2 Commits

Author SHA1 Message Date
6f55505444 feat(writer): 🎉 Enhance model name generation and formatting
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* Update model name generation to include schema name.
* Add gofmt execution after writing output files.
* Refactor relationship field naming to include schema.
* Update tests to reflect changes in model names and relationships.
2026-01-10 18:28:41 +02:00
e0e7b64c69 feat(writer): 🎉 Resolve field name collisions with methods
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* Implement field name collision resolution in model generation.
* Add tests to verify renaming of fields that conflict with generated method names.
* Ensure primary key type safety in UpdateID method.
2026-01-10 17:54:33 +02:00
7 changed files with 367 additions and 65 deletions

View File

@@ -112,13 +112,17 @@ func NewModelData(table *models.Table, schema string, typeMapper *TypeMapper) *M
tableName = schema + "." + table.Name
}
// Generate model name: singularize and convert to PascalCase
// Generate model name: Model + Schema + Table (all PascalCase)
singularTable := Singularize(table.Name)
modelName := SnakeCaseToPascalCase(singularTable)
tablePart := SnakeCaseToPascalCase(singularTable)
// Add "Model" prefix if not already present
if !hasModelPrefix(modelName) {
modelName = "Model" + modelName
// Include schema name in model name
var modelName string
if schema != "" {
schemaPart := SnakeCaseToPascalCase(schema)
modelName = "Model" + schemaPart + tablePart
} else {
modelName = "Model" + tablePart
}
model := &ModelData{
@@ -149,6 +153,8 @@ func NewModelData(table *models.Table, schema string, typeMapper *TypeMapper) *M
columns := sortColumns(table.Columns)
for _, col := range columns {
field := columnToField(col, table, typeMapper)
// Check for name collision with generated methods and rename if needed
field.Name = resolveFieldNameCollision(field.Name)
model.Fields = append(model.Fields, field)
}
@@ -190,9 +196,28 @@ func formatComment(description, comment string) string {
return comment
}
// hasModelPrefix checks if a name already has "Model" prefix
func hasModelPrefix(name string) bool {
return len(name) >= 5 && name[:5] == "Model"
// resolveFieldNameCollision checks if a field name conflicts with generated method names
// and adds an underscore suffix if there's a collision
func resolveFieldNameCollision(fieldName string) string {
// List of method names that are generated by the template
reservedNames := map[string]bool{
"TableName": true,
"TableNameOnly": true,
"SchemaName": true,
"GetID": true,
"GetIDStr": true,
"SetID": true,
"UpdateID": true,
"GetIDName": true,
"GetPrefix": true,
}
// Check if field name conflicts with a reserved method name
if reservedNames[fieldName] {
return fieldName + "_"
}
return fieldName
}
// sortColumns sorts columns by sequence, then by name

