[YAML] Get simulated clusters related code to merge clusters/commands/attributes for real clusters and simulated clusters to be into a dedicated file (#12288)

Author: vivien-apple

src/app/zap-templates/common/ClusterTestGeneration.js

@@ -26,10 +26,8 @@ const path              = require('path');
 // Import helpers from zap core
 const templateUtil = require(zapPath + 'dist/src-electron/generator/template-util.js')
 
-const { DelayCommands }                 = require('./simulated-clusters/TestDelayCommands.js');
-const { LogCommands }                   = require('./simulated-clusters/TestLogCommands.js');
-const { Clusters, asBlocks, asPromise } = require('./ClustersHelper.js');
-const { asUpperCamelCase }              = require(basePath + 'src/app/zap-templates/templates/app/helper.js');
+const { getClusters, getCommands, getAttributes, isTestOnlyCluster } = require('./simulated-clusters/SimulatedClusters.js');
+const { asBlocks }                                                   = require('./ClustersHelper.js');
 
 const kClusterName       = 'cluster';
 const kEndpointName      = 'endpoint';
@@ -341,37 +339,6 @@ function printErrorAndExit(context, msg)
   process.exit(1);
 }
 
-function getClusters()
-{
-  // Create a new array to merge the configured clusters list and test
-  // simulated clusters.
-  return Clusters.getClusters().then(clusters => clusters.concat(DelayCommands, LogCommands));
-}
-
-function getCommands(clusterName)
-{
-  switch (clusterName) {
-  case DelayCommands.name:
-    return Promise.resolve(DelayCommands.commands);
-  case LogCommands.name:
-    return Promise.resolve(LogCommands.commands);
-  default:
-    return Clusters.getClientCommands(clusterName);
-  }
-}
-
-function getAttributes(clusterName)
-{
-  switch (clusterName) {
-  case DelayCommands.name:
-    return Promise.resolve(DelayCommands.attributes);
-  case LogCommands.name:
-    return Promise.resolve(LogCommands.attributes);
-  default:
-    return Clusters.getServerAttributes(clusterName);
-  }
-}
-
 function assertCommandOrAttribute(context)
 {
   const clusterName = context.cluster;
@@ -469,15 +436,6 @@ function chip_tests_items(options)
   return templateUtil.collectBlocks(this.tests, options, this);
 }
 
-function isTestOnlyCluster(name)
-{
-  const testOnlyClusters = [
-    DelayCommands.name,
-    LogCommands.name,
-  ];
-  return testOnlyClusters.includes(name);
-}
-
 // test_cluster_command_value and test_cluster_value-equals are recursive partials using #each. At some point the |global|
 // context is lost and it fails. Make sure to attach the global context as a property of the | value |
 // that is evaluated.

src/app/zap-templates/common/simulated-clusters/SimulatedClusters.js

@@ -0,0 +1,60 @@
+/*
+ *
+ *    Copyright (c) 2021 Project CHIP Authors
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+
+const { Clusters }      = require('../ClustersHelper.js');
+const { DelayCommands } = require('./TestDelayCommands.js');
+const { LogCommands }   = require('./TestLogCommands.js');
+
+const SimulatedClusters = [
+  DelayCommands,
+  LogCommands,
+];
+
+function getSimulatedCluster(clusterName)
+{
+  return SimulatedClusters.find(cluster => cluster.name == clusterName);
+}
+
+function getClusters()
+{
+  return Clusters.getClusters().then(clusters => clusters.concat(SimulatedClusters).flat(1));
+}
+
+function getCommands(clusterName)
+{
+  const cluster = getSimulatedCluster(clusterName);
+  return cluster ? Promise.resolve(cluster.commands) : Clusters.getClientCommands(clusterName);
+}
+
+function getAttributes(clusterName)
+{
+  const cluster = getSimulatedCluster(clusterName);
+  return cluster ? Promise.resolve(cluster.attributes) : Clusters.getServerAttributes(clusterName);
+}
+
+function isTestOnlyCluster(clusterName)
+{
+  return !!getSimulatedCluster(clusterName);
+}
+
+//
+// Module exports
+//
+exports.getClusters       = getClusters;
+exports.getCommands       = getCommands;
+exports.getAttributes     = getAttributes;
+exports.isTestOnlyCluster = isTestOnlyCluster;