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96 lines
2.9 KiB
96 lines
2.9 KiB
5 years ago
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// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in https://golang.org/LICENSE
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package csv
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import (
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"bytes"
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"errors"
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"testing"
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)
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var writeTests = []struct {
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Input [][]string
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Output string
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Error error
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UseCRLF bool
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Comma rune
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}{
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{Input: [][]string{{"abc"}}, Output: "abc\n"},
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{Input: [][]string{{"abc"}}, Output: "abc\r\n", UseCRLF: true},
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{Input: [][]string{{`"abc"`}}, Output: `"""abc"""` + "\n"},
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{Input: [][]string{{`a"b`}}, Output: `"a""b"` + "\n"},
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{Input: [][]string{{`"a"b"`}}, Output: `"""a""b"""` + "\n"},
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{Input: [][]string{{" abc"}}, Output: `" abc"` + "\n"},
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{Input: [][]string{{"abc,def"}}, Output: `"abc,def"` + "\n"},
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{Input: [][]string{{"abc", "def"}}, Output: "abc,def\n"},
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{Input: [][]string{{"abc"}, {"def"}}, Output: "abc\ndef\n"},
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{Input: [][]string{{"abc\ndef"}}, Output: "\"abc\ndef\"\n"},
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{Input: [][]string{{"abc\ndef"}}, Output: "\"abc\r\ndef\"\r\n", UseCRLF: true},
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{Input: [][]string{{"abc\rdef"}}, Output: "\"abcdef\"\r\n", UseCRLF: true},
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{Input: [][]string{{"abc\rdef"}}, Output: "\"abc\rdef\"\n", UseCRLF: false},
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{Input: [][]string{{""}}, Output: "\n"},
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{Input: [][]string{{"", ""}}, Output: ",\n"},
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{Input: [][]string{{"", "", ""}}, Output: ",,\n"},
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{Input: [][]string{{"", "", "a"}}, Output: ",,a\n"},
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{Input: [][]string{{"", "a", ""}}, Output: ",a,\n"},
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{Input: [][]string{{"", "a", "a"}}, Output: ",a,a\n"},
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{Input: [][]string{{"a", "", ""}}, Output: "a,,\n"},
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{Input: [][]string{{"a", "", "a"}}, Output: "a,,a\n"},
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{Input: [][]string{{"a", "a", ""}}, Output: "a,a,\n"},
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{Input: [][]string{{"a", "a", "a"}}, Output: "a,a,a\n"},
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{Input: [][]string{{`\.`}}, Output: "\"\\.\"\n"},
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{Input: [][]string{{"x09\x41\xb4\x1c", "aktau"}}, Output: "x09\x41\xb4\x1c,aktau\n"},
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{Input: [][]string{{",x09\x41\xb4\x1c", "aktau"}}, Output: "\",x09\x41\xb4\x1c\",aktau\n"},
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{Input: [][]string{{"a", "a", ""}}, Output: "a|a|\n", Comma: '|'},
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{Input: [][]string{{",", ",", ""}}, Output: ",|,|\n", Comma: '|'},
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{Input: [][]string{{"foo"}}, Comma: '"', Error: errInvalidDelim},
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}
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func TestWrite(t *testing.T) {
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for n, tt := range writeTests {
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b := &bytes.Buffer{}
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f := NewWriter(b)
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f.UseCRLF = tt.UseCRLF
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if tt.Comma != 0 {
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f.Comma = tt.Comma
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}
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err := f.WriteAll(tt.Input)
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if err != tt.Error {
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t.Errorf("Unexpected error:\ngot %v\nwant %v", err, tt.Error)
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}
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out := b.String()
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if out != tt.Output {
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t.Errorf("#%d: out=%q want %q", n, out, tt.Output)
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}
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}
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}
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type errorWriter struct{}
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func (e errorWriter) Write(b []byte) (int, error) {
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return 0, errors.New("Test")
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}
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func TestError(t *testing.T) {
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b := &bytes.Buffer{}
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f := NewWriter(b)
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f.Write([]string{"abc"})
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f.Flush()
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err := f.Error()
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if err != nil {
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t.Errorf("Unexpected error: %s\n", err)
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}
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f = NewWriter(errorWriter{})
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f.Write([]string{"abc"})
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f.Flush()
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err = f.Error()
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if err == nil {
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t.Error("Error should not be nil")
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}
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}
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