Implement integer source units and chunk payloads

This commit is contained in:
2026-07-07 18:34:23 +00:00
parent 4f057b99ac
commit 9e3f8809b3
45 changed files with 618 additions and 451 deletions

View File

@@ -150,8 +150,8 @@ func (adapter compositionAdapter) Parse(ctx context.Context, req contracts.Parse
Format: "text/plain",
Digest: "sha256:abc123",
Units: []source.SourceUnit{
{ID: "u1", Kind: "unit", Text: "First source unit."},
{ID: "u2", Kind: "unit", Text: "Second source unit."},
{ID: 1, Kind: "unit", Text: "First source unit."},
{ID: 2, Kind: "unit", Text: "Second source unit."},
},
}, nil
}
@@ -177,11 +177,15 @@ func (chunker compositionChunker) Chunk(ctx context.Context, req contracts.Chunk
return contracts.ChunkResult{
Chunks: []contracts.SourceChunk{
{
ID: req.Source.ID + ":chunk:0",
SourceID: req.Source.ID,
Index: 0,
Units: append([]source.SourceUnit(nil), req.Source.Units...),
Metadata: map[string]any{"strategy": "whole-document"},
ID: req.Source.ID + ":chunk:0",
SourceID: req.Source.ID,
Index: 0,
StartUnitID: req.Source.Units[0].ID,
EndUnitID: req.Source.Units[len(req.Source.Units)-1].ID,
Content: []byte(`{"units":[{"id":1,"kind":"unit","text":"First source unit."},{"id":2,"kind":"unit","text":"Second source unit."}]}`),
MediaType: "application/json",
Units: append([]source.SourceUnit(nil), req.Source.Units...),
Metadata: map[string]any{"strategy": "whole-document"},
},
},
}, nil

View File

@@ -89,11 +89,15 @@ type InputAdapter interface {
}
type SourceChunk struct {
ID string `json:"id"`
SourceID string `json:"source_id"`
Index int `json:"index"`
Units []source.SourceUnit `json:"units"`
Metadata map[string]any `json:"metadata,omitempty"`
ID string `json:"id"`
SourceID string `json:"source_id"`
Index int `json:"index"`
StartUnitID int `json:"start_unit_id"`
EndUnitID int `json:"end_unit_id"`
Content []byte `json:"-"`
MediaType string `json:"media_type"`
Units []source.SourceUnit `json:"units"`
Metadata map[string]any `json:"metadata,omitempty"`
}
type ChunkRequest struct {

