Implement artifact-level render command with Markdown output and update docs

internal/artifact/output_artifact_test.go

@@ -0,0 +1,134 @@
+package artifact
+
+import (
+	"encoding/json"
+	"strings"
+	"testing"
+
+	"gitea.maximumdirect.net/eric/seriatim/schema"
+)
+
+func TestParseOutputArtifactJSONParsesFullIntermediateAndMinimal(t *testing.T) {
+	t.Run("full", func(t *testing.T) {
+		first := 0
+		value := schema.Transcript{
+			Metadata: schema.Metadata{
+				Application:           "seriatim",
+				Version:               "v-test",
+				InputReader:           "json-files",
+				InputFiles:            []string{"input.json"},
+				PreprocessingModules:  []string{"validate-raw"},
+				PostprocessingModules: []string{"assign-ids", "validate-output"},
+				OutputModules:         []string{"json"},
+			},
+			Segments: []schema.Segment{
+				{
+					ID:                 1,
+					Source:             "input.json",
+					SourceSegmentIndex: &first,
+					Speaker:            "Alice",
+					Start:              1,
+					End:                2,
+					Text:               "hello",
+					Categories:         []string{"backchannel"},
+				},
+			},
+			OverlapGroups: []schema.OverlapGroup{},
+		}
+
+		parsed := mustParseOutputArtifact(t, value)
+		if parsed.Schema != OutputSchemaFull {
+			t.Fatalf("schema = %q, want %q", parsed.Schema, OutputSchemaFull)
+		}
+		if parsed.Full == nil {
+			t.Fatal("expected full payload")
+		}
+	})
+
+	t.Run("intermediate", func(t *testing.T) {
+		value := schema.IntermediateTranscript{
+			Metadata: schema.IntermediateMetadata{
+				Application:  "seriatim",
+				Version:      "v-test",
+				OutputSchema: OutputSchemaIntermediate,
+			},
+			Segments: []schema.IntermediateSegment{
+				{ID: 1, Start: 1, End: 2, Speaker: "Alice", Text: "hello", Categories: []string{"filler"}},
+			},
+		}
+
+		parsed := mustParseOutputArtifact(t, value)
+		if parsed.Schema != OutputSchemaIntermediate {
+			t.Fatalf("schema = %q, want %q", parsed.Schema, OutputSchemaIntermediate)
+		}
+		if parsed.Intermediate == nil {
+			t.Fatal("expected intermediate payload")
+		}
+	})
+
+	t.Run("minimal", func(t *testing.T) {
+		value := schema.MinimalTranscript{
+			Metadata: schema.MinimalMetadata{
+				Application:  "seriatim",
+				Version:      "v-test",
+				OutputSchema: OutputSchemaMinimal,
+			},
+			Segments: []schema.MinimalSegment{
+				{ID: 1, Start: 1, End: 2, Speaker: "Alice", Text: "hello"},
+			},
+		}
+
+		parsed := mustParseOutputArtifact(t, value)
+		if parsed.Schema != OutputSchemaMinimal {
+			t.Fatalf("schema = %q, want %q", parsed.Schema, OutputSchemaMinimal)
+		}
+		if parsed.Minimal == nil {
+			t.Fatal("expected minimal payload")
+		}
+	})
+}
+
+func TestParseOutputArtifactJSONRejectsMalformedJSON(t *testing.T) {
+	_, err := ParseOutputArtifactJSON([]byte(`{"metadata":`))
+	if err == nil {
+		t.Fatal("expected malformed JSON error")
+	}
+	if !strings.Contains(err.Error(), "input JSON is malformed") {
+		t.Fatalf("unexpected error: %v", err)
+	}
+}
+
+func TestParseOutputArtifactJSONRejectsRawWhisperXLikeInput(t *testing.T) {
+	data := []byte(`{
+		"segments": [
+			{
+				"id": 0,
+				"start": 0.1,
+				"end": 1.2,
+				"text": "hello",
+				"words": [{"word":"hello","start":0.1,"end":0.8}]
+			}
+		]
+	}`)
+
+	_, err := ParseOutputArtifactJSON(data)
+	if err == nil {
+		t.Fatal("expected artifact validation error")
+	}
+	if !strings.Contains(err.Error(), "not a valid seriatim output artifact") {
+		t.Fatalf("unexpected error: %v", err)
+	}
+}
+
+func mustParseOutputArtifact(t *testing.T, value any) OutputArtifact {
+	t.Helper()
+	data, err := json.Marshal(value)
+	if err != nil {
+		t.Fatalf("marshal: %v", err)
+	}
+	parsed, err := ParseOutputArtifactJSON(data)
+	if err != nil {
+		t.Fatalf("parse: %v", err)
+	}
+	return parsed
+}