add unit test for routes

Issue: BB-538

tests/unit/api/routes.spec.js

@@ -0,0 +1,123 @@
+const assert = require('assert');
+const routes = require('../../../lib/api/routes');
+
+describe('routes', () => {
+    it('should generate the correct routes with default locations', () => {
+        const locations = {
+            crr: ['site1', 'site2'],
+            ingestion: ['site3'],
+            lifecycle: ['site4'],
+        };
+        const disableAdditionalRoutes = false;
+        const result = routes(locations, disableAdditionalRoutes);
+
+        assert.strictEqual(result.length, 19);
+
+        assert.deepStrictEqual(result[0], {
+            httpMethod: 'GET',
+            category: 'healthcheck',
+            type: 'basic',
+            method: 'getHealthcheck',
+            extensions: {},
+        });
+
+        assert.deepStrictEqual(result[1], {
+            httpMethod: 'GET',
+            category: 'metrics',
+            type: 'backlog',
+            extensions: { crr: ['site1', 'site2', 'all'] },
+            method: 'getBacklog',
+            dataPoints: ['opsPending', 'bytesPending'],
+        });
+
+        assert.deepStrictEqual(result[2], {
+            httpMethod: 'GET',
+            category: 'metrics',
+            type: 'completions',
+            extensions: {
+                crr: ['site1', 'site2', 'all'],
+                ingestion: ['site3', 'all'],
+            },
+            method: 'getCompletions',
+            dataPoints: ['opsDone', 'bytesDone'],
+        });
+    });
+
+    it('should generate the correct routes with additional routes disabled', () => {
+        const locations = {
+            crr: ['site1', 'site2'],
+            ingestion: ['site3'],
+            lifecycle: ['site4'],
+        };
+        const disableAdditionalRoutes = true;
+        const result = routes(locations, disableAdditionalRoutes);
+
+        assert.strictEqual(result.length, 8);
+        assert.deepStrictEqual(result[0], {
+            httpMethod: 'GET',
+            category: 'healthcheck',
+            type: 'basic',
+            method: 'getHealthcheck',
+            extensions: {},
+        });
+
+        assert.deepStrictEqual(result[1], {
+            httpMethod: 'GET',
+            category: 'metrics',
+            type: 'backlog',
+            extensions: { crr: ['site1', 'site2', 'all'] },
+            method: 'getBacklog',
+            dataPoints: ['opsPending', 'bytesPending'],
+        });
+
+        assert.deepStrictEqual(result[2], {
+            httpMethod: 'GET',
+            category: 'metrics',
+            type: 'completions',
+            extensions: {
+                crr: ['site1', 'site2', 'all'],
+                ingestion: ['site3', 'all'],
+            },
+            method: 'getCompletions',
+            dataPoints: ['opsDone', 'bytesDone'],
+        });
+    });
+
+    it('should handle empty locations', () => {
+        const locations = {};
+        const disableAdditionalRoutes = false;
+        const result = routes(locations, disableAdditionalRoutes);
+
+        assert.strictEqual(result.length, 19);
+
+        assert.deepStrictEqual(result[0], {
+            httpMethod: 'GET',
+            category: 'healthcheck',
+            type: 'basic',
+            method: 'getHealthcheck',
+            extensions: {},
+        });
+
+        assert.deepStrictEqual(result[1], {
+            httpMethod: 'GET',
+            category: 'metrics',
+            type: 'backlog',
+            extensions: { crr: ['all'] },
+            method: 'getBacklog',
+            dataPoints: ['opsPending', 'bytesPending'],
+        });
+
+        assert.deepStrictEqual(result[2], {
+            httpMethod: 'GET',
+            category: 'metrics',
+            type: 'completions',
+            extensions: {
+                crr: ['all'],
+                ingestion: ['all'],
+            },
+            method: 'getCompletions',
+            dataPoints: ['opsDone', 'bytesDone'],
+        });
+
+    });
+});