https://github.com/fluentassertions/fluentassertions

assertions bdd-style c-sharp fluent-assertions hacktoberfest mstest tdd unit-testing xunit

Score: 34.20536212345112

Last synced: about 3 hours ago
JSON representation

Repository metadata:

A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit tests. Targets .NET Framework 4.7, as well as .NET Core 2.1, .NET Core 3.0, .NET 6, .NET Standard 2.0 and 2.1. Supports the unit test frameworks MSTest2, NUnit3, XUnit2, MSpec, and NSpec3.

Host: GitHub
URL: https://github.com/fluentassertions/fluentassertions
Owner: fluentassertions
License: other
Created: 2013-07-28T10:35:25.000Z (about 13 years ago)
Default Branch: main
Last Pushed: 2026-08-19T07:42:23.000Z (5 days ago)
Last Synced: 2026-08-19T20:07:02.934Z (4 days ago)
Topics: assertions, bdd-style, c-sharp, fluent-assertions, hacktoberfest, mstest, tdd, unit-testing, xunit
Language: C#
Homepage: https://xceed.com/products/unit-testing/fluent-assertions/
Size: 36.5 MB
Stars: 3,816
Watchers: 68
Forks: 726
Open Issues: 69
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Agents: agents.md
- Claude: CLAUDE.md
- Copilot: .github/copilot-instructions.md
Funding:
- Github: fluentassertions
- Ko fi: dennisdoomen
- Patreon: fluentassertions
- Custom: https://paypal.me/fluentassertions

Owner metadata:

Name: FluentAssertions
Login: fluentassertions
Email: support@xceed.com
Kind: organization
Description:
Website: https://xceed.com/products/unit-testing/fluent-assertions/
Location:
Twitter:
Company:
Icon url: https://avatars.githubusercontent.com/u/25584770?v=4
Repositories: 9
Last Synced at: 2026-08-22T12:40:24.918Z
Profile URL: https://github.com/fluentassertions

GitHub Events

Total

Create event: 165
Delete event: 158
Fork event: 232
Issue comment event: 1282
Issues event: 149
Pull request event: 506
Pull request review comment event: 300
Pull request review event: 328
Push event: 305
Release event: 21
Watch event: 321
Total: 3767

Last Year

Create event: 37
Delete event: 38
Fork event: 8
Issue comment event: 90
Issues event: 39
Pull request event: 77
Pull request review comment event: 59
Pull request review event: 58
Push event: 97
Release event: 3
Watch event: 22
Total: 528

Committers metadata

Last synced: 4 days ago

Total Commits: 4,023
Total Committers: 245
Avg Commits per committer: 16.42
Development Distribution Score (DDS): 0.713

Commits in past year: 255
Committers in past year: 8
Avg Commits per committer in past year: 31.875
Development Distribution Score (DDS) in past year: 0.537

Name	Email	Commits
Jonas Nyrup	j**p@g**m	1154
Dennis Doomen	d**n@a**l	862
dennisdoomen	n**e@n**m	409
dependabot[bot]	4****]	357
Adam Voss	v**1@g**m	163
Lukas Gasselsberger	i**t@v**t	109
Michaël Hompus	m**l@h**l	87
Lukas Gasselsberger \| alu-one	l**r@a**t	84
Lukas Grützmacher	g**b@l**e	58
Oren Novotny	o**n@n**g	43
piotrpMSFT	p**p@m**m	40
Artur Krajewski	k**v@g**m	40
Valentin Breuß	v**s@g**m	39
Martin Opdam	m**m@a**l	30
David Omid	d**d@h**m	21
Jonathan Gilbert	J**G@i**m	21
Dennis Doomen	d**n@e**m	14
Ulrich Buchgraber	u**b@g**t	12
fred	d**5@g**m	11
Cédric Luthi	c**i@g**m	9
Copilot	1****t	8
Konstantin Spirin	k**u@g**m	8
serbrech	s**h@g**m	8
Amaury Levé	e**k@g**m	8
gstamac	G**c@e**m	7
chvollm	3****m	7
Gunnar Liljas	g**s@g**m	7
Abdol Baset Sedighi	1****i	7
melchior	2****k	6
FabianNitsche	i**b@f**e	6
and 215 more...

