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package container
import "testing"
func TestMountOverlayOp(t *testing.T) {
checkOpsValid(t, []opValidTestCase{
{"nil", (*MountOverlayOp)(nil), false},
{"zero", new(MountOverlayOp), false},
{"nil lower", &MountOverlayOp{Target: MustAbs("/"), Lower: []*Absolute{nil}}, false},
{"ro", &MountOverlayOp{Target: MustAbs("/"), Lower: []*Absolute{MustAbs("/")}}, true},
{"ro work", &MountOverlayOp{Target: MustAbs("/"), Work: MustAbs("/tmp/")}, false},
{"rw", &MountOverlayOp{Target: MustAbs("/"), Lower: []*Absolute{MustAbs("/")}, Upper: MustAbs("/"), Work: MustAbs("/")}, true},
})
checkOpsBuilder(t, []opsBuilderTestCase{
{"full", new(Ops).Overlay(
MustAbs("/nix/store"),
MustAbs("/mnt-root/nix/.rw-store/upper"),
MustAbs("/mnt-root/nix/.rw-store/work"),
MustAbs("/mnt-root/nix/.ro-store"),
), Ops{
&MountOverlayOp{
Target: MustAbs("/nix/store"),
Lower: []*Absolute{MustAbs("/mnt-root/nix/.ro-store")},
Upper: MustAbs("/mnt-root/nix/.rw-store/upper"),
Work: MustAbs("/mnt-root/nix/.rw-store/work"),
},
}},
{"ephemeral", new(Ops).OverlayEphemeral(MustAbs("/nix/store"), MustAbs("/mnt-root/nix/.ro-store")), Ops{
&MountOverlayOp{
Target: MustAbs("/nix/store"),
Lower: []*Absolute{MustAbs("/mnt-root/nix/.ro-store")},
Upper: MustAbs("/"),
},
}},
{"readonly", new(Ops).OverlayReadonly(MustAbs("/nix/store"), MustAbs("/mnt-root/nix/.ro-store")), Ops{
&MountOverlayOp{
Target: MustAbs("/nix/store"),
Lower: []*Absolute{MustAbs("/mnt-root/nix/.ro-store")},
},
}},
})
checkOpIs(t, []opIsTestCase{
{"zero", new(MountOverlayOp), new(MountOverlayOp), false},
{"differs target", &MountOverlayOp{
Target: MustAbs("/nix/store/differs"),
Lower: []*Absolute{MustAbs("/mnt-root/nix/.ro-store")},
Upper: MustAbs("/mnt-root/nix/.rw-store/upper"),
Work: MustAbs("/mnt-root/nix/.rw-store/work"),
}, &MountOverlayOp{
Target: MustAbs("/nix/store"),
Lower: []*Absolute{MustAbs("/mnt-root/nix/.ro-store")},
Upper: MustAbs("/mnt-root/nix/.rw-store/upper"),
Work: MustAbs("/mnt-root/nix/.rw-store/work")}, false},
{"differs lower", &MountOverlayOp{
Target: MustAbs("/nix/store"),
Lower: []*Absolute{MustAbs("/mnt-root/nix/.ro-store/differs")},
Upper: MustAbs("/mnt-root/nix/.rw-store/upper"),
Work: MustAbs("/mnt-root/nix/.rw-store/work"),
}, &MountOverlayOp{
Target: MustAbs("/nix/store"),
Lower: []*Absolute{MustAbs("/mnt-root/nix/.ro-store")},
Upper: MustAbs("/mnt-root/nix/.rw-store/upper"),
Work: MustAbs("/mnt-root/nix/.rw-store/work")}, false},
{"differs upper", &MountOverlayOp{
Target: MustAbs("/nix/store"),
Lower: []*Absolute{MustAbs("/mnt-root/nix/.ro-store")},
Upper: MustAbs("/mnt-root/nix/.rw-store/upper/differs"),
Work: MustAbs("/mnt-root/nix/.rw-store/work"),
}, &MountOverlayOp{
Target: MustAbs("/nix/store"),
Lower: []*Absolute{MustAbs("/mnt-root/nix/.ro-store")},
Upper: MustAbs("/mnt-root/nix/.rw-store/upper"),
Work: MustAbs("/mnt-root/nix/.rw-store/work")}, false},
{"differs work", &MountOverlayOp{
Target: MustAbs("/nix/store"),
Lower: []*Absolute{MustAbs("/mnt-root/nix/.ro-store")},
Upper: MustAbs("/mnt-root/nix/.rw-store/upper"),
Work: MustAbs("/mnt-root/nix/.rw-store/work/differs"),
}, &MountOverlayOp{
Target: MustAbs("/nix/store"),
Lower: []*Absolute{MustAbs("/mnt-root/nix/.ro-store")},
Upper: MustAbs("/mnt-root/nix/.rw-store/upper"),
Work: MustAbs("/mnt-root/nix/.rw-store/work")}, false},
{"equals ro", &MountOverlayOp{
Target: MustAbs("/nix/store"),
Lower: []*Absolute{MustAbs("/mnt-root/nix/.ro-store")},
}, &MountOverlayOp{
Target: MustAbs("/nix/store"),
Lower: []*Absolute{MustAbs("/mnt-root/nix/.ro-store")}}, true},
{"equals", &MountOverlayOp{
Target: MustAbs("/nix/store"),
Lower: []*Absolute{MustAbs("/mnt-root/nix/.ro-store")},
Upper: MustAbs("/mnt-root/nix/.rw-store/upper"),
Work: MustAbs("/mnt-root/nix/.rw-store/work"),
}, &MountOverlayOp{
Target: MustAbs("/nix/store"),
Lower: []*Absolute{MustAbs("/mnt-root/nix/.ro-store")},
Upper: MustAbs("/mnt-root/nix/.rw-store/upper"),
Work: MustAbs("/mnt-root/nix/.rw-store/work")}, true},
})
checkOpMeta(t, []opMetaTestCase{
{"nix", &MountOverlayOp{
Target: MustAbs("/nix/store"),
Lower: []*Absolute{MustAbs("/mnt-root/nix/.ro-store")},
Upper: MustAbs("/mnt-root/nix/.rw-store/upper"),
Work: MustAbs("/mnt-root/nix/.rw-store/work"),
}, "mounting", `overlay on "/nix/store" with 1 layers`},
})
}
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