Add D&D enemy event validators

This commit is contained in:
2026-08-03 20:56:36 +00:00
parent 02ec10d66b
commit a92d2c0885
8 changed files with 843 additions and 0 deletions

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// Package sourcerefs validates enemy-event evidence against the current source document.
package sourcerefs
import (
"context"
"fmt"
"gitea.maximumdirect.net/eric/notarius/internal/core/source"
"gitea.maximumdirect.net/eric/notarius/internal/framework/contracts"
"gitea.maximumdirect.net/eric/notarius/internal/framework/pipeline"
"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/shared/diagnostics"
enemyeventshape "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/enemyevents/shape"
)
const (
Key = "extract/dnd/enemy-events/source_refs"
ReasonCode = "invalid_enemy_event_source_refs"
policy = "dnd.enemy_events.validator.source_refs.v1"
)
type Options struct{}
type Validator struct{}
var _ contracts.TypedValidator[dnd.EnemyEventList] = (*Validator)(nil)
var _ pipeline.CheckpointFingerprintProvider = (*Validator)(nil)
func New(Options) *Validator { return &Validator{} }
func (v *Validator) Name() string { return Key }
func (v *Validator) ExecutionClass() contracts.ExecutionClass {
return contracts.ExecutionClassDeterministic
}
func (v *Validator) CheckpointFingerprints() []pipeline.CheckpointFingerprint {
return []pipeline.CheckpointFingerprint{{Name: "policy", Value: policy}}
}
func (v *Validator) Validate(_ context.Context, req contracts.TypedValidationRequest[dnd.EnemyEventList]) (contracts.ValidationResult, error) {
if req.Stage == string(pipeline.StageExtract) && req.Chunk == nil {
return contracts.ValidationResult{}, fmt.Errorf("enemy event source-reference validator requires the current extraction chunk")
}
if err := enemyeventshape.Validate(req.Value); err != nil {
return contracts.ValidationResult{Approved: true}, nil
}
index := source.NewDocumentIndex(req.Source)
var coverage *chunkCoverage
if req.Stage == string(pipeline.StageExtract) {
coverage = newChunkCoverage(req.Chunk)
}
issues := sourceRefIssues(index, req.Source, coverage, req.Value)
if len(issues) == 0 {
return contracts.ValidationResult{Approved: true}, nil
}
return contracts.ValidationResult{Approved: false, ReasonCode: ReasonCode, Message: diagnostics.Aggregate("invalid enemy event source references", issues)}, nil
}
func sourceRefIssues(index source.DocumentIndex, doc *source.SourceDocument, coverage *chunkCoverage, value dnd.EnemyEventList) []string {
issues := make([]string, 0)
for eventIndex, event := range value.Events {
for refIndex, ref := range event.SourceRefs {
if err := index.ValidateRef(ref); err != nil {
issues = append(issues, fmt.Sprintf("events[%d].source_refs[%d]: %s", eventIndex, refIndex, diagnostics.Truncate(err.Error())))
continue
}
if coverage != nil && !coverage.contains(doc, ref) {
issues = append(issues, fmt.Sprintf("events[%d].source_refs[%d]: source reference is outside the current extraction chunk", eventIndex, refIndex))
}
}
}
return issues
}
type chunkCoverage struct {
sourceID string
unitIDs map[int]struct{}
}
func newChunkCoverage(chunk *source.Chunk) *chunkCoverage {
coverage := &chunkCoverage{sourceID: chunk.SourceID, unitIDs: make(map[int]struct{}, len(chunk.Units))}
for _, unit := range chunk.Units {
coverage.unitIDs[unit.ID] = struct{}{}
}
return coverage
}
func (coverage *chunkCoverage) contains(doc *source.SourceDocument, ref source.SourceRef) bool {
if coverage == nil || doc == nil || ref.SourceID != coverage.sourceID {
return false
}
start, startOK := source.UnitIndex(doc, ref.StartUnitID)
end, endOK := source.UnitIndex(doc, ref.EndUnitID)
if !startOK || !endOK || start > end {
return false
}
for position := start; position <= end; position++ {
if _, found := coverage.unitIDs[doc.Units[position].ID]; !found {
return false
}
}
return true
}
func Spec() pipeline.ValidatorSpec {
return pipeline.ValidatorSpec{Key: Key, ExecutionClass: contracts.ExecutionClassDeterministic}
}
func Register(registry *pipeline.ValidatorRegistry) error {
return pipeline.RegisterTypedValidatorBuilder(registry, dnd.EnemyEventListKind, Spec(), validateOptions, func(request pipeline.BuildRequest) (contracts.TypedValidator[dnd.EnemyEventList], error) {
options, err := DecodeOptions(request.Options)
if err != nil {
return nil, err
}
return New(options), nil
})
}
func DecodeOptions(options map[string]any) (Options, error) {
if err := pipeline.RejectUnknownOptions(options); err != nil {
return Options{}, err
}
return Options{}, nil
}
func validateOptions(options map[string]any) error { _, err := DecodeOptions(options); return err }

