Add production default pipeline modules
This commit is contained in:
213
internal/modules/chunk/generic/chunker_test.go
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213
internal/modules/chunk/generic/chunker_test.go
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@@ -0,0 +1,213 @@
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package generic
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import (
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"context"
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"encoding/json"
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"fmt"
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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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)
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func TestModuleSpecAndRegister(t *testing.T) {
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want := pipeline.ModuleSpec{
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Key: Key,
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Stage: pipeline.StageChunk,
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Provides: []string{"chunks"},
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}
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if got := ModuleSpec(); !reflect.DeepEqual(got, want) {
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t.Fatalf("ModuleSpec() = %#v, want %#v", got, want)
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}
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registry := pipeline.NewChunkerRegistry()
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if err := Register(registry); err != nil {
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t.Fatalf("Register() error = %v, want nil", err)
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}
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spec, ok := registry.Spec(Key)
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if !ok {
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t.Fatalf("Spec(%q) ok = false, want true", Key)
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}
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if !reflect.DeepEqual(spec, want) {
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t.Fatalf("registered spec = %#v, want %#v", spec, want)
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}
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chunker, err := registry.Build(Key)
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if err != nil {
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t.Fatalf("Build(%q) error = %v, want nil", Key, err)
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}
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if chunker.Key() != Key {
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t.Fatalf("Key() = %q, want %q", chunker.Key(), Key)
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}
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}
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func TestChunkUsesDefaultsForSingleChunk(t *testing.T) {
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result, err := New().Chunk(context.Background(), contracts.ChunkRequest{Source: testSource(3), Options: nil})
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if err != nil {
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t.Fatalf("Chunk() error = %v, want nil", err)
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}
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if got := chunkIDs(result.Chunks); !reflect.DeepEqual(got, []string{"chunk-000001"}) {
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t.Fatalf("chunk IDs = %#v, want one stable ID", got)
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}
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chunk := result.Chunks[0]
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if chunk.Index != 0 || chunk.SourceID != "source-1" {
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t.Fatalf("chunk = %#v, want source and index fields", chunk)
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}
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if got := unitIDs(chunk.Units); !reflect.DeepEqual(got, []string{"u001", "u002", "u003"}) {
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t.Fatalf("unit IDs = %#v, want all units", got)
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}
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if chunk.Metadata["start_unit_id"] != "u001" || chunk.Metadata["end_unit_id"] != "u003" || chunk.Metadata["unit_count"] != 3 {
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t.Fatalf("metadata = %#v, want chunk bounds", chunk.Metadata)
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}
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}
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func TestChunkExactBoundaries(t *testing.T) {
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result, err := New().Chunk(context.Background(), contracts.ChunkRequest{
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Source: testSource(6),
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Options: map[string]any{"max_units": 2},
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})
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if err != nil {
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t.Fatalf("Chunk() error = %v, want nil", err)
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}
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if got := chunkIDs(result.Chunks); !reflect.DeepEqual(got, []string{"chunk-000001", "chunk-000002", "chunk-000003"}) {
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t.Fatalf("chunk IDs = %#v, want stable IDs", got)
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}
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gotUnits := [][]string{unitIDs(result.Chunks[0].Units), unitIDs(result.Chunks[1].Units), unitIDs(result.Chunks[2].Units)}
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wantUnits := [][]string{{"u001", "u002"}, {"u003", "u004"}, {"u005", "u006"}}
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if !reflect.DeepEqual(gotUnits, wantUnits) {
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t.Fatalf("chunk units = %#v, want %#v", gotUnits, wantUnits)
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}
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}
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func TestChunkOverlap(t *testing.T) {
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result, err := New().Chunk(context.Background(), contracts.ChunkRequest{
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Source: testSource(7),
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Options: map[string]any{"max_units": 3, "overlap_units": 1},
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})
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if err != nil {
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t.Fatalf("Chunk() error = %v, want nil", err)
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}
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gotUnits := make([][]string, 0, len(result.Chunks))
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for _, chunk := range result.Chunks {
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gotUnits = append(gotUnits, unitIDs(chunk.Units))
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}
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wantUnits := [][]string{{"u001", "u002", "u003"}, {"u003", "u004", "u005"}, {"u005", "u006", "u007"}}
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if !reflect.DeepEqual(gotUnits, wantUnits) {
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t.Fatalf("chunk units = %#v, want %#v", gotUnits, wantUnits)
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}
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}
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func TestChunkRejectsInvalidOptions(t *testing.T) {
