json_compare_test.go

package jsoncompare

import "testing"

func TestCompareJSONWithTwoValidEqualStrings(t *testing.T) {
	json1 := []byte(`{"hello":"world"}`)
	json2 := []byte(`{
"hello":"world"
}`)

	val, err := CompareJSON(string(json1), string(json2))

	if err != nil {
		t.Errorf("Error received in comparing two valid json strings. %s", err)
	}

	if val == false {
		t.Error("CompareJSON should have returned true but it returned false")
	}
}

func TestCompareJSONWithTwoValidNonEqualStrings(t *testing.T) {
	json1 := []byte(`{"hello":"world"}`)
	json2 := []byte(`{
"hello":"world",
"second": "test"
}`)

	val, err := CompareJSON(string(json1), string(json2))

	if err != nil {
		t.Errorf("Error received in comparing two valid json strings. %s", err)
	}

	if val == true {
		t.Error("CompareJSON should have returned false but it returned true")
	}
}

func TestCompareJSONWithTwoValidEqualStringsWithRandomKeyOrder(t *testing.T) {
	json1 := []byte(`{"key1":"value1", "key2":"value2", "key3":"value3", "key4":"value4"}`)
	json2 := []byte(`{
"key4":"value4",
"key1":"value1",
"key3":"value3",
"key2":"value2"
}`)

	val, err := CompareJSON(string(json1), string(json2))

	if err != nil {
		t.Errorf("Error received in comparing two valid json strings. %s", err)
	}

	if val == false {
		t.Error("CompareJSON should have returned false but it returned true")
	}
}

func TestCompareJSONWithFirstStringInvalidJSON(t *testing.T) {
	json1 := []byte(`blablaInvalidJson{"key1":"value1", "key2":"value2", "key3":"value3" "key4":"value4"}`)
	json2 := []byte(`{
"key4":"value4",
"key1":"value1",
"key3":"value3",
"key2":"value2"
}`)

	val, err := CompareJSON(string(json1), string(json2))

	if err == nil {
		t.Error("There should be an error for Invalid JSON")
	}

	if val == true {
		t.Error("CompareJSON should have returned false but it returned true")
	}
}

func TestCompareJSONWithSecondStringInvalidJSON(t *testing.T) {
	json1 := []byte(`{"key1":"value1", "key2":"value2", "key3":"value3", "key4":"value4"}`)
	json2 := []byte(`
"key4":"value4",
"key1":"value1",
"key3":"value3",
"key2":"value2"
}`)

	val, err := CompareJSON(string(json1), string(json2))

	if err == nil {
		t.Error("There should be an error for Invalid JSON")
	}

	if val == true {
		t.Error("CompareJSON should have returned false but it returned true")
	}
}

func TestCompareJSONWithBothStringsInvalidJSON(t *testing.T) {
	json1 := []byte(`4354545{"key1":"value1", "key2":"value2", "key3":"value3", "key4":"value4"}`)
	json2 := []byte(`errorError
"key4":"value4",
"key1":"value1",
"key3":"value3",
"key2":"value2"
}`)

	val, err := CompareJSON(string(json1), string(json2))

	if err == nil {
		t.Error("There should be an error for Invalid JSON")
	}

	if val == true {
		t.Error("CompareJSON should have returned false but it returned true")
	}
}

func TestTwoLargeJSONStringsWithNullValues(t *testing.T) {
	json1 := []byte(`{"menu": {
    "header": "SVG Viewer",
    "items": [
        {"id": "Open"},
        {"id": "OpenNew", "label": "Open New"},
        null,
        {"id": "ZoomIn", "label": "Zoom In"},
        {"id": "ZoomOut", "label": "Zoom Out"},
        {"id": "OriginalView", "label": "Original View"},
        null,
        {"id": "Quality"},
        {"id": "Pause"},
        {"id": "Mute"},
        null,
        {"id": "Find", "label": "Find..."},
        {"id": "FindAgain", "label": "Find Again"},
        {"id": "Copy"},
        {"id": "CopyAgain", "label": "Copy Again"},
        {"id": "CopySVG", "label": "Copy SVG"},
        {"id": "ViewSVG", "label": "View SVG"},
        {"id": "ViewSource", "label": "View Source"},
        {"id": "SaveAs", "label": "Save As"},
        null,
        {"id": "Help"},
        {"id": "About", "label": "About Adobe CVG Viewer..."}
    ]
}}`)

	json2 := []byte(`{"menu":{"header":"SVG Viewer","items":[{"id":"Open"},{"id":"OpenNew","label":"Open New"},null,{"id":"ZoomIn","label":"Zoom In"},{"id":"ZoomOut","label":"Zoom Out"},{"id":"OriginalView","label":"Original View"},null,{"id":"Quality"},{"id":"Pause"},{"id":"Mute"},null,{"id":"Find","label":"Find..."},{"id":"FindAgain","label":"Find Again"},{"id":"Copy"},{"id":"CopyAgain","label":"Copy Again"},{"id":"CopySVG","label":"Copy SVG"},{"id":"ViewSVG","label":"View SVG"},{"id":"ViewSource","label":"View Source"},{"id":"SaveAs","label":"Save As"},null,{"id":"Help"},{"id":"About","label":"About Adobe CVG Viewer..."}]}}`)

	val, err := CompareJSON(string(json1), string(json2))

	if err != nil {
		t.Error("There should be an error for Invalid JSON")
	}

	if val == false {
		t.Error("CompareJSON should have returned false but it returned true")
	}

}