aptly/api/gpg_test.go

package api

import (
	"bytes"
	"net/http"
	"net/http/httptest"


	"github.com/gin-gonic/gin"
	. "gopkg.in/check.v1"
)

type GPGTestSuite struct {
	router *gin.Engine
}

var _ = Suite(&GPGTestSuite{})

func (s *GPGTestSuite) SetUpTest(c *C) {
	s.router = gin.New()
	s.router.POST("/api/gpg/key", apiGPGAddKey)

	gin.SetMode(gin.TestMode)
}

func (s *GPGTestSuite) TestGPGAddKeyStructure(c *C) {
	// Test GPG key add endpoint structure with sample key data
	keyData := `-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v1

mQINBFKuaIQBEAC+JC5od6Vw1tz2SEfBE7tBLQhNy3z2SIu7iNC3Bi/W6xUy5YKw
sample key data for testing
-----END PGP PUBLIC KEY BLOCK-----`

	req, _ := http.NewRequest("POST", "/api/gpg/key", bytes.NewBufferString(keyData))
	req.Header.Set("Content-Type", "application/pgp-keys")
	w := httptest.NewRecorder()
	s.router.ServeHTTP(w, req)

	// Will likely error due to no context or invalid key, but tests structure
	c.Check(w.Code, Not(Equals), 200)
}

func (s *GPGTestSuite) TestGPGAddKeyEmptyBody(c *C) {
	// Test GPG key add with empty body
	req, _ := http.NewRequest("POST", "/api/gpg/key", bytes.NewBufferString(""))
	req.Header.Set("Content-Type", "application/pgp-keys")
	w := httptest.NewRecorder()
	s.router.ServeHTTP(w, req)

	// Should handle empty body gracefully
	c.Check(w.Code, Not(Equals), 200)
}

func (s *GPGTestSuite) TestGPGAddKeyInvalidData(c *C) {
	// Test GPG key add with invalid key data
	invalidKeys := []string{
		"not a pgp key",
		"-----BEGIN PGP PUBLIC KEY BLOCK-----\ninvalid\n-----END PGP PUBLIC KEY BLOCK-----",
		"random text data",
		"<xml>not a key</xml>",
		"-----BEGIN CERTIFICATE-----\ninvalid cert\n-----END CERTIFICATE-----",
	}

	for _, keyData := range invalidKeys {
		req, _ := http.NewRequest("POST", "/api/gpg/key", bytes.NewBufferString(keyData))
		req.Header.Set("Content-Type", "application/pgp-keys")
		w := httptest.NewRecorder()
		s.router.ServeHTTP(w, req)

		// Should handle invalid key data gracefully without crashing
		c.Check(w.Code, Not(Equals), 0, Commentf("Key data: %s", keyData[:min(len(keyData), 50)]))
	}
}

func (s *GPGTestSuite) TestGPGAddKeyHTTPMethods(c *C) {
	// Test that only POST method is allowed
	deniedMethods := []string{"GET", "PUT", "DELETE", "PATCH", "HEAD", "OPTIONS"}

	for _, method := range deniedMethods {
		req, _ := http.NewRequest(method, "/api/gpg/key", nil)
		w := httptest.NewRecorder()
		s.router.ServeHTTP(w, req)

		c.Check(w.Code, Equals, 404, Commentf("Method: %s should be denied", method))
	}
}

func (s *GPGTestSuite) TestGPGAddKeyContentTypes(c *C) {
	// Test different content types
	contentTypes := []string{
		"application/pgp-keys",
		"text/plain",
		"application/x-pgp-message",
		"application/octet-stream",
		"",
	}

	keyData := "-----BEGIN PGP PUBLIC KEY BLOCK-----\nsample\n-----END PGP PUBLIC KEY BLOCK-----"

	for _, contentType := range contentTypes {
		req, _ := http.NewRequest("POST", "/api/gpg/key", bytes.NewBufferString(keyData))
		if contentType != "" {
			req.Header.Set("Content-Type", contentType)
		}
		w := httptest.NewRecorder()
		s.router.ServeHTTP(w, req)

		// Should handle different content types without crashing
		c.Check(w.Code, Not(Equals), 0, Commentf("Content-Type: %s", contentType))
	}
}

func (s *GPGTestSuite) TestGPGAddKeyLargePayload(c *C) {
	// Test with large payload (simulate large key file)
	largeKeyData := "-----BEGIN PGP PUBLIC KEY BLOCK-----\n"
	for i := 0; i < 1000; i++ {
		largeKeyData += "large key data line " + string(rune(i)) + "\n"
	}
	largeKeyData += "-----END PGP PUBLIC KEY BLOCK-----"

	req, _ := http.NewRequest("POST", "/api/gpg/key", bytes.NewBufferString(largeKeyData))
	req.Header.Set("Content-Type", "application/pgp-keys")
	w := httptest.NewRecorder()
	s.router.ServeHTTP(w, req)

