func main() {
flag.Parse()
if flag.NArg() != 0 {
flag.Usage()
os.Exit(1)
}
var comic *xkcd.Comic
var err error
if *number == 0 {
comic, err = xkcd.GetCurrent()
} else {
comic, err = xkcd.Get(*number)
}
if err != nil {
log.Fatal(err)
}
resp, err := http.Get(comic.Img)
if err != nil {
log.Fatal(err)
}
defer resp.Body.Close()
_, err = io.Copy(os.Stdout, resp.Body)
if err != nil {
log.Fatal(err)
}
}
func TestGet(t *testing.T) {
comic, err := xkcd.Get(221)
if err != nil {
t.Fatal(err)
}
expected := &xkcd.Comic{
Num: 221,
Title: "Random Number",
SafeTitle: "Random Number",
Img: "http://imgs.xkcd.com/comics/random_number.png",
Alt: "RFC 1149.5 specifies 4 as the standard IEEE-vetted random number.",
Year: "2007",
Month: "2",
Day: "9",
News: "",
Link: "",
Transcript: `int getRandomNumber()
{
return 4;
chosen by fair dice roll.
guarenteed to be random.
}
{{title text: RFC 1149.5 specifies 4 as the standard IEEE-vetted random number.}}`,
}
t.Log("comic: ", comic)
t.Log("expected: ", expected)
if *comic != *expected {
t.Fail()
}
}
func ExampleGet() {
comic, err := xkcd.Get(140)
if err != nil {
log.Fatal(err)
}
fmt.Printf("Number: %v\n", comic.Num)
fmt.Printf("Image: %v\n", comic.Img)
fmt.Printf("Alt Text: %v\n", comic.Alt)
// Output:
// Number: 140
// Image: http://imgs.xkcd.com/comics/delicious.png
// Alt Text: I'm currently in the I Have Cheese phase of this cycle.
}
func TestGetCurrent(t *testing.T) {
comic1, err := xkcd.GetCurrent()
if err != nil {
t.Fatal(err)
}
comic2, err := xkcd.Get(comic1.Num)
if err != nil {
t.Fatal(err)
}
t.Log("comic1: ", comic1)
t.Log("comic2: ", comic2)
if *comic1 != *comic2 {
t.Fatal("comic1 and comic2 don't match")
}
}
func main() {
flag.Parse()
if flag.NArg() != 0 {
flag.Usage()
os.Exit(1)
}
var comic *xkcd.Comic
var err error
if *number == 0 {
comic, err = xkcd.GetCurrent()
} else {
comic, err = xkcd.Get(*number)
}
if err != nil {
log.Fatal(err)
}
printInfo(comic)
}
func Test404(t *testing.T) {
_, err := xkcd.Get(404)
if err.Error() != "404 Not Found" {
t.Fatal(err)
}
}