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package eventsource
import (
"bufio"
"fmt"
"strings"
"testing"
)
var (
inputFormat = "line1%sline2%sline3%s"
endings = []string{"\n", "\r\n", "\r"}
suffixes = []string{"\n", "\r\n", "\r", ""}
descriptions = []string{"LF", "CRLF", "CR", "EOF"}
expected = []string{"line1", "line2", "line3"}
)
func Testnormaliser(t *testing.T) {
for i, first := range endings {
for j, second := range endings {
for k, suffix := range suffixes {
input := fmt.Sprintf(inputFormat, first, second, suffix)
r := bufio.NewReader(newNormaliser(strings.NewReader(input)))
for _, want := range expected {
line, err := r.ReadString('\n')
if err != nil && suffix != "" {
t.Error("Unexpected error:", err)
}
line = strings.TrimSuffix(line, "\n")
if line != want {
expanded := fmt.Sprintf(inputFormat, descriptions[i], descriptions[j], descriptions[k])
t.Errorf(`Using %s Expected: "%s" Got: "%s"`, expanded, want, line)
t.Log([]byte(line))
}
}
if _, err := r.ReadString('\n'); err == nil {
t.Error("Expected EOF")
}
}
}
}
}
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