185 lines
7.4 KiB
Go
185 lines
7.4 KiB
Go
package combatturns
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import (
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"bytes"
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"encoding/json"
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"os"
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"reflect"
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"strings"
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"testing"
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"gitea.maximumdirect.net/eric/notarius/internal/core/source"
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"gitea.maximumdirect.net/eric/notarius/internal/framework/contracts"
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"gitea.maximumdirect.net/eric/notarius/internal/framework/pipeline"
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"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
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)
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func validList() dnd.CombatTurnList {
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return dnd.CombatTurnList{CombatTurns: []dnd.CombatTurn{{
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Actor: "Aria", TurnKind: dnd.CombatTurnKindTurn,
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SourceRefs: []source.SourceRef{{SourceID: "session-alpha", StartUnitID: 1, EndUnitID: 2}},
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}}}
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}
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func TestCodecMatchesMaintainedDurableFixture(t *testing.T) {
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raw, err := os.ReadFile("testdata/dnd_combat_turns.v1.json")
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if err != nil {
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t.Fatal(err)
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}
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codec := New()
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value, err := codec.Decode(raw)
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if err != nil {
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t.Fatalf("Decode() error = %v", err)
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}
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if want := validList(); !reflect.DeepEqual(value, want) {
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t.Fatalf("Decode() = %#v, want %#v", value, want)
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}
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encoded, err := codec.Encode(value)
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if err != nil {
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t.Fatalf("Encode() error = %v", err)
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}
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var compact bytes.Buffer
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if err := json.Compact(&compact, raw); err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal(encoded, compact.Bytes()) {
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t.Fatalf("Encode() = %s, want %s", encoded, compact.Bytes())
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}
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}
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func TestCodecOwnsDurableSchemaAndRegistersExactType(t *testing.T) {
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codec := New()
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schema := codec.Schema()
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if codec.Kind() != dnd.CombatTurnListKind || codec.MediaType() != MediaType {
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t.Fatalf("codec identity = %q/%q", codec.Kind(), codec.MediaType())
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}
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if schema.ID != SchemaID || schema.Name != SchemaName || schema.Version != SchemaVersion || !json.Valid(schema.JSONSchema) {
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t.Fatalf("schema = %#v", schema)
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}
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registry := pipeline.NewArtifactCodecRegistry()
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if err := pipeline.RegisterArtifactCodec(registry, codec); err != nil {
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t.Fatal(err)
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}
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spec, ok := registry.Spec(dnd.CombatTurnListKind)
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if !ok || spec.SchemaDigest != contracts.DigestArtifactSchema(schema) {
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t.Fatalf("registered spec = %#v, %t", spec, ok)
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}
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}
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func TestCodecStrictlyRejectsMalformedUnknownAndInvalidJSON(t *testing.T) {
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validJSON := `{"combat_turns":[{"actor":"Aria","turn_kind":"turn","source_refs":[{"source_id":"session","start_unit_id":1,"end_unit_id":1}]}]}`
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tests := []struct{ name, raw, want string }{
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{"malformed", `{`, "decode dnd combat turn list"},
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{"unknown top-level", `{"combat_turns":[],"unexpected":true}`, "unknown field"},
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{"unknown turn field", strings.Replace(validJSON, `"turn_kind":"turn"`, `"turn_kind":"turn","unexpected":true`, 1), "unknown field"},
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{"unknown source field", strings.Replace(validJSON, `"end_unit_id":1`, `"end_unit_id":1,"unexpected":true`, 1), "unknown field"},
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{"trailing", `{"combat_turns":[]} {}`, "multiple JSON values"},
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{"missing list", `{}`, "combat_turns must be present"},
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{"unsupported kind", strings.Replace(validJSON, `"turn_kind":"turn"`, `"turn_kind":"unsupported"`, 1), "turn_kind must be supported"},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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if _, err := New().Decode([]byte(test.raw)); err == nil || !strings.Contains(err.Error(), test.want) {
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t.Fatalf("Decode() error = %v, want %q", err, test.want)
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}
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})
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}
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}
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func TestCodecCandidatePreservesValidatorOwnedValuesAndCollectionPresence(t *testing.T) {
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candidates := []dnd.CombatTurnList{
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{},
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{CombatTurns: []dnd.CombatTurn{}},
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{CombatTurns: []dnd.CombatTurn{{Actor: " ", TurnKind: "unsupported", SourceRefs: nil}}},
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{CombatTurns: []dnd.CombatTurn{{Actor: " ", TurnKind: "unsupported", SourceRefs: []source.SourceRef{}}}},
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{CombatTurns: []dnd.CombatTurn{{Actor: " ", TurnKind: "unsupported", SourceRefs: []source.SourceRef{{StartUnitID: 0, EndUnitID: -1}}}}},
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}
