Optimize test files

index.js

@@ -51,6 +51,18 @@ const { argv } = require('yargs')
 const ViewSchemaValidator = require('./lib');
 const packageJson = require('./package.json');
 
+const mapErrorToLogLine = (errorItem, index) => {
+	if(typeof errorItem === 'string')
+		return errorItem;
+
+	const message = errorItem && (errorItem.message || errorItem.stack);
+
+	if(message)
+		return `[${index + 1}] ${message}`;
+
+	return `[${index + 1}] ${JSON.stringify(errorItem)}`;
+};
+
 (async () => {
 
 	logger.info(`Package version: ${packageJson.version}`);
@@ -86,8 +98,11 @@ const packageJson = require('./package.json');
 	} catch(error) {
 		logger.error(error.stack || error);
 
-		if(error.errors)
-			error.errors.map(e => logger.error(e));
+		if(error.errors) {
+			error.errors
+				.map(mapErrorToLogLine)
+				.map(errorLine => logger.error(errorLine));
+		}
 
 		process.exit(1);
 	}

lib/validator.js

@@ -10,6 +10,16 @@ const DeprecationValidator = require('./deprecation-validator');
 const ajv = new Ajv({ allErrors: true, useDefaults: true, schemas: [schemaDefinitions] });
 
 class Validator {
+	static formatAjvErrors(errors = []) {
+		return errors.map((currentError, index) => {
+			const path = currentError.dataPath || currentError.instancePath || '(root)';
+			const message = currentError.message || 'validation failed';
+			const keyword = currentError.keyword || 'unknown';
+
+			return `[${index + 1}] ${path} ${message} (${keyword})`;
+		});
+	}
+
 	/**
 	 * Take ajv instance and call compile function for validate and generate schema with defaults
 	 * @name compile
@@ -52,9 +62,9 @@ class Validator {
 
 		this.validate(schema);
 
-		if(ajv.errors) {
+		if(ajv.errors && ajv.errors.length) {
 			const error = new Error(`Validation error in ${filePath}`);
-			error.errors = ajv.errors;
+			error.errors = this.formatAjvErrors(ajv.errors);
 			throw error;
 		}