View File

@@ -4,6 +4,7 @@ import (
"fmt"
"go/format"
"os"
"os/exec"
"path/filepath"
"strings"
@@ -124,7 +125,16 @@ func (w *Writer) writeSingleFile(db *models.Database) error {
}
// Write output
return w.writeOutput(formatted)
if err := w.writeOutput(formatted); err != nil {
return err
}
// Run go fmt on the output file
if w.options.OutputPath != "" {
w.runGoFmt(w.options.OutputPath)
}
return nil
}
// writeMultiFile writes each table to a separate file
@@ -217,6 +227,9 @@ func (w *Writer) writeMultiFile(db *models.Database) error {
if err := os.WriteFile(filepath, []byte(formatted), 0644); err != nil {
return fmt.Errorf("failed to write file %s: %w", filename, err)
}
// Run go fmt on the generated file
w.runGoFmt(filepath)
}
}
@@ -241,7 +254,7 @@ func (w *Writer) addRelationshipFields(modelData *ModelData, table *models.Table
}
// Create relationship field (has-one in Bun, similar to belongs-to in GORM)
refModelName := w.getModelName(constraint.ReferencedTable)
refModelName := w.getModelName(constraint.ReferencedSchema, constraint.ReferencedTable)
fieldName := w.generateHasOneFieldName(constraint)
fieldName = w.ensureUniqueFieldName(fieldName, usedFieldNames)
relationTag := w.typeMapper.BuildRelationshipTag(constraint, "has-one")
@@ -270,8 +283,8 @@ func (w *Writer) addRelationshipFields(modelData *ModelData, table *models.Table
// Check if this constraint references our table
if constraint.ReferencedTable == table.Name && constraint.ReferencedSchema == schema.Name {
// Add has-many relationship
otherModelName := w.getModelName(otherTable.Name)
fieldName := w.generateHasManyFieldName(constraint, otherTable.Name)
otherModelName := w.getModelName(otherSchema.Name, otherTable.Name)
fieldName := w.generateHasManyFieldName(constraint, otherSchema.Name, otherTable.Name)
fieldName = w.ensureUniqueFieldName(fieldName, usedFieldNames)
relationTag := w.typeMapper.BuildRelationshipTag(constraint, "has-many")
@@ -303,13 +316,18 @@ func (w *Writer) findTable(schemaName, tableName string, db *models.Database) *m
return nil
}
// getModelName generates the model name from a table name
func (w *Writer) getModelName(tableName string) string {
// getModelName generates the model name from schema and table name
func (w *Writer) getModelName(schemaName, tableName string) string {
singular := Singularize(tableName)
modelName := SnakeCaseToPascalCase(singular)
tablePart := SnakeCaseToPascalCase(singular)
if !hasModelPrefix(modelName) {
modelName = "Model" + modelName
// Include schema name in model name
var modelName string
if schemaName != "" {
schemaPart := SnakeCaseToPascalCase(schemaName)
modelName = "Model" + schemaPart + tablePart
} else {
modelName = "Model" + tablePart
}
return modelName
@@ -333,13 +351,13 @@ func (w *Writer) generateHasOneFieldName(constraint *models.Constraint) string {
// generateHasManyFieldName generates a field name for has-many relationships
// Uses the foreign key column name + source table name to avoid duplicates
func (w *Writer) generateHasManyFieldName(constraint *models.Constraint, sourceTableName string) string {
func (w *Writer) generateHasManyFieldName(constraint *models.Constraint, sourceSchemaName, sourceTableName string) string {
// For has-many, we need to include the source table name to avoid duplicates
// e.g., multiple tables referencing the same column on this table
if len(constraint.Columns) > 0 {
columnName := constraint.Columns[0]
// Get the model name for the source table (pluralized)
sourceModelName := w.getModelName(sourceTableName)
sourceModelName := w.getModelName(sourceSchemaName, sourceTableName)
// Remove "Model" prefix if present
sourceModelName = strings.TrimPrefix(sourceModelName, "Model")
@@ -350,7 +368,7 @@ func (w *Writer) generateHasManyFieldName(constraint *models.Constraint, sourceT
}
// Fallback to table-based naming
sourceModelName := w.getModelName(sourceTableName)
sourceModelName := w.getModelName(sourceSchemaName, sourceTableName)
sourceModelName = strings.TrimPrefix(sourceModelName, "Model")
return "Rel" + Pluralize(sourceModelName)
}
@@ -399,6 +417,15 @@ func (w *Writer) writeOutput(content string) error {
return nil
}
// runGoFmt runs go fmt on the specified file
func (w *Writer) runGoFmt(filepath string) {
cmd := exec.Command("gofmt", "-w", filepath)
if err := cmd.Run(); err != nil {
// Don't fail the whole operation if gofmt fails, just warn
fmt.Fprintf(os.Stderr, "Warning: failed to run gofmt on %s: %v\n", filepath, err)
}
}
// shouldUseMultiFile determines whether to use multi-file mode based on metadata or output path
func (w *Writer) shouldUseMultiFile() bool {
// Check if multi_file is explicitly set in metadata