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for _, candidate := range candidates {
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content, err := New().EncodeCandidate(candidate)
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if err != nil || !json.Valid(content) {
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t.Fatalf("EncodeCandidate() = %s, %v", content, err)
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}
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decoded, err := New().DecodeCandidate(content)
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if err != nil || !reflect.DeepEqual(decoded, candidate) {
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t.Fatalf("DecodeCandidate() = %#v, %v; want %#v", decoded, err, candidate)
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}
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}
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}
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func TestCodecRejectsInvalidDurableRangesWhileCandidatesPreserveThem(t *testing.T) {
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codec := New()
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for _, test := range []struct {
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name string
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mutate func(*dnd.CombatTurnList)
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want string
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}{
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{name: "nonpositive start", mutate: func(value *dnd.CombatTurnList) { value.CombatTurns[0].SourceRefs[0].StartUnitID = 0 }, want: "start_unit_id"},
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{name: "nonpositive end", mutate: func(value *dnd.CombatTurnList) { value.CombatTurns[0].SourceRefs[0].EndUnitID = 0 }, want: "end_unit_id"},
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{name: "reversed", mutate: func(value *dnd.CombatTurnList) {
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value.CombatTurns[0].SourceRefs[0].StartUnitID = 2
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value.CombatTurns[0].SourceRefs[0].EndUnitID = 1
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}, want: "must not exceed"},
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} {
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t.Run(test.name, func(t *testing.T) {
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candidate := validList()
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test.mutate(&candidate)
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content, err := codec.EncodeCandidate(candidate)
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if err != nil {
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t.Fatalf("EncodeCandidate() error = %v", err)
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}
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decoded, err := codec.DecodeCandidate(content)
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if err != nil || !reflect.DeepEqual(decoded, candidate) {
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t.Fatalf("DecodeCandidate() = %#v, %v; want %#v", decoded, err, candidate)
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}
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if _, err := codec.Encode(candidate); err == nil || !strings.Contains(err.Error(), test.want) {
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t.Fatalf("Encode() error = %v, want %q", err, test.want)
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}
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if _, err := codec.Decode(content); err == nil || !strings.Contains(err.Error(), test.want) {
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t.Fatalf("Decode() error = %v, want %q", err, test.want)
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}
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})
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}
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}
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func TestCodecRejectsRequiredShapeAndReferenceBoundaries(t *testing.T) {
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tests := []struct {
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name string
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value dnd.CombatTurnList
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want string
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}{
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{"nil combat turns", dnd.CombatTurnList{}, "combat_turns must be present"},
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{"empty actor", mutate(validList(), func(v *dnd.CombatTurnList) { v.CombatTurns[0].Actor = " " }), "actor must not be empty"},
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{"unsupported turn kind", mutate(validList(), func(v *dnd.CombatTurnList) { v.CombatTurns[0].TurnKind = "unsupported" }), "turn_kind must be supported"},
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{"nil source refs", mutate(validList(), func(v *dnd.CombatTurnList) { v.CombatTurns[0].SourceRefs = nil }), "source_refs must contain"},
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{"empty source ID", mutate(validList(), func(v *dnd.CombatTurnList) { v.CombatTurns[0].SourceRefs[0].SourceID = " " }), "source_id must not be empty"},
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{"non-positive start", mutate(validList(), func(v *dnd.CombatTurnList) { v.CombatTurns[0].SourceRefs[0].StartUnitID = 0 }), "start_unit_id must be positive"},
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{"non-positive end", mutate(validList(), func(v *dnd.CombatTurnList) { v.CombatTurns[0].SourceRefs[0].EndUnitID = 0 }), "end_unit_id must be positive"},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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if _, err := New().Encode(test.value); err == nil || !strings.Contains(err.Error(), test.want) {
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t.Fatalf("Encode() error = %v, want %q", err, test.want)
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}
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})
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}
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}
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func TestCodecSchemaAndMetadataAreDefensive(t *testing.T) {
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codec := New()
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first := codec.Schema()
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first.JSONSchema[0] = '['
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if second := codec.Schema(); !json.Valid(second.JSONSchema) || second.JSONSchema[0] == '[' {
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t.Fatal("Schema() returned shared bytes")
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}
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metadata := codec.Metadata(validList())
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metadata["other"] = true
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if next := codec.Metadata(validList()); len(next) != 1 || next["combat_turn_count"] != 1 {
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t.Fatalf("Metadata() = %#v", next)
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}
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}
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func mutate(value dnd.CombatTurnList, change func(*dnd.CombatTurnList)) dnd.CombatTurnList {
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change(&value)
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return value
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}
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