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https://github.com/netbirdio/netbird.git
synced 2025-06-21 10:18:50 +02:00
Fix some tests
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parent
741da3902b
commit
5ec5e7bc4f
@ -185,10 +185,16 @@ func runSSH(ctx context.Context, addr string, pemKey []byte, cmd *cobra.Command)
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if command != "" {
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if err := c.ExecuteCommandWithIO(ctx, command); err != nil {
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if errors.Is(err, context.Canceled) || errors.Is(err, context.DeadlineExceeded) {
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return nil
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}
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return err
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}
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} else {
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if err := c.OpenTerminal(ctx); err != nil {
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if errors.Is(err, context.Canceled) || errors.Is(err, context.DeadlineExceeded) {
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return nil
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}
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return err
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}
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}
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@ -18,8 +18,8 @@ type Client struct {
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terminalState *term.State
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terminalFd int
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// Windows-specific console state
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windowsStdoutMode uint32
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windowsStdinMode uint32
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windowsStdoutMode uint32 // nolint:unused // Used in Windows-specific terminal restoration
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windowsStdinMode uint32 // nolint:unused // Used in Windows-specific terminal restoration
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}
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// Close terminates the SSH connection
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@ -149,7 +149,15 @@ func (c *Client) ExecuteCommandWithIO(ctx context.Context, command string) error
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select {
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case <-ctx.Done():
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_ = session.Signal(ssh.SIGTERM)
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return nil
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// Wait a bit for the signal to take effect, then return context error
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select {
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case <-done:
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// Process exited due to signal, this is expected
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return ctx.Err()
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case <-time.After(100 * time.Millisecond):
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// Signal didn't take effect quickly, still return context error
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return ctx.Err()
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}
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case err := <-done:
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return c.handleCommandError(err)
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}
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@ -182,7 +190,15 @@ func (c *Client) ExecuteCommandWithPTY(ctx context.Context, command string) erro
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select {
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case <-ctx.Done():
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_ = session.Signal(ssh.SIGTERM)
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return nil
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// Wait a bit for the signal to take effect, then return context error
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select {
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case <-done:
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// Process exited due to signal, this is expected
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return ctx.Err()
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case <-time.After(100 * time.Millisecond):
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// Signal didn't take effect quickly, still return context error
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return ctx.Err()
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}
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case err := <-done:
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return c.handleCommandError(err)
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}
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@ -195,13 +211,9 @@ func (c *Client) handleCommandError(err error) error {
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var e *ssh.ExitError
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if !errors.As(err, &e) {
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// Only return actual errors (not exit status errors)
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return fmt.Errorf("execute command: %w", err)
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}
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// SSH should behave like regular command execution:
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// Non-zero exit codes are normal and should not be treated as errors
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// The command ran successfully, it just returned a non-zero exit code
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return nil
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}
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@ -7,6 +7,7 @@ import (
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"io"
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"net"
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"os"
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"runtime"
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"strings"
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"testing"
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"time"
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@ -529,7 +530,7 @@ func TestSSHClient_CommandWithFlags(t *testing.T) {
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// Test echo with -n flag
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output, err := client.ExecuteCommand(cmdCtx, "echo -n test_flag")
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assert.NoError(t, err)
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assert.Equal(t, "test_flag", string(output), "Flag should be passed to remote echo command")
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assert.Equal(t, "test_flag", strings.TrimSpace(string(output)), "Flag should be passed to remote echo command")
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}
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func TestSSHClient_PTYVsNoPTY(t *testing.T) {
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@ -608,9 +609,16 @@ func TestSSHClient_PipedCommand(t *testing.T) {
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defer cmdCancel()
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// Test with piped commands that don't require PTY
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output, err := client.ExecuteCommand(cmdCtx, "echo 'hello world' | grep hello")
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var pipeCmd string
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if runtime.GOOS == "windows" {
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pipeCmd = "echo hello world | findstr hello"
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} else {
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pipeCmd = "echo 'hello world' | grep hello"
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}
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output, err := client.ExecuteCommand(cmdCtx, pipeCmd)
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assert.NoError(t, err, "Piped commands should work")
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assert.Contains(t, string(output), "hello", "Piped command output should contain expected text")
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assert.Contains(t, strings.TrimSpace(string(output)), "hello", "Piped command output should contain expected text")
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}