View File

@@ -66,7 +66,7 @@ func TestWriter_WriteTable(t *testing.T) {
// Verify key elements are present
expectations := []string{
"package models",
"type ModelUser struct",
"type ModelPublicUser struct",
"bun.BaseModel",
"table:public.users",
"alias:users",
@@ -78,9 +78,9 @@ func TestWriter_WriteTable(t *testing.T) {
"resolvespec_common.SqlTime",
"bun:\"id",
"bun:\"email",
"func (m ModelUser) TableName() string",
"func (m ModelPublicUser) TableName() string",
"return \"public.users\"",
"func (m ModelUser) GetID() int64",
"func (m ModelPublicUser) GetID() int64",
}
for _, expected := range expectations {
@@ -191,9 +191,9 @@ func TestWriter_WriteDatabase_MultiFile(t *testing.T) {
usersStr := string(usersContent)
// Should have RelUserIDPosts (has-many) field
if !strings.Contains(usersStr, "RelUserIDPosts") {
t.Errorf("Missing has-many relationship field RelUserIDPosts")
// Should have RelUserIDPublicPosts (has-many) field - includes schema prefix
if !strings.Contains(usersStr, "RelUserIDPublicPosts") {
t.Errorf("Missing has-many relationship field RelUserIDPublicPosts")
}
}
@@ -309,8 +309,8 @@ func TestWriter_MultipleReferencesToSameTable(t *testing.T) {
// Should have two different has-many relationships with unique names
hasManyExpectations := []string{
"RelRIDFilepointerRequestAPIEvents", // Has many via rid_filepointer_request
"RelRIDFilepointerResponseAPIEvents", // Has many via rid_filepointer_response
"RelRIDFilepointerRequestOrgAPIEvents", // Has many via rid_filepointer_request
"RelRIDFilepointerResponseOrgAPIEvents", // Has many via rid_filepointer_response
}
for _, exp := range hasManyExpectations {
@@ -455,10 +455,10 @@ func TestWriter_MultipleHasManyRelationships(t *testing.T) {
// Verify all has-many relationships have unique names
hasManyExpectations := []string{
"RelRIDAPIProviderLogins", // Has many via Login
"RelRIDAPIProviderFilepointers", // Has many via Filepointer
"RelRIDAPIProviderAPIEvents", // Has many via APIEvent
"RelRIDOwner", // Has one via rid_owner
"RelRIDAPIProviderOrgLogins", // Has many via Login
"RelRIDAPIProviderOrgFilepointers", // Has many via Filepointer
"RelRIDAPIProviderOrgAPIEvents", // Has many via APIEvent
"RelRIDOwner", // Has one via rid_owner
}
for _, exp := range hasManyExpectations {
@@ -481,6 +481,74 @@ func TestWriter_MultipleHasManyRelationships(t *testing.T) {
}
}
func TestWriter_FieldNameCollision(t *testing.T) {
// Test scenario: table with columns that would conflict with generated method names
table := models.InitTable("audit_table", "audit")
table.Columns["id_audit_table"] = &models.Column{
Name: "id_audit_table",
Type: "smallint",
NotNull: true,
IsPrimaryKey: true,
Sequence: 1,
}
table.Columns["table_name"] = &models.Column{
Name: "table_name",
Type: "varchar",
Length: 100,
NotNull: true,
Sequence: 2,
}
table.Columns["table_schema"] = &models.Column{
Name: "table_schema",
Type: "varchar",
Length: 100,
NotNull: true,
Sequence: 3,
}
// Create writer
tmpDir := t.TempDir()
opts := &writers.WriterOptions{
PackageName: "models",
OutputPath: filepath.Join(tmpDir, "test.go"),
}
writer := NewWriter(opts)
err := writer.WriteTable(table)
if err != nil {
t.Fatalf("WriteTable failed: %v", err)
}
// Read the generated file
content, err := os.ReadFile(opts.OutputPath)
if err != nil {
t.Fatalf("Failed to read generated file: %v", err)
}
generated := string(content)
// Verify that TableName field was renamed to TableName_ to avoid collision
if !strings.Contains(generated, "TableName_") {
t.Errorf("Expected field 'TableName_' (with underscore) but not found\nGenerated:\n%s", generated)
}
// Verify the struct tag still references the correct database column
if !strings.Contains(generated, `bun:"table_name,`) {
t.Errorf("Expected bun tag to reference 'table_name' column\nGenerated:\n%s", generated)
}
// Verify the TableName() method still exists and doesn't conflict
if !strings.Contains(generated, "func (m ModelAuditAuditTable) TableName() string") {
t.Errorf("TableName() method should still be generated\nGenerated:\n%s", generated)
}
// Verify NO field named just "TableName" (without underscore)
if strings.Contains(generated, "TableName resolvespec_common") || strings.Contains(generated, "TableName string") {
t.Errorf("Field 'TableName' without underscore should not exist (would conflict with method)\nGenerated:\n%s", generated)
}
}
func TestTypeMapper_SQLTypeToGoType_Bun(t *testing.T) {
mapper := NewTypeMapper()

