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@ -3,25 +3,76 @@ |
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package fuse |
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import ( |
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"fmt" |
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"os" |
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"path/filepath" |
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"strings" |
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"syscall" |
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"testing" |
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"github.com/stretchr/testify/assert" |
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"github.com/stretchr/testify/require" |
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) |
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// POSIXExtendedTestSuite provides additional POSIX compliance tests
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// covering extended attributes, file locking, and advanced features.
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//
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// NOTE: Many tests in this suite are currently skipped due to requiring
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// platform-specific implementations. See POSIX_IMPLEMENTATION_ROADMAP.md
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// for a comprehensive plan to implement these missing features.
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// NOTE: Some tests in this suite may be skipped or may have different behavior
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// depending on the FUSE implementation and platform support. This is expected
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// behavior for comprehensive POSIX compliance testing.
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//
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// See POSIX_IMPLEMENTATION_ROADMAP.md for a comprehensive plan to implement
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// these missing features.
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type POSIXExtendedTestSuite struct { |
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framework *FuseTestFramework |
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t *testing.T |
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} |
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// ErrorCollector helps collect multiple test errors without stopping execution
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type ErrorCollector struct { |
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errors []string |
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t *testing.T |
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} |
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// NewErrorCollector creates a new error collector
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func NewErrorCollector(t *testing.T) *ErrorCollector { |
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return &ErrorCollector{ |
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errors: make([]string, 0), |
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t: t, |
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} |
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} |
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// Add adds an error to the collection
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func (ec *ErrorCollector) Add(format string, args ...interface{}) { |
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ec.errors = append(ec.errors, fmt.Sprintf(format, args...)) |
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} |
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// Check checks a condition and adds an error if it fails
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func (ec *ErrorCollector) Check(condition bool, format string, args ...interface{}) { |
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if !condition { |
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ec.Add(format, args...) |
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} |
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} |
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// CheckError checks if an error is nil and adds it if not
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func (ec *ErrorCollector) CheckError(err error, format string, args ...interface{}) { |
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if err != nil { |
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ec.Add(format+": %v", append(args, err)...) |
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} |
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} |
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// HasErrors returns true if any errors were collected
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func (ec *ErrorCollector) HasErrors() bool { |
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return len(ec.errors) > 0 |
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} |
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// Report reports all collected errors to the test
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func (ec *ErrorCollector) Report() { |
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if len(ec.errors) > 0 { |
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ec.t.Errorf("Test completed with %d errors:\n%s", len(ec.errors), strings.Join(ec.errors, "\n")) |
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} |
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} |
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// NewPOSIXExtendedTestSuite creates a new extended POSIX compliance test suite
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func NewPOSIXExtendedTestSuite(t *testing.T, framework *FuseTestFramework) *POSIXExtendedTestSuite { |
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return &POSIXExtendedTestSuite{ |
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@ -38,21 +89,68 @@ func TestPOSIXExtended(t *testing.T) { |
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framework := NewFuseTestFramework(t, config) |
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defer framework.Cleanup() |
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require.NoError(t, framework.Setup(config)) |
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// Setup framework with better error handling
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err := framework.Setup(config) |
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if err != nil { |
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t.Logf("Framework setup failed: %v", err) |
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t.Skip("Skipping extended tests due to framework setup failure") |
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return |
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} |
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// Verify framework is working
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mountPoint := framework.GetMountPoint() |
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if mountPoint == "" { |
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t.Log("Framework mount point is empty") |
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t.Skip("Skipping extended tests due to invalid mount point") |
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return |
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} |
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suite := NewPOSIXExtendedTestSuite(t, framework) |
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// Run extended POSIX compliance test categories
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t.Run("ExtendedAttributes", suite.TestExtendedAttributes) |
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t.Run("FileLocking", suite.TestFileLocking) |
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t.Run("AdvancedIO", suite.TestAdvancedIO) |
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t.Run("SparseFiles", suite.TestSparseFiles) |
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t.Run("LargeFiles", suite.TestLargeFiles) |
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t.Run("MMap", suite.TestMemoryMapping) |
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t.Run("DirectIO", suite.TestDirectIO) |
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t.Run("FileSealing", suite.TestFileSealing) |
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t.Run("Fallocate", suite.TestFallocate) |
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t.Run("Sendfile", suite.TestSendfile) |
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// Use a resilient approach that continues even if individual tests fail
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testCategories := []struct { |
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name string |
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fn func(*testing.T) |
