| 1 | //go:build unix |
| 2 | |
| 3 | package hostbox |
| 4 | |
| 5 | import ( |
| 6 | "context" |
| 7 | "testing" |
| 8 | |
| 9 | "github.com/carlosframework/platform/internal/hostclaim" |
| 10 | "github.com/carlosframework/platform/internal/hostwrite" |
| 11 | "github.com/carlosframework/platform/internal/release" |
| 12 | ) |
| 13 | |
| 14 | // plan9D1Probe turns the adopted fixture into a landing op at probing with the |
| 15 | // fixture box executing, keeping the holder's stamp so the local record stays |
| 16 | // active, then selects the probe's spawn work there. |
| 17 | func plan9D1Probe(t *testing.T, continues func(string, string, string) bool) (hostwrite.Work, release.Store, func(func(*hostclaim.Claim) error)) { |
| 18 | t.Helper() |
| 19 | source, store, obs := workFixture(t) |
| 20 | source.Continue = continues |
| 21 | source.Policy = func(context.Context, *hostclaim.Claim, Selection, hostwrite.Identity) error { return nil } |
| 22 | ctx := context.Background() |
| 23 | update := func(fn func(*hostclaim.Claim) error) { |
| 24 | t.Helper() |
| 25 | current, err := hostclaim.Read(ctx, store, "shop.example") |
| 26 | if err != nil { |
| 27 | t.Fatal(err) |
| 28 | } |
| 29 | if _, err = hostclaim.Update(ctx, store, current, fn); err != nil { |
| 30 | t.Fatal(err) |
| 31 | } |
| 32 | } |
| 33 | obs, err := hostclaim.Update(ctx, store, obs, func(c *hostclaim.Claim) error { |
| 34 | c.Op = hostclaim.Op{Kind: hostclaim.KindLanding, ID: "m1", Phase: hostclaim.PhaseLandingProbing, Exec: "box", Participants: []string{"source", "box"}, Intent: map[string]string{"to": "ie", "source": "source", "target": "box"}} |
| 35 | return nil |
| 36 | }) |
| 37 | if err != nil { |
| 38 | t.Fatal(err) |
| 39 | } |
| 40 | work, err := source.Select(ctx, obs.Host, "spawn") |
| 41 | if err != nil { |
| 42 | t.Fatal(err) |
| 43 | } |
| 44 | return work, store, update |
| 45 | } |
| 46 | |
| 47 | func plan9D1Write(work hostwrite.Work) error { |
| 48 | return work.With(context.Background(), hostwrite.Identity{Config: "c", Release: "r"}, func() error { return nil }) |
| 49 | } |
| 50 | |
| 51 | func TestPlan9D1ProbeSessionSurvivesForwardSteps(t *testing.T) { |
| 52 | work, _, update := plan9D1Probe(t, hostclaim.SessionContinues) |
| 53 | if err := plan9D1Write(work); err != nil { |
| 54 | t.Fatal(err) |
| 55 | } |
| 56 | update(hostclaim.SetMovePhase("m1", hostclaim.KindLanding, hostclaim.PhaseLandingProbing, hostclaim.PhaseLandingProbed)) |
| 57 | if err := plan9D1Write(work); err != nil { |
| 58 | t.Fatalf("probed ended the probe's session: %v", err) |
| 59 | } |
| 60 | update(hostclaim.KeepWriterSession("m1", hostclaim.SetMovePhase("m1", hostclaim.KindLanding, hostclaim.PhaseLandingProbed, hostclaim.PhaseLandingCommitted))) |
| 61 | if err := plan9D1Write(work); err != nil { |
| 62 | t.Fatalf("committed ended the probe's session: %v", err) |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | func TestPlan9D1ProbeSessionEndsOnEveryOtherChange(t *testing.T) { |
| 67 | for name, change := range map[string]func(*hostclaim.Claim) error{ |
| 68 | // A landing failure reverts the op: the claim moves to restoring |
| 69 | // under the same op id (moves §7.8). |
| 70 | "rollback": func(c *hostclaim.Claim) error { |
| 71 | c.Op.Kind, c.Op.Phase = hostclaim.KindRestoring, "releasing" |
| 72 | return nil |
| 73 | }, |
| 74 | "backward": func(c *hostclaim.Claim) error { c.Op.Phase = "restored"; return nil }, |
| 75 | "release": func(c *hostclaim.Claim) error { |
| 76 | c.Op = hostclaim.Op{Kind: hostclaim.KindServing, Exec: "box"} |
| 77 | return nil |
| 78 | }, |
| 79 | "other-op": func(c *hostclaim.Claim) error { c.Op.ID = "m2"; return nil }, |
| 80 | "session": func(c *hostclaim.Claim) error { c.Holder.Session++; return nil }, |
| 81 | "generation": func(c *hostclaim.Claim) error { |
| 82 | c.Holder.Generation = "fresh" |
| 83 | return nil |
| 84 | }, |
| 85 | } { |
| 86 | t.Run(name, func(t *testing.T) { |
| 87 | work, _, update := plan9D1Probe(t, hostclaim.SessionContinues) |
| 88 | update(change) |
| 89 | if err := plan9D1Write(work); err == nil { |
| 90 | t.Fatalf("%s kept the probe's session", name) |
| 91 | } |
| 92 | }) |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | // Without the moves C1 table (either flag off) main's phase equality stands. |
| 97 | func TestPlan9D1PhaseEqualityStandsWithoutTheTable(t *testing.T) { |
| 98 | work, _, update := plan9D1Probe(t, nil) |
| 99 | update(hostclaim.SetMovePhase("m1", hostclaim.KindLanding, hostclaim.PhaseLandingProbing, hostclaim.PhaseLandingProbed)) |
| 100 | if err := plan9D1Write(work); err == nil { |
| 101 | t.Fatal("a phase step kept the session without the table") |
| 102 | } |
| 103 | } |
| 104 | |
amadan