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|
package main
import (
"bytes"
"errors"
"flag"
"path/filepath"
"strings"
"testing"
)
func TestEncryptFile_Force(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
desc string
force bool
wantErr bool
}{{
desc: "OutputExists",
force: false,
wantErr: true,
}, {
desc: "Force",
force: true,
wantErr: false,
}} {
t.Run(tc.desc, func(t *testing.T) {
t.Parallel()
fileName := filepath.Join(t.TempDir(), "file")
mustWriteFile(t, fileName, []byte("test file content"))
mustWriteFile(t, fileName+".enc", []byte("file already exists"))
encOpts := testEncryptOptions
encOpts.force = tc.force
err := encOpts.encryptFile(fileName, "asdf")
if gotErr := err != nil; gotErr != tc.wantErr {
t.Errorf("EncryptFile(force=%t) returned returned error %v when output file exists, want error? %t", tc.force, err, tc.wantErr)
}
})
}
}
func TestEncryptFile_NotFound(t *testing.T) {
t.Parallel()
err := testEncryptOptions.encryptFile("my-nonexistent-file.txt", "asdf")
if err == nil {
t.Fatal("encryptFile succeeded for nonexistent file, want error")
}
}
func TestEncryptFile_NoPermission(t *testing.T) {
t.Parallel()
fileName := filepath.Join(t.TempDir(), "file")
mustWriteFile(t, fileName, []byte("test file content"))
mustWriteFile(t, fileName+".enc", nil)
mustChmod(t, fileName+".enc", 0400)
opts := testEncryptOptions
opts.force = true
err := opts.encryptFile(fileName, "asdf")
if err == nil {
t.Fatal("encryptFile succeeded for unwritable file, want error")
}
}
func TestEncryptOptions_RegisterFlags(t *testing.T) {
t.Parallel()
var o encryptOptions
fs := flag.NewFlagSet("test", flag.ContinueOnError)
o.registerFlags(fs)
const cmd = "-g -p asdf -f"
fs.Parse(strings.Split(cmd, " "))
want := encryptFlags{
generatePassword: true,
password: "asdf",
force: true,
}
if o.encryptFlags != want {
t.Errorf("Command line %q parsed incorrect encryptOptions, got %+v, want %+v", cmd, o, want)
}
}
func TestEncryptOptions_Run(t *testing.T) {
t.Parallel()
const password = "asdf"
fileContent := []byte("test file content")
fileName := filepath.Join(t.TempDir(), "file")
mustWriteFile(t, fileName, fileContent)
opts := testEncryptOptions
opts.password = password
if err := opts.run(fileName); err != nil {
t.Fatalf("enc failed: %s", err)
}
mustRemove(t, fileName)
if err := defaultDecryptOptions.decryptFile(fileName+".enc", password); err != nil {
t.Fatalf("Failed to decrypt encrypted file: %s", err)
}
gotFileContents := mustReadFile(t, fileName)
if !bytes.Equal(gotFileContents, fileContent) {
t.Errorf("encrypt round trip returned incorrect contents %q, want %q", gotFileContents, fileContent)
}
}
func TestEncryptOptions_Run_UsageError(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
desc string
generatePassword bool
password string
files []string
}{{
desc: "GeneratePasswordAndPassword",
generatePassword: true,
password: "asdf",
}, {
desc: "MissingPasswordStdin",
generatePassword: false,
password: "",
}, {
desc: "NonexistentFile",
password: "asdf",
files: []string{"my-nonexistent-file.txt"},
}} {
t.Run(tc.desc, func(t *testing.T) {
t.Parallel()
opts := testEncryptOptions
opts.generatePassword = tc.generatePassword
opts.password = tc.password
if err := opts.run(tc.files...); err == nil {
t.Errorf("run(%+v) succeeded, want error", opts)
}
})
}
}
func TestEncryptOptions_Run_GeneratePassword(t *testing.T) {
t.Parallel()
fileContent := []byte("test file content")
fileName := filepath.Join(t.TempDir(), "file")
mustWriteFile(t, fileName, fileContent)
password := new(strings.Builder)
opts := testEncryptOptions
opts.generatePassword = true
opts.passwordOut = password
if err := opts.run(fileName); err != nil {
t.Fatalf("enc(%+v) failed: %s", opts, err)
}
pw := password.String()
mustRemove(t, fileName)
if err := defaultDecryptOptions.decryptFile(fileName+".enc", pw); err != nil {
t.Fatalf("Failed to decrypt encrypted file with generated password %q: %s", pw, err)
}
gotFileContents := mustReadFile(t, fileName)
if !bytes.Equal(gotFileContents, fileContent) {
t.Errorf("encrypt round trip returned incorrect contents %q, want %q", gotFileContents, fileContent)
}
}
func TestEncryptOptions_Run_Stdin(t *testing.T) {
t.Parallel()
const (
input = "test input"
password = "asdf"
)
stdout := new(strings.Builder)
opts := testEncryptOptions
opts.password = password
opts.stdin = strings.NewReader(input)
opts.stdout = stdout
if err := opts.run(); err != nil {
t.Errorf("enc(+%v) failed: %s", opts, err)
}
got := new(strings.Builder)
if err := decrypt(got, strings.NewReader(stdout.String()), password); err != nil {
t.Errorf("Failed to decrypt stdout content %q: %s", stdout, err)
}
if got, want := got.String(), input; got != want {
t.Errorf("Encrypt round-trip to stdout returned incorrect contents: %q, want %q", got, want)
}
}
func TestEncryptOptions_Run_ReadPassword(t *testing.T) {
t.Parallel()
for _, tc := range []struct {
desc string
passwords []string
err error
wantErr bool
}{{
desc: "Ok",
passwords: []string{"asdf"},
}, {
desc: "EmptyPassword",
passwords: []string{""},
wantErr: true,
}, {
desc: "PasswordsDoNotMatch",
passwords: []string{"asdf", "jkl"},
wantErr: true,
}, {
desc: "ReadPasswordErr",
err: errors.New("test error"),
wantErr: true,
}, {
desc: "RepeatPasswordErr",
passwords: []string{"asdf"},
err: errors.New("test error"),
wantErr: true,
}} {
t.Run(tc.desc, func(t *testing.T) {
t.Parallel()
fileName := filepath.Join(t.TempDir(), "file")
mustWriteFile(t, fileName, []byte("test file content"))
opts := testEncryptOptions
passwordI := 0
opts.passwordIn = func() (string, error) {
if passwordI == len(tc.passwords) && tc.err != nil {
return "", tc.err
}
pw := tc.passwords[passwordI%len(tc.passwords)]
passwordI++
return pw, nil
}
err := opts.run(fileName)
if gotErr := err != nil; gotErr != tc.wantErr {
t.Errorf("encryptOptions.run returned error %v, want error? %t", err, tc.wantErr)
}
})
}
}
|
