/*
Copyright (c) Edgeless Systems GmbH

SPDX-License-Identifier: AGPL-3.0-only
*/
package router

import (
	"testing"

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

func TestValidateContentMD5(t *testing.T) {
	tests := map[string]struct {
		contentMD5     string
		body           []byte
		expectedErrMsg string
	}{
		"empty content-md5": {
			contentMD5: "",
			body:       []byte("hello, world"),
		},
		// https://datatracker.ietf.org/doc/html/rfc1864#section-2
		"valid content-md5": {
			contentMD5: "Q2hlY2sgSW50ZWdyaXR5IQ==",
			body:       []byte("Check Integrity!"),
		},
		"invalid content-md5": {
			contentMD5:     "invalid base64",
			body:           []byte("hello, world"),
			expectedErrMsg: "decoding base64",
		},
	}

	// Iterate over the test cases
	for name, tc := range tests {
		t.Run(name, func(t *testing.T) {
			// Call the validateContentMD5 function
			err := validateContentMD5(tc.contentMD5, tc.body)

			// Check the result against the expected value
			if tc.expectedErrMsg != "" {
				assert.ErrorContains(t, err, tc.expectedErrMsg)
			}
		})
	}
}