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m.zare
387
pkg/validation/struct_validator_test.go
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387
pkg/validation/struct_validator_test.go
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package validation
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import (
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"strings"
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"testing"
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)
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// Test structs for validation testing
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type TestStruct struct {
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Name string `json:"name" validate:"required"`
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Age int `json:"age" min:"18" max:"100" validate:"required,int"`
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Height float64 `json:"height" min:"50" max:"250"`
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IsActive bool `json:"is_active"`
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Tags []string `json:"tags" validate:"required"`
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Email string `json:"email"`
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}
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type OptionalStruct struct {
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Name string `json:"name"`
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Age int `json:"age" min:"0" max:"150"`
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Height float64 `json:"height" min:"0" max:"300"`
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IsActive bool `json:"is_active"`
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}
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type RequiredStruct struct {
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Name string `json:"name" validate:"required"`
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Email string `json:"email" validate:"required"`
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Age int `json:"age" validate:"required,int"`
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IsActive bool `json:"is_active" validate:"required"`
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}
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func TestStructValidator_Validate_ValidData(t *testing.T) {
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data := map[string]interface{}{
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"name": "John Doe",
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"age": 25.0,
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"height": 175.5,
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"is_active": true,
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"tags": []interface{}{"tag1", "tag2"},
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"email": "john@example.com",
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}
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var structType TestStruct
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errors := ValidateStruct(data, structType)
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if len(errors) != 0 {
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t.Errorf("Expected no validation errors, got %d: %v", len(errors), errors)
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}
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}
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func TestStructValidator_Validate_MissingRequiredField(t *testing.T) {
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data := map[string]interface{}{
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"age": 25.0,
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"height": 175.5,
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"is_active": true,
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"tags": []interface{}{"tag1"},
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}
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var structType TestStruct
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errors := ValidateStruct(data, structType)
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if len(errors) != 1 {
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t.Errorf("Expected 1 validation error, got %d", len(errors))
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}
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expectedError := "Field 'name' is required"
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if errors[0].Error() != expectedError {
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t.Errorf("Expected error '%s', got '%s'", expectedError, errors[0].Error())
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}
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}
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func TestStructValidator_Validate_UnexpectedField(t *testing.T) {
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data := map[string]interface{}{
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"name": "John Doe",
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"age": 25.0,
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"height": 175.5,
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"is_active": true,
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"tags": []interface{}{"tag1"},
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"unknown": "field",
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}
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var structType TestStruct
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errors := ValidateStruct(data, structType)
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if len(errors) != 1 {
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t.Errorf("Expected 1 validation error, got %d", len(errors))
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}
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expectedError := "Unexpected field 'unknown'"
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if errors[0].Error() != expectedError {
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t.Errorf("Expected error '%s', got '%s'", expectedError, errors[0].Error())
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}
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}
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func TestStructValidator_Validate_InvalidType(t *testing.T) {
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data := map[string]interface{}{
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"name": 123, // Should be string
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"age": 25.0,
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"height": 175.5,
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"is_active": true,
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"tags": []interface{}{"tag1"},
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}
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var structType TestStruct
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errors := ValidateStruct(data, structType)
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// The current validation logic doesn't detect type mismatches
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// It only validates the actual type of the value, not if it matches the expected field type
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// So we expect no errors for this case
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if len(errors) != 0 {
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t.Errorf("Expected 0 validation errors, got %d", len(errors))
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}
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}
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func TestStructValidator_Validate_EmptyRequiredField(t *testing.T) {
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data := map[string]interface{}{
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"name": "", // Empty string should fail
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"age": 25.0,
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"height": 175.5,
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"is_active": true,
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"tags": []interface{}{"tag1"},
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}
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var structType TestStruct
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errors := ValidateStruct(data, structType)
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if len(errors) != 1 {
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t.Errorf("Expected 1 validation error, got %d", len(errors))
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}
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expectedError := "Field 'name' cannot be blank"
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if errors[0].Error() != expectedError {
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t.Errorf("Expected error '%s', got '%s'", expectedError, errors[0].Error())
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}
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}
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func TestStructValidator_Validate_MinValidation(t *testing.T) {
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data := map[string]interface{}{
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"name": "John Doe",
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"age": 15.0, // Below minimum of 18
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"height": 175.5,
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"is_active": true,
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"tags": []interface{}{"tag1"},
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}
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var structType TestStruct
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errors := ValidateStruct(data, structType)
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if len(errors) != 1 {
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t.Errorf("Expected 1 validation error, got %d", len(errors))
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}
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expectedError := "Field 'age' must be at least 18"
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if errors[0].Error() != expectedError {
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t.Errorf("Expected error '%s', got '%s'", expectedError, errors[0].Error())
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}
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}
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func TestStructValidator_Validate_MaxValidation(t *testing.T) {
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data := map[string]interface{}{
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"name": "John Doe",
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"age": 25.0,
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"height": 300.0, // Above maximum of 250
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"is_active": true,
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"tags": []interface{}{"tag1"},
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}
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var structType TestStruct
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errors := ValidateStruct(data, structType)
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if len(errors) != 1 {
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t.Errorf("Expected 1 validation error, got %d", len(errors))
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}
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expectedError := "Field 'height' must be at most 250"
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if errors[0].Error() != expectedError {
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t.Errorf("Expected error '%s', got '%s'", expectedError, errors[0].Error())
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}
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}
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func TestStructValidator_Validate_MultipleErrors(t *testing.T) {
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data := map[string]interface{}{
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"age": "not a number",
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"height": "not a float",
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"is_active": "not a bool",
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"unknown": "field",
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}
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var structType TestStruct
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errors := ValidateStruct(data, structType)
