A lot more tests

pkg/restheadspec/context_test.go

@@ -0,0 +1,181 @@
+package restheadspec
+
+import (
+	"context"
+	"testing"
+
+	"github.com/bitechdev/ResolveSpec/pkg/common"
+)
+
+func TestContextOperations(t *testing.T) {
+	ctx := context.Background()
+
+	// Test Schema
+	t.Run("WithSchema and GetSchema", func(t *testing.T) {
+		ctx = WithSchema(ctx, "public")
+		schema := GetSchema(ctx)
+		if schema != "public" {
+			t.Errorf("Expected schema 'public', got '%s'", schema)
+		}
+	})
+
+	// Test Entity
+	t.Run("WithEntity and GetEntity", func(t *testing.T) {
+		ctx = WithEntity(ctx, "users")
+		entity := GetEntity(ctx)
+		if entity != "users" {
+			t.Errorf("Expected entity 'users', got '%s'", entity)
+		}
+	})
+
+	// Test TableName
+	t.Run("WithTableName and GetTableName", func(t *testing.T) {
+		ctx = WithTableName(ctx, "public.users")
+		tableName := GetTableName(ctx)
+		if tableName != "public.users" {
+			t.Errorf("Expected tableName 'public.users', got '%s'", tableName)
+		}
+	})
+
+	// Test Model
+	t.Run("WithModel and GetModel", func(t *testing.T) {
+		type TestModel struct {
+			ID   int
+			Name string
+		}
+		model := &TestModel{ID: 1, Name: "test"}
+		ctx = WithModel(ctx, model)
+		retrieved := GetModel(ctx)
+		if retrieved == nil {
+			t.Error("Expected model to be retrieved, got nil")
+		}
+		if retrievedModel, ok := retrieved.(*TestModel); ok {
+			if retrievedModel.ID != 1 || retrievedModel.Name != "test" {
+				t.Errorf("Expected model with ID=1 and Name='test', got ID=%d, Name='%s'", retrievedModel.ID, retrievedModel.Name)
+			}
+		} else {
+			t.Error("Retrieved model is not of expected type")
+		}
+	})
+
+	// Test ModelPtr
+	t.Run("WithModelPtr and GetModelPtr", func(t *testing.T) {
+		type TestModel struct {
+			ID int
+		}
+		models := []*TestModel{}
+		ctx = WithModelPtr(ctx, &models)
+		retrieved := GetModelPtr(ctx)
+		if retrieved == nil {
+			t.Error("Expected modelPtr to be retrieved, got nil")
+		}
+	})
+
+	// Test Options
+	t.Run("WithOptions and GetOptions", func(t *testing.T) {
+		limit := 10
+		options := ExtendedRequestOptions{
+			RequestOptions: common.RequestOptions{
+				Limit: &limit,
+			},
+		}
+		ctx = WithOptions(ctx, options)
+		retrieved := GetOptions(ctx)
+		if retrieved == nil {
+			t.Error("Expected options to be retrieved, got nil")
+			return
+		}
+		if retrieved.Limit == nil || *retrieved.Limit != 10 {
+			t.Error("Expected options to be retrieved with limit=10")
+		}
+	})
+
+	// Test WithRequestData
+	t.Run("WithRequestData", func(t *testing.T) {
+		type TestModel struct {
+			ID   int
+			Name string
+		}
+		model := &TestModel{ID: 1, Name: "test"}
+		modelPtr := &[]*TestModel{}
+		limit := 20
+		options := ExtendedRequestOptions{
+			RequestOptions: common.RequestOptions{
+				Limit: &limit,
+			},
+		}
+
+		ctx = WithRequestData(ctx, "test_schema", "test_entity", "test_schema.test_entity", model, modelPtr, options)
+
+		if GetSchema(ctx) != "test_schema" {
+			t.Errorf("Expected schema 'test_schema', got '%s'", GetSchema(ctx))
+		}
+		if GetEntity(ctx) != "test_entity" {
+			t.Errorf("Expected entity 'test_entity', got '%s'", GetEntity(ctx))
+		}
+		if GetTableName(ctx) != "test_schema.test_entity" {
+			t.Errorf("Expected tableName 'test_schema.test_entity', got '%s'", GetTableName(ctx))
+		}
+		if GetModel(ctx) == nil {
+			t.Error("Expected model to be set")
+		}
+		if GetModelPtr(ctx) == nil {
+			t.Error("Expected modelPtr to be set")
+		}
+		opts := GetOptions(ctx)
+		if opts == nil {
+			t.Error("Expected options to be set")
+			return
+		}
+		if opts.Limit == nil || *opts.Limit != 20 {
+			t.Error("Expected options to be set with limit=20")
+		}
+	})
+}
+
+func TestEmptyContext(t *testing.T) {
+	ctx := context.Background()
+
+	t.Run("GetSchema with empty context", func(t *testing.T) {
+		schema := GetSchema(ctx)
+		if schema != "" {
+			t.Errorf("Expected empty schema, got '%s'", schema)
+		}
+	})
+
+	t.Run("GetEntity with empty context", func(t *testing.T) {
+		entity := GetEntity(ctx)
+		if entity != "" {
+			t.Errorf("Expected empty entity, got '%s'", entity)
+		}
+	})
+
+	t.Run("GetTableName with empty context", func(t *testing.T) {
+		tableName := GetTableName(ctx)
+		if tableName != "" {
+			t.Errorf("Expected empty tableName, got '%s'", tableName)
+		}
+	})
+
+	t.Run("GetModel with empty context", func(t *testing.T) {
+		model := GetModel(ctx)
+		if model != nil {
+			t.Errorf("Expected nil model, got %v", model)
+		}
+	})
+
+	t.Run("GetModelPtr with empty context", func(t *testing.T) {
+		modelPtr := GetModelPtr(ctx)
+		if modelPtr != nil {
+			t.Errorf("Expected nil modelPtr, got %v", modelPtr)
+		}
+	})
+
+	t.Run("GetOptions with empty context", func(t *testing.T) {
+		options := GetOptions(ctx)
+		// GetOptions returns nil when context is empty
+		if options != nil {
+			t.Errorf("Expected nil options in empty context, got %v", options)
+		}
+	})
+}

