act/pkg/common/line_writer_test.go
2020-02-24 12:48:12 -08:00

37 lines
740 B
Go

package common
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestLineWriter(t *testing.T) {
lines := make([]string, 0)
lineHandler := func(s string) bool {
lines = append(lines, s)
return true
}
lineWriter := NewLineWriter(lineHandler)
assert := assert.New(t)
write := func(s string) {
n, err := lineWriter.Write([]byte(s))
assert.NoError(err)
assert.Equal(len(s), n, s)
}
write("hello")
write(" ")
write("world!!\nextra")
write(" line\n and another\nlast")
write(" line\n")
write("no newline here...")
assert.Len(lines, 4)
assert.Equal("hello world!!\n", lines[0])
assert.Equal("extra line\n", lines[1])
assert.Equal(" and another\n", lines[2])
assert.Equal("last line\n", lines[3])
}