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|
package flags
import (
"flag"
"io"
"os"
"strings"
"testing"
"time"
)
func parseForTest(t *testing.T, args ...string) (Config, error) {
t.Helper()
oldCommandLine := flag.CommandLine
oldArgs := os.Args
oldCurrent := Get()
oldParseErr := parseErr
fs := flag.NewFlagSet("ior-test", flag.ContinueOnError)
fs.SetOutput(io.Discard)
flag.CommandLine = fs
os.Args = append([]string{"ior"}, args...)
setCurrent(NewFlags())
parseErr = nil
err := parse()
cfg := Get()
t.Cleanup(func() {
flag.CommandLine = oldCommandLine
os.Args = oldArgs
setCurrent(oldCurrent)
parseErr = oldParseErr
})
return cfg, err
}
func TestParseLiveIntervalAndPID(t *testing.T) {
cfg, err := parseForTest(t, "-live-interval", "200ms", "-pid", "1234")
if err != nil {
t.Fatalf("parse returned error: %v", err)
}
if cfg.LiveInterval != 200*time.Millisecond {
t.Fatalf("live interval = %v, want %v", cfg.LiveInterval, 200*time.Millisecond)
}
if cfg.PidFilter != 1234 {
t.Fatalf("pid filter = %d, want 1234", cfg.PidFilter)
}
if got := Get().GetPidFilter(); got != 1234 {
t.Fatalf("Get().GetPidFilter() = %d, want 1234", got)
}
}
func TestNewFlagsDefaultsAndGetters(t *testing.T) {
cfg := NewFlags()
if cfg.GetPidFilter() != -1 {
t.Fatalf("GetPidFilter() = %d, want -1", cfg.GetPidFilter())
}
if cfg.GetTidFilter() != -1 {
t.Fatalf("GetTidFilter() = %d, want -1", cfg.GetTidFilter())
}
if !cfg.GetTUIExportEnable() {
t.Fatalf("GetTUIExportEnable() = false, want true")
}
if cfg.CountField != "count" {
t.Fatalf("CountField = %q, want count", cfg.CountField)
}
}
func TestParseLiveDefaults(t *testing.T) {
cfg, err := parseForTest(t)
if err != nil {
t.Fatalf("parse returned error: %v", err)
}
if cfg.LiveInterval != 200*time.Millisecond {
t.Fatalf("default live interval = %v, want %v", cfg.LiveInterval, 200*time.Millisecond)
}
}
func TestParseTestFlamesFlag(t *testing.T) {
cfg, err := parseForTest(t, "--testflames")
if err != nil {
t.Fatalf("parse returned error: %v", err)
}
if !cfg.TestFlames {
t.Fatalf("expected --testflames to enable static flamegraph test mode")
}
}
func TestParseTestLiveFlamesFlag(t *testing.T) {
cfg, err := parseForTest(t, "--testliveflames")
if err != nil {
t.Fatalf("parse returned error: %v", err)
}
if !cfg.TestLiveFlames {
t.Fatalf("expected --testliveflames to enable synthetic live flamegraph test mode")
}
}
func TestParseFlamegraphOutputFlags(t *testing.T) {
cfg, err := parseForTest(t, "--flamegraph", "--name", "scenario-run")
if err != nil {
t.Fatalf("parse returned error: %v", err)
}
if !cfg.FlamegraphOutput {
t.Fatalf("expected --flamegraph to enable .ior.zst output mode")
}
if got, want := cfg.OutputName, "scenario-run"; got != want {
t.Fatalf("output name = %q, want %q", got, want)
}
}
func TestParseParquetOutputFlag(t *testing.T) {
cfg, err := parseForTest(t, "--parquet", "trace-run")
if err != nil {
t.Fatalf("parse returned error: %v", err)
}
if got, want := cfg.ParquetPath, "trace-run"; got != want {
t.Fatalf("parquet path = %q, want %q", got, want)
}
}
func TestParseDefaultCollapsedFieldsOrder(t *testing.T) {
cfg, err := parseForTest(t)
if err != nil {
t.Fatalf("parse returned error: %v", err)
}
want := []string{"comm", "tracepoint", "path"}
if len(cfg.CollapsedFields) != len(want) {
t.Fatalf("default collapsed fields len = %d, want %d", len(cfg.CollapsedFields), len(want))
}
for i := range want {
if cfg.CollapsedFields[i] != want[i] {
t.Fatalf("default collapsed fields[%d] = %q, want %q", i, cfg.CollapsedFields[i], want[i])
}
}
}
func TestParseInvalidCollapsedFieldReturnsError(t *testing.T) {
_, err := parseForTest(t, "-fields", "comm,invalid")
if err == nil {
t.Fatalf("expected parse error for invalid collapsed field")
}
if !strings.Contains(err.Error(), "invalid field for collapse: invalid") {
t.Fatalf("unexpected error: %v", err)
}
}
func TestParseInvalidCountFieldReturnsError(t *testing.T) {
_, err := parseForTest(t, "-count", "invalid")
if err == nil {
t.Fatalf("expected parse error for invalid count field")
}
if !strings.Contains(err.Error(), "invalid count field: invalid") {
t.Fatalf("unexpected error: %v", err)
}
}
func TestParseInvalidTracepointRegexReturnsError(t *testing.T) {
_, err := parseForTest(t, "-tps", "[")
if err == nil {
t.Fatalf("expected parse error for invalid tracepoint regex")
}
if !strings.Contains(err.Error(), "unable to compile regex") {
t.Fatalf("unexpected error: %v", err)
}
}
|