pkg/restheadspec/handler.go

@@ -226,8 +226,20 @@ func (h *Handler) HandleGet(w common.ResponseWriter, r common.Request, params ma
 		return
 	}
 
-	metadata := h.generateMetadata(schema, entity, model)
-	h.sendResponse(w, metadata, nil)
+	// Parse request options from headers to get response format settings
+	options := h.parseOptionsFromHeaders(r, model)
+
+	tableMetadata := h.generateMetadata(schema, entity, model)
+	// Send with formatted response to respect DetailApi/SimpleApi/Syncfusion format
+	// Create empty metadata for response wrapper
+	responseMetadata := &common.Metadata{
+		Total:    0,
+		Filtered: 0,
+		Count:    0,
+		Limit:    0,
+		Offset:   0,
+	}
+	h.sendFormattedResponse(w, tableMetadata, responseMetadata, options)
 }
 
 // handleMeta processes meta operation requests

pkg/restheadspec/handler_nested_test.go

@@ -1,3 +1,5 @@
+// +build !integration
+
 package restheadspec
 
 import (

pkg/restheadspec/headers_test.go

@@ -0,0 +1,46 @@
+package restheadspec
+
+import (
+	"testing"
+)
+
+func TestDecodeHeaderValue(t *testing.T) {
+	tests := []struct {
+		name     string
+		input    string
+		expected string
+	}{
+		{
+			name:     "Normal string",
+			input:    "test",
+			expected: "test",
+		},
+		{
+			name:     "String without encoding prefix",
+			input:    "hello world",
+			expected: "hello world",
+		},
+		{
+			name:     "Empty string",
+			input:    "",
+			expected: "",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := decodeHeaderValue(tt.input)
+			if result != tt.expected {
+				t.Errorf("Expected '%s', got '%s'", tt.expected, result)
+			}
+		})
+	}
+}
+
+// Note: The following functions are unexported (lowercase) and cannot be tested directly:
+// - parseSelectFields
+// - parseFieldFilter
+// - mapSearchOperator
+// - parseCommaSeparated
+// - parseSorting
+// These are tested indirectly through parseOptionsFromHeaders in query_params_test.go