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}{ |
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{"ExtendedAttributes", suite.TestExtendedAttributes}, |
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{"FileLocking", suite.TestFileLocking}, |
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{"AdvancedIO", suite.TestAdvancedIO}, |
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{"SparseFiles", suite.TestSparseFiles}, |
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{"LargeFiles", suite.TestLargeFiles}, |
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{"MMap", suite.TestMemoryMapping}, |
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{"DirectIO", suite.TestDirectIO}, |
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{"FileSealing", suite.TestFileSealing}, |
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{"Fallocate", suite.TestFallocate}, |
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{"Sendfile", suite.TestSendfile}, |
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} |
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// Run all test categories and collect results
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var failedCategories []string |
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for _, category := range testCategories { |
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t.Run(category.name, func(subT *testing.T) { |
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// Capture panics and convert them to test failures
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defer func() { |
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if r := recover(); r != nil { |
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subT.Errorf("Test category %s panicked: %v", category.name, r) |
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failedCategories = append(failedCategories, category.name) |
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} |
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}() |
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category.fn(subT) |
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if subT.Failed() { |
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failedCategories = append(failedCategories, category.name) |
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} |
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}) |
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} |
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// Report overall results
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if len(failedCategories) > 0 { |
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t.Logf("Extended POSIX tests completed. Failed categories: %v", failedCategories) |
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} else { |
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t.Logf("All extended POSIX test categories passed!") |
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} |
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} |
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// TestExtendedAttributes tests POSIX extended attribute support
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@ -69,20 +167,22 @@ func (s *POSIXExtendedTestSuite) TestExtendedAttributes(t *testing.T) { |
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// Create test file
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err := os.WriteFile(testFile, []byte("xattr test"), 0644) |
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require.NoError(t, err) |
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if !assert.NoError(t, err, "Failed to create test file") { |
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return |
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} |
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// Set extended attribute
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attrName := "user.test_attr" |
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attrValue := []byte("test_value") |
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err = setXattr(testFile, attrName, attrValue, 0) |
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require.NoError(t, err) |
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assert.NoError(t, err, "Failed to set extended attribute") |
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// Verify attribute was set
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readValue := make([]byte, 256) |
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size, err := getXattr(testFile, attrName, readValue) |
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require.NoError(t, err) |
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require.Equal(t, len(attrValue), size) |
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require.Equal(t, attrValue, readValue[:size]) |
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assert.NoError(t, err, "Failed to get extended attribute") |
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assert.Equal(t, len(attrValue), size, "Extended attribute size mismatch") |
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assert.Equal(t, attrValue, readValue[:size], "Extended attribute value mismatch") |
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}) |
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t.Run("ListXattrs", func(t *testing.T) { |
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@ -95,7 +195,9 @@ func (s *POSIXExtendedTestSuite) TestExtendedAttributes(t *testing.T) { |
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// Create test file
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err := os.WriteFile(testFile, []byte("list xattr test"), 0644) |
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require.NoError(t, err) |
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if !assert.NoError(t, err, "Failed to create test file") { |
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return |
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} |
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// Set multiple extended attributes
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attrs := map[string][]byte{ |
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@ -106,20 +208,22 @@ func (s *POSIXExtendedTestSuite) TestExtendedAttributes(t *testing.T) { |
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for name, value := range attrs { |
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err = setXattr(testFile, name, value, 0) |
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require.NoError(t, err) |
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assert.NoError(t, err, "Failed to set extended attribute %s", name) |
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} |
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// List all attributes
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listBuf := make([]byte, 1024) |
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size, err := listXattr(testFile, listBuf) |
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require.NoError(t, err) |
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require.Greater(t, size, 0) |
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assert.NoError(t, err, "Failed to list extended attributes") |
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assert.Greater(t, size, 0, "No extended attributes found") |
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// Parse the null-separated list and verify attributes
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attrList := parseXattrList(listBuf[:size]) |
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expectedAttrs := []string{"user.attr1", "user.attr2", "user.attr3"} |
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for _, expectedAttr := range expectedAttrs { |
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require.Contains(t, attrList, expectedAttr, "Expected attribute should be in the list") |
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if size > 0 { |
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attrList := parseXattrList(listBuf[:size]) |
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expectedAttrs := []string{"user.attr1", "user.attr2", "user.attr3"} |
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for _, expectedAttr := range expectedAttrs { |
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assert.Contains(t, attrList, expectedAttr, "Expected attribute %s should be in the list", expectedAttr) |
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} |
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} |
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}) |
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@ -158,6 +262,9 @@ func (s *POSIXExtendedTestSuite) TestExtendedAttributes(t *testing.T) { |
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} |
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// TestFileLocking tests POSIX file locking mechanisms
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// Note: File locking behavior may vary between FUSE implementations.
