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added unit tests for pkg packages (#18)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| package file | ||
|
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||
| import ( | ||
| "fmt" | ||
| "github.com/stretchr/testify/require" | ||
| "os" | ||
| "path" | ||
| "testing" | ||
| ) | ||
|
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| func Test_WriteFileChecksum(t *testing.T) { | ||
| tmpDir := t.TempDir() | ||
| original := path.Join(tmpDir, "file") | ||
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| err := os.WriteFile(original, []byte("content"), 0600) | ||
| require.NoError(t, err) | ||
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| err = WriteFileChecksum(original) | ||
| require.NoError(t, err) | ||
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| checksum, err := os.ReadFile(fmt.Sprintf("%s.checksum", original)) | ||
| require.NoError(t, err) | ||
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| expectedChecksum := []byte("ed7002b439e9ac845f22357d822bac1444730fbdb6016d3ec9432297b9ec9f73\tfile") | ||
| require.Equal(t, expectedChecksum, checksum) | ||
| } | ||
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| func Test_WriteKey(t *testing.T) { | ||
| tmpDir := t.TempDir() | ||
| keyFile := path.Join(tmpDir, "file") | ||
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| expectedKey := []byte("test") | ||
| err := WriteKey(expectedKey, keyFile) | ||
| require.NoError(t, err) | ||
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| key, err := ReadKey(keyFile + ".key") | ||
| require.NoError(t, err) | ||
| require.Equal(t, expectedKey, key) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| package image | ||
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| import ( | ||
| "bytes" | ||
| "github.com/stretchr/testify/require" | ||
| "image" | ||
| "image/jpeg" | ||
| "testing" | ||
| ) | ||
|
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| func Test_EncodeDecodeSecret(t *testing.T) { | ||
| secret := []byte("test secret") | ||
|
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| testImage := image.NewRGBA(image.Rect(0, 0, 256, 256)) | ||
| var imageBuff bytes.Buffer | ||
| err := jpeg.Encode(&imageBuff, testImage, nil) | ||
| require.NoError(t, err) | ||
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| var imageOut bytes.Buffer | ||
| err = EncodeSecret(secret, &imageBuff, &imageOut) | ||
| require.NoError(t, err) | ||
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| out, err := DecodeSecret(&imageOut) | ||
| require.NoError(t, err) | ||
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| require.Equal(t, secret, out) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| package stego | ||
|
|
||
| import ( | ||
| "github.com/stretchr/testify/require" | ||
| "testing" | ||
| ) | ||
|
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| func Test_EncryptDecrypt(t *testing.T) { | ||
| key, err := GenerateMasterKey() | ||
| require.NoError(t, err) | ||
|
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| message := []byte("test message") | ||
| encrypted, err := Encrypt(key, message) | ||
| require.NoError(t, err) | ||
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| decrypted, err := Decrypt(key, encrypted) | ||
| require.NoError(t, err) | ||
| require.Equal(t, message, decrypted) | ||
| } | ||
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| func Test_EncryptDecryptEmptyMessage(t *testing.T) { | ||
| key, err := GenerateMasterKey() | ||
| require.NoError(t, err) | ||
|
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| message := []byte{} | ||
| encrypted, err := Encrypt(key, message) | ||
| require.NoError(t, err) | ||
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| decrypted, err := Decrypt(key, encrypted) | ||
| require.NoError(t, err) | ||
| require.Equal(t, message, decrypted) | ||
| } | ||
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| func Benchmark_Encrypt(b *testing.B) { | ||
| key, err := GenerateMasterKey() | ||
| if err != nil { | ||
| b.Fatal(err) | ||
| } | ||
| message := []byte("test message") | ||
| b.ReportAllocs() | ||
| for i := 0; i < b.N; i++ { | ||
| _, err := Encrypt(key, message) | ||
| if err != nil { | ||
| b.Fatal(err) | ||
| } | ||
| } | ||
| } | ||
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| func Benchmark_Decrypt(b *testing.B) { | ||
| key, err := GenerateMasterKey() | ||
| if err != nil { | ||
| b.Fatal(err) | ||
| } | ||
| encr, err := Encrypt(key, []byte("test message")) | ||
| if err != nil { | ||
| b.Fatal(err) | ||
| } | ||
| b.ReportAllocs() | ||
| for i := 0; i < b.N; i++ { | ||
| _, err := Decrypt(key, encr) | ||
| if err != nil { | ||
| b.Fatal(err) | ||
| } | ||
| } | ||
| } |