mirror of
https://github.com/johnkerl/miller.git
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d56eafff97
Replaces 100+ if/else-if chains on a single variable with tagged switch statements across 72 files. The bulk are transformer option-parsing loops (switch on opt string), plus a handful of value-dispatch sites in mlrval, dsl/cst, repl, lib, auxents, and bifs. One case (surv.go) required a labeled break to preserve the loop-exit behavior of the original else branch. Fixes staticcheck QF1003 findings. Co-authored-by: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
114 lines
3 KiB
Go
114 lines
3 KiB
Go
// TODO
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package regtest
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import (
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"fmt"
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"os"
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"strconv"
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"strings"
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)
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const defaultPath = "./test/cases"
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func regTestUsage(verbName string, o *os.File, exitCode int) {
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fmt.Fprintf(o, "Usage: mlr %s [options] [one or more directories/files]\n", verbName)
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fmt.Fprintf(o, "If no directories/files are specified, the directory %s is used by default.\n", defaultPath)
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fmt.Fprintf(o, "Recursively walks the directory/ies looking for foo.cmd files having Miller command-lines,\n")
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fmt.Fprintf(o, "with foo.expout and foo.experr files having expected stdout and stderr, respectively.\n")
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fmt.Fprintf(o, "If foo.should-fail exists and is a file, the command is expected to exit non-zero back to\n")
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fmt.Fprintf(o, "the shell.\n")
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fmt.Fprintf(o, "\n")
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fmt.Fprintf(o, "Options:\n")
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fmt.Fprintf(o, "[none] Print directory-level pass/fails, and overall pass/fail.\n")
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fmt.Fprintf(o, "-m {...} Specify name of Miller executable to use.\n")
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fmt.Fprintf(o, "-c Shorthand for -m ../c/mlr.\n")
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fmt.Fprintf(o, "-p Create the .expout and .experr files, rather than checking them.\n")
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fmt.Fprintf(o, "-v Also include pass/fail at command-file level.\n")
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fmt.Fprintf(o, "-vv Also include pass/fail reasons for each command-file.\n")
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fmt.Fprintf(o, "-vvv Also include full stdout/stderr/exit-code for each command-file.\n")
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fmt.Fprintf(o, "-j Just show the Miller command-line, put/filter script if any, and output.\n")
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fmt.Fprintf(o, "-s {n} After running tests, re-run first n failed .cmd files with verbosity level 3.\n")
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fmt.Fprintf(o, "-S After running tests, re-run all failed .cmd files with verbosity level 3.\n")
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os.Exit(exitCode)
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}
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// Here the args are the full Miller command line: "mlr regtest --foo bar".
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func RegTestMain(args []string) int {
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exeName := os.Args[0]
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verbName := args[0]
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argc := len(args)
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argi := 1
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verbosityLevel := 0
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doPopulate := false
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plainMode := false
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firstNFailsToShow := 0
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for argi < argc /* variable increment: 1 or 2 depending on flag */ {
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arg := args[argi]
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if !strings.HasPrefix(arg, "-") {
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break // No more flag options to process
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}
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argi++
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switch arg {
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case "-h", "--help":
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regTestUsage(verbName, os.Stdout, 0)
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case "-m":
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if argi >= argc {
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regTestUsage(verbName, os.Stderr, 1)
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}
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exeName = args[argi]
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argi++
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case "-s":
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if argi >= argc {
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regTestUsage(verbName, os.Stderr, 1)
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}
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temp, err := strconv.Atoi(args[argi])
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if err != nil {
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regTestUsage(verbName, os.Stderr, 1)
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}
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firstNFailsToShow = temp
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argi++
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case "-S":
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firstNFailsToShow = 1000000000
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case "-p":
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doPopulate = true
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case "-v":
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verbosityLevel++
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case "-j":
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plainMode = true
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default:
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regTestUsage(verbName, os.Stderr, 1)
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}
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}
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casePaths := args[argi:]
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if len(casePaths) == 0 {
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casePaths = []string{defaultPath}
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}
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regtester := NewRegTester(
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exeName,
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doPopulate,
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verbosityLevel,
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plainMode,
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firstNFailsToShow,
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)
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ok := regtester.Execute(casePaths)
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if !ok {
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return 1
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}
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return 0
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}
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