stretchr/objx

package objx_test

import (
    "testing"

    "github.com/stretchr/objx"
    "github.com/stretchr/testify/assert"
    "github.com/stretchr/testify/require"
)

func TestSimpleExample(t *testing.T) {
    // build a map from a JSON object
    o := objx.MustFromJSON(`{"name":"Mat","foods":["indian","chinese"], "location":{"county":"hobbiton","city":"the shire"}}`)

    // Map can be used as a straight map[string]interface{}
    assert.Equal(t, o["name"], "Mat")

    // Get an Value object
    v := o.Get("name")
    require.NotNil(t, v)

    // Test the contained value
    assert.False(t, v.IsInt())
    assert.False(t, v.IsBool())
    assert.True(t, v.IsStr())

    // Get the contained value
    assert.Equal(t, v.Str(), "Mat")

    // Get a default value if the contained value is not of the expected type or does not exist
    assert.Equal(t, 1, v.Int(1))

    // Get a value by using array notation
    assert.Equal(t, "indian", o.Get("foods[0]").Data())

    // Set a value by using array notation
    o.Set("foods[0]", "italian")
    assert.Equal(t, "italian", o.Get("foods[0]").Str())

    // Get a value by using dot notation
    assert.Equal(t, "hobbiton", o.Get("location.county").Str())
}