View File

@@ -25,6 +25,7 @@ type ModelData struct {
Fields []*FieldData
Config *MethodConfig
PrimaryKeyField string // Name of the primary key field
PrimaryKeyType string // Go type of the primary key field
IDColumnName string // Name of the ID column in database
Prefix string // 3-letter prefix
}
@@ -110,13 +111,17 @@ func NewModelData(table *models.Table, schema string, typeMapper *TypeMapper) *M
tableName = schema + "." + table.Name
}
// Generate model name: singularize and convert to PascalCase
// Generate model name: Model + Schema + Table (all PascalCase)
singularTable := Singularize(table.Name)
modelName := SnakeCaseToPascalCase(singularTable)
tablePart := SnakeCaseToPascalCase(singularTable)
// Add "Model" prefix if not already present
if !hasModelPrefix(modelName) {
modelName = "Model" + modelName
// Include schema name in model name
var modelName string
if schema != "" {
schemaPart := SnakeCaseToPascalCase(schema)
modelName = "Model" + schemaPart + tablePart
} else {
modelName = "Model" + tablePart
}
model := &ModelData{
@@ -135,6 +140,7 @@ func NewModelData(table *models.Table, schema string, typeMapper *TypeMapper) *M
// Sanitize column name to remove backticks
safeName := writers.SanitizeStructTagValue(col.Name)
model.PrimaryKeyField = SnakeCaseToPascalCase(safeName)
model.PrimaryKeyType = typeMapper.SQLTypeToGoType(col.Type, col.NotNull)
model.IDColumnName = safeName
break
}
@@ -144,6 +150,8 @@ func NewModelData(table *models.Table, schema string, typeMapper *TypeMapper) *M
columns := sortColumns(table.Columns)
for _, col := range columns {
field := columnToField(col, table, typeMapper)
// Check for name collision with generated methods and rename if needed
field.Name = resolveFieldNameCollision(field.Name)
model.Fields = append(model.Fields, field)
}
@@ -185,9 +193,28 @@ func formatComment(description, comment string) string {
return comment
}
// hasModelPrefix checks if a name already has "Model" prefix
func hasModelPrefix(name string) bool {
return len(name) >= 5 && name[:5] == "Model"
// resolveFieldNameCollision checks if a field name conflicts with generated method names
// and adds an underscore suffix if there's a collision
func resolveFieldNameCollision(fieldName string) string {
// List of method names that are generated by the template
reservedNames := map[string]bool{
"TableName": true,
"TableNameOnly": true,
"SchemaName": true,
"GetID": true,
"GetIDStr": true,
"SetID": true,
"UpdateID": true,
"GetIDName": true,
"GetPrefix": true,
}
// Check if field name conflicts with a reserved method name
if reservedNames[fieldName] {
return fieldName + "_"
}
return fieldName
}
// sortColumns sorts columns by sequence, then by name

View File

@@ -62,7 +62,7 @@ func (m {{.Name}}) SetID(newid int64) {
{{if and .Config.GenerateUpdateID .PrimaryKeyField}}
// UpdateID updates the primary key value
func (m *{{.Name}}) UpdateID(newid int64) {
m.{{.PrimaryKeyField}} = int32(newid)
m.{{.PrimaryKeyField}} = {{.PrimaryKeyType}}(newid)
}
{{end}}
{{if and .Config.GenerateGetIDName .IDColumnName}}

