68 lines
1.9 KiB
Go
68 lines
1.9 KiB
Go
package common
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import (
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"testing"
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)
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func TestParseProcExitCode(t *testing.T) {
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tests := []struct {
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name string
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statLine string
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wantCode int
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wantErr bool
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}{
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{
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// Real /proc/<pid>/stat line (simplified). Fields after ")" start with state.
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// The last field (field 52) is exit_code.
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name: "normal exit code 0",
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statLine: "123 (python3) S 1 123 123 0 -1 4194304 1000 0 0 0 100 50 0 0 20 0 1 0 1000 10000000 500 18446744073709551615 0 0 0 0 0 0 0 0 0 0 0 0 17 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0",
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wantCode: 0,
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},
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{
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name: "non-zero exit code",
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statLine: "456 (bash) Z 1 456 456 0 -1 4194304 100 0 0 0 10 5 0 0 20 0 1 0 500 0 0 18446744073709551615 0 0 0 0 0 0 0 0 0 0 0 0 17 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 256",
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wantCode: 256, // signal 1 encoded as WaitStatus
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},
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{
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// Process names can contain spaces and parentheses.
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// The parser must use LastIndex(")") to handle this correctly.
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name: "process name with spaces and parens",
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statLine: "789 (python3 -m vllm.entrypoints.openai.api_server (worker)) S 1 789 789 0 -1 0 0 0 0 0 0 0 0 0 20 0 1 0 100 0 0 0 0 0 0 0 0 0 0 0 0 0 17 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 42",
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wantCode: 42,
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},
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{
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name: "malformed line no closing paren",
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statLine: "123 (python3 S 1 123",
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wantErr: true,
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},
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{
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name: "empty string",
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statLine: "",
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wantErr: true,
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},
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{
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name: "only pid and comm, nothing after paren",
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statLine: "1 (init)",
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wantErr: true,
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},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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ws, err := ParseProcExitCode(tc.statLine)
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if tc.wantErr {
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if err == nil {
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t.Errorf("expected error, got WaitStatus=%d", ws)
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}
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return
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}
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if int(ws) != tc.wantCode {
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t.Errorf("exit code = %d, want %d", int(ws), tc.wantCode)
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}
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})
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}
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}
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