###Go-Mocket

Go-Mocket is library inspired by DATA-DOG/go-sqlmock As inspiration library it is implementation of sql/driver interface but at the same time follows different approaches and has only similar API. This library helps to mock any DB connection also with jinzhu/gorm and it was main goal to create it

List of features in the library:

• Mock INSERT, UPDATE, SELECT, DELETE
• Support of transactions
• 2 API's to use - chaining and via specifying whole mock object
• Matching by prepared statements arguments
• You will not require to change anything inside you code to start using this library
• Ability to trigger exceptions
• Attach callbacks to mocked response to add additional check or modify response

NOTE Please be aware that driver catches SQL without DB specifics. Generating of queries is done by sql package

####Install

go get github.com/selvatico/go-mocket

Usage

There are two possible ways to use mocket:

• Chaining API
• Specifying FakeResponse object with all fields manually. Could be useful for

Enabling driver

Somewhere in you code to setup a tests

import (
    "database/sql"
    mocket "github.com/selvatico/go-mocket"
    "github.com/jinzhu/gorm"
)

func SetupTests() {
    sql.Register("fake_test", mocket.FakeDriver{})
    // GORM
    db, err := gorm.Open("fake_test", "connection_string") // Could be any connection string
    app.DB = db

    // Regular sql package usage
    db, err := sql.Open(driver, source)
}

Now if use singleton instance of DB it will use everywhere mocked connection.

Chain usage

Example of mocking by pattern

import mocket "github.com/selvatico/go-mocket"
import "net/http/httptest"

func TestHandler(t *testing.T) {
    request := httptest.NewRequest("POST", "/application", postBody)
    recorder := httptest.NewRecorder()

    GlobalMock := mocket.Catcher
    GlobalMock.Logging = true // log mocket behavior

    commonReply := []map[string]interface{}{{"id": "2", "field": "value"}}
    // Mock only by query pattern
    GlobalMock.NewMock().WithQuery(`"campaigns".name IS NULL AND (("uuid" = test_uuid))`).WithReply(commonReply)
    Post(recorder, request) // call handler

    r := recorder.Result()
    body, _ := ioutil.ReadAll(r.Body)

    // some assertion about results
    //...

}

Documentation in progress....