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| // Copyright 2011 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 csv
|
| import (
| "bytes"
| "errors"
| "testing"
| )
|
| var writeTests = []struct {
| Input [][]string
| Output string
| Error error
| UseCRLF bool
| Comma rune
| }{
| {Input: [][]string{{"abc"}}, Output: "abc\n"},
| {Input: [][]string{{"abc"}}, Output: "abc\r\n", UseCRLF: true},
| {Input: [][]string{{`"abc"`}}, Output: `"""abc"""` + "\n"},
| {Input: [][]string{{`a"b`}}, Output: `"a""b"` + "\n"},
| {Input: [][]string{{`"a"b"`}}, Output: `"""a""b"""` + "\n"},
| {Input: [][]string{{" abc"}}, Output: `" abc"` + "\n"},
| {Input: [][]string{{"abc,def"}}, Output: `"abc,def"` + "\n"},
| {Input: [][]string{{"abc", "def"}}, Output: "abc,def\n"},
| {Input: [][]string{{"abc"}, {"def"}}, Output: "abc\ndef\n"},
| {Input: [][]string{{"abc\ndef"}}, Output: "\"abc\ndef\"\n"},
| {Input: [][]string{{"abc\ndef"}}, Output: "\"abc\r\ndef\"\r\n", UseCRLF: true},
| {Input: [][]string{{"abc\rdef"}}, Output: "\"abcdef\"\r\n", UseCRLF: true},
| {Input: [][]string{{"abc\rdef"}}, Output: "\"abc\rdef\"\n", UseCRLF: false},
| {Input: [][]string{{""}}, Output: "\n"},
| {Input: [][]string{{"", ""}}, Output: ",\n"},
| {Input: [][]string{{"", "", ""}}, Output: ",,\n"},
| {Input: [][]string{{"", "", "a"}}, Output: ",,a\n"},
| {Input: [][]string{{"", "a", ""}}, Output: ",a,\n"},
| {Input: [][]string{{"", "a", "a"}}, Output: ",a,a\n"},
| {Input: [][]string{{"a", "", ""}}, Output: "a,,\n"},
| {Input: [][]string{{"a", "", "a"}}, Output: "a,,a\n"},
| {Input: [][]string{{"a", "a", ""}}, Output: "a,a,\n"},
| {Input: [][]string{{"a", "a", "a"}}, Output: "a,a,a\n"},
| {Input: [][]string{{`\.`}}, Output: "\"\\.\"\n"},
| {Input: [][]string{{"x09\x41\xb4\x1c", "aktau"}}, Output: "x09\x41\xb4\x1c,aktau\n"},
| {Input: [][]string{{",x09\x41\xb4\x1c", "aktau"}}, Output: "\",x09\x41\xb4\x1c\",aktau\n"},
| {Input: [][]string{{"a", "a", ""}}, Output: "a|a|\n", Comma: '|'},
| {Input: [][]string{{",", ",", ""}}, Output: ",|,|\n", Comma: '|'},
| {Input: [][]string{{"foo"}}, Comma: '"', Error: errInvalidDelim},
| }
|
| func TestWrite(t *testing.T) {
| for n, tt := range writeTests {
| b := &bytes.Buffer{}
| f := NewWriter(b)
| f.UseCRLF = tt.UseCRLF
| if tt.Comma != 0 {
| f.Comma = tt.Comma
| }
| err := f.WriteAll(tt.Input)
| if err != tt.Error {
| t.Errorf("Unexpected error:\ngot %v\nwant %v", err, tt.Error)
| }
| out := b.String()
| if out != tt.Output {
| t.Errorf("#%d: out=%q want %q", n, out, tt.Output)
| }
| }
| }
|
| type errorWriter struct{}
|
| func (e errorWriter) Write(b []byte) (int, error) {
| return 0, errors.New("Test")
| }
|
| func TestError(t *testing.T) {
| b := &bytes.Buffer{}
| f := NewWriter(b)
| f.Write([]string{"abc"})
| f.Flush()
| err := f.Error()
|
| if err != nil {
| t.Errorf("Unexpected error: %s\n", err)
| }
|
| f = NewWriter(errorWriter{})
| f.Write([]string{"abc"})
| f.Flush()
| err = f.Error()
|
| if err == nil {
| t.Error("Error should not be nil")
| }
| }
|
|
