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package main
import (
"bytes"
"errors"
"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"))
err := (&encCmd{force: tc.force}).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 := (&encCmd{}).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)
err := (&encCmd{force: true}).encryptFile(fileName, "asdf")
if err == nil {
t.Fatal("encryptFile succeeded for unwritable file, want error")
}
}
func TestEncCmd_Run(t *testing.T) {
t.Parallel()
const password = "asdf"
fileContent := []byte("test file content")
fileName := filepath.Join(t.TempDir(), "file")
mustWriteFile(t, fileName, fileContent)
if err := (&encCmd{password: password}).run(fileName); err != nil {
t.Fatalf("enc failed: %s", err)
}
mustRemove(t, fileName)
if err := (&decCmd{}).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 TestEncCmd_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 := &encCmd{
generatePassword: tc.generatePassword,
password: tc.password,
}
if err := opts.run(tc.files...); err == nil {
t.Errorf("encCmd.run(%+v) succeeded, want error", opts)
}
})
}
}
func TestEncCmd_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 := &encCmd{
generatePassword: true,
passwordOut: password,
}
if err := opts.run(fileName); err != nil {
t.Fatalf("encCmd.run(%+v) failed: %s", opts, err)
}
pw := password.String()
mustRemove(t, fileName)
if err := (&decCmd{}).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 TestEncCmd_Run_Stdin(t *testing.T) {
t.Parallel()
const (
input = "test input"
password = "asdf"
)
stdout := new(strings.Builder)
if err := (&encCmd{
password: password,
stdin: strings.NewReader(input),
stdout: stdout,
}).run(); err != nil {
t.Errorf("encCmd.run failed: %s", err)
}
got := new(strings.Builder)
if err := (&decCmd{}).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 TestEncCmd_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"))
passwordI := 0
err := (&encCmd{
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
},
}).run(fileName)
if gotErr := err != nil; gotErr != tc.wantErr {
t.Errorf("encCmd.run returned error %v, want error? %t", err, tc.wantErr)
}
})
}
}
|
