/
exmaple_test.go
72 lines (61 loc) · 1.68 KB
/
exmaple_test.go
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package AsciiArt_test
import (
"github.com/roymiloh/AsciiArt"
"os"
"bufio"
"strings"
"io"
"fmt"
)
func ExampleWriter_Write() {
input :=
" _ _ _ _ _ _ _ \n" +
" | _| _||_||_ |_ ||_||_|\n" +
" ||_ _| | _||_| ||_| _|\n\n" +
" _ _ _ _ _ _ _ \n" +
" | _| _||_||_ |_ ||_||_|\n" +
" ||_ _| | _||_| |_| _|\n\n" +
" _ _ _ _ _ _ _ \n" +
" | _| _||_||_ |_ ||_||_|\n" +
" ||_ _| | _||_| ||_| _|\n\n"
r := AsciiArt.NewReader(strings.NewReader(input))
wr := bufio.NewWriter(os.Stdout)
// a channel indicates on finish of writing process
done := make(chan bool, 1)
flushRate := 10
// buffered channel for throttling purposes
chRec := make(chan *AsciiArt.Record, flushRate)
// writing process in his own goroutine
go func() {
recCount := 0
for record := range chRec {
recCount += 1
fmt.Fprintln(wr, record.String())
if recCount % flushRate == 0 {
wr.Flush()
}
}
wr.Flush()
done <- true
}()
// reading and sending values to chRec
for {
record, err := r.Read()
if err != nil {
if err == io.EOF {
close(chRec)
break;
} else {
// terminate the process if anything unexpected happens
// ..or do something else, it actually depends on the error.
panic(err)
}
}
chRec <- record
}
<- done
// Output:
// 123456789
// 123456?89 ILLEGAL
// 723456189
}