1 package eventsource
2
3 import (
4 "bufio"
5 "fmt"
6 "strings"
7 "testing"
8 )
9
10 var (
11 inputFormat = "line1%sline2%sline3%s"
12 endings = []string{"\n", "\r\n", "\r"}
13 suffixes = []string{"\n", "\r\n", "\r", ""}
14 descriptions = []string{"LF", "CRLF", "CR", "EOF"}
15 expected = []string{"line1", "line2", "line3"}
16 )
17
18 func Testnormaliser(t *testing.T) {
19 for i, first := range endings {
20 for j, second := range endings {
21 for k, suffix := range suffixes {
22 input := fmt.Sprintf(inputFormat, first, second, suffix)
23 r := bufio.NewReader(newNormaliser(strings.NewReader(input)))
24 for _, want := range expected {
25 line, err := r.ReadString('\n')
26 if err != nil && suffix != "" {
27 t.Error("Unexpected error:", err)
28 }
29 line = strings.TrimSuffix(line, "\n")
30 if line != want {
31 expanded := fmt.Sprintf(inputFormat, descriptions[i], descriptions[j], descriptions[k])
32 t.Errorf(`Using %s Expected: "%s" Got: "%s"`, expanded, want, line)
33 t.Log([]byte(line))
34 }
35 }
36 if _, err := r.ReadString('\n'); err == nil {
37 t.Error("Expected EOF")
38 }
39 }
40 }
41 }
42 }
43
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