moth/cmd/transpile/main_test.go

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package main
import (
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"archive/zip"
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"bytes"
"encoding/json"
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"io/ioutil"
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"strings"
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"testing"
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"github.com/dirtbags/moth/pkg/transpile"
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"github.com/spf13/afero"
)
var testMothYaml = []byte(`---
answers:
- YAML answer
authors:
- Arthur
- Buster
- DW
attachments:
- filename: moo.txt
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---
YAML body
`)
func newTestFs() afero.Fs {
fs := afero.NewMemMapFs()
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afero.WriteFile(fs, "cat0/1/puzzle.md", testMothYaml, 0644)
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afero.WriteFile(fs, "cat0/1/moo.txt", []byte("Moo."), 0644)
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afero.WriteFile(fs, "cat0/2/puzzle.moth", testMothYaml, 0644)
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afero.WriteFile(fs, "cat0/3/puzzle.moth", testMothYaml, 0644)
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afero.WriteFile(fs, "cat0/4/puzzle.md", testMothYaml, 0644)
afero.WriteFile(fs, "cat0/5/puzzle.md", testMothYaml, 0644)
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afero.WriteFile(fs, "cat0/10/puzzle.md", testMothYaml, 0644)
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afero.WriteFile(fs, "unbroken/1/puzzle.md", testMothYaml, 0644)
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afero.WriteFile(fs, "unbroken/1/moo.txt", []byte("Moo."), 0644)
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afero.WriteFile(fs, "unbroken/2/puzzle.md", testMothYaml, 0644)
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afero.WriteFile(fs, "unbroken/2/moo.txt", []byte("Moo."), 0644)
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return fs
}
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func (tp T) Run(args ...string) error {
tp.Args = append([]string{"transpile"}, args...)
command, err := tp.ParseArgs()
if err != nil {
return err
}
return command()
}
func TestTranspilerEverything(t *testing.T) {
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stdout := new(bytes.Buffer)
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stderr := new(bytes.Buffer)
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tp := T{
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Stdout: stdout,
Stderr: stderr,
BaseFs: newTestFs(),
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}
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if err := tp.Run("inventory"); err != nil {
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t.Error(err)
}
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if stdout.String() != "cat0 1 2 3 4 5 10\nunbroken 1 2\n" {
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t.Errorf("Bad inventory: %#v", stdout.String())
}
stdout.Reset()
if err := tp.Run("puzzle", "-dir=cat0/1"); err != nil {
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t.Error(err)
}
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p := transpile.Puzzle{}
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if err := json.Unmarshal(stdout.Bytes(), &p); err != nil {
t.Error(err)
}
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if (len(p.Answers) != 1) || (p.Answers[0] != "YAML answer") {
t.Error("Didn't return the right object", p)
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}
stdout.Reset()
if err := tp.Run("file", "-dir=cat0/1", "-file=moo.txt"); err != nil {
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t.Error(err)
}
if stdout.String() != "Moo." {
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t.Error("Wrong file pulled", stdout.String())
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}
stdout.Reset()
if err := tp.Run("answer", "-dir=cat0/1", "-answer=YAML answer"); err != nil {
t.Error(err)
}
if stdout.String() != `{"Correct":true}` {
t.Error("Answer validation failed", stdout.String())
}
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}
func TestMothballs(t *testing.T) {
stdout := new(bytes.Buffer)
stderr := new(bytes.Buffer)
tp := T{
Stdout: stdout,
Stderr: stderr,
BaseFs: newTestFs(),
}
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stdout.Reset()
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if err := tp.Run("mothball", "-dir=unbroken", "-out=unbroken.mb"); err != nil {
t.Error(err)
return
}
// afero.WriteFile(tp.BaseFs, "unbroken.mb", []byte("moo"), 0644)
fis, err := afero.ReadDir(tp.BaseFs, "/")
if err != nil {
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t.Error(err)
}
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for _, fi := range fis {
t.Log(fi.Name())
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}
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mb, err := tp.BaseFs.Open("unbroken.mb")
if err != nil {
t.Error(err)
return
}
defer mb.Close()
info, err := mb.Stat()
if err != nil {
t.Error(err)
return
}
zmb, err := zip.NewReader(mb, info.Size())
if err != nil {
t.Error(err)
return
}
for _, zf := range zmb.File {
f, err := zf.Open()
if err != nil {
t.Error(err)
continue
}
defer f.Close()
buf, err := ioutil.ReadAll(f)
if err != nil {
t.Error(err)
continue
}
switch zf.Name {
case "answers.txt":
if len(buf) == 0 {
t.Error("answers.txt empty")
}
case "puzzles.txt":
if len(buf) == 0 {
t.Error("puzzles.txt empty")
}
}
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}
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}
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func TestFilesystem(t *testing.T) {
stdout := new(bytes.Buffer)
stderr := new(bytes.Buffer)
tp := T{
Stdout: stdout,
Stderr: stderr,
BaseFs: afero.NewOsFs(),
}
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stdout.Reset()
if err := tp.Run("puzzle", "-dir=testdata/cat1/1"); err != nil {
t.Error(err)
}
if !strings.Contains(stdout.String(), "moo") {
t.Error("File not pulled from cwd", stdout.String())
}
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stdout.Reset()
if err := tp.Run("file", "-dir=testdata/cat1/1", "-file=moo.txt"); err != nil {
t.Error(err)
}
if !strings.Contains(stdout.String(), "Moo.") {
t.Error("Wrong file pulled", stdout.String())
}
}