Error function in assert or require package by @architagr in https://github.com/stretchr/testify/pull/1675
• assert: remove deprecated build constraints by @alexandear in https://github.com/stretchr/testify/pull/1671
• assert: apply gofumpt to internal test suite by @ccoVeille in https://github.com/stretchr/testify/pull/1739
• CI: fix shebang in .ci.*.sh scripts by @dolmen in https://github.com/stretchr/testify/pull/1746
• assert,require: enable parallel testing on (almost) all top tests by @dolmen in https://github.com/stretchr/testify/pull/1747
• suite.Passed: add one more status test report by @Ararsa-Derese in https://github.com/stretchr/testify/pull/1706
• Add Helper() method in internal mocks and assert.CollectT by @dolmen in https://github.com/stretchr/testify/pull/1423
• assert.Same/NotSame: improve usage of Sprintf by @ccoVeille in https://github.com/stretchr/testify/pull/1742
• mock: enable parallel testing on internal testsuite by @dolmen in https://github.com/stretchr/testify/pull/1756
• suite: cleanup use of 'testing' internals at runtime by @dolmen in https://github.com/stretchr/testify/pull/1751
• assert: check test failure message for Empty and NotEmpty by @ccoVeille in https://github.com/stretchr/testify/pull/1745
• deps: fix dependency cycle with objx (again) by @dolmen in https://github.com/stretchr/testify/pull/1567
• assert.Empty: comprehensive doc of "Empty"-ness rules by @dolmen in https://github.com/stretchr/testify/pull/1753
• doc: improve godoc of top level 'testify' package by @dolmen in https://github.com/stretchr/testify/pull/1760
• assert.ErrorAs: simplify retrieving the type name by @ccoVeille in https://github.com/stretchr/testify/pull/1740
• assert.EqualValues: improve test coverage to 100% by @dolmen in https://github.com/stretchr/testify/pull/1763
• suite.Run: simplify running of Setup/TeardownSuite by @renzoarreaza in https://github.com/stretchr/testify/pull/1769
• assert.CallerInfo: micro optimization by using LastIndexByte by @dolmen in https://github.com/stretchr/testify/pull/1767
• assert.CallerInfo: micro cleanup by @dolmen in https://github.com/stretchr/testify/pull/1768
• assert: refactor TestFileExists and TestDirExists tests to enable parallel testing by @dolmen in https://github.com/stretchr/testify/pull/1766
• suite.Run: refactor handling of stats for improved readability by @dolmen in https://github.com/stretchr/testify/pull/1764
• tests: improve captureTestingT helper by @ccoVeille in https://github.com/stretchr/testify/pull/1741
• build(deps): bump actions/checkout from 4 to 5 by @dependabot[bot] in https://github.com/stretchr/testify/pull/1778

New Contributors

• @greg0ire made their first contribution in https://github.com/stretchr/testify/pull/1710
• @techfg made their first contribution in https://github.com/stretchr/testify/pull/1709
• @mikeauclair made their first contribution in https://github.com/stretchr/testify/pull/1614
• @cszczepaniak made their first contribution in https://github.com/stretchr/testify/pull/1427
• @architagr made their first contribution in https://github.com/stretchr/testify/pull/1675
• @tsioftas made their first contribution in https://github.com/stretchr/testify/pull/1681
• @siliconbrain made their first contribution in https://github.com/stretchr/testify/pull/1729
• @bartventer made their first contribution in https://github.com/stretchr/testify/pull/1730
• @Ararsa-Derese made their first contribution in https://github.com/stretchr/testify/pull/1706
• @renzoarreaza made their first contribution in https://github.com/stretchr/testify/pull/1769
• @3scalation made their first contribution in https://github.com/stretchr/testify/pull/1743

Full Changelog: https://github.com/stretchr/testify/compare/v1.10.0...v1.11.0