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47 lines
1.2 KiB
47 lines
1.2 KiB
package events
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import (
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"context"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestEventCache_Flush(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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evsw := NewEventSwitch()
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err := evsw.Start(ctx)
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require.NoError(t, err)
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err = evsw.AddListenerForEvent("nothingness", "", func(_ context.Context, data EventData) error {
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// Check we are not initializing an empty buffer full of zeroed eventInfos in the EventCache
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require.FailNow(t, "We should never receive a message on this switch since none are fired")
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return nil
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})
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require.NoError(t, err)
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evc := NewEventCache(evsw)
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evc.Flush(ctx)
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// Check after reset
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evc.Flush(ctx)
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fail := true
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pass := false
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err = evsw.AddListenerForEvent("somethingness", "something", func(_ context.Context, data EventData) error {
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if fail {
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require.FailNow(t, "Shouldn't see a message until flushed")
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}
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pass = true
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return nil
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})
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require.NoError(t, err)
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evc.FireEvent("something", struct{ int }{1})
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evc.FireEvent("something", struct{ int }{2})
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evc.FireEvent("something", struct{ int }{3})
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fail = false
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evc.Flush(ctx)
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assert.True(t, pass)
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}
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