pkg/restheadspec/integration_test.go

@@ -0,0 +1,556 @@
+// +build integration
+
+package restheadspec
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"testing"
+	"time"
+
+	"github.com/gorilla/mux"
+	"gorm.io/driver/postgres"
+	"gorm.io/gorm"
+	"gorm.io/gorm/logger"
+
+	"github.com/bitechdev/ResolveSpec/pkg/common"
+)
+
+// Test models
+type TestUser struct {
+	ID        uint      `gorm:"primaryKey" json:"id"`
+	Name      string    `gorm:"not null" json:"name"`
+	Email     string    `gorm:"uniqueIndex;not null" json:"email"`
+	Age       int       `json:"age"`
+	Active    bool      `gorm:"default:true" json:"active"`
+	CreatedAt time.Time `json:"created_at"`
+	Posts     []TestPost `gorm:"foreignKey:UserID" json:"posts,omitempty"`
+}
+
+func (TestUser) TableName() string {
+	return "test_users"
+}
+
+type TestPost struct {
+	ID        uint      `gorm:"primaryKey" json:"id"`
+	UserID    uint      `gorm:"not null" json:"user_id"`
+	Title     string    `gorm:"not null" json:"title"`
+	Content   string    `json:"content"`
+	Published bool      `gorm:"default:false" json:"published"`
+	CreatedAt time.Time `json:"created_at"`
+	User      *TestUser  `gorm:"foreignKey:UserID" json:"user,omitempty"`
+	Comments  []TestComment `gorm:"foreignKey:PostID" json:"comments,omitempty"`
+}
+
+func (TestPost) TableName() string {
+	return "test_posts"
+}
+
+type TestComment struct {
+	ID        uint      `gorm:"primaryKey" json:"id"`
+	PostID    uint      `gorm:"not null" json:"post_id"`
+	Content   string    `gorm:"not null" json:"content"`
+	CreatedAt time.Time `json:"created_at"`
+	Post      *TestPost  `gorm:"foreignKey:PostID" json:"post,omitempty"`
+}
+
+func (TestComment) TableName() string {
+	return "test_comments"
+}
+
+// Test helper functions
+func setupTestDB(t *testing.T) *gorm.DB {
+	// Get connection string from environment or use default
+	dsn := os.Getenv("TEST_DATABASE_URL")
+	if dsn == "" {
+		dsn = "host=localhost user=postgres password=postgres dbname=restheadspec_test port=5434 sslmode=disable"
+	}
+
+	db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{
+		Logger: logger.Default.LogMode(logger.Silent),
+	})
+	if err != nil {
+		t.Skipf("Skipping integration test: database not available: %v", err)
+		return nil
+	}
+
+	// Run migrations
+	err = db.AutoMigrate(&TestUser{}, &TestPost{}, &TestComment{})
+	if err != nil {
+		t.Skipf("Skipping integration test: failed to migrate database: %v", err)
+		return nil
+	}
+
+	return db
+}
+
+func cleanupTestDB(t *testing.T, db *gorm.DB) {
+	// Clean up test data
+	db.Exec("TRUNCATE TABLE test_comments CASCADE")
+	db.Exec("TRUNCATE TABLE test_posts CASCADE")
+	db.Exec("TRUNCATE TABLE test_users CASCADE")
+}
+
+func createTestData(t *testing.T, db *gorm.DB) {
+	users := []TestUser{
+		{Name: "John Doe", Email: "john@example.com", Age: 30, Active: true},
+		{Name: "Jane Smith", Email: "jane@example.com", Age: 25, Active: true},
+		{Name: "Bob Johnson", Email: "bob@example.com", Age: 35, Active: false},
+	}
+
+	for i := range users {
+		if err := db.Create(&users[i]).Error; err != nil {
+			t.Fatalf("Failed to create test user: %v", err)