Issue and Pull Request metadata

Last synced: 1 day ago

Total issues: 284
Total pull requests: 1,296
Average time to close issues: 10 months
Average time to close pull requests: 17 days
Total issue authors: 192
Total pull request authors: 84
Average comments per issue: 5.36
Average comments per pull request: 3.47
Merged pull request: 1,042
Bot issues: 1
Bot pull requests: 555

Past year issues: 19
Past year pull requests: 109
Past year average time to close issues: 10 days
Past year average time to close pull requests: 3 days
Past year issue authors: 6
Past year pull request authors: 9
Past year average comments per issue: 2.79
Past year average comments per pull request: 2.57
Past year merged pull request: 77
Past year bot issues: 0
Past year bot pull requests: 56

More stats: https://issues.ecosyste.ms/repositories/lookup?url=https://github.com/fluentassertions/fluentassertions

Top Issue Authors

dennisdoomen (30)
jnyrup (15)
vbreuss (12)
cmeeren (5)
lg2de (5)
Meir017 (4)
ITaluone (4)
bart-vmware (4)
Corniel (4)
rklec (3)
ArneMancofi (3)
mansellan (3)
Zeruxky (2)
rbeurskens (2)
voroninp (2)

Top Pull Request Authors

dependabot[bot] (555)
dennisdoomen (213)
jnyrup (168)
IT-VBFK (60)
ITaluone (56)
vbreuss (48)
0xced (16)
lg2de (15)
lazyrainynight (8)
Corniel (8)
logiclrd (7)
94sedighi (7)
ghost (5)
arocheleau (5)
iliashkolyar (4)

Top Issue Labels

bug (103)
triage (49)
enhancement (49)
api-suggestion (44)
feature (32)
api-approved (27)
up-for-grabs (18)
breaking change (17)
requires-clarification (10)
documentation (7)
won't fix (6)
future (5)
good first issue (2)
question (2)
dependencies (1)
building (1)
.NET (1)

Top Pull Request Labels

dependencies (568)
.NET (418)
building (83)
javascript (80)
bug (59)
enhancement (59)
feature (52)
documentation (40)
github_actions (29)
testing (29)
breaking change (25)
ruby (19)
performance (6)
api-approved (1)

Package metadata

Total packages: 5
Total downloads:
- nuget: 752,736,003 total
Total dependent packages: 386 (may contain duplicates)
Total dependent repositories: 0 (may contain duplicates)
Total versions: 154
Total maintainers: 5

proxy.golang.org: github.com/fluentassertions/fluentassertions

Homepage:
Documentation: https://pkg.go.dev/github.com/fluentassertions/fluentassertions#section-documentation
Licenses: other
Latest release: v3.2.1+incompatible (published almost 12 years ago)
Last Synced: 2026-08-22T21:33:00.850Z (1 day ago)
Versions: 3
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Dependent packages count: 6.999%
- Average: 8.173%
- Dependent repos count: 9.346%

nuget.org: fluentassertions

A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit tests. Works with .NET Standard 2.0 and higher, .NET Framework 4.7 and higher and .NET 6 and higher. Supports the unit test frameworks MSTest2, MSTest3, MSTest4, NUnit3, NUnit4, XUnit2, XUnit3, MSpec and TUnit. IMPORTANT: This version is free for open-source projects and non-commercial use, but commercial use requires [a paid license](https://xceed.com/products/unit-testing/fluent-assertions/). Check out the [license page](LICENSE) for more information.

Homepage: https://xceed.com/products/unit-testing/fluent-assertions/
Licenses: other
Latest release: 8.10.0 (published 3 months ago)
Last Synced: 2026-08-22T21:33:10.910Z (1 day ago)
Versions: 147
Dependent Packages: 386
Dependent Repositories: 0
Downloads: 752,735,375 Total
Rankings:
- Downloads: 0.039%
- Average: 11.784%
- Dependent repos count: 14.976%
- Dependent packages count: 20.335%
Maintainers (3)

nuget.org: z_zpkg

A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit tests. Targets .NET Framework 4.5 and 4.7, as well as .NET Core 2.0, .NET Core 3.0, .NET Core 2.1, .NET Standard 1.3, 1.6, 2.0 and 2.1. Supports the unit test frameworks MSTest, MSTest2, Gallio, NUnit, XUnit, MBUnit, MSpec, and NSpec.

