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package main
import (
"fmt"
"io/fs"
"os"
"path/filepath"
"strings"
tomltest "github.com/BurntSushi/toml-test"
"zgo.at/zli"
)
var hlErr = zli.ColorHex("#f6d6d6").Bg() | zli.Black | zli.Bold
var version = "git"
func parseFlags() (tomltest.Runner, []string, int, string) {
f := zli.NewFlags(os.Args)
var (
help = f.Bool(false, "help", "h")
versionFlag = f.Bool(false, "version", "V")
encoder = f.Bool(false, "encoder")
testDir = f.String("", "testdir")
showAll = f.IntCounter(0, "v")
color = f.String("always", "color")
skip = f.StringList(nil, "skip")
run = f.StringList(nil, "run")
)
zli.F(f.Parse())
if help.Bool() {
fmt.Printf(usage, filepath.Base(os.Args[0]))
zli.Exit(0)
}
if versionFlag.Bool() {
fmt.Println(version)
zli.Exit(0)
}
r := tomltest.Runner{
Encoder: encoder.Bool(),
RunTests: run.StringsSplit(","),
SkipTests: skip.StringsSplit(","),
}
if len(f.Args) == 0 {
zli.Fatalf("no parser command")
}
for _, r := range r.RunTests {
_, err := filepath.Match(r, "")
if err != nil {
zli.Fatalf("invalid glob pattern %q in -run: %s", r, err)
}
}
for _, r := range r.SkipTests {
_, err := filepath.Match(r, "")
if err != nil {
zli.Fatalf("invalid glob pattern %q in -skip: %s", r, err)
}
}
r.Files = tomltest.EmbeddedTests()
if testDir.Set() {
r.Files = os.DirFS(testDir.String())
// So I used the path to toml-dir a few times, be forgiving by looking
// for a "tests" directory and sub-ing to that.
ls, err := fs.ReadDir(r.Files, ".")
zli.F(err)
var f, t int
for _, l := range ls {
if l.IsDir() && (l.Name() == "valid" || l.Name() == "invalid") {
f++
}
if l.IsDir() && l.Name() == "tests" {
t++
}
}
if f < 2 {
if t == 0 {
zli.Fatalf("%q does not seem to contain any tests (no valid and/or invalid directory)", testDir)
}
r.Files, err = fs.Sub(r.Files, "tests")
zli.F(err)
}
}
r.Parser = tomltest.NewCommandParser(r.Files, f.Args)
switch color.String() {
case "always", "yes":
zli.WantColor = true
case "never", "no":
zli.WantColor = false
case "bold", "monochrome":
zli.WantColor = true
hlErr = zli.Bold
default:
zli.Fatalf("invalid value for -color: %q", color)
}
return r, f.Args, showAll.Int(), testDir.String()
}
func main() {
runner, cmd, showAll, testDir := parseFlags()
tests, err := runner.Run()
zli.F(err)
for _, t := range tests.Tests {
if t.Failed() || showAll > 1 {
fmt.Print(detailed(runner, t))
} else if showAll == 1 {
fmt.Print(short(runner, t))
}
}
fmt.Printf("toml-test %s: ", cmd)
if testDir == "" {
fmt.Print("using embeded tests: ")
} else {
fmt.Printf("tests from %q: ", testDir)
}
fmt.Printf("%3d passed, %2d failed", tests.Passed, tests.Failed)
if tests.Skipped > 0 {
fmt.Printf(", %2d skipped", tests.Skipped)
}
fmt.Println()
if tests.Failed > 0 {
zli.Exit(1)
}
zli.Exit(0)
}
func short(r tomltest.Runner, t tomltest.Test) string {
b := new(strings.Builder)
switch {
case t.Failure != "":
b.WriteString(zli.Colorf("FAIL", hlErr))
b.WriteByte(' ')
b.WriteString(zli.Bold.String())
b.WriteString(t.Path)
b.WriteString(zli.Reset.String())
case t.Skipped:
b.WriteString(hlErr.String())
b.WriteString("SKIP")
b.WriteString(zli.Reset.String())
b.WriteByte(' ')
b.WriteString(t.Path)
default:
b.WriteString("PASS ")
b.WriteString(t.Path)
}
b.WriteByte('\n')
return b.String()
}
func detailed(r tomltest.Runner, t tomltest.Test) string {
b := new(strings.Builder)
b.WriteString(short(r, t))
if t.Failed() {
b.WriteString(indentWith(
indent(t.Failure, 4),
zli.Colorf(" ", hlErr)))
b.WriteByte('\n')
}
showStream(b, "input sent to parser-cmd", t.Input)
if t.OutputFromStderr {
showStream(b, "output from parser-cmd (stderr)", t.Output)
} else {
showStream(b, "output from parser-cmd (stdout)", t.Output)
}
if t.Type() == tomltest.TypeValid {
showStream(b, "want", t.Want)
} else {
showStream(b, "want", "Exit code 1")
}
b.WriteByte('\n')
return b.String()
}
func showStream(b *strings.Builder, name, s string) {
b.WriteByte('\n')
fmt.Fprintln(b, zli.Colorf(" "+name+":", zli.Bold))
if s == "" {
fmt.Fprintln(b, " <empty>")
return
}
fmt.Fprintln(b, indent(s, 7))
}
func indentWith(s, with string) string {
return with + strings.ReplaceAll(strings.TrimRight(s, "\n"), "\n", "\n"+with)
}
func indent(s string, n int) string {
sp := strings.Repeat(" ", n)
return sp + strings.ReplaceAll(strings.TrimRight(s, "\n"), "\n", "\n"+sp)
}
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