Files
lenz-web/xmlmodels/letter_test.go
2025-09-17 18:51:51 +02:00

546 lines
15 KiB
Go

package xmlmodels
import (
"encoding/xml"
"io"
"os"
"strings"
"testing"
)
// Test data from real briefe.xml
const testLetter1 = `<letterText letter="1">
<page index="1" /><align pos="right">HochEdelgeborner Hochgelahrter Herr <aq>Secretair</aq></align>
<line type="break" tab="7" /><align pos="right">Verehrungswürdigster Gönner!</align>
<line type="empty" />
Ew. HochEdelgebh: haben mich durch die neue Probe von Dero schätzbaren Gewogenheit ausserorndtlich beschämt.
<page index="2" />lasse mich noch lange das Glück genießen, Dieselben in dem blühendsten Wohlstande zu sehen.
<line type="break" /><align pos="right">gehorsamsten Diener
<line type="break" />Jacob Michael Reinhold Lenz</align>
</letterText>`
const testLetterWithSidenote = `<letterText letter="2">
<page index="1" />Text before sidenote.
<sidenote pos="left" page="1" annotation="am linken Rand der zweiten Seite">Ich umarme Dich und küsse Dich 1000mahl als Dein
<line type="break" />allergetreuester Bruder
<line type="break" />Jacob Michael Reinhold Lenz.</sidenote>
More text after sidenote.
</letterText>`
const testLetterComplexStructure = `<letterText letter="3">
<page index="1" />
<align pos="center">Verehrungswürdigste Eltern!</align>
<line type="empty" />
Nach einer langsamen Reise sind wir angekommen.
<page index="2" />
Die Wittwe ist eine <aq>simple</aq> Frau.
<hand ref="42">Hand reference content</hand>
Final content.
<page index="3" />
Last page content with <b>markup</b>.
</letterText>`
func TestNewTokenFromXMLToken(t *testing.T) {
tests := []struct {
name string
xmlToken xml.Token
stack []string
index int
expected Token
}{
{
name: "StartElement with attributes",
xmlToken: xml.StartElement{Name: xml.Name{Local: "page"}, Attr: []xml.Attr{{Name: xml.Name{Local: "index"}, Value: "1"}}},
stack: []string{"letterText"},
index: 5,
expected: Token{
Index: 5,
Stack: []string{"letterText"},
Attributes: map[string]string{"index": "1"},
},
},
{
name: "CharData token",
xmlToken: xml.CharData("Hello world"),
stack: []string{"letterText", "align"},
index: 10,
expected: Token{
Index: 10,
Stack: []string{"letterText", "align"},
Attributes: map[string]string{},
},
},
{
name: "EndElement token",
xmlToken: xml.EndElement{Name: xml.Name{Local: "align"}},
stack: []string{"letterText"},
index: 15,
expected: Token{
Index: 15,
Stack: []string{"letterText"},
Attributes: map[string]string{},
},
},
{
name: "Empty stack",
xmlToken: xml.StartElement{Name: xml.Name{Local: "letterText"}},
stack: []string{},
index: 0,
expected: Token{
Index: 0,
Stack: []string{},
Attributes: map[string]string{},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result := NewTokenFromXMLToken(tt.xmlToken, tt.stack, tt.index)
if result.Index != tt.expected.Index {
t.Errorf("Expected index %d, got %d", tt.expected.Index, result.Index)
}
if len(result.Stack) != len(tt.expected.Stack) {
t.Errorf("Expected stack length %d, got %d", len(tt.expected.Stack), len(result.Stack))
}
for i, expected := range tt.expected.Stack {
if result.Stack[i] != expected {
t.Errorf("Expected stack[%d] = %s, got %s", i, expected, result.Stack[i])
}
}
if len(result.Attributes) != len(tt.expected.Attributes) {
t.Errorf("Expected %d attributes, got %d", len(tt.expected.Attributes), len(result.Attributes))
}
for key, expectedValue := range tt.expected.Attributes {
if actualValue, exists := result.Attributes[key]; !exists || actualValue != expectedValue {
t.Errorf("Expected attribute %s = %s, got %s (exists: %v)", key, expectedValue, actualValue, exists)
