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sfcache_test.go
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sfcache_test.go
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package sfcache
import (
"context"
"errors"
"testing"
"github.com/stretchr/testify/require"
)
func Test_sfcache(t *testing.T) {
t.Parallel()
ctx := context.Background()
key := "testKey"
value := 1
group := New[string, int](1, nil, 0)
// First call
val, _, err := group.Do(ctx, key, true, func(_ context.Context) (int, error) {
return value, nil
})
require.NoError(t, err)
require.Equal(t, value, val)
// call using cache
var called bool
val, _, err = group.Do(ctx, key, true, func(_ context.Context) (int, error) {
called = true
return value, nil
})
require.NoError(t, err)
require.Equal(t, value, val)
require.False(t, called)
// call without using cache
val, _, err = group.Do(ctx, key, false, func(_ context.Context) (int, error) {
called = true
return value, nil
})
require.NoError(t, err)
require.Equal(t, value, val)
require.True(t, called)
// clear cache
group.Clear()
called = false
val, _, err = group.Do(ctx, key, true, func(_ context.Context) (int, error) {
called = true
return value, nil
})
require.NoError(t, err)
require.Equal(t, value, val)
require.True(t, called)
// error
errTest := errors.New("error")
val, _, err = group.Do(ctx, key, false, func(_ context.Context) (int, error) {
return 0, errTest
})
require.Equal(t, errTest, err)
require.Equal(t, 0, val)
}