Asai Neko
210b8b08ce
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Signed-off-by: Asai Neko <sugar@sne.moe>
48 lines
1.3 KiB
Go
48 lines
1.3 KiB
Go
package cryptography
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import (
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"encoding/base64"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestIsBase64StdValid(t *testing.T) {
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cases := []struct {
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name string
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input string
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}{
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{"non-empty", base64.StdEncoding.EncodeToString([]byte("hello"))},
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{"longer", base64.StdEncoding.EncodeToString([]byte("hello, world!"))},
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// Note: empty string encodes to "" which IsBase64Std("") returns false (early exit)
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}
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for _, tc := range cases {
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assert.True(t, IsBase64Std(tc.input), "expected %q to be valid base64", tc.input)
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}
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}
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func TestIsBase64StdEmptyString(t *testing.T) {
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assert.False(t, IsBase64Std(""))
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}
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func TestIsBase64StdInvalidChars(t *testing.T) {
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assert.False(t, IsBase64Std("not-base64!!!"))
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}
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func TestIsBase64StdWrongPadding(t *testing.T) {
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// "aGVsbG8" is base64url without padding – standard decoder requires padding
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assert.False(t, IsBase64Std("aGVsbG8"))
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}
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func TestIsBase64StdWhitespaceOnly(t *testing.T) {
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// " " → TrimSpace → "" → len % 4 == 0 → attempts decode → succeeds → true
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// IsBase64Std trims leading/trailing whitespace, so all-whitespace passes
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// because empty string decodes without error. Document actual behaviour:
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assert.True(t, IsBase64Std(" "))
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}
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func TestIsBase64StdPaddedBase64(t *testing.T) {
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// Standard base64 with padding
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assert.True(t, IsBase64Std("aGVsbG8="))
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}
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