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insta
A snapshot testing library for Rust
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wiremock
HTTP mocking to test Rust applications
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static_assertions
Compile-time assertions to ensure that invariants are met
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httpmock
HTTP mocking library for Rust
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assert_cmd
Test CLI Applications
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rstest
Rust fixture based test framework. It use procedural macro to implement fixtures and table based tests.
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serial_test
Allows for the creation of serialised Rust tests
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test-case
#[test_case(...)] procedural macro attribute for generating parametrized test cases easily
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arbitrary
The trait for generating structured data from unstructured data
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test-log
A replacement of the #[test] attribute that initializes logging and/or tracing infrastructure before running tests
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assert_fs
Filesystem fixtures and assertions for testing
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axum-test
For spinning up and testing Axum servers
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assert2
assert!(...) and check!(...) macros inspired by Catch2, now with diffs!
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mockall
A powerful mock object library for Rust
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expect-test
Minimalistic snapshot testing library
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cucumber
testing framework for Rust, with async support. Fully native, no external test runners or dependencies.
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serde_test
Token De/Serializer for testing De/Serialize implementations
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cargo-hack
Cargo subcommand to provide various options useful for testing and continuous integration
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assert-json-diff
Easily compare two JSON values and get great output
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snapbox
Snapshot testing toolbox
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cargo-llvm-cov
Cargo subcommand to easily use LLVM source-based code coverage (-C instrument-coverage)
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libtest-mimic
Write your own test harness that looks and behaves like the built-in test harness used by
rustc --test -
ntest
Testing framework for rust which enhances the built-in library with some useful features
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turmoil
Simulation testing framework for distributed systems
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rusty-fork
Cross-platform library for running Rust tests in sub-processes using a fork-like interface
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cargo-tarpaulin
determine code coverage achieved via tests
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httptest
HTTP testing facilities including a mock server
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more-asserts
Small library providing additional assert_* and debug_assert_* macros
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assertables
assert macros for better testing, debugging, quality assurance, and runtime reliability
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bolero
fuzz and property testing front-end
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rexpect
Interact with unix processes/bash the same way as pexpect or Don libes expect does
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testresult
type for concise and precise test failures
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speculoos
Fluent test assertions
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cov-mark
Manual coverage marks
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pact_consumer
Pact-Rust module that provides support for writing consumer pact tests
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claims
Additional assertion macros for testing
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pact_matching
Pact-Rust support library that implements request and response matching logic
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goldenfile
testing library
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tokio-test
Testing utilities for Tokio- and futures-based code
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cool_asserts
A collection of useful testing assertions and utilities
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faux
mock structs
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parameterized
Procedural macro which brings a compact parameterized testing implementation to Rust (inspired by JUnit @ParameterizedTest)
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ui_test
A test framework for testing rustc diagnostics output
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aws-smithy-mocks
Testing utilities for smithy-rs generated clients
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trybuild2
Test harness for ui tests of compiler diagnostics (with support for inline tests)
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mock_instant
way to mock an std::time::Instant
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pact_mock_server
Pact-Rust support library that implements in process mock server
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futures-test
Common utilities for testing components built off futures-rs
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cargo-no-dev-deps
Cargo subcommand for running cargo without dev-dependencies
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cross
Zero setup cross compilation and cross testing
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dinghy-build
Cross-compilation made easier - helpers for build.rs scripts
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dinghy-test
Cross-compilation made easier - see main crate cargo-dinghy
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expectrl
automating terminal applications in Unix like Don libes expect
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mutatis
mutatisis a library for writing custom, structure-aware test-case mutators for fuzzers in Rust -
test-casing
Parameterized test cases and test decorators
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comparable
comparing data structures in Rust, oriented toward testing
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all_asserts
multiple types of asserts that don't exist in the standard library
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unimock
A versatile and developer-friendly trait mocking library
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quicktest
Quick Test CLI: A Cross-Platform for Automated Testing in Competitive Programming
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tor-rtmock
Testing mock support for tor-rtcomapt
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gix-testtools
Shared code for gitoxide crates to facilitate testing
