feat(templating): more work on new variable handling code, #6048

public/app/features/templating/specs/variabe_srv_init_specs.ts

@@ -0,0 +1,88 @@
+import {describe, beforeEach, it, sinon, expect, angularMocks} from 'test/lib/common';
+
+import moment from 'moment';
+import helpers from 'test/specs/helpers';
+import '../all';
+
+describe('VariableSrv Init', function() {
+  var ctx = new helpers.ControllerTestContext();
+
+  beforeEach(angularMocks.module('grafana.core'));
+  beforeEach(angularMocks.module('grafana.controllers'));
+  beforeEach(angularMocks.module('grafana.services'));
+
+  beforeEach(ctx.providePhase(['datasourceSrv', 'timeSrv', 'templateSrv', '$location']));
+  beforeEach(angularMocks.inject(($rootScope, $q, $location, $injector) => {
+    ctx.$q = $q;
+    ctx.$rootScope = $rootScope;
+    ctx.$location = $location;
+    ctx.variableSrv = $injector.get('variableSrv');
+    ctx.variableSrv.init({templating: {list: []}});
+    ctx.$rootScope.$digest();
+  }));
+
+  function describeInitSceneario(desc, fn) {
+    describe(desc, function() {
+      var scenario: any = {
+        urlParams: {},
+        setup: setupFn => {
+          scenario.setupFn = setupFn;
+        }
+      };
+
+      beforeEach(function() {
+        scenario.setupFn();
+        var ds: any = {};
+        ds.metricFindQuery = sinon.stub().returns(ctx.$q.when(scenario.queryResult));
+        ctx.datasourceSrv.get = sinon.stub().returns(ctx.$q.when(ds));
+        ctx.datasourceSrv.getMetricSources = sinon.stub().returns(scenario.metricSources);
+
+        ctx.$location.search = sinon.stub().returns(scenario.urlParams);
+
+        ctx.dashboard = {templating: {list: scenario.variables}};
+        ctx.variableSrv.init(ctx.dashboard);
+        ctx.$rootScope.$digest();
+
+        scenario.variables = ctx.variableSrv.variables;
+      });
+
+      fn(scenario);
+    });
+  }
+
+  describeInitSceneario('when setting query variable via url', scenario => {
+    scenario.setup(() => {
+      scenario.variables = [{
+        name: 'apps',
+        type: 'query',
+        current: {text: "test", value: "test"},
+        options: [{text: "test", value: "test"}]
+      }];
+      scenario.urlParams["var-apps"] = "new";
+    });
+
+    it('should update current value', () => {
+      expect(scenario.variables[0].current.value).to.be("new");
+      expect(scenario.variables[0].current.text).to.be("new");
+    });
+  });
+
+  describeInitSceneario('when setting custom variable via url', scenario => {
+    scenario.setup(() => {
+      scenario.variables = [{
+        name: 'apps',
+        type: 'custom',
+        current: {text: "test", value: "test"},
+        options: [{text: "test", value: "test"}]
+      }];
+      scenario.urlParams["var-apps"] = "new";
+    });
+
+    it('should update current value', () => {
+      expect(scenario.variables[0].current.value).to.be("new");
+      expect(scenario.variables[0].current.text).to.be("new");
+    });
+  });
+
+});
+

public/app/features/templating/specs/variable_srv_init_specs.ts

@@ -109,5 +109,34 @@ describe('VariableSrv init', function() {
     });
   });
 
+  describeInitScenario('when template variable is present in url multiple times', scenario => {
+    scenario.setup(() => {
+      scenario.variables = [{
+        name: 'apps',
+        type: 'query',
+        multi: true,
+        current: {text: "val1", value: "val1"},
+        options: [{text: "val1", value: "val1"}, {text: 'val2', value: 'val2'}, {text: 'val3', value: 'val3', selected: true}]
+      }];
+      scenario.urlParams["var-apps"] = ["val2", "val1"];
+    });
+
+    it('should update current value', function() {
+      var variable = ctx.variableSrv.variables[0];
+      expect(variable.current.value.length).to.be(2);
+      expect(variable.current.value[0]).to.be("val2");
+      expect(variable.current.value[1]).to.be("val1");
+      expect(variable.current.text).to.be("val2 + val1");
+      expect(variable.options[0].selected).to.be(true);
+      expect(variable.options[1].selected).to.be(true);
+    });
+
+    it('should set options that are not in value to selected false', function() {
+      var variable = ctx.variableSrv.variables[0];
+      expect(variable.options[2].selected).to.be(false);
+    });
+  });
+
+
 });