View File

@@ -33,7 +33,7 @@ func TestFakeExtractorReturnsCandidateAndValidator(t *testing.T) {
Format: "text/plain",
Digest: "sha256:abc123",
Units: []source.SourceUnit{
{ID: "u1", Kind: "section", Text: "Source text."},
{ID: 1, Kind: "section", Text: "Source text."},
},
}
@@ -86,7 +86,7 @@ func TestFakeChunkerReturnsSourceChunks(t *testing.T) {
Format: "text/plain",
Digest: "sha256:abc123",
Units: []source.SourceUnit{
{ID: "u1", Kind: "section", Text: "Source text."},
{ID: 1, Kind: "section", Text: "Source text."},
},
}
chunker := fakeChunker{key: "generic-chunker"}
@@ -113,6 +113,12 @@ func TestFakeChunkerReturnsSourceChunks(t *testing.T) {
if chunk.Index != 0 {
t.Fatalf("SourceChunk.Index = %d, want 0", chunk.Index)
}
if chunk.StartUnitID != 1 || chunk.EndUnitID != 1 {
t.Fatalf("SourceChunk boundaries = %d-%d, want 1-1", chunk.StartUnitID, chunk.EndUnitID)
}
if chunk.MediaType != "application/json" || string(chunk.Content) != `{"units":[{"id":1,"kind":"section","text":"Source text."}]}` {
t.Fatalf("SourceChunk payload = %q %s, want JSON units", chunk.MediaType, chunk.Content)
}
if len(chunk.Units) != 1 {
t.Fatalf("len(SourceChunk.Units) = %d, want 1", len(chunk.Units))
}
@@ -125,7 +131,7 @@ func TestFakeChunkerReceivesLLMClient(t *testing.T) {
Format: "text/plain",
Digest: "sha256:abc123",
Units: []source.SourceUnit{
{ID: "u1", Kind: "section", Text: "Source text."},
{ID: 1, Kind: "section", Text: "Source text."},
},
}
client := fakeLLMClient{}
@@ -151,15 +157,19 @@ func TestFakeExtractorReceivesChunkAndAmbientContext(t *testing.T) {
Format: "text/plain",
Digest: "sha256:abc123",
Units: []source.SourceUnit{
{ID: "u1", Kind: "section", Text: "First source text."},
{ID: "u2", Kind: "section", Text: "Second source text."},
{ID: 1, Kind: "section", Text: "First source text."},
{ID: 2, Kind: "section", Text: "Second source text."},
},
}
chunk := SourceChunk{
ID: "source-1:chunk:1",
SourceID: doc.ID,
Index: 1,
Units: []source.SourceUnit{doc.Units[1]},
ID: "source-1:chunk:1",
SourceID: doc.ID,
Index: 1,
StartUnitID: 2,
EndUnitID: 2,
Content: []byte(`{"units":[{"id":2,"kind":"section","text":"Second source text."}]}`),
MediaType: "application/json",
Units: []source.SourceUnit{doc.Units[1]},
}
result, err := extractor.Extract(context.Background(), ExtractionRequest{
@@ -182,8 +192,8 @@ func TestFakeExtractorReceivesChunkAndAmbientContext(t *testing.T) {
t.Fatalf("len(SourceRefs) = %d, want 1", len(candidate.SourceRefs))
}
ref := candidate.SourceRefs[0]
if ref.StartUnitID != "u2" || ref.EndUnitID != "u2" {
t.Fatalf("SourceRef = %+v, want u2 range", ref)
if ref.StartUnitID != 2 || ref.EndUnitID != 2 {
t.Fatalf("SourceRef = %+v, want unit 2 range", ref)
}
}
@@ -365,7 +375,7 @@ func TestFakeMergeNormalizeAndOutputContracts(t *testing.T) {
SourceID: "source-1",
Index: 0,
Units: []source.SourceUnit{
{ID: "u1", Kind: "section", Text: "Source text."},
{ID: 1, Kind: "section", Text: "Source text."},
},
}
merger := fakeMerger{key: "generic-merger"}
@@ -487,10 +497,14 @@ func (chunker fakeChunker) Chunk(ctx context.Context, req ChunkRequest) (ChunkRe
return ChunkResult{
Chunks: []SourceChunk{
{
ID: req.Source.ID + ":chunk:0",
SourceID: req.Source.ID,
Index: 0,
Units: append([]source.SourceUnit(nil), req.Source.Units...),
ID: req.Source.ID + ":chunk:0",
SourceID: req.Source.ID,
Index: 0,
StartUnitID: req.Source.Units[0].ID,
EndUnitID: req.Source.Units[len(req.Source.Units)-1].ID,
Content: []byte(`{"units":[{"id":1,"kind":"section","text":"Source text."}]}`),
MediaType: "application/json",
Units: append([]source.SourceUnit(nil), req.Source.Units...),
},
},
}, nil

