38 lines
1.1 KiB
Go
38 lines
1.1 KiB
Go
package main
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import (
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"os"
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"os/exec"
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)
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// Executor abstracts system operations to allow for easy mocking in tests.
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type Executor interface {
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// Execute runs a system command and returns combined stdout/stderr.
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Execute(command string, args ...string) ([]byte, error)
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// WriteFile writes data to a file with specified permissions.
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WriteFile(path string, data []byte, perm os.FileMode) error
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// ReadFile reads the content of a file.
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ReadFile(path string) ([]byte, error)
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}
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// SystemExecutor is the production implementation that performs real system calls.
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type SystemExecutor struct{}
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// Execute runs a real system command.
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func (s *SystemExecutor) Execute(command string, args ...string) ([]byte, error) {
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cmd := exec.Command(command, args...)
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return cmd.CombinedOutput()
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}
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// WriteFile performs a real file write.
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func (s *SystemExecutor) WriteFile(path string, data []byte, perm os.FileMode) error {
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return os.WriteFile(path, data, perm)
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}
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// ReadFile performs a real file read.
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func (s *SystemExecutor) ReadFile(path string) ([]byte, error) {
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return os.ReadFile(path)
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}
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