Define minimal module framework contracts

internal/framework/contracts/contracts_test.go

@@ -0,0 +1,117 @@
+package contracts
+
+import (
+	"context"
+	"encoding/json"
+	"reflect"
+	"testing"
+
+	"gitea.maximumdirect.net/eric/audita/internal/core/chunking"
+	"gitea.maximumdirect.net/eric/audita/internal/framework/proposals"
+)
+
+type fakeLLMClient struct{}
+
+func (f *fakeLLMClient) CompleteStructured(ctx context.Context, req StructuredCompletionRequest) (StructuredCompletionResponse, error) {
+	_ = ctx
+	_ = req
+	return StructuredCompletionResponse{Content: json.RawMessage(`{"ok":true}`)}, nil
+}
+
+type fakeValidator struct{}
+
+func (f *fakeValidator) Name() string { return "fake-validator" }
+
+func (f *fakeValidator) Validate(ctx context.Context, req ValidationRequest) ([]ValidationDecision, error) {
+	_ = ctx
+	decisions := make([]ValidationDecision, len(req.CandidateProposals))
+	for i, proposal := range req.CandidateProposals {
+		decisions[i] = ValidationDecision{ProposalIndex: proposal.ProposalIndex, Approved: true}
+	}
+	return decisions, nil
+}
+
+type fakeModule struct{}
+
+func (f *fakeModule) Key() string { return "fake" }
+
+func (f *fakeModule) ReplacementPolicy() proposals.ReplacementPolicy {
+	return proposals.ReplacementPolicyRequireUnique
+}
+
+func (f *fakeModule) Validators() []Validator {
+	return []Validator{&fakeValidator{}}
+}
+
+func (f *fakeModule) Propose(ctx context.Context, req ProposalRequest) ([]proposals.CorrectionProposal, error) {
+	_ = ctx
+	_ = req
+	return []proposals.CorrectionProposal{
+		{TargetSegmentID: 1, OriginalText: "a", CorrectedText: "b", Confidence: 0.9},
+	}, nil
+}
+
+func TestInterfaceContractsCompileWithFakes(t *testing.T) {
+	var _ StructuredLLMClient = (*fakeLLMClient)(nil)
+	var _ Validator = (*fakeValidator)(nil)
+	var _ TranscriptModule = (*fakeModule)(nil)
+
+	module := &fakeModule{}
+	if got := module.Key(); got != "fake" {
+		t.Fatalf("unexpected module key: %q", got)
+	}
+
+	proposalsOut, err := module.Propose(context.Background(), ProposalRequest{})
+	if err != nil {
+		t.Fatalf("unexpected propose error: %v", err)
+	}
+	if len(proposalsOut) != 1 {
+		t.Fatalf("expected one proposal, got %d", len(proposalsOut))
+	}
+}
+
+func TestResolveModuleRunSpecs(t *testing.T) {
+	specs, err := ResolveModuleRunSpecs([]string{"glossary", "homophones", "glossary", "spoken_word", "grammar"})
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	expected := []ModuleRunSpec{
+		{ModuleKey: "glossary", InstanceName: "glossary_1"},
+		{ModuleKey: "homophones", InstanceName: "homophones"},
+		{ModuleKey: "glossary", InstanceName: "glossary_2"},
+		{ModuleKey: "spoken_word", InstanceName: "spoken_word"},
+		{ModuleKey: "grammar", InstanceName: "grammar"},
+	}
+
+	if !reflect.DeepEqual(specs, expected) {
+		t.Fatalf("unexpected specs\nexpected: %+v\nactual:   %+v", expected, specs)
+	}
+}
+
+func TestResolveModuleRunSpecsRejectsEmptyKey(t *testing.T) {
+	_, err := ResolveModuleRunSpecs([]string{"glossary", ""})
+	if err == nil {
+		t.Fatal("expected error for empty module key")
+	}
+}
+
+func TestSectionMetadataFromSection(t *testing.T) {
+	section := chunking.Section{
+		Index:           3,
+		StartSegmentID:  10,
+		EndSegmentID:    14,
+		EstimatedTokens: 123,
+	}
+
+	got := SectionMetadataFromSection(section)
+	want := SectionMetadata{
+		Index:           3,
+		StartSegmentID:  10,
+		EndSegmentID:    14,
+		EstimatedTokens: 123,
+	}
+	if !reflect.DeepEqual(got, want) {
+		t.Fatalf("unexpected section metadata: got=%+v want=%+v", got, want)
+	}
+}