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file_test_runner
File-based test runner for running tests found in files
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cargo-minimal-versions
Cargo subcommand for proper use of -Z minimal-versions and -Z direct-minimal-versions
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swc
Speedy web compiler
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trybuild-internals-api
A fork of trybuild with the internals exposed as a public API
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embedded-test
A test harness and runner for embedded devices
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cargo-all-features
A Cargo subcommand to build and test all feature flag combinations
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expectorate
comparing output to file contents with simple updating
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google-testing1
A complete library to interact with testing (protocol v1)
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roqoqo-test
Testing helper functions for roqoqo toolkit
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hitt
Command line HTTP testing tool focused on speed and simplicity
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minimizer
Minimize files to find minimal test case
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tracey
CLI tool to measure spec coverage in Rust codebases
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trycmd
Snapshot testing for a herd of CLI tests
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cargo-dinghy
Cross-compilation made easier
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jikken
CLI tool for automated API testing. It utilizes JKT files (Jikken Test Definitions) to execute jobs for testing REST APIs. It has first-class support on Windows, macOS, and Linux. Visit jikken.io for more info
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test-in-docker
CLI tool to test your code in specific environments using Docker
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gherkin
Pure Rust implementation of Gherkin language (
.featurefile) for Cucumber testing framework -
clitest
CLI/test: A literate CLI testing tool
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test-strategy
Procedural macro to easily write higher-order strategies in proptest
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rfs_tester
package allows you to create a temporary directory for testing purposes. You can use it to perform tests related to file operations. After the tests are finished, the temporary directory will be deleted automatically
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raz-cli
Universal command runner for Rust - Run any Rust file from anywhere with cursor-aware test targeting and override persistence
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axotly
A fast, reliable, and expressive API testing tool designed for developer happiness
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memory-db
In-memory implementation of hash-db, useful for tests
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google-testing1-cli
A complete library to interact with testing (protocol v1)
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test-with
A lib help you run test with condition
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goldentests
A golden file testing library where tests can be configured within the same test file
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antithesis_sdk
Rust SDK for the Antithesis autonomous software testing platform
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goldie
golden file testing
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ra_ap_test_utils
Assorted testing utilities for rust-analyzer
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cargo-mutants
Inject bugs and see if your tests catch them
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pact_verifier
Pact-Rust support library that implements provider verification functions
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odra-vm
Odra Virtual Machine for testing and development
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assertr
Fluent assertions for the Rust programming language
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cargo-ensure-no-default-features
Ensures a workspace's Cargo.toml file always uses default-features = false for all dependencies
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clawspec-core
Core library for generating OpenAPI specifications from tests
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mock-collector
Mock OpenTelemetry OTLP collector server for testing
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deepmesa-collections
A collection of data structures and algorithms designed for performance
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cargodisttest
💬 a CLI for learning to distribute CLIs in rust
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gba_test
Testing framework for the Game Boy Advance
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diskann
fast approximate nearest neighbor search library for high dimensional data
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wasmcloud-test-util
testing wasmCloud hosts, providers, and components
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iprange
manage IP ranges
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pact-stub-server
Standalone pact stub server
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pact_ffi
Pact interface for foreign languages
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elizacp
Classic Eliza chatbot as an ACP agent for testing
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tree-fs
convenient way to create a tree of files
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mockforge-mqtt
MQTT protocol support for MockForge
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scrut
powerful test framework for CLI applications
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jugar-probar
Probar: Rust-native testing framework for WASM games
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quixote
Quizzes and tests in Markdown
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aws-sdk-devicefarm
AWS SDK for AWS Device Farm
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tracing-mock
testing
tracingand crates that uses it -
playwright-rs
Rust bindings for Microsoft Playwright
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intspan
Command line tools for IntSpan related bioinformatics operations
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mry
but powerful mocking library that supports struct, trait, and function
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prop-check-rs
A Property-based testing Library in Rust
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equator
Composable assertion library
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tonic-mock
Test utilities for easy mocking tonic streaming interface
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pact_models
Pact-Rust support library that provides the core models for dealing with Pact files
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quickcheck
Automatic property based testing with shrinking
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serde_assert
Testing library for serde Serialize and Deserialize implementations