View File

@@ -4,6 +4,7 @@ import (
"fmt"
"go/format"
"os"
"os/exec"
"path/filepath"
"strings"
@@ -121,7 +122,16 @@ func (w *Writer) writeSingleFile(db *models.Database) error {
}
// Write output
return w.writeOutput(formatted)
if err := w.writeOutput(formatted); err != nil {
return err
}
// Run go fmt on the output file
if w.options.OutputPath != "" {
w.runGoFmt(w.options.OutputPath)
}
return nil
}
// writeMultiFile writes each table to a separate file
@@ -211,6 +221,9 @@ func (w *Writer) writeMultiFile(db *models.Database) error {
if err := os.WriteFile(filepath, []byte(formatted), 0644); err != nil {
return fmt.Errorf("failed to write file %s: %w", filename, err)
}
// Run go fmt on the generated file
w.runGoFmt(filepath)
}
}
@@ -235,7 +248,7 @@ func (w *Writer) addRelationshipFields(modelData *ModelData, table *models.Table
}
// Create relationship field (belongs-to)
refModelName := w.getModelName(constraint.ReferencedTable)
refModelName := w.getModelName(constraint.ReferencedSchema, constraint.ReferencedTable)
fieldName := w.generateBelongsToFieldName(constraint)
fieldName = w.ensureUniqueFieldName(fieldName, usedFieldNames)
relationTag := w.typeMapper.BuildRelationshipTag(constraint, false)
@@ -264,8 +277,8 @@ func (w *Writer) addRelationshipFields(modelData *ModelData, table *models.Table
// Check if this constraint references our table
if constraint.ReferencedTable == table.Name && constraint.ReferencedSchema == schema.Name {
// Add has-many relationship
otherModelName := w.getModelName(otherTable.Name)
fieldName := w.generateHasManyFieldName(constraint, otherTable.Name)
otherModelName := w.getModelName(otherSchema.Name, otherTable.Name)
fieldName := w.generateHasManyFieldName(constraint, otherSchema.Name, otherTable.Name)
fieldName = w.ensureUniqueFieldName(fieldName, usedFieldNames)
relationTag := w.typeMapper.BuildRelationshipTag(constraint, true)
@@ -297,13 +310,18 @@ func (w *Writer) findTable(schemaName, tableName string, db *models.Database) *m
return nil
}
// getModelName generates the model name from a table name
func (w *Writer) getModelName(tableName string) string {
// getModelName generates the model name from schema and table name
func (w *Writer) getModelName(schemaName, tableName string) string {
singular := Singularize(tableName)
modelName := SnakeCaseToPascalCase(singular)
tablePart := SnakeCaseToPascalCase(singular)
if !hasModelPrefix(modelName) {
modelName = "Model" + modelName
// Include schema name in model name
var modelName string
if schemaName != "" {
schemaPart := SnakeCaseToPascalCase(schemaName)
modelName = "Model" + schemaPart + tablePart
} else {
modelName = "Model" + tablePart
}
return modelName
@@ -327,13 +345,13 @@ func (w *Writer) generateBelongsToFieldName(constraint *models.Constraint) strin
// generateHasManyFieldName generates a field name for has-many relationships
// Uses the foreign key column name + source table name to avoid duplicates
func (w *Writer) generateHasManyFieldName(constraint *models.Constraint, sourceTableName string) string {
func (w *Writer) generateHasManyFieldName(constraint *models.Constraint, sourceSchemaName, sourceTableName string) string {
// For has-many, we need to include the source table name to avoid duplicates
// e.g., multiple tables referencing the same column on this table
if len(constraint.Columns) > 0 {
columnName := constraint.Columns[0]
// Get the model name for the source table (pluralized)
sourceModelName := w.getModelName(sourceTableName)
sourceModelName := w.getModelName(sourceSchemaName, sourceTableName)
// Remove "Model" prefix if present
sourceModelName = strings.TrimPrefix(sourceModelName, "Model")
@@ -344,7 +362,7 @@ func (w *Writer) generateHasManyFieldName(constraint *models.Constraint, sourceT
}
// Fallback to table-based naming
sourceModelName := w.getModelName(sourceTableName)
sourceModelName := w.getModelName(sourceSchemaName, sourceTableName)
sourceModelName = strings.TrimPrefix(sourceModelName, "Model")
return "Rel" + Pluralize(sourceModelName)
}
@@ -393,6 +411,15 @@ func (w *Writer) writeOutput(content string) error {
return nil
}
// runGoFmt runs go fmt on the specified file
func (w *Writer) runGoFmt(filepath string) {
cmd := exec.Command("gofmt", "-w", filepath)
if err := cmd.Run(); err != nil {
// Don't fail the whole operation if gofmt fails, just warn
fmt.Fprintf(os.Stderr, "Warning: failed to run gofmt on %s: %v\n", filepath, err)
}
}
// shouldUseMultiFile determines whether to use multi-file mode based on metadata or output path
func (w *Writer) shouldUseMultiFile() bool {
// Check if multi_file is explicitly set in metadata

