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// +build go1.16
package toml_test
import (
"bytes"
"encoding/json"
"fmt"
"path/filepath"
"strings"
"testing"
"github.com/BurntSushi/toml"
"github.com/BurntSushi/toml/internal/tag"
tomltest "github.com/BurntSushi/toml/internal/toml-test"
)
// Test if the error message matches what we want for invalid tests. Every slice
// entry is tested with strings.Contains.
//
// Filepaths are glob'd
var errorTests = map[string][]string{
"encoding-bad-utf8*": {"invalid UTF-8 byte"},
"encoding-utf16*": {"files cannot contain NULL bytes; probably using UTF-16"},
"string-multiline-escape-space": {`invalid escape: '\ '`},
}
// Test metadata; all keys listed as "keyname: type".
var metaTests = map[string]string{
// TODO: this probably should have albums as a Hash as well?
"table-array-implicit": `
albums.songs: ArrayHash
albums.songs.name: String
`,
}
func TestToml(t *testing.T) {
for k := range errorTests { // Make sure patterns are valid.
_, err := filepath.Match(k, "")
if err != nil {
t.Fatal(err)
}
}
run := func(t *testing.T, enc bool) {
r := tomltest.Runner{
Files: tomltest.EmbeddedTests(),
Encoder: enc,
Parser: parser{},
SkipTests: []string{
// This one is annoying to fix, and such an obscure edge case
// it's okay to leave it like this for now.
"invalid/encoding/bad-utf8-at-end",
},
}
tests, err := r.Run()
if err != nil {
t.Fatal(err)
}
for _, test := range tests.Tests {
t.Run(test.Path, func(t *testing.T) {
if test.Failed() {
t.Fatalf("\nError:\n%s\n\nInput:\n%s\nOutput:\n%s\nWant:\n%s\n",
test.Failure, test.Input, test.Output, test.Want)
return
}
// Test metadata
if !enc && test.Type() == tomltest.TypeValid {
testMeta(t, test)
}
// Test error message.
if test.Type() == tomltest.TypeInvalid {
testError(t, test)
}
})
}
t.Logf("passed: %d; failed: %d; skipped: %d", tests.Passed, tests.Failed, tests.Skipped)
}
t.Run("decode", func(t *testing.T) { run(t, false) })
t.Run("encode", func(t *testing.T) { run(t, true) })
}
func testMeta(t *testing.T, test tomltest.Test) {
want, ok := metaTests[filepath.Base(test.Path)]
if !ok {
return
}
var s interface{}
meta, err := toml.Decode(test.Input, &s)
if err != nil {
t.Fatal(err)
}
var b strings.Builder
for _, k := range meta.Keys() {
ks := k.String()
b.WriteString(ks)
b.WriteString(": ")
b.WriteString(meta.Type(ks))
b.WriteByte('\n')
}
have := b.String()
have = have[:len(have)-1] // Trailing \n
want = strings.ReplaceAll(strings.TrimSpace(want), "\t", "")
if have != want {
t.Errorf("MetaData wrong\nhave:\n%s\nwant:\n%s", have, want)
}
}
func testError(t *testing.T, test tomltest.Test) {
path := strings.TrimPrefix(test.Path, "invalid/")
errs, ok := errorTests[path]
if !ok {
for k := range errorTests {
ok, _ = filepath.Match(k, path)
if ok {
errs = errorTests[k]
break
}
}
}
if !ok {
return
}
for _, e := range errs {
if !strings.Contains(test.Output, e) {
t.Errorf("\nwrong error message\nhave: %s\nwant: %s", test.Output, e)
}
}
}
type parser struct{}
func (p parser) Encode(input string) (output string, outputIsError bool, retErr error) {
defer func() {
if r := recover(); r != nil {
switch rr := r.(type) {
case error:
retErr = rr
default:
retErr = fmt.Errorf("%s", rr)
}
}
}()
var tmp interface{}
err := json.Unmarshal([]byte(input), &tmp)
if err != nil {
return "", false, err
}
rm, err := tag.Remove(tmp)
if err != nil {
return err.Error(), true, retErr
}
buf := new(bytes.Buffer)
err = toml.NewEncoder(buf).Encode(rm)
if err != nil {
return err.Error(), true, retErr
}
return buf.String(), false, retErr
}
func (p parser) Decode(input string) (output string, outputIsError bool, retErr error) {
defer func() {
if r := recover(); r != nil {
switch rr := r.(type) {
case error:
retErr = rr
default:
retErr = fmt.Errorf("%s", rr)
}
}
}()
var d interface{}
if _, err := toml.Decode(input, &d); err != nil {
return err.Error(), true, retErr
}
j, err := json.MarshalIndent(tag.Add("", d), "", " ")
if err != nil {
return "", false, err
}
return string(j), false, retErr
}
|
