[0.19.x] cache enableHistorian flag (#4574)

Signed-off-by: Dave Kelsey <d_kelsey@uk.ibm.com>

packages/composer-runtime/lib/context.js

@@ -41,7 +41,6 @@ class Context {
      * @param {InstalledBusinessNetwork} installedBusinessNetwork Information associated with the installed business network
      */
     constructor(engine, installedBusinessNetwork) {
-        const method = 'constructor';
         if (!installedBusinessNetwork) {
             throw new Error('No business network specified');
         }
@@ -50,11 +49,7 @@ class Context {
         this.installedBusinessNetwork = installedBusinessNetwork;
         this.eventNumber = 0;
         this.contextId = uuid.v4();
-        this.historianEnabled = true;
-        if (installedBusinessNetwork.getDefinition().getMetadata().getPackageJson().disableHistorian === true) {
-            LOG.debug(method, 'Historian disabled');
-            this.historianEnabled = false;
-        }
+        this.historianEnabled = installedBusinessNetwork.historianEnabled;
     }
 
     /**

packages/composer-runtime/lib/installedbusinessnetwork.js

@@ -17,6 +17,9 @@
 const AclCompiler = require('./aclcompiler');
 const QueryCompiler = require('./querycompiler');
 const ScriptCompiler = require('./scriptcompiler');
+const Logger = require('composer-common').Logger;
+
+const LOG = Logger.getLog('InstalledBusinessNetwork');
 
 /**
  * Data associated with the currently installed business network, used by Context.
@@ -53,11 +56,17 @@ class InstalledBusinessNetwork {
      * @private
      */
     constructor(networkInfo) {
+        const method = 'constructor';
         this.definition = networkInfo.definition;
         this.compiledScriptBundle = networkInfo.compiledScriptBundle;
         this.compiledQueryBundle = networkInfo.compiledQueryBundle;
         this.compiledAclBundle = networkInfo.compiledAclBundle;
         this.archive = networkInfo.archive;
+        this.historianEnabled = true;
+        if (this.definition.getMetadata().getPackageJson().disableHistorian === true) {
+            LOG.debug(method, 'Historian disabled');
+            this.historianEnabled = false;
+        }
     }
 
     /**

packages/composer-runtime/test/context.js

@@ -19,7 +19,6 @@ const AccessController = require('../lib/accesscontroller');
 const AclManager = require('composer-common').AclManager;
 const Api = require('../lib/api');
 const BusinessNetworkDefinition = require('composer-common').BusinessNetworkDefinition;
-const BusinessNetworkMetadata = require('composer-common').BusinessNetworkMetadata;
 const CompiledAclBundle = require('../lib/compiledaclbundle');
 const CompiledQueryBundle = require('../lib/compiledquerybundle');
 const CompiledScriptBundle = require('../lib/compiledscriptbundle');
@@ -77,39 +76,16 @@ describe('Context', () => {
             }).should.throw(/No business network/i);
         });
 
-        it('should enable historian if no request to disable is present', () => {
-            context.historianEnabled.should.be.true;
-        });
-
-        it('should disable historian if disableHistorian set to true', () => {
+        it('should disable historian if InstalledBusinessNetwork says disabled', () => {
             const mockInstalledBusinessNetwork = sinon.createStubInstance(InstalledBusinessNetwork);
-            const mockBusinessNetworkDefinition = sinon.createStubInstance(BusinessNetworkDefinition);
-            mockInstalledBusinessNetwork.getDefinition.returns(mockBusinessNetworkDefinition);
-            const mockBusinessNetworkMetadata = sinon.createStubInstance(BusinessNetworkMetadata);
-            mockBusinessNetworkDefinition.getMetadata.returns(mockBusinessNetworkMetadata);
-            mockBusinessNetworkMetadata.getPackageJson.returns({'disableHistorian': true});
+            mockInstalledBusinessNetwork.historianEnabled = false;
             context = new Context(mockEngine, mockInstalledBusinessNetwork);
             context.historianEnabled.should.be.false;
         });
 