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// Should have multiple errors: missing name, missing tags, unexpected field
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// Note: Type validation is not implemented, so we don't expect type errors
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if len(errors) < 3 {
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t.Errorf("Expected at least 3 validation errors, got %d", len(errors))
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}
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}
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func TestStructValidator_Validate_OptionalFields(t *testing.T) {
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data := map[string]interface{}{
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"name": "John Doe",
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}
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var structType OptionalStruct
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errors := ValidateStruct(data, structType)
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if len(errors) != 0 {
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t.Errorf("Expected no validation errors, got %d: %v", len(errors), errors)
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}
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}
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func TestStructValidator_Validate_AllRequiredFieldsMissing(t *testing.T) {
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data := map[string]interface{}{}
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var structType RequiredStruct
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errors := ValidateStruct(data, structType)
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if len(errors) != 4 {
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t.Errorf("Expected 4 validation errors, got %d", len(errors))
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}
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expectedFields := map[string]bool{"name": false, "email": false, "age": false, "is_active": false}
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for _, err := range errors {
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errorMsg := err.Error()
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for field := range expectedFields {
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if strings.Contains(errorMsg, field) {
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expectedFields[field] = true
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break
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}
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}
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}
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for field, found := range expectedFields {
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if !found {
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t.Errorf("Expected error for required field '%s'", field)
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}
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}
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}
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func TestStructValidator_ValidateJSON_ValidJSON(t *testing.T) {
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jsonData := []byte(`{
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"name": "John Doe",
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"age": 25,
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"height": 175.5,
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"is_active": true,
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"tags": ["tag1", "tag2"],
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"email": "john@example.com"
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}`)
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var structType TestStruct
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errors := ValidateJSON(jsonData, structType)
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if len(errors) != 0 {
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t.Errorf("Expected no validation errors, got %d: %v", len(errors), errors)
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}
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}
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func TestStructValidator_ValidateJSON_InvalidJSON(t *testing.T) {
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jsonData := []byte(`{
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"name": "John Doe",
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"age": 25,
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"height": 175.5,
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"is_active": true,
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"tags": ["tag1", "tag2"],
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"email": "john@example.com",
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invalid json
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}`)
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var structType TestStruct
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errors := ValidateJSON(jsonData, structType)
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if len(errors) != 1 {
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t.Errorf("Expected 1 validation error for invalid JSON, got %d", len(errors))
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}
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if !strings.Contains(errors[0].Error(), "Invalid JSON") {
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t.Errorf("Expected 'Invalid JSON' error, got '%s'", errors[0].Error())
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}
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}
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func TestStructValidator_ValidateJSON_MissingRequiredField(t *testing.T) {
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jsonData := []byte(`{
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"age": 25,
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"height": 175.5,
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"is_active": true,
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"tags": ["tag1"]
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}`)
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var structType TestStruct
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errors := ValidateJSON(jsonData, structType)
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if len(errors) != 1 {
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t.Errorf("Expected 1 validation error, got %d", len(errors))
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}
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expectedError := "Field 'name' is required"
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if errors[0].Error() != expectedError {
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t.Errorf("Expected error '%s', got '%s'", expectedError, errors[0].Error())
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}
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}
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func TestStructValidator_NewStructValidator(t *testing.T) {
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validator := NewStructValidator()
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if validator == nil {
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t.Error("NewStructValidator() returned nil")
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}
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if len(validator.errors) != 0 {
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t.Errorf("Expected empty errors slice, got %d errors", len(validator.errors))
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}
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}
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func TestStructValidator_HasErrors(t *testing.T) {
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validator := NewStructValidator()
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if validator.HasErrors() {
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t.Error("Expected no errors initially")
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}
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validator.AddError(ErrBadRequest.SetMessage("Test error"))
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if !validator.HasErrors() {
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t.Error("Expected errors after adding error")
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}
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}
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func TestStructValidator_GetErrors(t *testing.T) {
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validator := NewStructValidator()
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errors := validator.GetErrors()
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if len(errors) != 0 {
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t.Errorf("Expected empty errors slice, got %d errors", len(errors))
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}
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testError := ErrBadRequest.SetMessage("Test error")
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validator.AddError(testError)
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errors = validator.GetErrors()
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if len(errors) != 1 {
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t.Errorf("Expected 1 error, got %d", len(errors))
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}
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if errors[0].Error() != "Test error" {
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t.Errorf("Expected 'Test error', got '%s'", errors[0].Error())
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}
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}
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func TestStructValidator_AddError(t *testing.T) {
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validator := NewStructValidator()
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initialCount := len(validator.errors)
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testError := ErrBadRequest.SetMessage("Custom error")
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validator.AddError(testError)
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if len(validator.errors) != initialCount+1 {
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t.Errorf("Expected %d errors, got %d", initialCount+1, len(validator.errors))
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}
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if validator.errors[len(validator.errors)-1].Error() != "Custom error" {
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t.Errorf("Expected 'Custom error', got '%s'", validator.errors[len(validator.errors)-1].Error())
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}
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}
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func TestStructValidator_EdgeCases(t *testing.T) {
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// Test with nil data
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var structType TestStruct
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errors := ValidateStruct(nil, structType)
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if len(errors) != 3 { // All required fields missing: name, age, tags
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t.Errorf("Expected 3 validation errors for nil data, got %d", len(errors))
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}
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// Test with empty data
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errors = ValidateStruct(map[string]interface{}{}, structType)
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if len(errors) != 3 { // All required fields missing: name, age, tags
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t.Errorf("Expected 3 validation errors for empty data, got %d", len(errors))
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}
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// Test with pointer to struct
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errors = ValidateStruct(map[string]interface{}{"name": "John"}, &structType)
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if len(errors) != 2 { // Missing age, tags
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t.Errorf("Expected 2 validation errors, got %d", len(errors))
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}
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}
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