View File

@@ -66,7 +66,7 @@ func TestWriter_WriteTable(t *testing.T) {
// Verify key elements are present
expectations := []string{
"package models",
"type ModelUser struct",
"type ModelPublicUser struct",
"ID",
"int64",
"Email",
@@ -75,9 +75,9 @@ func TestWriter_WriteTable(t *testing.T) {
"time.Time",
"gorm:\"column:id",
"gorm:\"column:email",
"func (m ModelUser) TableName() string",
"func (m ModelPublicUser) TableName() string",
"return \"public.users\"",
"func (m ModelUser) GetID() int64",
"func (m ModelPublicUser) GetID() int64",
}
for _, expected := range expectations {
@@ -180,9 +180,9 @@ func TestWriter_WriteDatabase_MultiFile(t *testing.T) {
usersStr := string(usersContent)
// Should have RelUserIDPosts (has-many) field
if !strings.Contains(usersStr, "RelUserIDPosts") {
t.Errorf("Missing has-many relationship field RelUserIDPosts")
// Should have RelUserIDPublicPosts (has-many) field - includes schema prefix
if !strings.Contains(usersStr, "RelUserIDPublicPosts") {
t.Errorf("Missing has-many relationship field RelUserIDPublicPosts")
}
}
@@ -298,8 +298,8 @@ func TestWriter_MultipleReferencesToSameTable(t *testing.T) {
// Should have two different has-many relationships with unique names
hasManyExpectations := []string{
"RelRIDFilepointerRequestAPIEvents", // Has many via rid_filepointer_request
"RelRIDFilepointerResponseAPIEvents", // Has many via rid_filepointer_response
"RelRIDFilepointerRequestOrgAPIEvents", // Has many via rid_filepointer_request
"RelRIDFilepointerResponseOrgAPIEvents", // Has many via rid_filepointer_response
}
for _, exp := range hasManyExpectations {
@@ -444,10 +444,10 @@ func TestWriter_MultipleHasManyRelationships(t *testing.T) {
// Verify all has-many relationships have unique names
hasManyExpectations := []string{
"RelRIDAPIProviderLogins", // Has many via Login
"RelRIDAPIProviderFilepointers", // Has many via Filepointer
"RelRIDAPIProviderAPIEvents", // Has many via APIEvent
"RelRIDOwner", // Belongs to via rid_owner
"RelRIDAPIProviderOrgLogins", // Has many via Login
"RelRIDAPIProviderOrgFilepointers", // Has many via Filepointer
"RelRIDAPIProviderOrgAPIEvents", // Has many via APIEvent
"RelRIDOwner", // Belongs to via rid_owner
}
for _, exp := range hasManyExpectations {
@@ -470,6 +470,134 @@ func TestWriter_MultipleHasManyRelationships(t *testing.T) {
}
}
func TestWriter_FieldNameCollision(t *testing.T) {
// Test scenario: table with columns that would conflict with generated method names
table := models.InitTable("audit_table", "audit")
table.Columns["id_audit_table"] = &models.Column{
Name: "id_audit_table",
Type: "smallint",
NotNull: true,
IsPrimaryKey: true,
Sequence: 1,
}
table.Columns["table_name"] = &models.Column{
Name: "table_name",
Type: "varchar",
Length: 100,
NotNull: true,
Sequence: 2,
}
table.Columns["table_schema"] = &models.Column{
Name: "table_schema",
Type: "varchar",
Length: 100,
NotNull: true,
Sequence: 3,
}
// Create writer
tmpDir := t.TempDir()
opts := &writers.WriterOptions{
