Add core source model validation

This commit is contained in:
2026-07-03 06:03:57 +00:00
parent 0c68d3f727
commit 9431719db6
3 changed files with 393 additions and 0 deletions

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package source
type SourceDocument struct {
ID string `json:"id"`
Kind string `json:"kind"`
Format string `json:"format"`
Digest string `json:"digest"`
Units []SourceUnit `json:"units"`
Metadata map[string]any `json:"metadata,omitempty"`
}
type SourceUnit struct {
ID string `json:"id"`
Kind string `json:"kind"`
Text string `json:"text"`
Metadata map[string]any `json:"metadata,omitempty"`
}
type SourceRef struct {
SourceID string `json:"source_id"`
StartUnitID string `json:"start_unit_id"`
EndUnitID string `json:"end_unit_id"`
}

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package source
import (
"strings"
"testing"
)
func TestValidateDocumentValid(t *testing.T) {
doc := validDocument()
if err := ValidateDocument(doc); err != nil {
t.Fatalf("ValidateDocument() error = %v, want nil", err)
}
}
func TestValidateDocumentNil(t *testing.T) {
err := ValidateDocument(nil)
if err == nil {
t.Fatal("ValidateDocument() error = nil, want error")
}
if err.Error() != "source document must not be nil" {
t.Fatalf("ValidateDocument() error = %q", err.Error())
}
}
func TestValidateDocumentMissingFields(t *testing.T) {
tests := []struct {
name string
mutate func(*SourceDocument)
wantErr string
}{
{
name: "id",
mutate: func(doc *SourceDocument) { doc.ID = " \t" },
wantErr: "source document id must not be empty",
},
{
name: "kind",
mutate: func(doc *SourceDocument) { doc.Kind = "" },
wantErr: "source document kind must not be empty",
},
{
name: "format",
mutate: func(doc *SourceDocument) { doc.Format = "\n" },
wantErr: "source document format must not be empty",
},
{
name: "digest",
mutate: func(doc *SourceDocument) { doc.Digest = "" },
wantErr: "source document digest must not be empty",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
doc := validDocument()
tt.mutate(doc)
err := ValidateDocument(doc)
if err == nil {
t.Fatal("ValidateDocument() error = nil, want error")
}
if err.Error() != tt.wantErr {
t.Fatalf("ValidateDocument() error = %q, want %q", err.Error(), tt.wantErr)
}
})
}
}
func TestValidateDocumentEmptyUnits(t *testing.T) {
doc := validDocument()
doc.Units = nil
err := ValidateDocument(doc)
if err == nil {
t.Fatal("ValidateDocument() error = nil, want error")
}
if err.Error() != "source document units must not be empty" {
t.Fatalf("ValidateDocument() error = %q", err.Error())
}
}
func TestValidateDocumentMissingUnitFields(t *testing.T) {
tests := []struct {
name string
mutate func(*SourceDocument)
wantErr string
}{
{
name: "id",
mutate: func(doc *SourceDocument) { doc.Units[1].ID = "" },
wantErr: "source unit[1].id must not be empty",
},
{
name: "kind",
mutate: func(doc *SourceDocument) { doc.Units[1].Kind = " " },
wantErr: "source unit[1].kind must not be empty",
},
{
name: "text",
mutate: func(doc *SourceDocument) { doc.Units[1].Text = "\n\t" },
wantErr: "source unit[1].text must not be empty",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
doc := validDocument()
tt.mutate(doc)
err := ValidateDocument(doc)
if err == nil {
t.Fatal("ValidateDocument() error = nil, want error")
}
if err.Error() != tt.wantErr {
t.Fatalf("ValidateDocument() error = %q, want %q", err.Error(), tt.wantErr)
}
})
}
}
func TestValidateDocumentDuplicateUnitIDs(t *testing.T) {
doc := validDocument()
doc.Units[1].ID = " u1 "
err := ValidateDocument(doc)
if err == nil {
t.Fatal("ValidateDocument() error = nil, want error")
}
if err.Error() != "source unit id \"u1\" is duplicated" {
t.Fatalf("ValidateDocument() error = %q", err.Error())
}
}
func TestValidateRefValid(t *testing.T) {
doc := validDocument()
ref := SourceRef{
SourceID: "source-1",
StartUnitID: "u1",
EndUnitID: "u2",
}
if err := ValidateRef(doc, ref); err != nil {
t.Fatalf("ValidateRef() error = %v, want nil", err)
}
}
func TestValidateRefSourceIDMismatch(t *testing.T) {
doc := validDocument()
ref := SourceRef{
SourceID: "source-2",
StartUnitID: "u1",
EndUnitID: "u2",
}
err := ValidateRef(doc, ref)
if err == nil {
t.Fatal("ValidateRef() error = nil, want error")
}
if err.Error() != "source ref source_id \"source-2\" does not match document id \"source-1\"" {
t.Fatalf("ValidateRef() error = %q", err.Error())
}
}
func TestValidateRefMissingUnitIDs(t *testing.T) {
tests := []struct {
name string
ref SourceRef
wantErr string
}{
{
name: "missing source id",
ref: SourceRef{StartUnitID: "u1", EndUnitID: "u2"},
wantErr: "source ref source_id must not be empty",
},
{
name: "missing start id",
ref: SourceRef{SourceID: "source-1", EndUnitID: "u2"},
wantErr: "source ref start_unit_id must not be empty",
},
{
name: "missing end id",
ref: SourceRef{SourceID: "source-1", StartUnitID: "u1"},
wantErr: "source ref end_unit_id must not be empty",
},
{
name: "unknown start id",
ref: SourceRef{SourceID: "source-1", StartUnitID: "u9", EndUnitID: "u2"},
wantErr: "source ref start_unit_id \"u9\" was not found",
},
{
name: "unknown end id",
ref: SourceRef{SourceID: "source-1", StartUnitID: "u1", EndUnitID: "u9"},
wantErr: "source ref end_unit_id \"u9\" was not found",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
err := ValidateRef(validDocument(), tt.ref)
if err == nil {
t.Fatal("ValidateRef() error = nil, want error")
}
if err.Error() != tt.wantErr {
t.Fatalf("ValidateRef() error = %q, want %q", err.Error(), tt.wantErr)
}
})
}
}
func TestValidateRefReversedUnitOrder(t *testing.T) {
doc := validDocument()
ref := SourceRef{
SourceID: "source-1",
StartUnitID: "u2",
EndUnitID: "u1",
}
err := ValidateRef(doc, ref)
if err == nil {
t.Fatal("ValidateRef() error = nil, want error")
}
if !strings.Contains(err.Error(), "appears after") {
t.Fatalf("ValidateRef() error = %q, want reversed order error", err.Error())
}
}
func TestUnitIndex(t *testing.T) {
doc := validDocument()
index, ok := UnitIndex(doc, "u2")
if !ok {
t.Fatal("UnitIndex() ok = false, want true")
}
if index != 1 {
t.Fatalf("UnitIndex() index = %d, want 1", index)
}
index, ok = UnitIndex(doc, "u9")
if ok {
t.Fatal("UnitIndex() ok = true, want false")
}
if index != 0 {
t.Fatalf("UnitIndex() index = %d, want 0", index)
}
}
func validDocument() *SourceDocument {
return &SourceDocument{
ID: "source-1",
Kind: "document",
Format: "text/plain",
Digest: "sha256:abc123",
Units: []SourceUnit{
{
ID: "u1",
Kind: "paragraph",
Text: "First unit.",
},
{
ID: "u2",
Kind: "paragraph",
Text: "Second unit.",
},
},
}
}

