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69 lines
1.6 KiB
69 lines
1.6 KiB
package xhandler_test
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import (
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"log"
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"net/http"
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"time"
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"context"
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"git.freecumextremist.com/themusicgod1/xhandler"
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)
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type key int
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const contextKey key = 0
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func newContext(ctx context.Context, value string) context.Context {
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return context.WithValue(ctx, contextKey, value)
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}
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func fromContext(ctx context.Context) (string, bool) {
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value, ok := ctx.Value(contextKey).(string)
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return value, ok
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}
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func ExampleHandle() {
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var xh xhandler.HandlerC
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xh = xhandler.HandlerFuncC(func(ctx context.Context, w http.ResponseWriter, r *http.Request) {
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value, _ := fromContext(ctx)
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w.Write([]byte("Hello " + value))
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})
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xh = (func(next xhandler.HandlerC) xhandler.HandlerC {
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return xhandler.HandlerFuncC(func(ctx context.Context, w http.ResponseWriter, r *http.Request) {
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ctx = newContext(ctx, "World")
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next.ServeHTTPC(ctx, w, r)
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})
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})(xh)
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ctx := context.Background()
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// Bridge context aware handlers with http.Handler using xhandler.Handle()
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http.Handle("/", xhandler.New(ctx, xh))
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if err := http.ListenAndServe(":8080", nil); err != nil {
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log.Fatal(err)
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}
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}
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func ExampleHandleTimeout() {
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var xh xhandler.HandlerC
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xh = xhandler.HandlerFuncC(func(ctx context.Context, w http.ResponseWriter, r *http.Request) {
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w.Write([]byte("Hello World"))
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if _, ok := ctx.Deadline(); ok {
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w.Write([]byte(" with deadline"))
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}
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})
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// This handler adds a timeout to the handler
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xh = xhandler.TimeoutHandler(5 * time.Second)(xh)
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ctx := context.Background()
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// Bridge context aware handlers with http.Handler using xhandler.Handle()
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http.Handle("/", xhandler.New(ctx, xh))
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if err := http.ListenAndServe(":8080", nil); err != nil {
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log.Fatal(err)
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}
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}
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