/*
Copyright 2022 The Kubernetes Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package format_test

import (
	"fmt"
	"regexp"
	"testing"

	"github.com/onsi/gomega/format"
)

func TestGomegaFormatObject(t *testing.T) {
	for name, test := range map[string]struct {
		value       interface{}
		expected    string
		indentation uint
	}{
		"int":            {value: 1, expected: `<int>: 1`},
		"string":         {value: "hello world", expected: `<string>: hello world`},
		"struct":         {value: myStruct{a: 1, b: 2}, expected: `<format_test.myStruct>: {a: 1, b: 2}`},
		"gomegastringer": {value: typeWithGomegaStringer(2), expected: `<format_test.typeWithGomegaStringer>: my stringer 2`},

		// v1.Pod is tested in test/utils/format.

		// For unstructured.Unstructured, the corresponding testuses the real type.
		// The expected result is a bit different because "our" myUnstructured has no
		// special JSON encoding methods, but for testing that YAML is used at all that's
		// sufficient.
		"unstructured-pointer": {
			value: &myUnstructured{
				Object: map[string]any{
					"metadata": map[string]any{
						"name": "some-name",
					},
				},
			},
			expected: `<*format_test.myUnstructured | <hex>>: 
    Object:
      metadata:
        name: some-name`,
		},
		"unstructured-value": {
			value: myUnstructured{
				Object: map[string]any{
					"metadata": map[string]any{
						"name": "some-name",
					},
				},
			},
			expected: `<format_test.myUnstructured>: 
    Object:
      metadata:
        name: some-name`,
		},
	} {
		t.Run(name, func(t *testing.T) {
			actual := format.Object(test.value, test.indentation)
			actual = regexp.MustCompile(`\| 0x[a-z0-9]+`).ReplaceAllString(actual, `| <hex>`)
			if test.expected != actual {
				t.Errorf("Expected:\n%s\nActual:\n%s\n", test.expected, actual)
			}
		})
	}

}

type typeWithGomegaStringer int

func (v typeWithGomegaStringer) GomegaString() string {
	return fmt.Sprintf("my stringer %d", v)
}

type myStruct struct {
	a, b int
}

type myUnstructured struct {
	Object map[string]any
}