| 1 | //go:build unix |
| 2 | |
| 3 | package hostbox |
| 4 | |
| 5 | import ( |
| 6 | "context" |
| 7 | "errors" |
| 8 | "testing" |
| 9 | |
| 10 | "github.com/carlosframework/platform/internal/genselect" |
| 11 | "github.com/carlosframework/platform/internal/hostclaim" |
| 12 | ) |
| 13 | |
| 14 | func TestWriterRefusesMissingEvidenceAndStaleCAS(t *testing.T) { |
| 15 | _, store, obs := workFixture(t) |
| 16 | ctx := context.Background() |
| 17 | in := hostclaim.Admission{Box: "box", Mode: "cold", NewGeneration: "next", Region: "ie", PredecessorRegion: "ie"} |
| 18 | writer := Writer{Claims: store, Box: "box", Region: "ie"} |
| 19 | if _, err := writer.Admit(ctx, obs, in, nil); !errors.Is(err, ErrUnsupported) { |
| 20 | t.Fatal(err) |
| 21 | } |
| 22 | checks := 0 |
| 23 | writer.AdmissionEvidence = func(context.Context, hostclaim.Observed, hostclaim.Admission, *genselect.Plan) error { |
| 24 | checks++ |
| 25 | return nil |
| 26 | } |
| 27 | admitted, err := writer.Admit(ctx, obs, in, nil) |
| 28 | if err != nil { |
| 29 | t.Fatal(err) |
| 30 | } |
| 31 | if admitted.Claim.Holder.Session <= obs.Claim.Holder.Session || admitted.Claim.Holder.Generation != "next" { |
| 32 | t.Fatal(admitted) |
| 33 | } |
| 34 | if _, err := writer.Admit(ctx, obs, in, nil); err == nil { |
| 35 | t.Fatal("stale observation admitted") |
| 36 | } |
| 37 | if checks != 2 { |
| 38 | t.Fatal(checks) |
| 39 | } |
| 40 | current, err := hostclaim.Read(ctx, store, obs.Host) |
| 41 | if err != nil || current.Claim.Holder.Session != admitted.Claim.Holder.Session { |
| 42 | t.Fatal(current, err) |
| 43 | } |
| 44 | if _, err := writer.Published(ctx, admitted); !errors.Is(err, ErrUnsupported) { |
| 45 | t.Fatal(err) |
| 46 | } |
| 47 | writer.NewID = func() string { return "chore" } |
| 48 | writer.PublicationEvidence = func(context.Context, hostclaim.Observed) error { return ErrChanged } |
| 49 | if _, err := writer.Published(ctx, admitted); !errors.Is(err, ErrChanged) { |
| 50 | t.Fatal(err) |
| 51 | } |
| 52 | prefix, err := GenerationPrefix(*admitted.Claim.Holder) |
| 53 | if err != nil || prefix != "instances/shop.example/g-next/" { |
| 54 | t.Fatal(prefix, err) |
| 55 | } |
| 56 | } |
| 57 | |
amadan