1. /**
  2. * Flags anomalies in API responses based on basic validation.
  3. *
  4. * @param {object} response The API response object.
  5. * @param {object} expectedSchema An object defining the expected structure and data types.
  6. * @param {string} apiKey Optional API key for authorization (for demonstration).
  7. * @returns {object} An object containing anomaly flags and details.
  8. */
  9. function flagApiAnomalies(response, expectedSchema, apiKey) {
  10. const anomalies = {};
  12. // Input validation: Check if response and expectedSchema are provided
  13. if (!response || !expectedSchema) {
  14. anomalies.missingParams = "Both response and expectedSchema must be provided.";
  15. return anomalies;
  16. }
  18. // Validate response structure against expected schema
  19. if (!isValidStructure(response, expectedSchema)) {
  20. anomalies.structureError = {
  21. message: "API response structure does not match expected schema.",
  22. details: getStructureDifferences(response, expectedSchema),
  23. };
  24. }
  26. // Validate data types and presence of required fields
  27. for (const field in expectedSchema) {
  28. if (expectedSchema.hasOwnProperty(field)) {
  29. const expectedType = expectedSchema[field].type;
  30. const actualValue = response[field];
  32. if (expectedType === 'required' && !actualValue) {
  33. anomalies.missingField = {
  34. field: field,
  35. message: `Field '${field}' is required but missing.`
  36. };
  37. } else if (expectedType !== 'any' && actualValue !== undefined && actualValue !== null) {
  38. if (typeof actualValue !== expectedType) {
  39. anomalies.typeError = {
  40. field: field,
  41. message: `Field '${field}' has incorrect type. Expected ${expectedType}, got ${typeof actualValue}.`,
  42. actualValue: actualValue
  43. };
  44. }
  45. }
  46. }
  47. }
  49. //Example API key validation (can be expanded)
  50. if(apiKey && !validateApiKey(apiKey)){
  51. anomalies.apiKeyError = "Invalid API Key";
  52. }
  54. return anomalies;
  56. // Helper functions
  57. function isValidStructure(response, expectedSchema) {
  58. //Basic check - can be expanded for more complex structure validation.
  59. for (const field in expectedSchema) {
  60. if (expectedSchema.hasOwnProperty(field)) {
  61. if (!(field in response)) {
  62. return false;
  63. }
  64. }
  65. }
  66. return true;
  67. }
  69. function getStructureDifferences(response, expectedSchema) {
  70. const differences = {};
  71. for (const field in expectedSchema) {
  72. if (expectedSchema.hasOwnProperty(field)) {
  73. if (!(field in response)) {
  74. differences[field] = "Field missing from response.";
  75. }
  76. }
  77. }
  78. return differences;
  79. }
  81. function validateApiKey(apiKey) {
  82. //Dummy API key validation
  83. return apiKey === "validKey";
  84. }
  85. }

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