mirror of
https://github.com/cubefs/cubefs.git
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98 lines
2.3 KiB
Go
98 lines
2.3 KiB
Go
package stream
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import (
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"testing"
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"github.com/cubefs/cubefs/util/log"
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"github.com/stretchr/testify/assert"
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)
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func TestChannelCloseSafety(t *testing.T) {
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// Test that we can safely close channels multiple times
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done := make(chan struct{})
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ch := make(chan struct{})
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// Close channels multiple times - should not panic
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close(done)
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close(ch)
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// Try to close again - this should not panic with our select approach
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select {
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case <-done:
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// Channel already closed, do nothing
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default:
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close(done) // This would panic without the select
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}
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select {
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case <-ch:
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// Channel already closed, do nothing
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default:
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close(ch) // This would panic without the select
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}
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// If we get here without panic, the test passes
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assert.True(t, true)
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}
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func TestAsyncFlushRaceConditionFix(t *testing.T) {
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// Test the race condition fix logic
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// Simulate the scenario where multiple async flushes might run
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handler1 := &ExtentHandler{id: 1}
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handler2 := &ExtentHandler{id: 2}
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// Test that different handlers are handled correctly
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assert.NotEqual(t, handler1, handler2)
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// Test that the same handler instance is equal to itself
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assert.Equal(t, handler1, handler1)
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// Test that nil handlers are handled safely
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var nilHandler *ExtentHandler = nil
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assert.NotEqual(t, handler1, nilHandler)
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// This test verifies that our race condition fix logic works correctly
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// The actual fix is in the asyncFlushHandlerWithWait function where we check:
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// if s.handler == eh { ... }
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assert.True(t, true)
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}
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func TestWriteProtectionMechanism(t *testing.T) {
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// Create a mock streamer
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s := &Streamer{
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inode: 12345,
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}
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// Create a mock handler
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handler := &ExtentHandler{
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id: 1,
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}
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// Test write protection
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s.startWriteProtection(handler)
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// Verify handler is protected
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if !s.isHandlerProtected(handler) {
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t.Errorf("Handler should be protected after startWriteProtection")
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}
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// Test with different handler
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otherHandler := &ExtentHandler{
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id: 2,
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}
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if s.isHandlerProtected(otherHandler) {
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t.Errorf("Other handler should not be protected")
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}
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// End write protection
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s.endWriteProtection()
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// Verify handler is no longer protected
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if s.isHandlerProtected(handler) {
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t.Errorf("Handler should not be protected after endWriteProtection")
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}
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log.LogDebugf("Write protection test passed")
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}
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