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package sourcerefs
import (
"context"
"strings"
"testing"
"gitea.maximumdirect.net/eric/notarius/internal/core/source"
"gitea.maximumdirect.net/eric/notarius/internal/framework/contracts"
"gitea.maximumdirect.net/eric/notarius/internal/framework/pipeline"
"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
)
func TestValidatorAcceptsCurrentDocumentAndChunkEvidence(t *testing.T) {
value := validEventList()
chunk := &source.Chunk{SourceID: "session", Units: []source.SourceUnit{{ID: 1}, {ID: 2}}}
result, err := New(Options{}).Validate(context.Background(), contracts.TypedValidationRequest[dnd.EnemyEventList]{Stage: string(pipeline.StageExtract), Source: document(), Chunk: chunk, Value: value})
if err != nil || !result.Approved {
t.Fatalf("Validate() = %#v, %v", result, err)
}
}
func TestValidatorRejectsInvalidOrOutOfChunkEvidence(t *testing.T) {
for _, test := range []struct {
name string
ref source.SourceRef
chunk *source.Chunk
want string
missing bool
}{
{"wrong source", source.SourceRef{SourceID: "other", StartUnitID: 1, EndUnitID: 1}, nil, "does not match document", false},
{"unknown unit", source.SourceRef{SourceID: "session", StartUnitID: 99, EndUnitID: 99}, nil, "was not found", false},
{"backward range", source.SourceRef{SourceID: "session", StartUnitID: 3, EndUnitID: 1}, nil, "appears after", false},
{"outside chunk", source.SourceRef{SourceID: "session", StartUnitID: 2, EndUnitID: 3}, &source.Chunk{SourceID: "session", Units: []source.SourceUnit{{ID: 1}, {ID: 2}}}, "outside the current extraction chunk", false},
{"missing chunk", source.SourceRef{SourceID: "session", StartUnitID: 1, EndUnitID: 1}, nil, "current extraction chunk", true},
} {
t.Run(test.name, func(t *testing.T) {
value := validEventList()
value.Events[0].SourceRefs[0] = test.ref
request := contracts.TypedValidationRequest[dnd.EnemyEventList]{Source: document(), Value: value}
if test.chunk != nil || test.missing {
request.Stage = string(pipeline.StageExtract)
request.Chunk = test.chunk
}
result, err := New(Options{}).Validate(context.Background(), request)
if test.missing {
if err == nil || !strings.Contains(err.Error(), test.want) {
t.Fatalf("Validate() error = %v; want %q", err, test.want)
}
return
}
if err != nil || result.Approved || result.ReasonCode != ReasonCode || !strings.Contains(result.Message, test.want) {
t.Fatalf("Validate() = %#v, %v; want %q", result, err, test.want)
}
})
}
}
func TestValidatorDefersShapeFailureAndRegistersStrictly(t *testing.T) {
malformed := dnd.EnemyEventList{Events: []dnd.EnemyEvent{{Name: "Ashfang"}}}
result, err := New(Options{}).Validate(context.Background(), contracts.TypedValidationRequest[dnd.EnemyEventList]{Source: document(), Value: malformed})
if err != nil || !result.Approved {
t.Fatalf("shape deferral = %#v, %v", result, err)
}
registry := pipeline.NewValidatorRegistry()
if err := Register(registry); err != nil {
t.Fatal(err)
}
if Spec().Key != Key || Spec().ExecutionClass != contracts.ExecutionClassDeterministic {
t.Fatalf("Spec() = %#v", Spec())
}
if got := New(Options{}).CheckpointFingerprints(); len(got) != 1 || got[0].Value != policy {
t.Fatalf("CheckpointFingerprints() = %#v", got)
}
if _, err := DecodeOptions(map[string]any{"unexpected": true}); err == nil {
t.Fatal("DecodeOptions() accepted unknown option")
}
}
func validEventList() dnd.EnemyEventList {
return dnd.EnemyEventList{Events: []dnd.EnemyEvent{{Name: "Ashfang", Kind: dnd.EnemyEventKindEngaged, SourceRefs: []source.SourceRef{{SourceID: "session", StartUnitID: 1, EndUnitID: 2}}}}}
}
func document() *source.SourceDocument {
return &source.SourceDocument{ID: "session", Units: []source.SourceUnit{{ID: 1, Text: "Ashfang attacks."}, {ID: 2, Text: "Ashfang retreats."}, {ID: 3, Text: "Later."}}}
}