Homepage: https://www.fluentassertions.com/
Licenses: Apache-2.0
Latest release: (published 1 day ago)
Last Synced: 2026-08-22T21:32:59.833Z (1 day ago)
Versions: 2
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Dependent repos count: 12.697%
- Average: 16.122%
- Dependent packages count: 19.548%

nuget.org: magic.fluentassertions

A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit tests. Works with .NET Standard 2.0 and higher, .NET Framework 4.7 and higher and .NET 6 and higher. Supports the unit test frameworks MSTest2, NUnit3, NUnit4, XUnit2, XUnit3, MSpec and TUnit. IMPORTANT: This version is free for open-source projects and non-commercial use, but commercial use requires [a paid license](https://xceed.com/products/unit-testing/fluent-assertions/). Check out the [license page](LICENSE) for more information.

Homepage: https://xceed.com/products/unit-testing/fluent-assertions/
Licenses: other
Latest release: 8.5.0 (published about 1 year ago)
Last Synced: 2026-08-22T21:33:01.121Z (1 day ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Downloads: 352 Total
Rankings:
- Dependent repos count: 6.712%
- Dependent packages count: 18.007%
- Average: 27.143%
- Downloads: 56.711%
Maintainers (1)
- share

nuget.org: forex-fluentassertions

A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit tests. Targets .NET Framework 4.7, .NET 6, as well as .NET Standard 2.0 and 2.1. Supports the unit test frameworks MSTest2, NUnit3, XUnit2, XUnit3, MSpec and TUnit. Supported by InfoSupport B.V.

Homepage: https://www.fluentassertions.com/
Licenses: Apache-2.0
Latest release: 7.0.0 (published over 1 year ago)
Last Synced: 2026-08-22T21:32:59.768Z (1 day ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Downloads: 276 Total
Rankings:
- Dependent repos count: 7.034%
- Dependent packages count: 18.87%
- Average: 27.254%
- Downloads: 55.858%
Maintainers (1)
- ant1.richez

Dependencies

docs/package.json npm

npm-run-all ^4.1.5 development
onchange ^6.1.0 development
uglify-js ^3.8.0 development

Build/_build.csproj nuget

Nuke.Common 6.1.2

Src/FluentAssertions/FluentAssertions.csproj nuget

CSharpGuidelinesAnalyzer 3.6.0 development
Microsoft.CodeAnalysis.BannedApiAnalyzers 3.3.3 development
Microsoft.CodeAnalysis.FxCopAnalyzers 3.3.1 development
Microsoft.SourceLink.GitHub 1.1.1 development
StyleCop.Analyzers 1.2.0-beta.406 development
JetBrains.Annotations 2022.1.0
System.Configuration.ConfigurationManager 4.4.0
System.Net.Http 4.3.4
System.Threading.Tasks.Extensions 4.5.0

Tests/Approval.Tests/Approval.Tests.csproj nuget

xunit.runner.visualstudio 2.4.5 development
Microsoft.NET.Test.Sdk 17.2.0
PublicApiGenerator 10.3.0
Verify.DiffPlex 1.3.0
Verify.Xunit 17.2.1
xunit 2.4.2-pre.12

Tests/Benchmarks/Benchmarks.csproj nuget

BenchmarkDotNet 0.13.1
Bogus 34.0.2
System.Collections 4.3.0

Tests/FluentAssertions.Equivalency.Specs/FluentAssertions.Equivalency.Specs.csproj nuget

CSharpGuidelinesAnalyzer 3.6.0 development
Microsoft.CodeAnalysis.FxCopAnalyzers 3.3.1 development
StyleCop.Analyzers 1.2.0-beta.406 development
xunit.runner.visualstudio 2.4.5 development
Chill 4.1.0
Microsoft.NET.Test.Sdk 17.2.0
Newtonsoft.Json 11.0.2
System.Collections.Immutable [1.5.0]
System.Data.DataSetExtensions 4.5.0
Xunit.StaFact 1.1.11
coverlet.collector 3.1.2
xunit 2.4.2-pre.12