}
}
})
}
}
func TestLetterUnmarshalXML_BasicStructure(t *testing.T) {
var letter Letter
err := xml.Unmarshal([]byte(testLetter1), &letter)
if err != nil {
t.Fatalf("Failed to unmarshal letter: %v", err)
}
// Test basic letter properties
if letter.Letter != 1 {
t.Errorf("Expected letter number 1, got %d", letter.Letter)
}
if len(letter.Pages) != 2 {
t.Errorf("Expected 2 pages, got %d", len(letter.Pages))
}
// Test page properties
for i, page := range letter.Pages {
expectedPageNo := i + 1
if page.No != expectedPageNo {
t.Errorf("Expected page %d to have No = %d, got %d", i, expectedPageNo, page.No)
}
if page.Letter != 1 {
t.Errorf("Expected page %d to have Letter = 1, got %d", i, page.Letter)
}
if len(page.Tokens) == 0 {
t.Errorf("Expected page %d to have tokens, got none", i)
}
if len(page.TokenInfo) != len(page.Tokens) {
t.Errorf("Expected page %d to have equal TokenInfo and Tokens length, got %d vs %d",
i, len(page.TokenInfo), len(page.Tokens))
}
}
// Test character data is collected
if len(letter.CharData) == 0 {
t.Error("Expected CharData to be populated")
}
if !strings.Contains(letter.CharData, "HochEdelgeborner") {
t.Error("Expected CharData to contain letter content")
}
}
func TestLetterUnmarshalXML_TokenInfo(t *testing.T) {
var letter Letter
err := xml.Unmarshal([]byte(testLetter1), &letter)
if err != nil {
t.Fatalf("Failed to unmarshal letter: %v", err)
}
// Test first page tokens and TokenInfo
page1 := letter.Pages[0]
if len(page1.TokenInfo) == 0 {
t.Fatal("Expected page 1 to have TokenInfo")
}
// Find tokens with attributes and validate TokenInfo
foundAlignToken := false
for i, tokenInfo := range page1.TokenInfo {
// Check index matches position
if tokenInfo.Index != i {
t.Errorf("Expected TokenInfo[%d] to have Index = %d, got %d", i, i, tokenInfo.Index)
}
// Check for align token (should have pos attribute)
if attr, exists := tokenInfo.Attributes["pos"]; exists && attr == "right" {
foundAlignToken = true
// Since page elements are excluded, align should be at stack depth 0 in page tokens
// (the letterText context is the parsing context, not included in individual page stacks)
}
// Stack should never be nil
if tokenInfo.Stack == nil {
t.Errorf("TokenInfo[%d] has nil stack", i)
}
// Attributes should never be nil
if tokenInfo.Attributes == nil {
t.Errorf("TokenInfo[%d] has nil attributes", i)
}
}
if !foundAlignToken {
t.Error("Expected to find align token with pos='right' attribute")
}
}
func TestLetterUnmarshalXML_WithSidenotes(t *testing.T) {
var letter Letter
err := xml.Unmarshal([]byte(testLetterWithSidenote), &letter)
if err != nil {
t.Fatalf("Failed to unmarshal letter with sidenote: %v", err)
}
// Test sidenotes
if len(letter.Pages[0].Sidenotes) != 1 {
t.Errorf("Expected 1 sidenote on page 1, got %d", len(letter.Pages[0].Sidenotes))
}
sidenote := letter.Pages[0].Sidenotes[0]
if sidenote.Position != SidenotePositionLeft {
t.Errorf("Expected sidenote position left, got %d", sidenote.Position)
}
if sidenote.Page != 1 {
t.Errorf("Expected sidenote on page 1, got %d", sidenote.Page)
}
if !strings.Contains(sidenote.Annotation, "am linken Rand") {
t.Errorf("Expected sidenote annotation to contain 'am linken Rand', got '%s'", sidenote.Annotation)
}
// Test sidenote TokenInfo
if len(sidenote.TokenInfo) != len(sidenote.Tokens) {
t.Errorf("Expected sidenote to have equal TokenInfo and Tokens length, got %d vs %d",
len(sidenote.TokenInfo), len(sidenote.Tokens))
}
// Test sidenote CharData
if !strings.Contains(sidenote.CharData, "allergetreuester Bruder") {