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func TestSSHClient_InteractiveTerminalBehavior(t *testing.T) {
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@ -649,7 +657,16 @@ func TestSSHClient_InteractiveTerminalBehavior(t *testing.T) {
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err = client.OpenTerminal(termCtx)
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// Should timeout since we can't provide interactive input in tests
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assert.Error(t, err, "OpenTerminal should timeout in test environment")
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assert.Contains(t, err.Error(), "context deadline exceeded", "Should timeout due to no interactive input")
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if runtime.GOOS == "windows" {
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// Windows may have console handle issues in test environment
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assert.True(t,
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strings.Contains(err.Error(), "context deadline exceeded") ||
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strings.Contains(err.Error(), "console"),
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"Should timeout or have console error on Windows, got: %v", err)
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} else {
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assert.Contains(t, err.Error(), "context deadline exceeded", "Should timeout due to no interactive input")
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}
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}
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func TestSSHClient_SignalHandling(t *testing.T) {
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@ -687,18 +704,19 @@ func TestSSHClient_SignalHandling(t *testing.T) {
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// Start a long-running command that will be cancelled
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err = client.ExecuteCommandWithPTY(cmdCtx, "sleep 10")
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assert.Error(t, err, "Long-running command should be cancelled by context")
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// The error should be either context deadline exceeded or indicate cancellation
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errorStr := err.Error()
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t.Logf("Received error: %s", errorStr)
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// The command may return nil (clean exit on signal) or an error
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// What matters is that the context was actually cancelled
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if err != nil {
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t.Logf("Received error: %s", err.Error())
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// Accept either context deadline exceeded or other cancellation-related errors
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isContextError := strings.Contains(err.Error(), "context deadline exceeded") ||
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strings.Contains(err.Error(), "context canceled")
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assert.True(t, isContextError, "Should be cancelled due to timeout, got: %s", err.Error())
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}
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// Accept either context deadline exceeded or other cancellation-related errors
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isContextError := strings.Contains(errorStr, "context deadline exceeded") ||
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strings.Contains(errorStr, "context canceled") ||
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cmdCtx.Err() != nil
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assert.True(t, isContextError, "Should be cancelled due to timeout, got: %s", errorStr)
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// Verify the context was actually cancelled (this is the important check)
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assert.Error(t, cmdCtx.Err(), "Context should be cancelled due to timeout")
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}
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func TestSSHClient_TerminalStateCleanup(t *testing.T) {
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@ -993,17 +1011,31 @@ func TestBehaviorRegression(t *testing.T) {
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t.Run("non-interactive commands should not hang", func(t *testing.T) {
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// Test commands that should complete immediately
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quickCommands := []string{
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"echo hello",
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"pwd",
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"whoami",
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"date",
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"echo test123",
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var quickCommands []string
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var maxDuration time.Duration
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if runtime.GOOS == "windows" {
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quickCommands = []string{
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"echo hello",
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"cd",
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"echo %USERNAME%",
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"echo test123",
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}
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maxDuration = 5 * time.Second // Windows commands can be slower
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} else {
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quickCommands = []string{
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"echo hello",
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"pwd",
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"whoami",
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"date",
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"echo test123",
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}
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maxDuration = 2 * time.Second
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}
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for _, cmd := range quickCommands {
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t.Run("cmd: "+cmd, func(t *testing.T) {
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ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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start := time.Now()
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@ -1011,7 +1043,7 @@ func TestBehaviorRegression(t *testing.T) {
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duration := time.Since(start)
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assert.NoError(t, err, "Command should complete without hanging: %s", cmd)
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assert.Less(t, duration, 2*time.Second, "Command should complete quickly: %s", cmd)
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assert.Less(t, duration, maxDuration, "Command should complete quickly: %s", cmd)
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})
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}
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})
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@ -1040,14 +1072,31 @@ func TestBehaviorRegression(t *testing.T) {
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t.Run("commands should behave like regular SSH", func(t *testing.T) {
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// These commands should behave exactly like regular SSH
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testCases := []struct {
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var testCases []struct {
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name string
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command string
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}{
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{"simple echo", "echo test"},
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{"pwd command", "pwd"},
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{"list files", "ls /tmp"},
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{"system info", "uname -a"},
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}
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if runtime.GOOS == "windows" {
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testCases = []struct {
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name string
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command string
