tools/txtar/archive_test.go

108 строки
2.2 KiB
Go

// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package txtar
import (
"bytes"
"fmt"
"reflect"
"testing"
)
func TestParse(t *testing.T) {
var tests = []struct {
name string
text string
parsed *Archive
}{
{
name: "basic",
text: `comment1
comment2
-- file1 --
File 1 text.
-- foo ---
More file 1 text.
-- file 2 --
File 2 text.
-- empty --
-- noNL --
hello world`,
parsed: &Archive{
Comment: []byte("comment1\ncomment2\n"),
Files: []File{
{"file1", []byte("File 1 text.\n-- foo ---\nMore file 1 text.\n")},
{"file 2", []byte("File 2 text.\n")},
{"empty", []byte{}},
{"noNL", []byte("hello world\n")},
},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
a := Parse([]byte(tt.text))
if !reflect.DeepEqual(a, tt.parsed) {
t.Fatalf("Parse: wrong output:\nhave:\n%s\nwant:\n%s", shortArchive(a), shortArchive(tt.parsed))
}
text := Format(a)
a = Parse(text)
if !reflect.DeepEqual(a, tt.parsed) {
t.Fatalf("Parse after Format: wrong output:\nhave:\n%s\nwant:\n%s", shortArchive(a), shortArchive(tt.parsed))
}
})
}
}
func TestFormat(t *testing.T) {
var tests = []struct {
name string
input *Archive
wanted string
}{
{
name: "basic",
input: &Archive{
Comment: []byte("comment1\ncomment2\n"),
Files: []File{
{"file1", []byte("File 1 text.\n-- foo ---\nMore file 1 text.\n")},
{"file 2", []byte("File 2 text.\n")},
{"empty", []byte{}},
{"noNL", []byte("hello world\n")},
},
},
wanted: `comment1
comment2
-- file1 --
File 1 text.
-- foo ---
More file 1 text.
-- file 2 --
File 2 text.
-- empty --
-- noNL --
hello world
`,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result := Format(tt.input)
if !reflect.DeepEqual(string(result), tt.wanted) {
t.Errorf("Wrong output. \nGot:\n%s\nWant:\n%s\n", string(result), tt.wanted)
}
})
}
}
func shortArchive(a *Archive) string {
var buf bytes.Buffer
fmt.Fprintf(&buf, "comment: %q\n", a.Comment)
for _, f := range a.Files {
fmt.Fprintf(&buf, "file %q: %q\n", f.Name, f.Data)
}
return buf.String()
}