+		}
+	}
+
+	posts := []TestPost{
+		{UserID: users[0].ID, Title: "First Post", Content: "Hello World", Published: true},
+		{UserID: users[0].ID, Title: "Second Post", Content: "More content", Published: true},
+		{UserID: users[1].ID, Title: "Jane's Post", Content: "Jane's content", Published: false},
+	}
+
+	for i := range posts {
+		if err := db.Create(&posts[i]).Error; err != nil {
+			t.Fatalf("Failed to create test post: %v", err)
+		}
+	}
+
+	comments := []TestComment{
+		{PostID: posts[0].ID, Content: "Great post!"},
+		{PostID: posts[0].ID, Content: "Thanks for sharing"},
+		{PostID: posts[1].ID, Content: "Interesting"},
+	}
+
+	for i := range comments {
+		if err := db.Create(&comments[i]).Error; err != nil {
+			t.Fatalf("Failed to create test comment: %v", err)
+		}
+	}
+}
+
+// Integration tests
+func TestIntegration_GetAllUsers(t *testing.T) {
+	db := setupTestDB(t)
+	defer cleanupTestDB(t, db)
+	createTestData(t, db)
+
+	handler := NewHandlerWithGORM(db)
+	handler.registry.RegisterModel("public.test_users", TestUser{})
+
+	muxRouter := mux.NewRouter()
+	SetupMuxRoutes(muxRouter, handler, nil)
+
+	req := httptest.NewRequest("GET", "/public/test_users", nil)
+	req.Header.Set("X-DetailApi", "true")
+	w := httptest.NewRecorder()
+
+	muxRouter.ServeHTTP(w, req)
+
+	if w.Code != http.StatusOK {
+		t.Errorf("Expected status 200, got %d. Body: %s", w.Code, w.Body.String())
+	}
+
+	var response common.Response
+	if err := json.Unmarshal(w.Body.Bytes(), &response); err != nil {
+		t.Fatalf("Failed to parse response: %v", err)
+	}
+
+	if !response.Success {
+		t.Errorf("Expected success=true, got %v", response.Success)
+	}
+
+	if response.Metadata == nil {
+		t.Fatal("Expected metadata, got nil")
+	}
+
+	if response.Metadata.Total != 3 {
+		t.Errorf("Expected 3 users, got %d", response.Metadata.Total)
+	}
+}
+
+func TestIntegration_GetUsersWithFilters(t *testing.T) {
+	db := setupTestDB(t)
+	defer cleanupTestDB(t, db)
+	createTestData(t, db)
+
+	handler := NewHandlerWithGORM(db)
+	handler.registry.RegisterModel("public.test_users", TestUser{})
+
+	muxRouter := mux.NewRouter()
+	SetupMuxRoutes(muxRouter, handler, nil)
+
+	// Filter: age > 25
+	req := httptest.NewRequest("GET", "/public/test_users", nil)
+	req.Header.Set("X-DetailApi", "true")
+	req.Header.Set("X-SearchOp-Gt-Age", "25")
+	w := httptest.NewRecorder()
+
+	muxRouter.ServeHTTP(w, req)
+
+	if w.Code != http.StatusOK {
+		t.Errorf("Expected status 200, got %d. Body: %s", w.Code, w.Body.String())
+	}
+
+	var response common.Response
+	if err := json.Unmarshal(w.Body.Bytes(), &response); err != nil {
+		t.Fatalf("Failed to parse response: %v", err)
+	}
+
+	if !response.Success {
+		t.Errorf("Expected success=true, got %v", response.Success)
+	}
+
+	// Should return 2 users (John: 30, Bob: 35)
+	if response.Metadata.Total != 2 {
+		t.Errorf("Expected 2 filtered users, got %d", response.Metadata.Total)
+	}
+}
+
+func TestIntegration_GetUsersWithPagination(t *testing.T) {
+	db := setupTestDB(t)
+	defer cleanupTestDB(t, db)
+	createTestData(t, db)
+
+	handler := NewHandlerWithGORM(db)