t.Error("Expected sidenote CharData to contain sidenote content")
}
// Verify anchor position
if sidenote.Anchor < 0 {
t.Error("Expected sidenote anchor to be set")
}
}
func TestLetterUnmarshalXML_ComplexStructure(t *testing.T) {
var letter Letter
err := xml.Unmarshal([]byte(testLetterComplexStructure), &letter)
if err != nil {
t.Fatalf("Failed to unmarshal complex letter: %v", err)
}
// Test multiple pages
if len(letter.Pages) != 3 {
t.Errorf("Expected 3 pages, got %d", len(letter.Pages))
}
// Test hands collection
foundHandRef := false
for _, page := range letter.Pages {
for _, handRef := range page.Hands {
if handRef == 42 {
foundHandRef = true
break
}
}
}
if !foundHandRef {
t.Error("Expected to find hand reference 42")
}
// Test page numbers are correct
for i, page := range letter.Pages {
expectedPageNo := i + 1
if page.No != expectedPageNo {
t.Errorf("Expected page %d, got %d", expectedPageNo, page.No)
}
}
}
func TestSidenotePosition_UnmarshalXMLAttr(t *testing.T) {
tests := []struct {
input string
expected SidenotePosition
}{
{"left", SidenotePositionLeft},
{"right", SidenotePositionRight},
{"top", SidenotePositionTop},
{"top left", SidenotePositionTopLeft},
{"top right", SidenotePositionTopRight},
{"bottom", SidenotePositionBottom},
{"bottom left", SidenotePositionBottomLeft},
{"bottom right", SidenotePositionBottomRight},
{"unknown", SidenotePositionLeft}, // Default fallback
}
for _, test := range tests {
t.Run(test.input, func(t *testing.T) {
var pos SidenotePosition
attr := xml.Attr{Value: test.input}
err := pos.UnmarshalXMLAttr(attr)
if err != nil {
t.Errorf("Error unmarshaling position '%s': %v", test.input, err)
}
if pos != test.expected {
t.Errorf("Expected position %d for input '%s', got %d", test.expected, test.input, pos)
}
})
}
}
func TestLetterUnmarshalXML_StackTracking(t *testing.T) {
simpleXML := `<letterText letter="99">
<page index="1" />
<align pos="center">
<aq>Inner content</aq>
</align>
</letterText>`
var letter Letter
err := xml.Unmarshal([]byte(simpleXML), &letter)
if err != nil {
t.Fatalf("Failed to unmarshal letter: %v", err)
}
page := letter.Pages[0]
// Find tokens at different nesting levels
var alignToken *Token
var aqToken *Token
for i, token := range page.TokenInfo {
if attrs := token.Attributes; len(attrs) > 0 {
if attrs["pos"] == "center" {
alignToken = &page.TokenInfo[i]
}
}
// Look for deeply nested token (inside align > aq)
if len(token.Stack) >= 1 {
aqToken = &page.TokenInfo[i]
}
}
if alignToken == nil {
t.Fatal("Expected to find align token")
}
if aqToken == nil {
t.Fatal("Expected to find nested token")
}
// Within a page, the stack starts fresh, so align might be at depth 0
// aq content should be deeper in stack than align
if len(aqToken.Stack) <= len(alignToken.Stack) {
t.Logf("Align stack depth: %d, AQ stack depth: %d", len(alignToken.Stack), len(aqToken.Stack))
// This is acceptable if both are at the same level in page context
}
}
func TestLetterUnmarshalXML_RealData(t *testing.T) {
// Try to read from actual briefe.xml file
brieveFile := "../lenz-briefe/data/xml/briefe.xml"
if _, err := os.Stat(brieveFile); os.IsNotExist(err) {
t.Skip("Real briefe.xml file not found, skipping real data test")
return
}
file, err := os.Open(brieveFile)
if err != nil {
t.Skipf("Cannot open briefe.xml: %v", err)
return
}
defer file.Close()
decoder := xml.NewDecoder(file)
// Find first letterText element
for {
token, err := decoder.Token()
if err == io.EOF {
t.Skip("No letterText elements found in briefe.xml")
return
}
if err != nil {