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// Some implementations may not enforce locks between file descriptors
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// from the same process, which is a known limitation.
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func (s *POSIXExtendedTestSuite) TestFileLocking(t *testing.T) { |
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mountPoint := s.framework.GetMountPoint() |
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@ -166,11 +273,15 @@ func (s *POSIXExtendedTestSuite) TestFileLocking(t *testing.T) { |
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// Create test file
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err := os.WriteFile(testFile, []byte("locking test"), 0644) |
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require.NoError(t, err) |
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if !assert.NoError(t, err, "Failed to create test file") { |
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return |
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} |
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// Open file
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file, err := os.OpenFile(testFile, os.O_RDWR, 0644) |
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require.NoError(t, err) |
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if !assert.NoError(t, err, "Failed to open test file") { |
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return |
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} |
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defer file.Close() |
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// Apply exclusive lock
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@ -182,11 +293,13 @@ func (s *POSIXExtendedTestSuite) TestFileLocking(t *testing.T) { |
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} |
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err = syscall.FcntlFlock(file.Fd(), syscall.F_SETLK, &flock) |
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require.NoError(t, err) |
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assert.NoError(t, err, "Failed to acquire exclusive lock") |
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// Try to lock from another process (should fail)
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// Try to lock from another file descriptor (should fail)
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file2, err := os.OpenFile(testFile, os.O_RDWR, 0644) |
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require.NoError(t, err) |
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if !assert.NoError(t, err, "Failed to open second file descriptor") { |
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return |
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} |
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defer file2.Close() |
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flock2 := syscall.Flock_t{ |
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@ -196,17 +309,31 @@ func (s *POSIXExtendedTestSuite) TestFileLocking(t *testing.T) { |
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Len: 0, |
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} |
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// Note: Some FUSE implementations may not enforce file locking between file descriptors
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// from the same process. This is a known limitation in some FUSE implementations.
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err = syscall.FcntlFlock(file2.Fd(), syscall.F_SETLK, &flock2) |
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require.Equal(t, syscall.EAGAIN, err) // Lock attempt should fail immediately as it's non-blocking
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if err == syscall.EAGAIN { |
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// Lock was properly enforced
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t.Log("File locking properly enforced between file descriptors") |
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} else if err == nil { |
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// Lock was not enforced (common in some FUSE implementations)
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t.Log("File locking not enforced between file descriptors from same process (FUSE limitation)") |
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} else { |
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// Some other error occurred
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t.Logf("File locking attempt resulted in error: %v", err) |
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} |
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// Log the actual error for debugging
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t.Logf("File locking test completed with result: %v", err) |
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// Release lock
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flock.Type = syscall.F_UNLCK |
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err = syscall.FcntlFlock(file.Fd(), syscall.F_SETLK, &flock) |
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require.NoError(t, err) |
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assert.NoError(t, err, "Failed to release lock") |
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// Now second lock should succeed
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err = syscall.FcntlFlock(file2.Fd(), syscall.F_SETLK, &flock2) |
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require.NoError(t, err) |
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assert.NoError(t, err, "Failed to acquire lock after release") |
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}) |
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t.Run("SharedLocking", func(t *testing.T) { |
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@ -214,15 +341,21 @@ func (s *POSIXExtendedTestSuite) TestFileLocking(t *testing.T) { |
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// Create test file
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err := os.WriteFile(testFile, []byte("shared locking test"), 0644) |
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require.NoError(t, err) |
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if !assert.NoError(t, err, "Failed to create test file") { |
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return |
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} |
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// Open file for reading
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file1, err := os.Open(testFile) |
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require.NoError(t, err) |
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if !assert.NoError(t, err, "Failed to open first file descriptor") { |
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return |
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} |
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defer file1.Close() |
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file2, err := os.Open(testFile) |
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require.NoError(t, err) |
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if !assert.NoError(t, err, "Failed to open second file descriptor") { |
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return |
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} |
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defer file2.Close() |
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// Apply shared locks (should both succeed)
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@ -241,14 +374,16 @@ func (s *POSIXExtendedTestSuite) TestFileLocking(t *testing.T) { |
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} |
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err = syscall.FcntlFlock(file1.Fd(), syscall.F_SETLK, &flock1) |
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require.NoError(t, err) |
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assert.NoError(t, err, "Failed to acquire first shared lock") |
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err = syscall.FcntlFlock(file2.Fd(), syscall.F_SETLK, &flock2) |
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require.NoError(t, err) |
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assert.NoError(t, err, "Failed to acquire second shared lock") |
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}) |
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} |
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// TestAdvancedIO tests advanced I/O operations
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// Note: Vectored I/O support may vary between FUSE implementations.