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tests := []struct {
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name string
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options map[string]any
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want string
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}{
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{name: "max wrong type", options: map[string]any{"max_units": "2"}, want: "max_units"},
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{name: "max fractional", options: map[string]any{"max_units": 1.5}, want: "integer"},
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{name: "max zero", options: map[string]any{"max_units": 0}, want: "positive"},
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{name: "overlap negative", options: map[string]any{"overlap_units": -1}, want: "non-negative"},
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{name: "overlap too large", options: map[string]any{"max_units": 2, "overlap_units": 2}, want: "less than"},
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{name: "json number", options: map[string]any{"max_units": json.Number("bad")}, want: "integer"},
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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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_, err := New().Chunk(context.Background(), contracts.ChunkRequest{
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Source: testSource(3),
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Options: test.options,
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})
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if err == nil {
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t.Fatal("Chunk() error = nil, want error")
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}
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if !strings.Contains(err.Error(), "generic chunker") || !strings.Contains(err.Error(), test.want) {
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t.Fatalf("Chunk() error = %q, want module context and %q", err.Error(), test.want)
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}
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})
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}
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}
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func TestChunkRejectsEmptySource(t *testing.T) {
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doc := testSource(1)
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doc.Units = nil
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_, err := New().Chunk(context.Background(), contracts.ChunkRequest{Source: doc})
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if err == nil {
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t.Fatal("Chunk() error = nil, want empty source error")
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}
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if !strings.Contains(err.Error(), "generic chunker") || !strings.Contains(err.Error(), "units") {
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t.Fatalf("Chunk() error = %q, want empty source context", err.Error())
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}
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}
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func TestChunkDefensivelyCopiesUnits(t *testing.T) {
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doc := testSource(2)
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result, err := New().Chunk(context.Background(), contracts.ChunkRequest{
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Source: doc,
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Options: map[string]any{"max_units": 1},
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})
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if err != nil {
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t.Fatalf("Chunk() error = %v, want nil", err)
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}
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if len(result.Chunks) != 2 {
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t.Fatalf("len(Chunks) = %d, want 2", len(result.Chunks))
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}
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doc.Units[0].ID = "changed"
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doc.Units[0].Metadata["speaker"] = "changed"
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if result.Chunks[0].Units[0].ID != "u001" {
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t.Fatalf("chunk unit ID changed after source mutation: %#v", result.Chunks[0].Units[0])
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}
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if result.Chunks[0].Units[0].Metadata["speaker"] != "speaker-001" {
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t.Fatalf("chunk unit metadata changed after source mutation: %#v", result.Chunks[0].Units[0].Metadata)
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}
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}
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func testSource(count int) *source.SourceDocument {
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units := make([]source.SourceUnit, 0, count)
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for i := 1; i <= count; i++ {
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id := "u" + zeroPad3(i)
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units = append(units, source.SourceUnit{
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ID: id,
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Kind: "unit",
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Text: "Text for " + id,
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Metadata: map[string]any{
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"speaker": "speaker-" + zeroPad3(i),
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},
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})
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}
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return &source.SourceDocument{
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ID: "source-1",
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Kind: "document",
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Format: "text/plain",
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Digest: "sha256:source",
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Units: units,
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}
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}
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func zeroPad3(value int) string {
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return fmt.Sprintf("%03d", value)
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}
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func chunkIDs(chunks []contracts.SourceChunk) []string {
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ids := make([]string, 0, len(chunks))
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for _, chunk := range chunks {
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ids = append(ids, chunk.ID)
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}
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return ids
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}
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func unitIDs(units []source.SourceUnit) []string {
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ids := make([]string, 0, len(units))
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for _, unit := range units {
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ids = append(ids, unit.ID)
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}
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return ids
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}
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