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package drivers
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/lxc/incus/v6/internal/server/instance/drivers/cfg"
)
// Test roundDownToBlockSize.
func TestRoundDownToBlockSize(t *testing.T) {
const blockSize = 128 * 1024 * 1024
value := roundDownToBlockSize(1073741824, blockSize)
assert.Equal(t, int64(1073741824), value)
value = roundDownToBlockSize(1000000000, blockSize)
assert.Equal(t, int64(805306368), value)
}
// Test memoryConfigSectionToMap.
func TestMemoryConfigSectionToMap(t *testing.T) {
result := memoryConfigSectionToMap(
&cfg.Section{
Name: "object \"mem0\"",
Entries: map[string]string{
"size": "1024M",
"host-nodes.0": "0",
"host-nodes.1": "1",
"policy": "bind",
"share": "on",
},
},
)
expected := map[string]any{
"size": int64(1073741824),
"host-nodes": []int{0, 1},
"policy": "bind",
"share": true,
}
assert.Equal(t, expected["size"], result["size"])
assert.ElementsMatch(t, expected["host-nodes"], result["host-nodes"])
assert.Equal(t, expected["policy"], result["policy"])
assert.Equal(t, expected["share"], result["share"])
}
// Test extractTraiingNumber.
func TestExtractTrailingNumber(t *testing.T) {
value, _ := extractTrailingNumber("mem0", "mem")
assert.Equal(t, 0, value)
value, _ = extractTrailingNumber("mem34", "mem")
assert.Equal(t, 34, value)
value, _ = extractTrailingNumber("dimm1", "dimm")
assert.Equal(t, 1, value)
expectedErr := "Prefix mem not found in dimm1"
_, err := extractTrailingNumber("dimm1", "mem")
if err.Error() != expectedErr {
t.Errorf("unexpected error message: got %q, want %q", err.Error(), expectedErr)
}
}
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