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|
package auth
import (
"crypto/sha256"
"encoding/hex"
"testing"
)
func TestTokenManager_Generate(t *testing.T) {
tm := NewTokenManager()
seen := make(map[string]string)
for i := 0; i < 1000; i++ {
plaintext, hash, err := tm.Generate()
if err != nil {
t.Fatalf("generate token: %v", err)
}
if len(plaintext) != tokenByteLength*2 {
t.Fatalf("expected plaintext length %d, got %d", tokenByteLength*2, len(plaintext))
}
decoded, err := hex.DecodeString(plaintext)
if err != nil {
t.Fatalf("expected hex plaintext: %v", err)
}
if len(decoded) != tokenByteLength {
t.Fatalf("expected %d decoded bytes, got %d", tokenByteLength, len(decoded))
}
if hash != tm.Hash(plaintext) {
t.Fatal("expected hash to match plaintext")
}
if previousHash, ok := seen[plaintext]; ok {
t.Fatalf("duplicate token generated with hashes %q and %q", previousHash, hash)
}
seen[plaintext] = hash
}
}
func TestTokenManager_Hash(t *testing.T) {
tm := NewTokenManager()
tests := []struct {
name string
plaintext string
}{
{"empty token", ""},
{"hex token", "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"},
{"plain string", "api-token"},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
hash := tm.Hash(tt.plaintext)
if hash == "" {
t.Fatal("expected non-empty hash")
}
if len(hash) != sha256.Size*2 {
t.Fatalf("expected hash length %d, got %d", sha256.Size*2, len(hash))
}
if _, err := hex.DecodeString(hash); err != nil {
t.Fatalf("expected hex hash: %v", err)
}
if hash != tm.Hash(tt.plaintext) {
t.Fatal("expected deterministic hash")
}
if tt.plaintext != "" && hash == tm.Hash(tt.plaintext+"x") {
t.Fatal("expected different plaintext to have different hash")
}
})
}
}
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