+	handler.registry.RegisterModel("public.test_users", TestUser{})
+
+	muxRouter := mux.NewRouter()
+	SetupMuxRoutes(muxRouter, handler, nil)
+
+	req := httptest.NewRequest("GET", "/public/test_users", nil)
+	req.Header.Set("X-DetailApi", "true")
+	req.Header.Set("X-Limit", "2")
+	req.Header.Set("X-Offset", "1")
+	w := httptest.NewRecorder()
+
+	muxRouter.ServeHTTP(w, req)
+
+	if w.Code != http.StatusOK {
+		t.Errorf("Expected status 200, got %d", w.Code)
+	}
+
+	var response common.Response
+	if err := json.Unmarshal(w.Body.Bytes(), &response); err != nil {
+		t.Fatalf("Failed to parse response: %v", err)
+	}
+
+	if !response.Success {
+		t.Errorf("Expected success=true, got %v", response.Success)
+	}
+
+	// Total should still be 3, but we're only retrieving 2 records starting from offset 1
+	if response.Metadata.Total != 3 {
+		t.Errorf("Expected total 3 users, got %d", response.Metadata.Total)
+	}
+
+	if response.Metadata.Limit != 2 {
+		t.Errorf("Expected limit 2, got %d", response.Metadata.Limit)
+	}
+
+	if response.Metadata.Offset != 1 {
+		t.Errorf("Expected offset 1, got %d", response.Metadata.Offset)
+	}
+}
+
+func TestIntegration_GetUsersWithSorting(t *testing.T) {
+	db := setupTestDB(t)
+	defer cleanupTestDB(t, db)
+	createTestData(t, db)
+
+	handler := NewHandlerWithGORM(db)
+	handler.registry.RegisterModel("public.test_users", TestUser{})
+
+	muxRouter := mux.NewRouter()
+	SetupMuxRoutes(muxRouter, handler, nil)
+
+	// Sort by age descending
+	req := httptest.NewRequest("GET", "/public/test_users", nil)
+	req.Header.Set("X-DetailApi", "true")
+	req.Header.Set("X-Sort", "-age")
+	w := httptest.NewRecorder()
+
+	muxRouter.ServeHTTP(w, req)
+
+	if w.Code != http.StatusOK {
+		t.Errorf("Expected status 200, got %d", w.Code)
+	}
+
+	var response common.Response
+	if err := json.Unmarshal(w.Body.Bytes(), &response); err != nil {
+		t.Fatalf("Failed to parse response: %v", err)
+	}
+
+	if !response.Success {
+		t.Errorf("Expected success=true, got %v", response.Success)
+	}
+
+	// Parse data to verify sort order
+	dataBytes, _ := json.Marshal(response.Data)
+	var users []TestUser
+	json.Unmarshal(dataBytes, &users)
+
+	if len(users) < 3 {
+		t.Fatal("Expected at least 3 users")
+	}
+
+	// Check that users are sorted by age descending (Bob:35, John:30, Jane:25)
+	if users[0].Age < users[1].Age || users[1].Age < users[2].Age {
+		t.Error("Expected users to be sorted by age descending")
+	}
+}
+
+func TestIntegration_GetUsersWithColumnsSelection(t *testing.T) {
+	db := setupTestDB(t)
+	defer cleanupTestDB(t, db)
+	createTestData(t, db)
+
+	handler := NewHandlerWithGORM(db)
+	handler.registry.RegisterModel("public.test_users", TestUser{})
+
+	muxRouter := mux.NewRouter()
+	SetupMuxRoutes(muxRouter, handler, nil)
+
+	req := httptest.NewRequest("GET", "/public/test_users", nil)
+	req.Header.Set("X-DetailApi", "true")
+	req.Header.Set("X-Columns", "id,name,email")
+	w := httptest.NewRecorder()
+
+	muxRouter.ServeHTTP(w, req)
+
+	if w.Code != http.StatusOK {
+		t.Errorf("Expected status 200, got %d. Body: %s", w.Code, w.Body.String())
+	}
+
+	var response common.Response