Tests/FluentAssertions.Specs/FluentAssertions.Specs.csproj nuget

CSharpGuidelinesAnalyzer 3.6.0 development
Microsoft.CodeAnalysis.FxCopAnalyzers 3.3.1 development
StyleCop.Analyzers 1.2.0-beta.406 development
xunit.runner.visualstudio 2.4.5 development
Chill 4.1.0
Microsoft.NET.Test.Sdk 17.2.0
Newtonsoft.Json 11.0.2
System.Collections.Immutable [1.5.0]
System.Data.DataSetExtensions 4.5.0
Xunit.StaFact 1.1.11
coverlet.collector 3.1.2
xunit 2.4.2-pre.12

Tests/TestFrameworks/MSTestV2.Specs/MSTestV2.Specs.csproj nuget

MSTest.TestAdapter 2.2.10
MSTest.TestFramework 2.2.10
Microsoft.NET.Test.Sdk 17.2.0
coverlet.collector 3.1.2

Tests/TestFrameworks/MSpec.Specs/MSpec.Specs.csproj nuget

Machine.Specifications 1.0.0
Machine.Specifications.Runner.VisualStudio 2.10.2
Microsoft.NET.Test.Sdk 17.2.0
coverlet.collector 3.1.2

Tests/TestFrameworks/NUnit3.Specs/NUnit3.Specs.csproj nuget

NUnit3TestAdapter 4.2.1 development
Microsoft.NET.Test.Sdk 17.2.0
NUnit 3.13.3
coverlet.collector 3.1.2

Tests/TestFrameworks/XUnit2.Specs/XUnit2.Specs.csproj nuget

xunit.runner.visualstudio 2.4.5 development
Microsoft.NET.Test.Sdk 17.2.0
xunit 2.4.2-pre.12

docs/Gemfile rubygems

github-pages >= 0 development
webrick ~> 1.7

.github/workflows/build.yml actions

actions/checkout v3 composite
actions/setup-dotnet v3 composite
actions/upload-artifact v3 composite
andstor/file-existence-action v2 composite
coverallsapp/github-action v2 composite

.github/workflows/code_quality.yml actions

JetBrains/qodana-action v2023.2 composite
actions/checkout v3 composite

package.json npm

cspell ^7.0.0

Tests/AssemblyA/AssemblyA.csproj nuget

Tests/AssemblyB/AssemblyB.csproj nuget

Tests/TestFrameworks/NUnit4.Specs/NUnit4.Specs.csproj nuget

NUnit3TestAdapter 5.2.0 development
Microsoft.NET.Test.Sdk 17.13.0
NUnit 4.6.1
coverlet.collector 6.0.4

.github/workflows/codeql.yml actions

actions/checkout v7 composite
actions/setup-dotnet v6 composite
github/codeql-action/analyze v4 composite
github/codeql-action/init v4 composite

package-lock.json npm

108 dependencies

Tests/ExampleExtensions/ExampleExtensions.csproj nuget

Tests/FluentAssertions.Extensibility.Specs/FluentAssertions.Extensibility.Specs.csproj nuget

xunit.runner.visualstudio 2.8.2 development
Microsoft.NET.Test.Sdk 17.13.0
coverlet.collector 6.0.4
xunit 2.9.3

Tests/TestFrameworks/MSTestV4.Specs/MSTestV4.Specs.csproj nuget

MSTest.TestAdapter 4.2.3
MSTest.TestFramework 4.2.3
Microsoft.NET.Test.Sdk 17.13.0
coverlet.collector 6.0.4

Tests/TestFrameworks/TUnit.Specs/TUnit.Specs.csproj nuget

TUnit 1.63.0

Tests/TestFrameworks/XUnit3.Specs/XUnit3.Specs.csproj nuget

Microsoft.NET.Test.Sdk 17.13.0
coverlet.collector 6.0.4
xunit.runner.visualstudio 3.1.5
xunit.v3 3.2.2

Tests/TestFrameworks/XUnit3Core.Specs/XUnit3Core.Specs.csproj nuget

Microsoft.NET.Test.Sdk 17.13.0
coverlet.collector 6.0.4
xunit.runner.visualstudio 3.1.5
xunit.v3.core 3.2.2

.github/workflows/code_quality_pr.yml actions

JetBrains/qodana-action v2026.2 composite
actions/checkout v7 composite

ecosyste.ms

Data

Tools

Indexes

Applications

Experiments

Summary