View File

@@ -9,8 +9,12 @@ import (
)
func validateAndCanonicalizeChunkResult(doc *source.SourceDocument, chunks []contracts.SourceChunk) ([]contracts.SourceChunk, error) {
sourceUnitIndexes := make(map[string]int, len(doc.Units))
sourceUnits := make(map[string]source.SourceUnit, len(doc.Units))
if len(chunks) == 0 {
return nil, fmt.Errorf("chunks must not be empty")
}
sourceUnitIndexes := make(map[int]int, len(doc.Units))
sourceUnits := make(map[int]source.SourceUnit, len(doc.Units))
for index, unit := range doc.Units {
sourceUnitIndexes[unit.ID] = index
sourceUnits[unit.ID] = unit
@@ -33,25 +37,42 @@ func validateAndCanonicalizeChunkResult(doc *source.SourceDocument, chunks []con
if chunk.Index != chunkIndex {
return nil, fmt.Errorf("chunk %q index %d does not match returned order %d", chunk.ID, chunk.Index, chunkIndex)
}
startIndex, ok := sourceUnitIndexes[chunk.StartUnitID]
if !ok {
return nil, fmt.Errorf("chunk %q start_unit_id %d was not found in source document %q", chunk.ID, chunk.StartUnitID, doc.ID)
}
endIndex, ok := sourceUnitIndexes[chunk.EndUnitID]
if !ok {
return nil, fmt.Errorf("chunk %q end_unit_id %d was not found in source document %q", chunk.ID, chunk.EndUnitID, doc.ID)
}
if startIndex > endIndex {
return nil, fmt.Errorf("chunk %q start_unit_id %d appears after end_unit_id %d", chunk.ID, chunk.StartUnitID, chunk.EndUnitID)
}
if len(chunk.Units) == 0 {
return nil, fmt.Errorf("chunk %q units must not be empty", chunk.ID)
}
if len(chunk.Content) == 0 {
return nil, fmt.Errorf("chunk %q content must not be empty", chunk.ID)
}
if strings.TrimSpace(chunk.MediaType) == "" {
return nil, fmt.Errorf("chunk %q media_type must not be empty", chunk.ID)
}
seenUnitIDs := make(map[string]struct{}, len(chunk.Units))
seenUnitIDs := make(map[int]struct{}, len(chunk.Units))
previousSourceIndex := -1
canonicalUnits := make([]source.SourceUnit, 0, len(chunk.Units))
for unitIndex, unit := range chunk.Units {
if strings.TrimSpace(unit.ID) == "" {
return nil, fmt.Errorf("chunk %q unit[%d].id must not be empty", chunk.ID, unitIndex)
if unit.ID <= 0 {
return nil, fmt.Errorf("chunk %q unit[%d].id must be positive", chunk.ID, unitIndex)
}
if _, ok := seenUnitIDs[unit.ID]; ok {
return nil, fmt.Errorf("chunk %q repeats source unit %q", chunk.ID, unit.ID)
return nil, fmt.Errorf("chunk %q repeats source unit %d", chunk.ID, unit.ID)
}
seenUnitIDs[unit.ID] = struct{}{}
sourceIndex, ok := sourceUnitIndexes[unit.ID]
if !ok {
return nil, fmt.Errorf("chunk %q source unit %q was not found in source document %q", chunk.ID, unit.ID, doc.ID)
return nil, fmt.Errorf("chunk %q source unit %d was not found in source document %q", chunk.ID, unit.ID, doc.ID)
}
if sourceIndex <= previousSourceIndex {
return nil, fmt.Errorf("chunk %q source units must appear in source document order", chunk.ID)
@@ -61,11 +82,15 @@ func validateAndCanonicalizeChunkResult(doc *source.SourceDocument, chunks []con
}
canonicalChunks = append(canonicalChunks, contracts.SourceChunk{
ID: chunk.ID,
SourceID: chunk.SourceID,
Index: chunk.Index,
Units: canonicalUnits,
Metadata: cloneMetadata(chunk.Metadata),
ID: chunk.ID,
SourceID: chunk.SourceID,
Index: chunk.Index,
StartUnitID: chunk.StartUnitID,
EndUnitID: chunk.EndUnitID,
Content: append([]byte(nil), chunk.Content...),
MediaType: chunk.MediaType,
Units: canonicalUnits,
Metadata: cloneMetadata(chunk.Metadata),
})
}

View File

@@ -301,7 +301,7 @@ func (adapter fakeAdapter) Parse(ctx context.Context, req contracts.ParseRequest
Format: "text/plain",
Digest: "sha256:abc123",
Units: []source.SourceUnit{
{ID: "u1", Kind: "unit", Text: "Source unit."},
{ID: 1, Kind: "unit", Text: "Source unit."},
},
}, nil
}

View File

@@ -126,10 +126,14 @@ func (chunker integrationChunker) Chunk(ctx context.Context, req contracts.Chunk
return contracts.ChunkResult{
Chunks: []contracts.SourceChunk{
{
ID: "chunk-0",
SourceID: req.Source.ID,
Index: 0,
Units: req.Source.Units,
ID: "chunk-0",
SourceID: req.Source.ID,
Index: 0,
StartUnitID: req.Source.Units[0].ID,
EndUnitID: req.Source.Units[len(req.Source.Units)-1].ID,
Content: []byte(`{"units":[1]}`),
MediaType: "application/json",
Units: req.Source.Units,
},
},
}, nil
@@ -267,7 +271,7 @@ func integrationSourceDocument() *source.SourceDocument {
Format: "text/plain",
Digest: "sha256:abc123",
Units: []source.SourceUnit{
{ID: "u1", Kind: "unit", Text: "Source unit."},
{ID: 1, Kind: "unit", Text: "Source unit."},
},
}
}