+	if err := json.Unmarshal(w.Body.Bytes(), &response); err != nil {
+		t.Fatalf("Failed to parse response: %v", err)
+	}
+
+	if !response.Success {
+		t.Errorf("Expected success=true, got %v", response.Success)
+	}
+
+	// Verify data was returned (column selection doesn't affect metadata count)
+	if response.Metadata.Total != 3 {
+		t.Errorf("Expected 3 users, got %d", response.Metadata.Total)
+	}
+}
+
+func TestIntegration_GetUsersWithPreload(t *testing.T) {
+	db := setupTestDB(t)
+	defer cleanupTestDB(t, db)
+	createTestData(t, db)
+
+	handler := NewHandlerWithGORM(db)
+	handler.registry.RegisterModel("public.test_users", TestUser{})
+
+	muxRouter := mux.NewRouter()
+	SetupMuxRoutes(muxRouter, handler, nil)
+
+	req := httptest.NewRequest("GET", "/public/test_users?x-fieldfilter-email=john@example.com", nil)
+	req.Header.Set("X-DetailApi", "true")
+	req.Header.Set("X-Preload", "Posts")
+	w := httptest.NewRecorder()
+
+	muxRouter.ServeHTTP(w, req)
+
+	if w.Code != http.StatusOK {
+		t.Errorf("Expected status 200, got %d. Body: %s", w.Code, w.Body.String())
+	}
+
+	var response common.Response
+	if err := json.Unmarshal(w.Body.Bytes(), &response); err != nil {
+		t.Fatalf("Failed to parse response: %v", err)
+	}
+
+	if !response.Success {
+		t.Errorf("Expected success=true, got %v", response.Success)
+	}
+
+	// Verify posts are preloaded
+	dataBytes, _ := json.Marshal(response.Data)
+	var users []TestUser
+	json.Unmarshal(dataBytes, &users)
+
+	if len(users) == 0 {
+		t.Fatal("Expected at least one user")
+	}
+
+	if len(users[0].Posts) == 0 {
+		t.Error("Expected posts to be preloaded")
+	}
+}
+
+func TestIntegration_GetMetadata(t *testing.T) {
+	db := setupTestDB(t)
+	defer cleanupTestDB(t, db)
+
+	handler := NewHandlerWithGORM(db)
+	handler.registry.RegisterModel("public.test_users", TestUser{})
+
+	muxRouter := mux.NewRouter()
+	SetupMuxRoutes(muxRouter, handler, nil)
+
+	req := httptest.NewRequest("GET", "/public/test_users/metadata", nil)
+	req.Header.Set("X-DetailApi", "true")
+	w := httptest.NewRecorder()
+
+	muxRouter.ServeHTTP(w, req)
+
+	if w.Code != http.StatusOK {
+		t.Errorf("Expected status 200, got %d. Body: %s", w.Code, w.Body.String())
+	}
+
+	var response common.Response
+	if err := json.Unmarshal(w.Body.Bytes(), &response); err != nil {
+		t.Fatalf("Failed to parse response: %v", err)
+	}
+
+	if !response.Success {
+		t.Errorf("Expected success=true, got %v. Body: %s, Error: %v", response.Success, w.Body.String(), response.Error)
+	}
+
+	// Check that metadata includes columns
+	metadataBytes, _ := json.Marshal(response.Data)
+	var metadata common.TableMetadata
+	json.Unmarshal(metadataBytes, &metadata)
+
+	if len(metadata.Columns) == 0 {
+		t.Error("Expected metadata to contain columns")
+	}
+
+	// Verify some expected columns
+	hasID := false
+	hasName := false
+	hasEmail := false
+	for _, col := range metadata.Columns {
+		if col.Name == "id" {
+			hasID = true
+		}
+		if col.Name == "name" {
+			hasName = true
+		}
+		if col.Name == "email" {
+			hasEmail = true
+		}
+	}
+
+	if !hasID || !hasName || !hasEmail {
+		t.Error("Expected metadata to contain 'id', 'name', and 'email' columns")