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expect-json
For comparisons on JSON data
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artemis-cli
A CLI tool to interact with Artemis exercises
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runtime-macros
Simulate expansion of procedural macros at run time
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testtrim
Intelligently select automated tests to run via code coverage analysis
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bolero-generator
value generator for testing and fuzzing
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yamlbase
A lightweight SQL server that serves YAML-defined tables over standard SQL protocols
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limmat
run continuous tests locally on Git revision ranges
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erbium
Network services for small/home networks
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testutils
Offers a range of utility functions, macros, and tools, such as
simple_benchmark()anddbg_ref!(),os_cmd::Runner, designed for testing purposes -
mutants
Decorator attributes to be used with cargo-mutants
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rust-criu
Rust bindings for CRIU
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nwr
nwris a command line tool for newick and taxonomy -
llvm-cov-pretty
More beautiful HTML reports for llvm-cov/cargo-llvm-cov
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aws-smithy-protocol-test
A collection of library functions to validate HTTP requests against Smithy protocol tests
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checkito
A safe, efficient and simple QuickCheck-inspired library to generate shrinkable random data mainly oriented towards generative/property/exploratory testing
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tinyrick
a freeform Rust build system
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avr-tester
Framework for testing AVR binaries
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assert-struct
A procedural macro for ergonomic structural assertions in tests
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beancount-parser-lima
A zero-copy parser for Beancount
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mockforge-amqp
AMQP protocol support for MockForge
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httprunner
HTTP File Runner - CLI tool for executing HTTP requests from .http files
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teremock
Fast integration testing library for teloxide Telegram bots
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avr-simulator
Oxidized interface for simavr
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postgres-openssl
TLS support for tokio-postgres via openssl
-
dmntk-test-runner
DMNTK | Test runner
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egui_kittest
Testing library for egui based on kittest and AccessKit
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narrative
An immensely simple library for story-driven development
-
mockforge-ftp
FTP protocol support for MockForge
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lorikeet
a parallel test runner for devops
-
red-green-refactor
project to demonstrate the red-green-refactor cycle in TDD
-
signet-libmdbx
Idiomatic and safe MDBX wrapper
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cargo-archtest-cli
CLI of arch_test_core for rule based architecture tests
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minlz
S2 compression format - compatible with klauspost/compress/s2
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ws-mock
A websocket mock server for testing, inspired by Wiremock
-
zk-mutant
Mutation testing for Noir circuits
-
test-temp-dir
Temporary directories for use in tests
-
mocked
Your friendly HTTP mock response server
-
aws-sdk-apptest
AWS SDK for AWS Mainframe Modernization Application Testing
-
cargo-advrunner
An advanced configurable cargo runner
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postgres-native-tls
TLS support for tokio-postgres via native-tls
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monkey_test
A property based testing (PBT) tool like QuickCheck, ScalaCheck and similar libraries, for the Rust programming language
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env-lock
Set and lock environment variables for tests
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ron2json
Convert ron files to json, yaml, or toml or vice versa
-
pytest-language-server
A blazingly fast Language Server Protocol implementation for pytest
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blendwerk
A file-based mock HTTP/HTTPS server that maps directory structures to API endpoints
-
cargo-subunit
Cargo extension to run tests and output results in subunit format
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qlean
A system-level isolation testing library based on QEMU/KVM
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fault-injection
fault injection, concurrency delay injection, and error source annotation
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lets_expect_assertions
lets_expect assertions. This crate is internal to the lets_expect crate and should not be used directly.
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cargo-msrv-prep
Cargo subcommand useful to prepare for determining/verifying a crate's MSRV
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shex_testsuite
RDF data shapes implementation in Rust
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assert_tv
De-randomized detereministic tests with test-vectors
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teloxide_tests
Test suite for teloxide bots
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ruchyruchy
JIT Compiler + Advanced Debugging Tools - Cranelift-based JIT with mixed-mode execution, eBPF syscall tracing, statistical profiling, 10 quality tools, automated bug detection, 95%+ detection rate…
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pta-generator
Test data generator for PTA applications
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proptest-derive
Custom-derive for the Arbitrary trait of proptest
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viewpoint-core
High-level browser automation API for Viewpoint
-
pact-plugin-driver
Pact support library that provides an interface for interacting with Pact plugins
-
proto_pdk_test_utils
testing proto WASM plugins
-
reord
Run your tests multi-threaded, but in a reproducible way
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mabi-chaos
Mabinogion - Chaos engineering module for fault injection and resilience testing
-
inline-c
Write and execute C code inside Rust
-
libtest-with
A slightly customized version of libtest-mimic, such that it can be easier create a test runner for test-with
-
test_bin
getting the crate binary in an integration test
-
tooltest
CLI conformance testing for MCP servers
-
libR-sys
Low level bindings to the R programming language
-
mockforge-analytics
Traffic analytics and metrics dashboard for MockForge
-
prek-rust-echo
cli that echoes its arguments for prek testing
-
nanvm
NaN VM
-
dhcpm
A cli for mocking DHCP messages and running rhai scripts to test DHCP servers. Aims to support v4 & v6, thought v6 is as of yet unfinished.