View File

@@ -264,45 +264,70 @@ func TestRunRejectsInvalidChunks(t *testing.T) {
}{
{
name: "empty chunk id",
chunks: []contracts.SourceChunk{{ID: "", SourceID: "source-1", Index: 0, Units: []source.SourceUnit{unitWithID("u1")}}},
chunks: []contracts.SourceChunk{chunkWithUnits("", "source-1", 0, unitWithID("u1"))},
want: "id must not be empty",
},
{
name: "duplicate chunk id",
chunks: []contracts.SourceChunk{
{ID: "chunk-0", SourceID: "source-1", Index: 0, Units: []source.SourceUnit{unitWithID("u1")}},
{ID: "chunk-0", SourceID: "source-1", Index: 1, Units: []source.SourceUnit{unitWithID("u2")}},
chunkWithUnits("chunk-0", "source-1", 0, unitWithID("u1")),
chunkWithUnits("chunk-0", "source-1", 1, unitWithID("u2")),
},
want: "duplicated",
},
{
name: "wrong source id",
chunks: []contracts.SourceChunk{{ID: "chunk-0", SourceID: "other-source", Index: 0, Units: []source.SourceUnit{unitWithID("u1")}}},
chunks: []contracts.SourceChunk{chunkWithUnits("chunk-0", "other-source", 0, unitWithID("u1"))},
want: "source_id",
},
{
name: "wrong index",
chunks: []contracts.SourceChunk{{ID: "chunk-0", SourceID: "source-1", Index: 1, Units: []source.SourceUnit{unitWithID("u1")}}},
chunks: []contracts.SourceChunk{chunkWithUnits("chunk-0", "source-1", 1, unitWithID("u1"))},
want: "index",
},
{
name: "unknown start id",
chunks: []contracts.SourceChunk{chunkWithBounds("chunk-0", "source-1", 0, 9, 1, unitWithID("u1"))},
want: "start_unit_id",
},
{
name: "unknown end id",
chunks: []contracts.SourceChunk{chunkWithBounds("chunk-0", "source-1", 0, 1, 9, unitWithID("u1"))},
want: "end_unit_id",
},
{
name: "reversed bounds",
chunks: []contracts.SourceChunk{chunkWithBounds("chunk-0", "source-1", 0, 2, 1, unitWithID("u1"), unitWithID("u2"))},
want: "appears after",
},
{
name: "empty units",
chunks: []contracts.SourceChunk{{ID: "chunk-0", SourceID: "source-1", Index: 0}},
chunks: []contracts.SourceChunk{{ID: "chunk-0", SourceID: "source-1", Index: 0, StartUnitID: 1, EndUnitID: 1, Content: []byte(`{"units":[]}`), MediaType: "application/json"}},
want: "units must not be empty",
},
{
name: "empty content",
chunks: []contracts.SourceChunk{{ID: "chunk-0", SourceID: "source-1", Index: 0, StartUnitID: 1, EndUnitID: 1, MediaType: "application/json", Units: []source.SourceUnit{unitWithID("u1")}}},
want: "content must not be empty",
},
{
name: "empty media type",
chunks: []contracts.SourceChunk{{ID: "chunk-0", SourceID: "source-1", Index: 0, StartUnitID: 1, EndUnitID: 1, Content: []byte(`{"units":[1]}`), Units: []source.SourceUnit{unitWithID("u1")}}},
want: "media_type must not be empty",
},
{
name: "repeated unit inside chunk",
chunks: []contracts.SourceChunk{{ID: "chunk-0", SourceID: "source-1", Index: 0, Units: []source.SourceUnit{unitWithID("u1"), unitWithID("u1")}}},
chunks: []contracts.SourceChunk{chunkWithUnits("chunk-0", "source-1", 0, unitWithID("u1"), unitWithID("u1"))},
want: "repeats source unit",
},
{
name: "unknown unit",
chunks: []contracts.SourceChunk{{ID: "chunk-0", SourceID: "source-1", Index: 0, Units: []source.SourceUnit{unitWithID("u9")}}},
chunks: []contracts.SourceChunk{chunkWithUnits("chunk-0", "source-1", 0, unitWithID("u9"))},
want: "was not found",
},
{
name: "units out of source order",
chunks: []contracts.SourceChunk{{ID: "chunk-0", SourceID: "source-1", Index: 0, Units: []source.SourceUnit{unitWithID("u2"), unitWithID("u1")}}},
chunks: []contracts.SourceChunk{chunkWithBounds("chunk-0", "source-1", 0, 1, 2, unitWithID("u2"), unitWithID("u1"))},
want: "source document order",
},
}
@@ -328,8 +353,8 @@ func TestRunRejectsInvalidChunks(t *testing.T) {
func TestRunAllowsPartialCoverageAndOverlappingChunks(t *testing.T) {
modules := defaultRunnerModules()
modules.chunker.chunks = []contracts.SourceChunk{
{ID: "chunk-0", SourceID: "source-1", Index: 0, Units: []source.SourceUnit{unitWithID("u1"), unitWithID("u2")}},
{ID: "chunk-1", SourceID: "source-1", Index: 1, Units: []source.SourceUnit{unitWithID("u2")}},
chunkWithUnits("chunk-0", "source-1", 0, unitWithID("u1"), unitWithID("u2")),
chunkWithUnits("chunk-1", "source-1", 1, unitWithID("u2")),
}
output, err := New(newRunnerRegistries(t, modules)).Run(context.Background(), RunInput{Pipeline: resolvedPipeline()})
@@ -346,12 +371,16 @@ func TestRunCanonicalizesChunkUnitsBeforeExtraction(t *testing.T) {