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package source
import (
"fmt"
"strings"
)
func ValidateDocument(doc *SourceDocument) error {
if doc == nil {
return fmt.Errorf("source document must not be nil")
}
if isBlank(doc.ID) {
return fmt.Errorf("source document id must not be empty")
}
if isBlank(doc.Kind) {
return fmt.Errorf("source document kind must not be empty")
}
if isBlank(doc.Format) {
return fmt.Errorf("source document format must not be empty")
}
if isBlank(doc.Digest) {
return fmt.Errorf("source document digest must not be empty")
}
if len(doc.Units) == 0 {
return fmt.Errorf("source document units must not be empty")
}
seenUnitIDs := make(map[string]struct{}, len(doc.Units))
for i, unit := range doc.Units {
unitID := strings.TrimSpace(unit.ID)
if unitID == "" {
return fmt.Errorf("source unit[%d].id must not be empty", i)
}
if isBlank(unit.Kind) {
return fmt.Errorf("source unit[%d].kind must not be empty", i)
}
if isBlank(unit.Text) {
return fmt.Errorf("source unit[%d].text must not be empty", i)
}
if _, ok := seenUnitIDs[unitID]; ok {
return fmt.Errorf("source unit id %q is duplicated", unitID)
}
seenUnitIDs[unitID] = struct{}{}
}
return nil
}
func ValidateRef(doc *SourceDocument, ref SourceRef) error {
if doc == nil {
return fmt.Errorf("source document must not be nil")
}
if isBlank(ref.SourceID) {
return fmt.Errorf("source ref source_id must not be empty")
}
if isBlank(ref.StartUnitID) {
return fmt.Errorf("source ref start_unit_id must not be empty")
}
if isBlank(ref.EndUnitID) {
return fmt.Errorf("source ref end_unit_id must not be empty")
}
if ref.SourceID != doc.ID {
return fmt.Errorf("source ref source_id %q does not match document id %q", ref.SourceID, doc.ID)
}
startIndex, ok := UnitIndex(doc, ref.StartUnitID)
if !ok {
return fmt.Errorf("source ref start_unit_id %q was not found", ref.StartUnitID)
}
endIndex, ok := UnitIndex(doc, ref.EndUnitID)
if !ok {
return fmt.Errorf("source ref end_unit_id %q was not found", ref.EndUnitID)
}
if startIndex > endIndex {
return fmt.Errorf("source ref start_unit_id %q appears after end_unit_id %q", ref.StartUnitID, ref.EndUnitID)
}
return nil
}
func UnitIndex(doc *SourceDocument, unitID string) (int, bool) {
if doc == nil {
return 0, false
}
for i, unit := range doc.Units {
if unit.ID == unitID {
return i, true
}
}
return 0, false
}
func isBlank(value string) bool {
return strings.TrimSpace(value) == ""
}