refactor: adds "validateStatusCode" unit

lib/api/test/unit/validateStatusCode.test.js

@@ -0,0 +1,49 @@
+const { assert } = require('chai');
+const validateStatusCode = require('../../units/validateStatusCode');
+
+describe('validateStatusCode', () => {
+  describe('given matching status codes', () => {
+    const res = validateStatusCode(200, 200);
+
+    it('has proper validator', () => {
+      assert.propertyVal(res, 'validator', 'TextDiff');
+    });
+
+    it('has proper expected type', () => {
+      assert.propertyVal(res, 'expectedType', 'text/vnd.apiary.status-code');
+    });
+
+    it('has proper real type', () => {
+      assert.propertyVal(res, 'realType', 'text/vnd.apiary.status-code');
+    });
+
+    it('has no errors', () => {
+      assert.deepPropertyVal(res, 'results', []);
+    });
+  });
+
+  describe('given unmatching status codes', () => {
+    const res = validateStatusCode(200, 400);
+
+    it('has proper validator', () => {
+      assert.propertyVal(res, 'validator', 'TextDiff');
+    });
+
+    it('has proper expected type', () => {
+      assert.propertyVal(res, 'expectedType', 'text/vnd.apiary.status-code');
+    });
+
+    it('has proper real type', () => {
+      assert.propertyVal(res, 'realType', 'text/vnd.apiary.status-code');
+    });
+
+    it('has errors', () => {
+      assert.deepPropertyVal(res, 'results', [
+        {
+          message: 'Real and expected data does not match.',
+          severity: 'error'
+        }
+      ]);
+    });
+  });
+});

lib/api/units/validateStatusCode.js

@@ -0,0 +1,30 @@
+const { TextDiff } = require('../../validators/text-diff');
+
+const APIARY_STATUS_CODE_TYPE = 'text/vnd.apiary.status-code';
+
+function normalizeStatusCode(statusCode) {
+  return String(statusCode).trim();
+}
+
+/**
+ * Validates given real and expected status codes.
+ * @param {number} realStatusCode
+ * @param {number} expectedStatusCode
+ */
+function validateStatusCode(realStatusCode, expectedStatusCode) {
+  const validator = new TextDiff(
+    normalizeStatusCode(realStatusCode),
+    normalizeStatusCode(expectedStatusCode)
+  );
+  const rawData = validator.validate();
+
+  return {
+    validator: 'TextDiff',
+    realType: APIARY_STATUS_CODE_TYPE,
+    expectedType: APIARY_STATUS_CODE_TYPE,
+    rawData,
+    results: validator.evaluateOutputToResults()
+  };
+}
+
+module.exports = validateStatusCode;

package.json

@@ -12,13 +12,14 @@
   "scripts": {
     "lint": "eslint lib/**/*.js test/**/*.js",
     "test": "npm run test:server && npm run test:browser && npm run test:features",
+    "test:new": "mocha \"lib/api/test/**/*.test.js\"",
     "test:server": "mocha \"test/unit/**/*-test.js\"",
     "test:server:coverage": "nyc npm run test:server",
     "test:browser": "mochify \"test/unit/**/*.js\"",
     "test:features": "node scripts/cucumber.js",
     "coveralls": "nyc --reporter=text-lcov npm run test:server | coveralls",
     "ci:lint": "npm run lint",
-    "ci:test": "npm run coveralls && npm run test:browser && npm run test:features",
+    "ci:test": "npm run coveralls && npm run test:new && npm run test:browser && npm run test:features",
     "ci:release": "semantic-release",
     "precommit": "lint-staged"
   },