podman

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package specgen
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import (
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	"testing"
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	"github.com/stretchr/testify/assert"
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)
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func TestNewSpecGeneratorWithRootfs(t *testing.T) {
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	idmap := "idmap"
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	idmapMappings := "idmap=uids=1-1-2000"
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	localTrue := true
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	tests := []struct {
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		rootfs                string
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		expectedRootfsOverlay *bool
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		expectedRootfs        string
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		expectedMapping       *string
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	}{
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		{"/root/a:b:O", &localTrue, "/root/a:b", nil},
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		{"/root/a:b/c:O", &localTrue, "/root/a:b/c", nil},
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		{"/root/a:b/c:", nil, "/root/a:b/c:", nil},
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		{"/root/a/b", nil, "/root/a/b", nil},
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		{"/root/a:b/c:idmap", nil, "/root/a:b/c", &idmap},
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		{"/root/a:b/c:idmap=uids=1-1-2000", nil, "/root/a:b/c", &idmapMappings},
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	}
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	for _, args := range tests {
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		val := NewSpecGenerator(args.rootfs, true)
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		assert.Equal(t, val.RootfsOverlay, args.expectedRootfsOverlay)
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		assert.Equal(t, val.Rootfs, args.expectedRootfs)
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		if args.expectedMapping == nil {
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			assert.Nil(t, val.RootfsMapping)
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		} else {
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			assert.NotNil(t, val.RootfsMapping)
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			assert.Equal(t, *val.RootfsMapping, *args.expectedMapping)
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		}
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	}
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}
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