Move sym files into the root directory

1 files changed, 242 insertions, 0 deletions

diff --git a/enc_test.go b/enc_test.go
new file mode 100644
index 0000000..3a0c493
--- /dev/null
+++ b/enc_test.go
@@ -0,0 +1,242 @@
+package sym
+
+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)
+			}
+		})
+	}
+}