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Slapper is a simple load testing tool written in Go, which can send HTTP requests to your server and display the results in a histogram. It provides basic performance metrics, such as request rate, response times, and error rates.

• Basic performance metrics
• Histogram visualization of response time distribution
• Adjustable request rate, timeout, and worker count
• Supports multiple request targets
• Configurable ramp-up time for gradually increasing request rate

Justdownload a release or install SlapperX via

go install github.com/s-macke/slapperx@latest

To use Slapper, you need to have Go installed on your machine. You can download Go fromthe official website.

After installing Go, clone this repository and build the binary:

git clone https://github.com/s-macke/SlapperX.gitcd SlapperXgo build

Here is an example of how to use Slapper:

./slapper -targets targets.http -workers 8 -timeout 30s -rate 50 -minY 0ms -maxY 100ms -rampup 10s

• -targets: Targets file containing the REST request data to be tested in the.http format..
• -workers: Number of workers sending requests concurrently (default 50).
• -timeout: Request timeout duration (default 30 seconds).
• -rate: Desired request rate per second (default 50).
• -minY: Minimum Y-axis value for the histogram (default 0 milliseconds).
• -maxY: Maximum Y-axis value for the histogram (default 100 milliseconds).
• -rampup: Duration to ramp up to the desired request rate (default 0 seconds).

• q: Quit the program.
• r: Reset the statistics.
• k: Increase request rate by 10
• j: Decrease request rate by 10
• Ctrl+C: Quit the program.

The targets file follows the same format as the Jetbrains.http files.You can find the full specification in theJetBrains documentation.

Here is an example:

GET https://api.example.com/usersAuthorization: Bearer your_token_hereContent-Type: application/json###POST https://api.example.com/usersAuthorization: Bearer your_token_hereContent-Type: application/json{  "name": "John Doe",  "email": "john.doe@example.com"}###PUT https://api.example.com/users/123Authorization: Bearer your_token_hereContent-Type: application/json{  "email": "updated.email@example.com"}

In this example, we have three HTTP requests:

1. AGET request to retrieve a list of users.
2. APOST request to create a new user.
3. APUT request to update an existing user's email.

Each request includes headers, such asAuthorization andContent-Type, and uses the### separator to distinguish between requests.

Contributions are welcome! If you have found a bug or have a feature request, please create an issue or submit a pull request.

This project is released under theMIT License.