jsondiff_test.go

package jsondiff

import (
	"testing"
)

var cases = []struct {
	a      string
	b      string
	result Difference
}{
	{`{"a": 5}`, `["a"]`, NoMatch},
	{`{"a": 5}`, `{"a": 6}`, NoMatch},
	{`{"a": 5}`, `{"a": true}`, NoMatch},
	{`{"a": 5}`, `{"a": 5}`, FullMatch},
	{`{"a": 5}`, `{"a": 5, "b": 6}`, NoMatch},
	{`{"a": 5, "b": 6}`, `{"a": 5}`, SupersetMatch},
	{`{"a": 5, "b": 6}`, `{"b": 6}`, SupersetMatch},
	{`{"a": null}`, `{"a": 1}`, NoMatch},
	{`{"a": null}`, `{"a": null}`, FullMatch},
	{`{"a": "null"}`, `{"a": null}`, NoMatch},
	{`{"a": 3.1415}`, `{"a": 3.14156}`, NoMatch},
	{`{"a": 3.1415}`, `{"a": 3.1415}`, FullMatch},
	{`{"a": 4213123123}`, `{"a": "4213123123"}`, NoMatch},
	{`{"a": 4213123123}`, `{"a": 4213123123}`, FullMatch},
	{`{"a": 123, "b": 456, "c": ["baz", "foo"]}`, `{"a": 123, "c": ["foo", "baz"]}`, SupersetMatch},
}

func TestCompare(t *testing.T) {
	opts := DefaultConsoleOptions()
	opts.PrintTypes = false
	for i, c := range cases {
		result, _ := Compare([]byte(c.a), []byte(c.b), &opts)
		if result != c.result {
			t.Errorf("case %d failed, got: %s, expected: %s", i, result, c.result)
		}
	}
}