+	}
+}
+
+func TestIntegration_OptionsRequest(t *testing.T) {
+	db := setupTestDB(t)
+	defer cleanupTestDB(t, db)
+
+	handler := NewHandlerWithGORM(db)
+	handler.registry.RegisterModel("public.test_users", TestUser{})
+
+	muxRouter := mux.NewRouter()
+	SetupMuxRoutes(muxRouter, handler, nil)
+
+	req := httptest.NewRequest("OPTIONS", "/public/test_users", nil)
+	w := httptest.NewRecorder()
+
+	muxRouter.ServeHTTP(w, req)
+
+	if w.Code != http.StatusOK {
+		t.Errorf("Expected status 200, got %d", w.Code)
+	}
+
+	// Check CORS headers
+	if w.Header().Get("Access-Control-Allow-Origin") == "" {
+		t.Error("Expected Access-Control-Allow-Origin header")
+	}
+
+	if w.Header().Get("Access-Control-Allow-Methods") == "" {
+		t.Error("Expected Access-Control-Allow-Methods header")
+	}
+}
+
+func TestIntegration_QueryParamsOverHeaders(t *testing.T) {
+	db := setupTestDB(t)
+	defer cleanupTestDB(t, db)
+	createTestData(t, db)
+
+	handler := NewHandlerWithGORM(db)
+	handler.registry.RegisterModel("public.test_users", TestUser{})
+
+	muxRouter := mux.NewRouter()
+	SetupMuxRoutes(muxRouter, handler, nil)
+
+	// Query params should override headers
+	req := httptest.NewRequest("GET", "/public/test_users?x-limit=1", nil)
+	req.Header.Set("X-DetailApi", "true")
+	req.Header.Set("X-Limit", "10")
+	w := httptest.NewRecorder()
+
+	muxRouter.ServeHTTP(w, req)
+
+	if w.Code != http.StatusOK {
+		t.Errorf("Expected status 200, got %d", w.Code)
+	}
+
+	var response common.Response
+	if err := json.Unmarshal(w.Body.Bytes(), &response); err != nil {
+		t.Fatalf("Failed to parse response: %v", err)
+	}
+
+	if !response.Success {
+		t.Errorf("Expected success=true, got %v", response.Success)
+	}
+
+	// Query param should win (limit=1)
+	if response.Metadata.Limit != 1 {
+		t.Errorf("Expected limit 1 from query param, got %d", response.Metadata.Limit)
+	}
+}
+
+func TestIntegration_GetSingleRecord(t *testing.T) {
+	db := setupTestDB(t)
+	defer cleanupTestDB(t, db)
+	createTestData(t, db)
+
+	handler := NewHandlerWithGORM(db)
+	handler.registry.RegisterModel("public.test_users", TestUser{})
+
+	muxRouter := mux.NewRouter()
+	SetupMuxRoutes(muxRouter, handler, nil)
+
+	// Get first user ID
+	var user TestUser
+	db.Where("email = ?", "john@example.com").First(&user)
+
+	req := httptest.NewRequest("GET", fmt.Sprintf("/public/test_users/%d", user.ID), nil)
+	req.Header.Set("X-DetailApi", "true")
+	w := httptest.NewRecorder()
+
+	muxRouter.ServeHTTP(w, req)
+
+	if w.Code != http.StatusOK {
+		t.Errorf("Expected status 200, got %d. Body: %s", w.Code, w.Body.String())
+	}
+
+	var response common.Response
+	if err := json.Unmarshal(w.Body.Bytes(), &response); err != nil {
+		t.Fatalf("Failed to parse response: %v", err)
+	}
+
+	if !response.Success {
+		t.Errorf("Expected success=true, got %v", response.Success)
+	}
+
+	// Verify it's a single record
+	dataBytes, _ := json.Marshal(response.Data)
+	var resultUser TestUser
+	json.Unmarshal(dataBytes, &resultUser)
+
+	if resultUser.Email != "john@example.com" {
+		t.Errorf("Expected user with email 'john@example.com', got '%s'", resultUser.Email)
+	}
+}

