Added unit tests for all and multi format options.

public/test/specs/templateSrv-specs.js

@@ -81,6 +81,16 @@ define([
         expect(result).to.be('(test|test2)');
       });
 
+      it('multi value and pipe should render pipe string', function() {
+        var result = _templateSrv.renderVariableValue({
+          multiFormat: 'pipe',
+          current: {
+            value: ['test','test2'],
+          }
+        });
+        expect(result).to.be('test|test2');
+      });
+
     });
 
     describe('can check if variable exists', function() {

public/test/specs/templateValuesSrv-specs.js

@@ -349,6 +349,17 @@ define([
       });
     });
 
+    describeUpdateVariable('with include all pipe all values', function(scenario) {
+      scenario.setup(function() {
+        scenario.variable = { type: 'query', query: 'apps.*', name: 'test', includeAll: true, allFormat: 'pipe' };
+        scenario.queryResult = [{text: 'backend1'}, {text: 'backend2'}, { text: 'backend3'}];
+      });
+
+      it('should add pipe delimited string', function() {
+        expect(scenario.variable.options[0].value).to.be('backend1|backend2|backend3');
+      });
+    });
+
   });
 
 });