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// Copyright (c) 2020-2025 Bryan Frimin <bryan@frimin.fr>.
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.
package privatebin
import (
"encoding/json"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestEncryptionMode_String(t *testing.T) {
tests := []struct {
name string
em EncryptionMode
want string
}{
{
name: "GCM mode",
em: EncryptionModeGCM,
want: "gcm",
},
{
name: "Unknown mode",
em: EncryptionModeUnknow,
want: "unknown",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := tt.em.String()
assert.Equal(t, tt.want, got)
})
}
}
func TestEncryptionMode_MarshalJSON(t *testing.T) {
tests := []struct {
name string
em EncryptionMode
want string
}{
{
name: "Marshal GCM",
em: EncryptionModeGCM,
want: `"gcm"`,
},
{
name: "Marshal unknown",
em: EncryptionModeUnknow,
want: `"unknown"`,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := tt.em.MarshalJSON()
require.NoError(t, err)
assert.Equal(t, tt.want, string(got))
})
}
}
func TestEncryptionMode_UnmarshalJSON(t *testing.T) {
tests := []struct {
name string
input string
want EncryptionMode
wantErr bool
}{
{
name: "Unmarshal gcm",
input: `"gcm"`,
want: EncryptionModeGCM,
},
{
name: "Unmarshal unknown string",
input: `"cbc"`,
want: EncryptionModeUnknow,
},
{
name: "Unmarshal empty string",
input: `""`,
want: EncryptionModeUnknow,
},
{
name: "Invalid JSON",
input: `{invalid}`,
wantErr: true,
},
{
name: "Non-string JSON",
input: `456`,
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
var em EncryptionMode
err := em.UnmarshalJSON([]byte(tt.input))
if tt.wantErr {
require.Error(t, err)
} else {
require.NoError(t, err)
assert.Equal(t, tt.want, em)
}
})
}
}
func FuzzEncryptionMode_UnmarshalJSON(f *testing.F) {
// Add seed corpus with known valid and edge cases
f.Add(`"gcm"`)
f.Add(`"unknown"`)
f.Add(`""`)
f.Add(`"GCM"`)
f.Add(`"aes-gcm"`)
f.Add(`"cbc"`)
f.Add(`"ctr"`)
f.Add(`"ecb"`)
f.Add(`null`)
f.Add(`false`)
f.Add(`789`)
f.Add(`{}`)
f.Add(`[]`)
f.Add(`"!@#$%^&*()"`)
f.Add(`"very long encryption mode string that should default to unknown"`)
f.Fuzz(func(t *testing.T, input string) {
var em EncryptionMode
err := em.UnmarshalJSON([]byte(input))
// If unmarshaling succeeds, verify the result is valid
if err == nil {
// The result should be either GCM or Unknown
assert.True(t, em == EncryptionModeGCM || em == EncryptionModeUnknow,
"UnmarshalJSON produced invalid mode: %v", em)
// Verify that marshaling the result works
data, marshalErr := em.MarshalJSON()
require.NoError(t, marshalErr, "Failed to marshal valid mode %v", em)
// Verify round-trip consistency for valid inputs
var em2 EncryptionMode
err2 := json.Unmarshal(data, &em2)
require.NoError(t, err2, "Round-trip unmarshal failed")
assert.Equal(t, em, em2, "Round-trip produced different value")
}
// If unmarshaling fails, that's fine - we just want to ensure no panic
})
}
|