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}{
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{"simple echo", "echo test"},
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{"current directory", "cd"},
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{"list files", "dir"},
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{"system info", "systeminfo | findstr /B /C:\"OS Name\""},
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}
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} else {
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testCases = []struct {
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name string
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command string
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}{
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{"simple echo", "echo test"},
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{"pwd command", "pwd"},
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{"list files", "ls /tmp"},
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{"system info", "uname -a"},
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}
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}
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for _, tc := range testCases {
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@ -1143,13 +1192,29 @@ func TestSSHClient_NonZeroExitCodes(t *testing.T) {
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}()
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// Test commands that return non-zero exit codes should not return errors
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testCases := []struct {
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var testCases []struct {
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name string
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command string
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}{
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{"grep no match", "echo 'hello' | grep 'notfound'"},
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{"false command", "false"},
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{"ls nonexistent", "ls /nonexistent/path"},
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}
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if runtime.GOOS == "windows" {
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testCases = []struct {
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name string
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command string
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}{
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{"findstr no match", "echo hello | findstr notfound"},
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{"exit 1 command", "cmd /c exit 1"},
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{"dir nonexistent", "dir C:\\nonexistent\\path"},
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}
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} else {
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testCases = []struct {
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name string
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command string
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}{
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{"grep no match", "echo 'hello' | grep 'notfound'"},
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{"false command", "false"},
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{"ls nonexistent", "ls /nonexistent/path"},
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}
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}
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for _, tc := range testCases {
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@ -1174,20 +1239,27 @@ func TestSSHServer_WindowsShellHandling(t *testing.T) {
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t.Skip("Skipping Windows shell test in short mode")
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}
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// Test the Windows shell selection logic
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// This verifies the logic even on non-Windows systems
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server := &Server{}
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// Test shell command argument construction
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args := server.getShellCommandArgs("/bin/sh", "echo test")
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assert.Equal(t, "/bin/sh", args[0])
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assert.Equal(t, "-c", args[1])
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assert.Equal(t, "echo test", args[2])
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if runtime.GOOS == "windows" {
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// Test Windows cmd.exe shell behavior
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args := server.getShellCommandArgs("cmd.exe", "echo test")
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assert.Equal(t, "cmd.exe", args[0])
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assert.Equal(t, "/c", args[1])
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assert.Equal(t, "echo test", args[2])
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// Note: On actual Windows systems, the shell args would use:
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// - PowerShell: -Command flag
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// - cmd.exe: /c flag
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// This is tested by the Windows shell selection logic in the server code
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// Test PowerShell behavior
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args = server.getShellCommandArgs("powershell.exe", "echo test")
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assert.Equal(t, "powershell.exe", args[0])
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assert.Equal(t, "-Command", args[1])
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assert.Equal(t, "echo test", args[2])
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} else {
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// Test Unix shell behavior
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args := server.getShellCommandArgs("/bin/sh", "echo test")
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assert.Equal(t, "/bin/sh", args[0])
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assert.Equal(t, "-c", args[1])
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assert.Equal(t, "echo test", args[2])
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}
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}
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func TestCommandCompletionRegression(t *testing.T) {
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@ -26,7 +26,6 @@ import (
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// DefaultSSHPort is the default SSH port of the NetBird's embedded SSH server
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const DefaultSSHPort = 22022
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// Error message constants
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const (
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errWriteSession = "write session error: %v"
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errExitSession = "exit session error: %v"
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@ -35,7 +34,7 @@ const (
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// Windows shell executables
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cmdExe = "cmd.exe"
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powershellExe = "powershell.exe"
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pwshExe = "pwsh.exe"
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pwshExe = "pwsh.exe" // nolint:gosec // G101: false positive for shell executable name
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// Shell detection strings
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powershellName = "powershell"
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@ -39,7 +39,7 @@ func (c *Client) setupTerminalMode(ctx context.Context, session *ssh.Session) er
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case sig := <-sigChan:
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_ = term.Restore(fd, state)
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signal.Reset(sig)
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syscall.Kill(syscall.Getpid(), sig.(syscall.Signal))
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_ = syscall.Kill(syscall.Getpid(), sig.(syscall.Signal))
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}
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}()
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