pkg/restheadspec/restheadspec.go

@@ -128,15 +128,17 @@ func SetupMuxRoutes(muxRouter *mux.Router, handler *Handler, authMiddleware Midd
 		}
 
 		// Register routes for this entity
+		// IMPORTANT: Register more specific routes before wildcard routes
+
 		// GET, POST for /{schema}/{entity}
 		muxRouter.Handle(entityPath, entityHandler).Methods("GET", "POST")
 
+		// GET for metadata (using HandleGet) - MUST be registered before /{id} route
+		muxRouter.Handle(metadataPath, metadataHandler).Methods("GET")
+
 		// GET, PUT, PATCH, DELETE, POST for /{schema}/{entity}/{id}
 		muxRouter.Handle(entityWithIDPath, entityWithIDHandler).Methods("GET", "PUT", "PATCH", "DELETE", "POST")
 
-		// GET for metadata (using HandleGet)
-		muxRouter.Handle(metadataPath, metadataHandler).Methods("GET")
-
 		// OPTIONS for CORS preflight - returns metadata
 		muxRouter.Handle(entityPath, optionsEntityHandler).Methods("OPTIONS")
 		muxRouter.Handle(entityWithIDPath, optionsEntityWithIDHandler).Methods("OPTIONS")

pkg/restheadspec/restheadspec_test.go

@@ -0,0 +1,114 @@
+package restheadspec
+
+import (
+	"testing"
+)
+
+func TestParseModelName(t *testing.T) {
+	tests := []struct {
+		name           string
+		fullName       string
+		expectedSchema string
+		expectedEntity string
+	}{
+		{
+			name:           "Model with schema",
+			fullName:       "public.users",
+			expectedSchema: "public",
+			expectedEntity: "users",
+		},
+		{
+			name:           "Model without schema",
+			fullName:       "users",
+			expectedSchema: "",
+			expectedEntity: "users",
+		},
+		{
+			name:           "Model with custom schema",
+			fullName:       "myschema.products",
+			expectedSchema: "myschema",
+			expectedEntity: "products",
+		},
+		{
+			name:           "Empty string",
+			fullName:       "",
+			expectedSchema: "",
+			expectedEntity: "",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			schema, entity := parseModelName(tt.fullName)
+			if schema != tt.expectedSchema {
+				t.Errorf("Expected schema '%s', got '%s'", tt.expectedSchema, schema)
+			}
+			if entity != tt.expectedEntity {
+				t.Errorf("Expected entity '%s', got '%s'", tt.expectedEntity, entity)
+			}
+		})
+	}
+}
+
+func TestBuildRoutePath(t *testing.T) {
+	tests := []struct {
+		name         string
+		schema       string
+		entity       string
+		expectedPath string
+	}{
+		{
+			name:         "With schema",
+			schema:       "public",
+			entity:       "users",
+			expectedPath: "/public/users",
+		},
+		{
+			name:         "Without schema",
+			schema:       "",
+			entity:       "users",
+			expectedPath: "/users",
+		},
+		{
+			name:         "Custom schema",
+			schema:       "admin",
+			entity:       "logs",
+			expectedPath: "/admin/logs",
+		},
+		{
+			name:         "Empty entity with schema",
+			schema:       "public",
+			entity:       "",
+			expectedPath: "/public/",
+		},
+		{
+			name:         "Both empty",
+			schema:       "",
+			entity:       "",
+			expectedPath: "/",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			path := buildRoutePath(tt.schema, tt.entity)
+			if path != tt.expectedPath {
+				t.Errorf("Expected path '%s', got '%s'", tt.expectedPath, path)
+			}
+		})
+	}
+}
+
+func TestNewStandardMuxRouter(t *testing.T) {
+	router := NewStandardMuxRouter()
+	if router == nil {
+		t.Error("Expected router to be created, got nil")
+	}
+}
+
+func TestNewStandardBunRouter(t *testing.T) {
+	router := NewStandardBunRouter()
+	if router == nil {
+		t.Error("Expected router to be created, got nil")
+	}
+}