-
mockforge-kafka
Kafka protocol support for MockForge
-
viewpoint-cdp
Low-level Chrome DevTools Protocol implementation over WebSocket
-
fixtures
Run tests against fixtures
-
sic_testing
Commonly used testing operations for the 'imagineer' image cli project
-
testscript-rs
testing command-line tools using filesystem-based script files
-
polytest
A low-friction language-agnostic tool for keeping tests in sync across teams and implementations
-
freenet-test-network
Reliable test network infrastructure for Freenet
-
cargo-insta
A review tool for the insta snapshot testing library for Rust
-
rspack_macros_test
rspack macros test
-
news-flash
Base library for a modern feed reader
-
alfrusco
building Alfred workflows with Rust
-
mabi-scenario
Mabinogion - Scenario engine for time-based simulation orchestration
-
rcp-tools-filegen
Test fileset generator - creates sample directory structures and files for testing file operations
-
isotarp
Identify which tests provide code coverage of which lines, uniquness, and redundancy
-
rjest-cli
Jest-compatible CLI that communicates with jestd daemon
-
polygons
Fast points-in-polygon test and distances to polygons
-
jgd-rs
generating realistic JSON data using declarative schema definitions
-
import_map
WICG Import Maps specification
-
styx-lsp-test-schema
Schema types for LSP extension test files
-
quint-connect
A model-based testing framework that connects Quint specifications with Rust applications
-
syster-lsp
Language Server Protocol implementation for SysML v2
-
bolero-generator-hydro
value generator for testing and fuzzing (forked for the hydro_lang crate)
-
surrealkit
Manage migrations, seeding and tests for your SurrealDB via CLI
-
libafl_targets
Common code for target instrumentation that can be used combined with LibAFL
-
http-test-server
Programatically create resources and pre-defined responses for tests
-
mockforge-data
Data generator for MockForge - faker + RAG synthetic data engine
-
rustenium
A modern, high-performance WebDriver BiDi automation library for Rust
-
clnrm
Cleanroom Testing Framework - CLI tool
-
claudeless
Claude CLI simulator for integration testing
-
apimock
A developer-friendly, featherlight and functional HTTP(S) mock server built in Rust
-
wd_tools
tools for rust
-
swc_ecma_testing
Testing utilities for ecmascript
-
lets_expect
Clean tests for Rust
-
bolero-hydro
fuzz and property testing front-end (forked for the hydro_lang crate)
-
rustloc
CLI tool for counting lines of code in Rust projects with test/code separation
-
llmsim
LLM Traffic Simulator - A lightweight, high-performance LLM API simulator
-
mockforge-collab
Cloud collaboration features for MockForge - team workspaces, real-time sync, and version control
-
tracing-capture
Capturing tracing spans and events, e.g. for testing
-
viewpoint-test
Test framework for Viewpoint browser automation with Playwright-style assertions
-
frunk_laws
contains laws for algebras declared in Frunk
-
test_executors
async executors for testing
-
fluent-test
A fluent, Jest-like testing library for Rust
-
static_assertions_next
Compile-time assertions to ensure that invariants are met
-
bolero-afl
afl plugin for bolero
-
adk-eval
Agent evaluation framework for ADK-Rust
-
bolero-honggfuzz
honggfuzz plugin for bolero
-
bolero-engine
fuzz and property testing framework
-
verificar
Synthetic Data Factory for Domain-Specific Code Intelligence
-
rust_test_core
Core logic for rust_test_framework
-
test-assembler
A set of types for building complex binary streams
-
bevy_debug_log
Allows viewing tracing debug log output inside the bevy app using vanilla bevy_ui
-
rwkv-tokenizer
A fast RWKV Tokenizer
-
fuzzcheck
A modular, structure-aware, and feedback-driven fuzzing engine for Rust functions
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