d1a5ec7839
The parameter is an additional marker that the test helper must only be used for tests.
68 lines
1.2 KiB
Go
68 lines
1.2 KiB
Go
package progress_test
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import (
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"testing"
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"time"
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"github.com/restic/restic/internal/test"
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"github.com/restic/restic/internal/ui/progress"
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)
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func TestCounter(t *testing.T) {
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const N = 100
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const startTotal = uint64(12345)
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var (
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finalSeen = false
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increasing = true
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last uint64
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lastTotal = startTotal
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ncalls int
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nmaxChange int
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)
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report := func(value uint64, total uint64, d time.Duration, final bool) {
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if final {
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finalSeen = true
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}
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if value < last {
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increasing = false
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}
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last = value
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if total != lastTotal {
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nmaxChange++
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}
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lastTotal = total
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ncalls++
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}
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c := progress.NewCounter(10*time.Millisecond, startTotal, report)
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done := make(chan struct{})
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go func() {
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defer close(done)
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for i := 0; i < N; i++ {
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time.Sleep(time.Millisecond)
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c.Add(1)
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}
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c.SetMax(42)
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}()
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<-done
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c.Done()
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test.Assert(t, finalSeen, "final call did not happen")
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test.Assert(t, increasing, "values not increasing")
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test.Equals(t, uint64(N), last)
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test.Equals(t, uint64(42), lastTotal)
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test.Equals(t, int(1), nmaxChange)
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t.Log("number of calls:", ncalls)
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}
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func TestCounterNil(_ *testing.T) {
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// Shouldn't panic.
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var c *progress.Counter
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c.Add(1)
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c.SetMax(42)
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c.Done()
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}
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