	// Should handle large payloads without crashing
	c.Check(w.Code, Not(Equals), 0)
}

func (s *GPGTestSuite) TestGPGAddKeyBinaryData(c *C) {
	// Test with binary data
	binaryData := []byte{0x00, 0x01, 0x02, 0x03, 0xFF, 0xFE, 0xFD}

	req, _ := http.NewRequest("POST", "/api/gpg/key", bytes.NewBuffer(binaryData))
	req.Header.Set("Content-Type", "application/octet-stream")
	w := httptest.NewRecorder()
	s.router.ServeHTTP(w, req)

	// Should handle binary data without crashing
	c.Check(w.Code, Not(Equals), 0)
}

func (s *GPGTestSuite) TestGPGAddKeySpecialCharacters(c *C) {
	// Test with special characters and encoding
	specialKeys := []string{
		"-----BEGIN PGP PUBLIC KEY BLOCK-----\nключ с русскими символами\n-----END PGP PUBLIC KEY BLOCK-----",
		"-----BEGIN PGP PUBLIC KEY BLOCK-----\n中文字符测试\n-----END PGP PUBLIC KEY BLOCK-----",
		"-----BEGIN PGP PUBLIC KEY BLOCK-----\n🔑 emoji key 🔐\n-----END PGP PUBLIC KEY BLOCK-----",
		"-----BEGIN PGP PUBLIC KEY BLOCK-----\n\"quotes\" and 'apostrophes'\n-----END PGP PUBLIC KEY BLOCK-----",
		"-----BEGIN PGP PUBLIC KEY BLOCK-----\n<>&\"'`\n-----END PGP PUBLIC KEY BLOCK-----",
	}

	for i, keyData := range specialKeys {
		req, _ := http.NewRequest("POST", "/api/gpg/key", bytes.NewBufferString(keyData))
		req.Header.Set("Content-Type", "application/pgp-keys; charset=utf-8")
		w := httptest.NewRecorder()
		s.router.ServeHTTP(w, req)

		// Should handle special characters without crashing
		c.Check(w.Code, Not(Equals), 0, Commentf("Special key test #%d", i+1))
	}
}

func (s *GPGTestSuite) TestGPGAddKeyErrorHandling(c *C) {
	// Test various error conditions
	errorTests := []struct {
		description string
		data        string
		contentType string
		expectError bool
	}{
		{"Empty key", "", "application/pgp-keys", true},
		{"Malformed header", "-----BEGIN WRONG BLOCK-----\ndata\n-----END WRONG BLOCK-----", "application/pgp-keys", true},
		{"Missing end", "-----BEGIN PGP PUBLIC KEY BLOCK-----\ndata", "application/pgp-keys", true},
		{"Missing begin", "data\n-----END PGP PUBLIC KEY BLOCK-----", "application/pgp-keys", true},
		{"Only whitespace", "   \n\t\r\n   ", "application/pgp-keys", true},
		{"JSON data", `{"key": "value"}`, "application/json", true},
		{"XML data", `<key>value</key>`, "application/xml", true},
	}

	for _, test := range errorTests {
		req, _ := http.NewRequest("POST", "/api/gpg/key", bytes.NewBufferString(test.data))
		req.Header.Set("Content-Type", test.contentType)
		w := httptest.NewRecorder()
		s.router.ServeHTTP(w, req)

		// Should handle errors gracefully without crashing
		c.Check(w.Code, Not(Equals), 0, Commentf("Test: %s", test.description))
	}
}

func (s *GPGTestSuite) TestGPGAddKeyReliability(c *C) {
	// Test multiple sequential calls for reliability
	keyData := "-----BEGIN PGP PUBLIC KEY BLOCK-----\ntest key data\n-----END PGP PUBLIC KEY BLOCK-----"

	for i := 0; i < 5; i++ {
		req, _ := http.NewRequest("POST", "/api/gpg/key", bytes.NewBufferString(keyData))
		req.Header.Set("Content-Type", "application/pgp-keys")
		w := httptest.NewRecorder()
		s.router.ServeHTTP(w, req)

		// Should be consistent across multiple calls
		c.Check(w.Code, Not(Equals), 0, Commentf("Call #%d", i+1))
	}
}

// Helper function for minimum of two integers
func min(a, b int) int {
	if a < b {
		return a
	}
	return b
}