modules.input.doc = sourceDocumentWithUnitMetadata()
modules.chunker.chunks = []contracts.SourceChunk{
{
ID: "chunk-0",
SourceID: "source-1",
Index: 0,
ID: "chunk-0",
SourceID: "source-1",
Index: 0,
StartUnitID: 1,
EndUnitID: 1,
Content: []byte(`{"units":[{"id":1}]}`),
MediaType: "application/json",
Units: []source.SourceUnit{
{
ID: "u1",
ID: 1,
Kind: "mutated-kind",
Text: "mutated text",
Metadata: map[string]any{
@@ -380,7 +409,7 @@ func TestRunCanonicalizesChunkUnitsBeforeExtraction(t *testing.T) {
if chunk == nil {
t.Fatal("extractor chunk = nil, want canonical chunk")
}
if chunk.Units[0].ID != "u1" || chunk.Units[0].Kind != "source-kind" || chunk.Units[0].Text != "source text" {
if chunk.Units[0].ID != 1 || chunk.Units[0].Kind != "source-kind" || chunk.Units[0].Text != "source text" {
t.Fatalf("chunk unit = %#v, want source document unit values", chunk.Units[0])
}
if got := chunk.Units[0].Metadata["speaker"]; got != "source-speaker" {
@@ -402,9 +431,13 @@ func TestRunPreservesChunkMetadataDuringCanonicalization(t *testing.T) {
modules := defaultRunnerModules()
modules.chunker.chunks = []contracts.SourceChunk{
{
ID: "chunk-0",
SourceID: "source-1",
Index: 0,
ID: "chunk-0",
SourceID: "source-1",
Index: 0,
StartUnitID: 1,
EndUnitID: 1,
Content: []byte(`{"units":[{"id":1}]}`),
MediaType: "application/json",
Units: []source.SourceUnit{
unitWithID("u1"),
},
@@ -1739,9 +1772,9 @@ func validSourceDocument() *source.SourceDocument {
Format: "text/plain",
Digest: "sha256:source",
Units: []source.SourceUnit{
{ID: "u1", Kind: "unit", Text: "Source unit."},
{ID: "u2", Kind: "unit", Text: "Second source unit."},
{ID: "u3", Kind: "unit", Text: "Third source unit."},
{ID: 1, Kind: "unit", Text: "Source unit."},
{ID: 2, Kind: "unit", Text: "Second source unit."},
{ID: 3, Kind: "unit", Text: "Third source unit."},
},
}
}
@@ -1754,7 +1787,7 @@ func sourceDocumentWithUnitMetadata() *source.SourceDocument {
Digest: "sha256:source",
Units: []source.SourceUnit{
{
ID: "u1",
ID: 1,
Kind: "source-kind",
Text: "source text",
Metadata: map[string]any{
@@ -1763,7 +1796,7 @@ func sourceDocumentWithUnitMetadata() *source.SourceDocument {
},
},
{
ID: "u2",
ID: 2,
Kind: "source-kind",
Text: "second source text",
Metadata: map[string]any{
@@ -1775,26 +1808,53 @@ func sourceDocumentWithUnitMetadata() *source.SourceDocument {
}
func sourceChunkWithID(id string, index int) contracts.SourceChunk {
unit := unitWithID("u1")
return contracts.SourceChunk{
ID: id,
SourceID: "source-1",
Index: index,
Units: []source.SourceUnit{
{ID: "u1", Kind: "unit", Text: "Source unit."},
},
ID: id,
SourceID: "source-1",
Index: index,
StartUnitID: unit.ID,
EndUnitID: unit.ID,
Content: []byte(`{"units":[{"id":1,"kind":"unit","text":"Source unit."}]}`),
MediaType: "application/json",
Units: []source.SourceUnit{unit},
}
}
func unitWithID(id string) source.SourceUnit {
switch id {
case "u1":
return source.SourceUnit{ID: "u1", Kind: "unit", Text: "Source unit."}
return source.SourceUnit{ID: 1, Kind: "unit", Text: "Source unit."}
case "u2":
return source.SourceUnit{ID: "u2", Kind: "unit", Text: "Second source unit."}
return source.SourceUnit{ID: 2, Kind: "unit", Text: "Second source unit."}
case "u3":
return source.SourceUnit{ID: "u3", Kind: "unit", Text: "Third source unit."}
return source.SourceUnit{ID: 3, Kind: "unit", Text: "Third source unit."}
case "u9":
return source.SourceUnit{ID: 9, Kind: "unit", Text: "Unknown source unit."}
default:
return source.SourceUnit{ID: id, Kind: "unit", Text: "Unknown source unit."}
return source.SourceUnit{ID: 99, Kind: "unit", Text: "Unknown source unit."}
}
}
func chunkWithUnits(id string, sourceID string, index int, units ...source.SourceUnit) contracts.SourceChunk {
startUnitID, endUnitID := 1, 1
if len(units) > 0 {
startUnitID = units[0].ID
endUnitID = units[len(units)-1].ID
}
return chunkWithBounds(id, sourceID, index, startUnitID, endUnitID, units...)
}
func chunkWithBounds(id string, sourceID string, index int, startUnitID int, endUnitID int, units ...source.SourceUnit) contracts.SourceChunk {
return contracts.SourceChunk{
ID: id,
SourceID: sourceID,
Index: index,
StartUnitID: startUnitID,
EndUnitID: endUnitID,
Content: []byte(`{"units":[1]}`),
MediaType: "application/json",
Units: append([]source.SourceUnit(nil), units...),
}
}