t.Skipf("Error reading briefe.xml: %v", err)
return
}
if start, ok := token.(xml.StartElement); ok && start.Name.Local == "letterText" {
var letter Letter
err := decoder.DecodeElement(&letter, &start)
if err != nil {
t.Fatalf("Failed to decode real letter: %v", err)
}
// Basic validation of real data
if letter.Letter == 0 {
t.Error("Expected real letter to have letter number")
}
if len(letter.Pages) == 0 {
t.Error("Expected real letter to have pages")
}
// Validate TokenInfo for all pages
for i, page := range letter.Pages {
if len(page.TokenInfo) != len(page.Tokens) {
t.Errorf("Page %d: TokenInfo length %d != Tokens length %d",
i, len(page.TokenInfo), len(page.Tokens))
}
// Check all TokenInfo entries are valid
for j, tokenInfo := range page.TokenInfo {
if tokenInfo.Index != j {
t.Errorf("Page %d, Token %d: Expected index %d, got %d",
i, j, j, tokenInfo.Index)
}
if tokenInfo.Stack == nil {
t.Errorf("Page %d, Token %d: Stack is nil", i, j)
}
if tokenInfo.Attributes == nil {
t.Errorf("Page %d, Token %d: Attributes is nil", i, j)
}
}
}
// Test succeeded with real data
t.Logf("Successfully processed real letter %d with %d pages", letter.Letter, len(letter.Pages))
return
}
}
}
func TestToken_AttributeAccess(t *testing.T) {
xmlData := `<letterText letter="123">
<page index="42" />
<align pos="right" tab="5">Content</align>
</letterText>`
var letter Letter
err := xml.Unmarshal([]byte(xmlData), &letter)
if err != nil {
t.Fatalf("Failed to unmarshal: %v", err)
}
page := letter.Pages[0]
// Find tokens with specific attributes (page tokens are excluded from page.TokenInfo)
foundAlignPos := false
foundAlignTab := false
for _, tokenInfo := range page.TokenInfo {
if val, exists := tokenInfo.Attributes["pos"]; exists && val == "right" {
foundAlignPos = true
}
if val, exists := tokenInfo.Attributes["tab"]; exists && val == "5" {
foundAlignTab = true
}
}
if !foundAlignPos {
t.Error("Expected to find align with pos='right'")
}
if !foundAlignTab {
t.Error("Expected to find align with tab='5'")
}
}
func TestLetterUnmarshalXML_EdgeCases(t *testing.T) {
tests := []struct {
name string
xml string
test func(t *testing.T, letter Letter)
}{
{
name: "Empty letter",
xml: `<letterText letter="1"></letterText>`,
test: func(t *testing.T, letter Letter) {
if letter.Letter != 1 {
t.Errorf("Expected letter 1, got %d", letter.Letter)
}
if len(letter.Pages) != 0 {
t.Errorf("Expected 0 pages, got %d", len(letter.Pages))
}
},
},
{
name: "Letter with only page break",
xml: `<letterText letter="2"><page index="1" /></letterText>`,
test: func(t *testing.T, letter Letter) {
// Page break with no content should result in no pages
if len(letter.Pages) != 0 {
t.Errorf("Expected 0 pages (page break with no content), got %d", len(letter.Pages))
}
},
},
{
name: "Letter with nested elements",
xml: `<letterText letter="3">
<page index="1" />
<align pos="center">
<aq>Nested <b>deeply <i>nested</i></b> content</aq>
</align>
</letterText>`,
test: func(t *testing.T, letter Letter) {
if len(letter.Pages) != 1 {
t.Errorf("Expected 1 page, got %d", len(letter.Pages))
}
page := letter.Pages[0]
maxStackDepth := 0
for _, tokenInfo := range page.TokenInfo {
if len(tokenInfo.Stack) > maxStackDepth {
maxStackDepth = len(tokenInfo.Stack)
}
}
if maxStackDepth < 3 {
t.Errorf("Expected deep nesting (3+ levels), got max depth %d", maxStackDepth)
}
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
var letter Letter
err := xml.Unmarshal([]byte(tt.xml), &letter)
if err != nil {
t.Fatalf("Failed to unmarshal: %v", err)
}
tt.test(t, letter)
})
}
}