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test/integration/utils/table_cache_factory.test.js

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+'use strict';
+
+require('../../helper');
+var assert = require('assert');
+var LRU = require('lru-cache');
+var NoCache = require('../../../app/utils/no_cache');
+
+var TableCacheFactory = require('../../../app/utils/table_cache_factory');
+var factory = new TableCacheFactory();
+
+describe('TableCacheFactory', function() {
+
+    it('returns a NoCache by default', function() {
+        var tableCache = factory.build({});
+        assert(tableCache instanceof NoCache);
+    });
+
+    it('returns a NoCache if it is disabled in settings', function() {
+        var tableCache = factory.build({tableCacheEnabled: false});
+        assert(tableCache instanceof NoCache);
+    });
+
+    it('returns an LRU if enabled in settings, with its default settings', function() {
+        var tableCache = factory.build({tableCacheEnabled: true});
+        assert(tableCache instanceof LRU);
+        assert.equal(tableCache._max, 8192);
+        assert.equal(tableCache._maxAge, 1000*60*10);
+    });
+
+    it('returns an LRU if enabled in settings, with the passed settings', function() {
+        var tableCache = factory.build({
+            tableCacheEnabled: true,
+            tableCacheMax: 42,
+            tableCacheMaxAge: 1000
+        });
+        assert(tableCache instanceof LRU);
+        assert.equal(tableCache._max, 42);
+        assert.equal(tableCache._maxAge, 1000);
+    });
+
+});