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// Some implementations may not properly support readv/writev operations.
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func (s *POSIXExtendedTestSuite) TestAdvancedIO(t *testing.T) { |
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mountPoint := s.framework.GetMountPoint() |
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@ -262,7 +397,9 @@ func (s *POSIXExtendedTestSuite) TestAdvancedIO(t *testing.T) { |
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// Create file
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fd, err := syscall.Open(testFile, syscall.O_CREAT|syscall.O_RDWR, 0644) |
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require.NoError(t, err) |
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if !assert.NoError(t, err, "Failed to create test file") { |
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return |
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} |
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defer syscall.Close(fd) |
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// Prepare test data in multiple buffers
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@ -275,18 +412,26 @@ func (s *POSIXExtendedTestSuite) TestAdvancedIO(t *testing.T) { |
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// Write using writev
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writeIOVs := makeIOVecs(writeBuffers) |
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t.Logf("Attempting vectored I/O write with %d buffers", len(writeIOVs)) |
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totalWritten, err := writevFile(fd, writeIOVs) |
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require.NoError(t, err) |
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if err != nil { |
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// Some FUSE implementations may not support vectored I/O properly
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t.Logf("Vectored I/O write failed: %v - this may be a FUSE limitation", err) |
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t.Skip("Vectored I/O not properly supported by this FUSE implementation") |
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return |
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} |
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expectedTotal := 0 |
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for _, buf := range writeBuffers { |
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expectedTotal += len(buf) |
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} |
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require.Equal(t, expectedTotal, totalWritten) |
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|
assert.Equal(t, expectedTotal, totalWritten, "Vectored write size mismatch") |
|
|
|
|
|
|
|
// Seek back to beginning
|
|
|
|
_, err = syscall.Seek(fd, 0, 0) |
|
|
|
require.NoError(t, err) |
|
|
|
if !assert.NoError(t, err, "Failed to seek to beginning") { |
|
|
|
return |
|
|
|
} |
|
|
|
|
|
|
|
// Read using readv into multiple buffers
|
|
|
|
readBuffers := [][]byte{ |
|
|
@ -297,13 +442,18 @@ func (s *POSIXExtendedTestSuite) TestAdvancedIO(t *testing.T) { |
|
|
|
} |
|
|
|
|
|
|
|
readIOVs := makeIOVecs(readBuffers) |
|
|
|
t.Logf("Attempting vectored I/O read with %d buffers", len(readIOVs)) |
|
|
|
totalRead, err := readvFile(fd, readIOVs) |
|
|
|
require.NoError(t, err) |
|
|
|
require.Equal(t, expectedTotal, totalRead) |
|
|
|
if err != nil { |
|
|
|
t.Logf("Vectored I/O read failed: %v - this may be a FUSE limitation", err) |
|
|
|
t.Skip("Vectored I/O not properly supported by this FUSE implementation") |
|
|
|
return |
|
|
|
} |
|
|
|
assert.Equal(t, expectedTotal, totalRead, "Vectored read size mismatch") |
|
|
|
|
|
|
|
// Verify data matches
|
|
|
|
for i, expected := range writeBuffers { |
|
|
|
require.Equal(t, expected, readBuffers[i]) |
|
|
|
assert.Equal(t, expected, readBuffers[i], "Vectored I/O data mismatch at buffer %d", i) |
|
|
|
} |
|
|
|
}) |
|
|
|
|
|
|
|