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// Copyright (C) MongoDB, Inc. 2017-present.
//
// 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
package connstring_test
import (
"encoding/json"
"io/ioutil"
"path"
"strings"
"testing"
"github.com/stretchr/testify/require"
testhelpers "go.mongodb.org/mongo-driver/internal/testutil/helpers"
"go.mongodb.org/mongo-driver/x/mongo/driver/connstring"
)
type host struct {
Type string
Host string
Port json.Number
}
type auth struct {
Username string
Password *string
DB string
}
type testCase struct {
Description string
URI string
Valid bool
Warning bool
Hosts []host
Auth *auth
Options map[string]interface{}
}
type testContainer struct {
Tests []testCase
}
const connstringTestsDir = "../../../../data/connection-string/"
const urioptionsTestDir = "../../../../data/uri-options/"
func (h *host) toString() string {
switch h.Type {
case "unix":
return h.Host
case "ip_literal":
if len(h.Port) == 0 {
return "[" + h.Host + "]"
}
return "[" + h.Host + "]" + ":" + string(h.Port)
case "ipv4":
fallthrough
case "hostname":
if len(h.Port) == 0 {
return h.Host
}
return h.Host + ":" + string(h.Port)
}
return ""
}
func hostsToStrings(hosts []host) []string {
out := make([]string, len(hosts))
for i, host := range hosts {
out[i] = host.toString()
}
return out
}
func runTestsInFile(t *testing.T, dirname string, filename string, warningsError bool) {
filepath := path.Join(dirname, filename)
content, err := ioutil.ReadFile(filepath)
require.NoError(t, err)
var container testContainer
require.NoError(t, json.Unmarshal(content, &container))
// Remove ".json" from filename.
filename = filename[:len(filename)-5]
for _, testCase := range container.Tests {
runTest(t, filename, testCase, warningsError)
}
}
var skipDescriptions = map[string]struct{}{
"Valid options specific to single-threaded drivers are parsed correctly": {},
}
var skipKeywords = []string{
"tlsAllowInvalidHostnames",
"tlsAllowInvalidCertificates",
"tlsDisableCertificateRevocationCheck",
"serverSelectionTryOnce",
}
func runTest(t *testing.T, filename string, test testCase, warningsError bool) {
t.Run(test.Description, func(t *testing.T) {
if _, skip := skipDescriptions[test.Description]; skip {
t.Skip()
}
for _, keyword := range skipKeywords {
if strings.Contains(test.Description, keyword) {
t.Skipf("skipping because keyword %s", keyword)
}
}
cs, err := connstring.ParseAndValidate(test.URI)
// Since we don't have warnings in Go, we return warnings as errors.
//
// This is a bit unfortuante, but since we do raise warnings as errors with the newer
// URI options, but don't with some of the older things, we do a switch on the filename
// here. We are trying to not break existing user applications that have unrecognized
// options.
if test.Valid && !(test.Warning && warningsError) {
require.NoError(t, err)
} else {
require.Error(t, err)
return
}
require.Equal(t, test.URI, cs.Original)
if test.Hosts != nil {
require.Equal(t, hostsToStrings(test.Hosts), cs.Hosts)
}
if test.Auth != nil {
require.Equal(t, test.Auth.Username, cs.Username)
if test.Auth.Password == nil {
require.False(t, cs.PasswordSet)
} else {
require.True(t, cs.PasswordSet)
require.Equal(t, *test.Auth.Password, cs.Password)
}
if test.Auth.DB != cs.Database {
require.Equal(t, test.Auth.DB, cs.AuthSource)
} else {
require.Equal(t, test.Auth.DB, cs.Database)
}
}
// Check that all options are present.
testhelpers.VerifyConnStringOptions(t, cs, test.Options)
// Check that non-present options are unset. This will be redundant with the above checks
// for options that are present.
var ok bool
_, ok = test.Options["maxpoolsize"]
require.Equal(t, ok, cs.MaxPoolSizeSet)
})
}
// Test case for all connection string spec tests.
func TestConnStringSpec(t *testing.T) {
for _, file := range testhelpers.FindJSONFilesInDir(t, connstringTestsDir) {
runTestsInFile(t, connstringTestsDir, file, false)
}
}
func TestURIOptionsSpec(t *testing.T) {
for _, file := range testhelpers.FindJSONFilesInDir(t, urioptionsTestDir) {
runTestsInFile(t, urioptionsTestDir, file, true)
}
}
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