96 lines
4.2 KiB
Go
96 lines
4.2 KiB
Go
package catalogue
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import (
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"strings"
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"testing"
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)
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// The router of novox/hq ADR 0259: it declares the operator's seat and the two kinded benches.
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func router() Manifest {
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return Manifest{Module: "messenger", Tools: []string{"open", "history", "notify"},
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State: []StateDeclaration{{Name: "asks"}},
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DefinesSeats: []SeatDeclaration{
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{Name: "operator-channel", Scope: ScopeMesh, Accepts: []string{"ask", "cancel"}, Emits: []string{"decided"},
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ByCaller: []string{"ask", "cancel", "decided"}, Records: []string{"asks"},
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Serves: []Verb{{Name: "open"}, {Name: "history"}, {Name: "notify"}}},
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{Name: "channel", Scope: ScopeMesh, Kinded: true, Accepts: []string{"show", "edit", "send"}},
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{Name: "intake", Scope: ScopeMesh, Kinded: true, Emits: []string{"choice", "link"}, Proofs: []string{"code"}},
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},
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Claims: []Claim{{Name: "operator-channel", Scope: ScopeMesh}},
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Uses: []string{"channel"}}
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}
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func aChannel(module, kind string) Manifest {
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return Manifest{Module: module, Claims: []Claim{
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{Name: "channel", Scope: ScopeMesh, Kind: kind}, {Name: "intake", Scope: ScopeMesh, Kind: kind}}}
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}
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func TestTwoChannelsOfDifferentKindsHoldTheBenches(t *testing.T) {
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shelf := Shelf{"messenger": router(), "telegram": aChannel("telegram", "telegram"),
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"desk-channel": aChannel("desk-channel", "desktop")}
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if got := problemsFor(t, shelf); got != "" {
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t.Fatalf("two kinds were refused: %s", got)
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}
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for _, m := range shelf {
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if got := declaredSeatProblems(m); len(got) > 0 {
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t.Fatalf("%s: %v", m.Module, got)
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}
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}
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}
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func TestASecondClaimOfOneKindIsRefused(t *testing.T) {
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got := problemsFor(t, Shelf{"messenger": router(), "telegram": aChannel("telegram", "telegram"),
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"telegram-two": aChannel("telegram-two", "telegram")})
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if !strings.Contains(got, `of kind "telegram", which telegram already claims`) {
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t.Fatalf("a second holder of one kind stood: %s", got)
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}
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}
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func TestAKindedBenchNeedsAKindAndNoOtherSeatTakesOne(t *testing.T) {
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got := problemsFor(t, Shelf{"messenger": router(), "nameless": aChannel("nameless", "")})
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if !strings.Contains(got, "claims the kinded bench channel and names no kind") {
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t.Fatalf("a claim without a kind stood: %s", got)
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}
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odd := Manifest{Module: "odd", Claims: []Claim{{Name: "operator-channel", Scope: ScopeMesh, Kind: "telegram"}}}
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got = problemsFor(t, Shelf{"messenger": router(), "odd": odd})
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if !strings.Contains(got, "only a kinded bench takes a kind") {
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t.Fatalf("a kind on a seat that is not kinded stood: %s", got)
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}
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dotted := problemsFor(t, Shelf{"messenger": router(), "dotted": aChannel("dotted", "a.b")})
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if !strings.Contains(dotted, "not a usable name") {
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t.Fatalf("a kind that would widen a subject stood: %s", dotted)
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}
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}
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func TestOnlyChannelAndIntakeAreKinded(t *testing.T) {
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m := Manifest{Module: "x", DefinesSeats: []SeatDeclaration{{Name: "pager", Kinded: true, Accepts: []string{"page"}}}}
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if got := strings.Join(declaredSeatProblems(m), "; "); !strings.Contains(got, "only channel and intake are kinded") {
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t.Fatalf("another kinded bench was declared: %s", got)
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}
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}
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func TestTheNewRulesAreHeldToWhatTheSeatSays(t *testing.T) {
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m := Manifest{Module: "x", DefinesSeats: []SeatDeclaration{{Name: "thing", Accepts: []string{"do"},
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ByCaller: []string{"undo"}, Proofs: []string{"code"}, Records: []string{"nothing"}}}}
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got := strings.Join(declaredSeatProblems(m), "; ")
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for _, want := range []string{"names thing.undo by its caller, which the seat neither accepts nor emits",
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"declares proofs on thing, which is not kinded", `read its records "nothing", which it keeps no state of`} {
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if !strings.Contains(got, want) {
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t.Errorf("not refused: %q in %s", want, got)
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}
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}
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}
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// Two kinds on one machine are two holders, and one kind on two machines is a second claimant.
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func TestEachKindIsItsOwnHolderWhenResolved(t *testing.T) {
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modules := []Manifest{aChannel("telegram", "telegram"), aChannel("desk-channel", "desktop")}
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held, problems := checkClaims(modules, Node{Name: "anchor"}, nil, nil)
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if len(problems) > 0 || len(held) != 4 {
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t.Fatalf("two kinds on one machine: held %v, problems %v", held, problems)
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}
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_, problems = checkClaims([]Manifest{aChannel("telegram", "telegram")}, Node{Name: "home"}, held, nil)
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if len(problems) == 0 {
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t.Fatal("one kind held on two machines was not refused")
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}
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}
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