Organize D&D extensions by domain

internal/modules/dnd/validate/spells/source_refs/validator.go

@@ -0,0 +1,69 @@
+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/validate/spells/spellpayload"
+)
+
+const Key = "extract/dnd/spells/source_refs"
+const ReasonCode = "invalid_source_refs"
+
+var _ contracts.Validator = (*Validator)(nil)
+
+type Validator struct{}
+
+func New() *Validator {
+	return &Validator{}
+}
+
+func (v *Validator) Name() string {
+	return Key
+}
+
+func (v *Validator) ExecutionClass() contracts.ExecutionClass {
+	return contracts.ExecutionClassDeterministic
+}
+
+func (v *Validator) Validate(ctx context.Context, req contracts.ValidationRequest) (contracts.ValidationResult, error) {
+	payload, err := spellpayload.ValidationRequestPayload(req)
+	if err != nil {
+		return rejection(err.Error()), nil
+	}
+	if err := spellpayload.ValidateShape(payload); err != nil {
+		return rejection(err.Error()), nil
+	}
+	for spellIndex, spell := range payload.SpellCasts {
+		for refIndex, ref := range spellpayload.SourceRefCandidates(req.Source, spell) {
+			if err := source.ValidateRef(req.Source, ref); err != nil {
+				return rejection(fmt.Sprintf("spell_casts[%d].source_refs[%d]: %v", spellIndex, refIndex, err)), nil
+			}
+		}
+	}
+	return contracts.ValidationResult{Approved: true}, nil
+}
+
+func Spec() pipeline.ValidatorSpec {
+	return pipeline.ValidatorSpec{
+		Key:            Key,
+		ExecutionClass: contracts.ExecutionClassDeterministic,
+	}
+}
+
+func Register(registry *pipeline.ValidatorRegistry) error {
+	return registry.RegisterWithSpec(Spec(), func() (contracts.Validator, error) {
+		return New(), nil
+	})
+}
+
+func rejection(message string) contracts.ValidationResult {
+	return contracts.ValidationResult{
+		Approved:   false,
+		ReasonCode: ReasonCode,
+		Message:    message,
+	}
+}

internal/modules/dnd/validate/spells/source_refs/validator_test.go

@@ -0,0 +1,83 @@
+package sourcerefs
+
+import (
+	"context"
+	"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"
+)
+
+func TestValidatorApprovesValidSourceRefs(t *testing.T) {
+	result, err := New().Validate(context.Background(), requestWithPayload(validDocument(), `{"spell_casts":[{"caster":"Aria","spell":"Cure Wounds","effect":"heals","narrative_description":"Aria casts Cure Wounds.","source_refs":[{"source_id":"session","start_unit_id":1,"end_unit_id":2}]}]}`))
+	if err != nil {
+		t.Fatalf("Validate() error = %v, want nil", err)
+	}
+	if !result.Approved {
+		t.Fatalf("Validate() = %#v, want approved", result)
+	}
+}
+
+func TestValidatorRejectsInvalidSourceRefs(t *testing.T) {
+	result, err := New().Validate(context.Background(), requestWithPayload(validDocument(), `{"spell_casts":[{"caster":"Aria","spell":"Cure Wounds","effect":"heals","narrative_description":"Aria casts Cure Wounds.","source_refs":[{"source_id":"session","start_unit_id":99,"end_unit_id":99}]}]}`))
+	if err != nil {
+		t.Fatalf("Validate() error = %v, want nil", err)
+	}
+	if result.Approved {
+		t.Fatalf("Approved = true, want false")
+	}
+	if result.ReasonCode != ReasonCode {
+		t.Fatalf("ReasonCode = %q, want %q", result.ReasonCode, ReasonCode)
+	}
+}
+
+func TestValidatorRejectsMissingSourceDocument(t *testing.T) {
+	result, err := New().Validate(context.Background(), requestWithPayload(nil, `{"spell_casts":[{"caster":"Aria","spell":"Cure Wounds","effect":"heals","narrative_description":"Aria casts Cure Wounds.","source_refs":[{"source_id":"session","start_unit_id":1,"end_unit_id":1}]}]}`))
+	if err != nil {
+		t.Fatalf("Validate() error = %v, want nil", err)
+	}
+	if result.Approved {
+		t.Fatalf("Approved = true, want false")
+	}
+	if result.ReasonCode != ReasonCode {
+		t.Fatalf("ReasonCode = %q, want %q", result.ReasonCode, ReasonCode)
+	}
+}
+
+func TestSpecAndRegister(t *testing.T) {
+	registry := pipeline.NewValidatorRegistry()
+	if err := Register(registry); err != nil {
+		t.Fatalf("Register() error = %v, want nil", err)
+	}
+	validator, err := registry.Build(Key)
+	if err != nil {
+		t.Fatalf("Build(%q) error = %v, want nil", Key, err)
+	}
+	if validator.Name() != Key || validator.ExecutionClass() != contracts.ExecutionClassDeterministic {
+		t.Fatalf("validator = %q/%q, want key and deterministic execution", validator.Name(), validator.ExecutionClass())
+	}
+}
+
+func requestWithPayload(doc *source.SourceDocument, payload string) contracts.ValidationRequest {
+	return contracts.ValidationRequest{
+		Source: doc,
+		Payload: contracts.RawPayload{
+			Content:   []byte(payload),
+			MediaType: "application/json",
+		},
+	}
+}
+
+func validDocument() *source.SourceDocument {
+	return &source.SourceDocument{
+		ID:     "session",
+		Kind:   "transcript",
+		Format: "application/json",
+		Digest: "sha256:session",
+		Units: []source.SourceUnit{
+			{ID: 1, Kind: "message", Text: "Aria raises her holy symbol."},
+			{ID: 2, Kind: "message", Text: "Aria casts Cure Wounds on Borin."},
+		},
+	}
+}