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47f4e165a0
Set version and name of the program. And then call coremain.Run(). The coremain split makes CoreDNS embeddable. Also see #189 for an old PR.
45 lines
1.1 KiB
Go
45 lines
1.1 KiB
Go
package coremain
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import (
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"runtime"
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"testing"
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)
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func TestSetCPU(t *testing.T) {
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currentCPU := runtime.GOMAXPROCS(-1)
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maxCPU := runtime.NumCPU()
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halfCPU := int(0.5 * float32(maxCPU))
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if halfCPU < 1 {
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halfCPU = 1
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}
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for i, test := range []struct {
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input string
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output int
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shouldErr bool
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}{
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{"1", 1, false},
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{"-1", currentCPU, true},
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{"0", currentCPU, true},
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{"100%", maxCPU, false},
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{"50%", halfCPU, false},
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{"110%", currentCPU, true},
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{"-10%", currentCPU, true},
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{"invalid input", currentCPU, true},
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{"invalid input%", currentCPU, true},
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{"9999", maxCPU, false}, // over available CPU
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} {
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err := setCPU(test.input)
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if test.shouldErr && err == nil {
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t.Errorf("Test %d: Expected error, but there wasn't any", i)
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}
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if !test.shouldErr && err != nil {
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t.Errorf("Test %d: Expected no error, but there was one: %v", i, err)
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}
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if actual, expected := runtime.GOMAXPROCS(-1), test.output; actual != expected {
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t.Errorf("Test %d: GOMAXPROCS was %d but expected %d", i, actual, expected)
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}
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// teardown
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runtime.GOMAXPROCS(currentCPU)
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}
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}
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