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JSONAPIUnit


AUR version GitHub Travis CI

A framework for unit testing your JSON REST APIs. Write test cases in typescript like language.

Contents

Installation

Ubuntu

Download the ubuntu build from here and install it using below command.

$ sudo dpkg -i ./jsonapiunit_0.1.3_amd64.deb

Arch Linux

Clone the AUR and install.

git clone https://aur.archlinux.org/jsonapiunit.git
cd jsonapiunit
makepkg -si

Other Distros

Download pre-built binary from here and run it.

Usage

Download binaries or build the JSONAPIUnit on your PC and run jsonapiunit on your terminal.

Configuration

JSONAPIUnit looks for a jsonapiunit.jsonc configuration file in the project root folder.

Defining Default Request Behaviours

Users can define default request headers or method by placing a property named default in their config file. This property is optional.

// jsonapiunit.jsonc
{
    // ...
    "default":{
        // Optional
        "method":"GET",
        // Optional
        "headers": {
            "Accept": "application/json"
        }
    }
}

Base URL

baseUrl property allow users to define their base URL. After that users can define a relative URL in their test cases. This property is optional. JSONAPIUnit using RFC3986 standard to combine the URLs.

// jsonapiunit.jsonc
{
    // ...
    "baseUrl":"http://127.0.0.1:8000/api/"
}
// In the test case
{
    // ...
    "url":"user/login"
}

Under Proxy

A proxy to use for outgoing https requests. Users can define their proxy settings by adding a new property named proxy to their config file.

// jsonapiunit.jsonc
{
    "proxy":{
        // This property is required
        "uri": "proxy uri",
        // These properties are optional
        "username": "username to the proxy server",
        "password": "proxy server password"
    }
}

Select test cases

Users can provide their own file path pattern for tracking test cases. By default JSONAPIUnit will tracking the apiTest/*.jsonc files.

// jsonapiunit.jsonc
{
    // ...
    "files": "tests/*.json"
}

Pre Variables

Users can provide variables to use in test cases. These variables creating on initialization.

// jsonapiunit.jsonc
{
    // ...
    "preVariables":{
        "username":"murali"
    }
}

Example

Example Test Case

This is a example test case for JSONAPIUnit.

{
    "url":"http://127.0.0.1:8000/api/user/login",
    // This property is optional if you 
    // provided a default request method 
    // in config file
    "method":"POST",
    "request":{
        "body":{
            "username":"dev",
            // Prompt user to insert a password
            // to send with the request
            // and storing it in a new variable
            // named `password`.
            // You can access this variable in
            // other test cases
            "password":"{{ > password: string }}"
        },
        // This property is optional if you 
        // provided a default request method 
        // in config file
        "headers":{
            "Accept": "application/json",
            "Content-Type": "application/json"
        }
    },
    "response": {
        "body":{
            // Creating a new variable named token and checking the type
            "token":"{{ token: string }}",
            // Checking the type without creating a new variable
            "mileage": "{{ number }}",
            "limit": "{{ limit:number }}",
            // Save the value to a variable named anotherLimit and 
            // compare it with previously created variable
            "anotherLimit": "{{ anotherLimit:number && (anotherLimit >= limit) }}"
        }
    }
}

Example Output

This is a sample output of JSONAPIUnit.

STARTED : apiTest/b_userDetails.jsonc
PASSED : Assertion: HTTP_STATUS_200, Value: HTTP_STATUS_200
FAILED : Assertion: "{{ limit:number }}", Value: Not Supplied
PASSED : Assertion: "{{string}}", Value: "Muththaiya Muralitharan"
PASSED : Assertion: true, Value: true
FAILED : Assertion: "{{usage: number && usage<=limit}}", Value: Not Supplied
PASSED : Assertion: "{{string}}", Value: "murali"
FAILED TEST CASE : Name: apiTest/b_userDetails.jsonc, Reason: "Some assertion(s) failed.", Assertions: 5, Fails: 2, TotAssertions: 13, TotFails: 2

Example Project

Users can run working example by executing following commands.

$ cargo build --all
$ cd example
$ cargo run
// Open an another terminal in current directory and run bellow command parallely.
$ ../target/debug/json-api-tester

Request

JSONAPIUnit enable users to create dynamic requests based on previously requests.

Normal request:-

{
    // ...
    "request":{
        "body":{
            "username":"my-user"
        },
        "headers":{
            "Accept":"application/json"
        }
    }
}

User Inputs

Users can insert their inputs before sending the request.

// Test Case
{
    // ...
    "request":{
        // ...
        "body":{
            "password":"{{> password: string}}"
        }
    }
}

Using Variables

Sending previously created variables in request body or request headers.

// Test Case
{
    "request":{
        "body":{
            // catId is a previously created variable
            "id":"{{catId}}"
        },
        "headers":{
            // token is also a previously created variable
            "Authorization": "Bearer {{token}}"
        }
    }
}

Validating Responce

Type Checking

Check the exact type of response data. Available types are string,number,null,any,array and object.

Example:-

// Test Case

{
    // ...
    "response":{
        // ...
        "body":{
            "name" : "{{string}}",
            "limit" : "{{number}}",
            "nick_name" : "{{string|null}}"
        }
    }
}

JSONAPIUnit currently not supporting to use multiple conflicting types. Ex:- number|string, object|array

Variable Declaration

Assign JSON value to a new variable.

// Test Case
{
    // ...
    "response":{
        // ...
        "body":{
            "name": "{{name:string}}",
            "limit": "{{ limit: number }}",
            "nick_name": "{{ nickName: string|null }}"
        }
    }
}

You can use these variables to validate other assertions on same test case or another test cases.

Comparisons

Compare data with previously created variables or other hard coded values.

// Test Case
{
    // ...
    "response":{
        // ...
        "body":{
            // mileageLimit is a previously created variable
            "mileage":"{{mileage:number && mileage <= mileageLimit}}",
            "billCount": "{{billCount:number && billCount > 0}}",
            "name": "{{name: string && name == 'Abrahm'}}"
        }
    }
}

Array Validations

Validating all elements of an array.

// Test Case
{
    // ...
    "response":{
        // ...
        "body":{
            "categories":[
                // JSONAPIUnit will matching all elements
                // of this array with bellow type.
                {
                    "id":"{{number}}",
                    "name":"{{string}}"
                }
            ]
        }
    }
}

Nested Object Validation

Validating the nested elements of response.

// Test Case

{
    // ...
    "response":{
        // ...
        "body":{
            // ...
            "product":{
                // ...
                "category":{
                    // ...
                    "name":"{{string}}"
                }
            }
        }
    }
}

Advanced Validations

Users can use JS functions in comparisons to validate.

// Test Case
{
    // ...
    "response":{
        // ...
        "body":{
            "categories":"{{categories:array && categories.length >100}}"
        }
    }
}

Todo

  • Response Header Validation.
  • Passing config variables from command line.

Contributing

All PRs and issues are welcome. And also stars are welcome.

Please format and test your codes before sending PRs.