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34 lines
801 B
Go
34 lines
801 B
Go
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package kernel
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import (
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"testing"
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"github.com/sirupsen/logrus"
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"github.com/stretchr/testify/assert"
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_ "github.com/docker/libnetwork/testutils"
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)
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func TestReadWriteKnobs(t *testing.T) {
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for _, k := range []string{
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"net.ipv4.neigh.default.gc_thresh1",
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"net.ipv4.neigh.default.gc_thresh2",
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"net.ipv4.neigh.default.gc_thresh3",
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} {
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// Check if the test is able to read the value
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v, err := readSystemProperty(k)
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if err != nil {
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logrus.WithError(err).Warnf("Path %v not readable", k)
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// the path is not there, skip this key
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continue
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}
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// Test the write
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assert.NoError(t, writeSystemProperty(k, "10000"))
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newV, err := readSystemProperty(k)
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assert.NoError(t, err)
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assert.Equal(t, newV, "10000")
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// Restore value
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assert.NoError(t, writeSystemProperty(k, v))
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}
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}
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