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go/txtar/archive_test.go
Arda Güçlü 17847a8424 txtar/archive: add unit test function for Format
Unit test function TestFormat is added for Format in archive package. Moreover, Test method is renamed to TestParse, because it only tests Parse function.

Change-Id: Ibd94fa7ada456ffcbcf1d02eb3a6c3beba5ba84d
Reviewed-on: https://go-review.googlesource.com/c/tools/+/208177
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-11-20 20:49:00 +00:00

108 lines
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()
}