53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
package grab
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import (
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"context"
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"crypto/sha256"
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"encoding/hex"
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"fmt"
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"time"
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)
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func ExampleRequest_WithContext() {
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// create context with a 100ms timeout
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ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
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defer cancel()
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// create download request with context
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req, err := NewRequest("", "http://example.com/example.zip")
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if err != nil {
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panic(err)
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}
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req = req.WithContext(ctx)
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// send download request
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resp := DefaultClient.Do(req)
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if err := resp.Err(); err != nil {
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fmt.Println("error: request cancelled")
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}
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// Output:
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// error: request cancelled
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}
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func ExampleRequest_SetChecksum() {
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// create download request
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req, err := NewRequest("", "http://example.com/example.zip")
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if err != nil {
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panic(err)
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}
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// set request checksum
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sum, err := hex.DecodeString("33daf4c03f86120fdfdc66bddf6bfff4661c7ca11c5da473e537f4d69b470e57")
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if err != nil {
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panic(err)
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}
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req.SetChecksum(sha256.New(), sum, true)
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// download and validate file
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resp := DefaultClient.Do(req)
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if err := resp.Err(); err != nil {
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panic(err)
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}
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}
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