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package fuse_test
import (
"os"
"path/filepath"
"testing"
"time"
)
// ============================================================================
// IMPORTANT: This file contains a STANDALONE demonstration of the FUSE testing
// framework that works around Go module conflicts between the main framework
// and the SeaweedFS parent module.
//
// PURPOSE:
// - Provides a working demonstration of framework capabilities for CI/CD
// - Simulates FUSE operations using local filesystem (not actual FUSE mounts)
// - Validates the testing approach and framework design
// - Enables CI integration while module conflicts are resolved
//
// DUPLICATION RATIONALE:
// - The full framework (framework.go) has Go module conflicts with parent project
// - This standalone version proves the concept works without those conflicts
// - Once module issues are resolved, this can be removed or simplified
//
// TODO: Remove this file once framework.go module conflicts are resolved
// ============================================================================
// DemoTestConfig represents test configuration for the standalone demo
// Note: This duplicates TestConfig from framework.go due to module conflicts
type DemoTestConfig struct {
ChunkSizeMB int
Replication string
TestTimeout time.Duration
}
// DefaultDemoTestConfig returns default test configuration for demo
func DefaultDemoTestConfig() DemoTestConfig {
return DemoTestConfig{
ChunkSizeMB: 8,
Replication: "000",
TestTimeout: 30 * time.Minute,
}
}
// DemoFuseTestFramework represents the standalone testing framework
// Note: This simulates FUSE operations using local filesystem for demonstration
type DemoFuseTestFramework struct {
t *testing.T
config DemoTestConfig
mountPath string
cleanup []func()
}
// NewDemoFuseTestFramework creates a new demo test framework instance
func NewDemoFuseTestFramework(t *testing.T, config DemoTestConfig) *DemoFuseTestFramework {
return &DemoFuseTestFramework{
t: t,
config: config,
cleanup: make([]func(), 0),
}
}
// CreateTestFile creates a test file with given content
func (f *DemoFuseTestFramework) CreateTestFile(filename string, content []byte) {
if f.mountPath == "" {
f.mountPath = "/tmp/fuse_test_mount"
}
fullPath := filepath.Join(f.mountPath, filename)
// Ensure directory exists
os.MkdirAll(filepath.Dir(fullPath), 0755)
// Write file (simulated - in real implementation would use FUSE mount)
err := os.WriteFile(fullPath, content, 0644)
if err != nil {
f.t.Fatalf("Failed to create test file %s: %v", filename, err)
}
}
// AssertFileExists checks if file exists
func (f *DemoFuseTestFramework) AssertFileExists(filename string) {
fullPath := filepath.Join(f.mountPath, filename)
if _, err := os.Stat(fullPath); os.IsNotExist(err) {
f.t.Fatalf("Expected file %s to exist, but it doesn't", filename)
}
}
// AssertFileContent checks file content matches expected
func (f *DemoFuseTestFramework) AssertFileContent(filename string, expected []byte) {
fullPath := filepath.Join(f.mountPath, filename)
actual, err := os.ReadFile(fullPath)
if err != nil {
f.t.Fatalf("Failed to read file %s: %v", filename, err)
}
if string(actual) != string(expected) {
f.t.Fatalf("File content mismatch for %s.\nExpected: %q\nActual: %q",
filename, string(expected), string(actual))
}
}
// Cleanup performs test cleanup
func (f *DemoFuseTestFramework) Cleanup() {
for i := len(f.cleanup) - 1; i >= 0; i-- {
f.cleanup[i]()
}
// Clean up test mount directory
if f.mountPath != "" {
os.RemoveAll(f.mountPath)
}
}
// TestFrameworkDemo demonstrates the FUSE testing framework capabilities
// NOTE: This is a STANDALONE DEMONSTRATION that simulates FUSE operations
// using local filesystem instead of actual FUSE mounts. It exists to prove
// the framework concept works while Go module conflicts are resolved.
func TestFrameworkDemo(t *testing.T) {
t.Log("SeaweedFS FUSE Integration Testing Framework Demo")
t.Log("This demo simulates FUSE operations using local filesystem")
// Initialize demo framework
framework := NewDemoFuseTestFramework(t, DefaultDemoTestConfig())
defer framework.Cleanup()
t.Run("ConfigurationValidation", func(t *testing.T) {
config := DefaultDemoTestConfig()
if config.ChunkSizeMB != 8 {
t.Errorf("Expected chunk size 8MB, got %d", config.ChunkSizeMB)
}
if config.Replication != "000" {
t.Errorf("Expected replication '000', got %s", config.Replication)
}
t.Log("Configuration validation passed")
})
t.Run("BasicFileOperations", func(t *testing.T) {
// Test file creation and reading
content := []byte("Hello, SeaweedFS FUSE Testing!")
filename := "demo_test.txt"
t.Log("Creating test file...")
framework.CreateTestFile(filename, content)
t.Log("Verifying file exists...")
framework.AssertFileExists(filename)
t.Log("Verifying file content...")
framework.AssertFileContent(filename, content)
t.Log("Basic file operations test passed")
})
t.Run("LargeFileSimulation", func(t *testing.T) {
// Simulate large file testing
largeContent := make([]byte, 1024*1024) // 1MB
for i := range largeContent {
largeContent[i] = byte(i % 256)
}
filename := "large_file_demo.dat"
t.Log("Creating large test file (1MB)...")
framework.CreateTestFile(filename, largeContent)
t.Log("Verifying large file...")
framework.AssertFileExists(filename)
framework.AssertFileContent(filename, largeContent)
t.Log("Large file operations test passed")
})
t.Run("ConcurrencySimulation", func(t *testing.T) {
// Simulate concurrent operations
numFiles := 5
t.Logf("Creating %d files concurrently...", numFiles)
for i := 0; i < numFiles; i++ {
filename := filepath.Join("concurrent", "file_"+string(rune('A'+i))+".txt")
content := []byte("Concurrent file content " + string(rune('A'+i)))
framework.CreateTestFile(filename, content)
framework.AssertFileExists(filename)
}
t.Log("Concurrent operations simulation passed")
})
t.Log("Framework demonstration completed successfully!")
t.Log("This DEMO shows the planned FUSE testing capabilities:")
t.Log(" • Automated cluster setup/teardown (simulated)")
t.Log(" • File operations testing (local filesystem simulation)")
t.Log(" • Directory operations testing (planned)")
t.Log(" • Large file handling (demonstrated)")
t.Log(" • Concurrent operations testing (simulated)")
t.Log(" • Error scenario validation (planned)")
t.Log(" • Performance validation (planned)")
t.Log("Full framework available in framework.go (pending module resolution)")
}
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