PackageName: "models",
OutputPath: filepath.Join(tmpDir, "test.go"),
}
writer := NewWriter(opts)
err := writer.WriteTable(table)
if err != nil {
t.Fatalf("WriteTable failed: %v", err)
}
// Read the generated file
content, err := os.ReadFile(opts.OutputPath)
if err != nil {
t.Fatalf("Failed to read generated file: %v", err)
}
generated := string(content)
// Verify that TableName field was renamed to TableName_ to avoid collision
if !strings.Contains(generated, "TableName_") {
t.Errorf("Expected field 'TableName_' (with underscore) but not found\nGenerated:\n%s", generated)
}
// Verify the struct tag still references the correct database column
if !strings.Contains(generated, `gorm:"column:table_name;`) {
t.Errorf("Expected gorm tag to reference 'table_name' column\nGenerated:\n%s", generated)
}
// Verify the TableName() method still exists and doesn't conflict
if !strings.Contains(generated, "func (m ModelAuditAuditTable) TableName() string") {
t.Errorf("TableName() method should still be generated\nGenerated:\n%s", generated)
}
// Verify NO field named just "TableName" (without underscore)
if strings.Contains(generated, "TableName sql_types") || strings.Contains(generated, "TableName string") {
t.Errorf("Field 'TableName' without underscore should not exist (would conflict with method)\nGenerated:\n%s", generated)
}
}
func TestWriter_UpdateIDTypeSafety(t *testing.T) {
// Test scenario: tables with different primary key types
tests := []struct {
name string
pkType string
expectedPK string
castType string
}{
{"int32_pk", "int", "int32", "int32(newid)"},
{"int16_pk", "smallint", "int16", "int16(newid)"},
{"int64_pk", "bigint", "int64", "int64(newid)"},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
table := models.InitTable("test_table", "public")
table.Columns["id"] = &models.Column{
Name: "id",
Type: tt.pkType,
NotNull: true,
IsPrimaryKey: true,
}
tmpDir := t.TempDir()
opts := &writers.WriterOptions{
PackageName: "models",
OutputPath: filepath.Join(tmpDir, "test.go"),
}
writer := NewWriter(opts)
err := writer.WriteTable(table)
if err != nil {
t.Fatalf("WriteTable failed: %v", err)
}
content, err := os.ReadFile(opts.OutputPath)
if err != nil {
t.Fatalf("Failed to read generated file: %v", err)
}
generated := string(content)
// Verify UpdateID method has correct type cast
if !strings.Contains(generated, tt.castType) {
t.Errorf("Expected UpdateID to cast to %s\nGenerated:\n%s", tt.castType, generated)
}
// Verify no invalid int32(newid) for non-int32 types
if tt.expectedPK != "int32" && strings.Contains(generated, "int32(newid)") {
t.Errorf("UpdateID should not cast to int32 for %s type\nGenerated:\n%s", tt.pkType, generated)
}
// Verify UpdateID parameter is int64 (for consistency)
if !strings.Contains(generated, "UpdateID(newid int64)") {
t.Errorf("UpdateID should accept int64 parameter\nGenerated:\n%s", generated)
}
})
}
}
func TestNameConverter_SnakeCaseToPascalCase(t *testing.T) {
tests := []struct {
input string