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OpenAPI - Assert

Codecov branch GoDoc Go Report Card License

Description

openapi-assert is a Go package that provides a affordable way to validate http requests and responses data throught OpenAPI Schema Specification (Swagger) and the project was inspired by PHP Swagger Assertions. It has the following features:

  • Assert request and response media types
  • Assert request and response headers
  • Assert request query strings
  • Assert request and response body.
  • Assert the entire http request and response object.

Requirements

OpenAPI Assert requires Go 1.11 or later.

Instalation

Use go get.

$ go get github.com/faabiosr/openapi-assert

Then import the package into your own code:

import "github.com/faabiosr/openapi-assert"

Usage

The package provides methods that allow you to assert raw data using swagger files.

See it in action:

package main

import (
    assert "github.com/faabiosr/openapi-assert"
    "log"
    "net/http"
)

func main() {
    doc, err := assert.LoadFromURI("http://petstore.swagger.io/v2/swagger.json")

    if err != nil {
        log.Fatal(err)
    }

    assert := assert.New(doc)

    log.Println(
        assert.RequestMediaType("text/html", "/pet", http.MethodPost),
    )

    log.Println(
        assert.RequestMediaType("image/gif", "/v2/pet", http.MethodPost),
    )
}

Asserting http request object using the swagger schema file:

package main

import (
	"fmt"
	assert "github.com/faabiosr/openapi-assert"
	"log"
	"net/http"
)

func main() {
	doc, err := assert.LoadFromURI("http://petstore.swagger.io/v2/swagger.json")

	if err != nil {
		log.Fatal(err)
	}

	assert := assert.New(doc)

	http.HandleFunc("/v2/pet", func(w http.ResponseWriter, r *http.Request) {
		err := assert.Request(r)

		fmt.Fprint(w, err)
	})

	log.Fatal(
		http.ListenAndServe("127.0.0.1:9000", nil),
	)
}

Asserting http response object using the swagger schema file:

package main

import (
	assert "github.com/faabiosr/openapi-assert"
	"log"
	"net/http"
)

func main() {
	doc, err := assert.LoadFromURI("http://petstore.swagger.io/v2/swagger.json")

	if err != nil {
		log.Fatal(err)
	}

	assert := assert.New(doc)

	res, err := http.Get("https://petstore.swagger.io/v2/pet/111111422")

	if err != nil {
		log.Fatal(err)
	}

	log.Println(assert.Response(res))
}

Examples

Development

Requirements

Makefile

# Clean up
$ make clean

# Download project dependencies
$ make configure

# Run tests and generates html coverage file
$ make cover

# Format all go files
$ make fmt

# GolangCI-Lint
$ make lint

# Run tests
$make test

License

This project is released under the MIT licence. See LICENSE for more details.

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Asserting data against OpenAPI docs.

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