81 lines
1.4 KiB
Go
81 lines
1.4 KiB
Go
package pipe
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import (
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"runtime"
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"testing"
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"time"
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"github.com/benbjohnson/clock"
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"github.com/evcc-io/evcc/util"
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)
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func TestDeduplicator(t *testing.T) {
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l := NewDeduplicator(time.Hour, "filtered").(*Deduplicator)
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clck := clock.NewMock()
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l.clock = clck
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in := make(chan util.Param)
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out := l.Pipe(in)
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p := util.Param{Key: "k", Val: 1}
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in <- p
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if o := <-out; o.Key != p.Key || o.Val != p.Val {
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t.Errorf("unexpected param %v", o)
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}
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p = util.Param{Key: "k", Val: 2}
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in <- p
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if o := <-out; o.Key != p.Key || o.Val != p.Val {
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t.Errorf("unexpected param %v", o)
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}
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// allow nils
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p = util.Param{Key: "k", Val: nil}
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in <- p
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if o := <-out; o.Key != p.Key || o.Val != p.Val {
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t.Errorf("unexpected param %v", o)
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}
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p = util.Param{Key: "filtered", Val: 3}
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in <- p
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if o := <-out; o.Key != p.Key || o.Val != p.Val {
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t.Errorf("unexpected param %v", o)
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}
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p = util.Param{Key: "filtered", Val: 4}
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in <- p
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if o := <-out; o.Key != p.Key || o.Val != p.Val {
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t.Errorf("unexpected param %v", o)
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}
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// resend
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in <- p
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runtime.Gosched()
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select {
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case o := <-out:
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t.Errorf("unexpected param %v", o)
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case <-time.After(time.Millisecond):
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}
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// resend later
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clck.Add(2 * l.interval)
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in <- p
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if o := <-out; o.Key != p.Key || o.Val != p.Val {
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t.Errorf("unexpected param %v", o)
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}
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// allow nils
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p = util.Param{Key: "filtered", Val: nil}
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in <- p
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if o := <-out; o.Key != p.Key || o.Val != p.Val {
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t.Errorf("unexpected param %v", o)
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}
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}
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