View File

@@ -2,15 +2,15 @@
"id": "fixture-source",
"units": [
{
"id": "u1",
"id": 1,
"text": "First event."
},
{
"id": "u2",
"id": 2,
"text": "Second event."
},
{
"id": "u3",
"id": 3,
"text": "Third event."
}
]

View File

@@ -25,8 +25,8 @@
"source_refs": [
{
"source_id": "fixture-source",
"start_unit_id": "u1",
"end_unit_id": "u2"
"start_unit_id": 1,
"end_unit_id": 2
}
]
},
@@ -42,8 +42,8 @@
"source_refs": [
{
"source_id": "fixture-source",
"start_unit_id": "u3",
"end_unit_id": "u3"
"start_unit_id": 3,
"end_unit_id": 3
}
]
}

View File

@@ -185,7 +185,7 @@ func (input walkingSkeletonInput) Parse(ctx context.Context, req contracts.Parse
var fixture struct {
ID string `json:"id"`
Units []struct {
ID string `json:"id"`
ID int `json:"id"`
Text string `json:"text"`
} `json:"units"`
}
@@ -227,16 +227,24 @@ func (chunker walkingSkeletonChunker) Chunk(ctx context.Context, req contracts.C
return contracts.ChunkResult{
Chunks: []contracts.SourceChunk{
{
ID: req.Source.ID + ":chunk:0",
SourceID: req.Source.ID,
Index: 0,
Units: append([]source.SourceUnit(nil), req.Source.Units[:2]...),
ID: req.Source.ID + ":chunk:0",
SourceID: req.Source.ID,
Index: 0,
StartUnitID: req.Source.Units[0].ID,
EndUnitID: req.Source.Units[1].ID,
Content: []byte(`{"units":[1,2]}`),
MediaType: "application/json",
Units: append([]source.SourceUnit(nil), req.Source.Units[:2]...),
},
{
ID: req.Source.ID + ":chunk:1",
SourceID: req.Source.ID,
Index: 1,
Units: append([]source.SourceUnit(nil), req.Source.Units[2:]...),
ID: req.Source.ID + ":chunk:1",
SourceID: req.Source.ID,
Index: 1,
StartUnitID: req.Source.Units[2].ID,
EndUnitID: req.Source.Units[len(req.Source.Units)-1].ID,
Content: []byte(`{"units":[3]}`),
MediaType: "application/json",
Units: append([]source.SourceUnit(nil), req.Source.Units[2:]...),
},
},
}, nil