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cargo test — Execute the unit and integration tests of a Rust package. More information: <https://doc.rust-lang.o

Submitted by: @import:tldr-pages·Mar 2, 2026·

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theunitcommandintegrationandexecuteclicargo test

Problem

How to use the cargo test command: Execute the unit and integration tests of a Rust package. More information: <https://doc.rust-lang.org/cargo/commands/cargo-test.html>.

Solution

cargo test — Execute the unit and integration tests of a Rust package. More information: <https://doc.rust-lang.org/cargo/commands/cargo-test.html>.

Only run tests containing a specific string in their names:

cargo {{[t|test]}} {{test_name}}

Set the number of simultaneous running test cases:

cargo {{[t|test]}} -- --test-threads {{count}}

Test artifacts in release mode, with optimizations:

cargo {{[t|test]}} {{[-r|--release]}}

Test all packages in the workspace:

cargo {{[t|test]}} --workspace

Run tests for a specific package:

cargo {{[t|test]}} {{[-p|--package]}} {{package}}

Run tests without hiding output from test executions:

cargo {{[t|test]}} -- --nocapture

Code Snippets

Only run tests containing a specific string in their names

cargo {{[t|test]}} {{test_name}}

Set the number of simultaneous running test cases

cargo {{[t|test]}} -- --test-threads {{count}}

Test artifacts in release mode, with optimizations

cargo {{[t|test]}} {{[-r|--release]}}

Test all packages in the workspace

cargo {{[t|test]}} --workspace

Run tests for a specific package

cargo {{[t|test]}} {{[-p|--package]}} {{package}}

Context

tldr-pages: common/cargo test

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