【fix】空值判断 fix ut

Author: songyumeng

src/common/overlay/KnowledgeGraph.js

@@ -608,7 +608,7 @@ export class KnowledgeGraph {
    */
   expandNode(id) {
     const item = this.findById(id);
-    this.graphRender.expandNode(item);
+    item && this.graphRender.expandNode(item);
   }
 
   /**
@@ -619,7 +619,7 @@ export class KnowledgeGraph {
    */
   collapseNode(id) {
     const item = this.findById(id);
-    this.graphRender.collapseNode(item);
+    item && this.graphRender.collapseNode(item);
   }
 
   /**

test/leaflet/overlay/GraphMapSpec.js

@@ -37,7 +37,10 @@ describe('GraphMap leaflet', () => {
       }
     });
     var graphMap = new GraphMap(knowledgegraphmapURL);
-    expect(graphMap).not.toBeNull();
-    done();
+    graphMap.on('loaded',()=>{
+      expect(graphMap).not.toBeNull();
+      done();
+    })
+    
   });
 });

test/mapboxgl/overlay/GraphMapSpec.js

@@ -37,7 +37,9 @@ describe('GraphMap mapboxgl', () => {
       }
     });
     var graphMap = new GraphMap(knowledgegraphmapURL);
-    expect(graphMap).not.toBeNull();
-    done();
+    graphMap.on('loaded',()=>{
+      expect(graphMap).not.toBeNull();
+      done();
+    })
   });
 });

test/maplibregl/overlay/GraphMapSpec.js

@@ -37,7 +37,9 @@ describe('GraphMap leaflet', () => {
       }
     });
     var graphMap = new GraphMap(knowledgegraphmapURL);
-    expect(graphMap).not.toBeNull();
-    done();
+    graphMap.on('loaded',()=>{
+      expect(graphMap).not.toBeNull();
+      done();
+    })
   });
 });

test/openlayers/overlay/GraphMapSpec.js

@@ -37,7 +37,9 @@ describe('GraphMap openlayers', () => {
       }
     });
     var graphMap = new GraphMap(knowledgegraphmapURL);
-    expect(graphMap).not.toBeNull();
-    done();
+    graphMap.on('loaded',()=>{
+      expect(graphMap).not.toBeNull();
+      done();
+    })
   });
 });