mirror of https://github.com/aldy505/cheapcash.git
75 lines
1.3 KiB
Go
75 lines
1.3 KiB
Go
package cheapcash_test
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import (
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"errors"
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"math/rand"
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"strconv"
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"sync"
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"testing"
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"github.com/aldy505/cheapcash"
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)
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func TestRead(t *testing.T) {
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rand := strconv.Itoa(rand.Int())
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c := cheapcash.Default()
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err := c.Write(rand, []byte("value"))
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if err != nil {
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t.Error("an error was thrown:", err)
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}
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v, err := c.Read(rand)
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if err != nil {
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t.Error("an error was thrown:", err)
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}
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if string(v) != "value" {
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t.Errorf("expected %s, got %v", "value", v)
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}
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}
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func TestRead_Concurrency(t *testing.T) {
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rand := strconv.Itoa(rand.Int())
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c := cheapcash.Default()
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err := c.Write(rand, []byte("value"))
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if err != nil {
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t.Error("an error was thrown:", err)
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}
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var wg sync.WaitGroup
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readFunc := func() {
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r, err := c.Read(rand)
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if err != nil {
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t.Error("an error was thrown:", err)
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}
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if string(r) != "value" {
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t.Error("expected value, got:", string(r))
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}
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wg.Done()
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}
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wg.Add(5)
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go readFunc()
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go readFunc()
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go readFunc()
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go readFunc()
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go readFunc()
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wg.Wait()
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}
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func TestRead_NotExists(t *testing.T) {
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rand := strconv.Itoa(rand.Int())
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c := cheapcash.Default()
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_, err := c.Read(rand)
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if err == nil {
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t.Error("expected an error, got nil")
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}
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if !errors.Is(err, cheapcash.ErrNotExists) {
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t.Errorf("expected %v, got %v", cheapcash.ErrNotExists, err)
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}
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}
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