-        it('should enable historian if disableHistorian set to false', () => {
-            const mockInstalledBusinessNetwork = sinon.createStubInstance(InstalledBusinessNetwork);
-            const mockBusinessNetworkDefinition = sinon.createStubInstance(BusinessNetworkDefinition);
-            mockInstalledBusinessNetwork.getDefinition.returns(mockBusinessNetworkDefinition);
-            const mockBusinessNetworkMetadata = sinon.createStubInstance(BusinessNetworkMetadata);
-            mockBusinessNetworkDefinition.getMetadata.returns(mockBusinessNetworkMetadata);
-            mockBusinessNetworkMetadata.getPackageJson.returns({'disableHistorian': false});
-            context = new Context(mockEngine, mockInstalledBusinessNetwork);
-            context.historianEnabled.should.be.true;
-        });
-
-        it('should disable historian if disableHistorian set to a non boolean', () => {
+        it('should enable historian if InstalledBusinessNetwork says enabled', () => {
             const mockInstalledBusinessNetwork = sinon.createStubInstance(InstalledBusinessNetwork);
-            const mockBusinessNetworkDefinition = sinon.createStubInstance(BusinessNetworkDefinition);
-            mockInstalledBusinessNetwork.getDefinition.returns(mockBusinessNetworkDefinition);
-            const mockBusinessNetworkMetadata = sinon.createStubInstance(BusinessNetworkMetadata);
-            mockBusinessNetworkDefinition.getMetadata.returns(mockBusinessNetworkMetadata);
-            mockBusinessNetworkMetadata.getPackageJson.returns({'disableHistorian': 1});
+            mockInstalledBusinessNetwork.historianEnabled = true;
             context = new Context(mockEngine, mockInstalledBusinessNetwork);
             context.historianEnabled.should.be.true;
         });

packages/composer-runtime/test/installedbusinessnetwork.js

@@ -0,0 +1,69 @@
+/*
+ * 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.
+ */
+
+'use strict';
+
+const InstalledBusinessNetwork = require('../lib/installedbusinessnetwork');
+const BusinessNetworkDefinition = require('composer-common').BusinessNetworkDefinition;
+const BusinessNetworkMetadata = require('composer-common').BusinessNetworkMetadata;
+
+const chai = require('chai');
+chai.use(require('chai-as-promised'));
+const sinon = require('sinon');
+
+
+describe('InstalledBusinessNetwork', () => {
+    describe('#constructor', () => {
+
+        let mockBusinessNetworkDefinition;
+        let mockBusinessNetworkMetadata;
+        let mockNetworkInfo;
+        beforeEach(() => {
+            mockBusinessNetworkDefinition = sinon.createStubInstance(BusinessNetworkDefinition);
+            mockBusinessNetworkMetadata = sinon.createStubInstance(BusinessNetworkMetadata);
+            mockBusinessNetworkDefinition.getMetadata.returns(mockBusinessNetworkMetadata);
+            mockNetworkInfo = {
+                definition: mockBusinessNetworkDefinition,
+                compiledScriptBundle: 'scriptBundle',
+                compiledQueryBundle: 'queryBundle',
+                compiledAclBundle: 'aclBundle',
+                archive: 'archive'
+            };
+        });
+
+        it('should enable historian if no request to disable is present', () => {
+            mockBusinessNetworkMetadata.getPackageJson.returns({'something': 'text'});
+            const installedBusinessNetwork = new InstalledBusinessNetwork(mockNetworkInfo);
+            installedBusinessNetwork.historianEnabled.should.be.true;
+        });
+
+        it('should disable historian if disableHistorian set to true', () => {
+            mockBusinessNetworkMetadata.getPackageJson.returns({'disableHistorian': true});
+            const installedBusinessNetwork = new InstalledBusinessNetwork(mockNetworkInfo);
+            installedBusinessNetwork.historianEnabled.should.be.false;
+        });
+
+        it('should enable historian if disableHistorian set to false', () => {
+            mockBusinessNetworkMetadata.getPackageJson.returns({'disableHistorian': false});
+            const installedBusinessNetwork = new InstalledBusinessNetwork(mockNetworkInfo);
+            installedBusinessNetwork.historianEnabled.should.be.true;
+        });
+
+        it('should disable historian if disableHistorian set to a non boolean', () => {
+            mockBusinessNetworkMetadata.getPackageJson.returns({'disableHistorian': 1});
+            const installedBusinessNetwork = new InstalledBusinessNetwork(mockNetworkInfo);
+            installedBusinessNetwork.historianEnabled.should.be.true;
+        });
+    });
+});