TypeScript common.angularMocks类代码示例

describe('BluefloodQueryCtrl', function() {
  var ctx = new helpers.ControllerTestContext();

  beforeEach(angularMocks.module('grafana.core'));
  beforeEach(angularMocks.module('grafana.controllers'));
  beforeEach(angularMocks.module('grafana.services'));

  beforeEach(ctx.providePhase());
  beforeEach(ctx.createControllerPhase('BluefloodQueryCtrl'));

  beforeEach(function() {
    ctx.scope.target = {target: 'aliasByNode(scaleToSeconds(test.prod.*,1),2)'};

    ctx.scope.datasource = ctx.datasource;
    ctx.scope.datasource.metricFindQuery = sinon.stub().returns(ctx.$q.when([]));
  });

  describe('init', function() {
    beforeEach(function() {
      ctx.scope.init();
      ctx.scope.$digest();
    });

    it('should validate metric key exists', function() {
      expect(ctx.scope.datasource.metricFindQuery.getCall(0).args[0]).to.be('test.prod.*');
    });

    it('should delete last segment if no metrics are found', function() {
      expect(ctx.scope.segments[2].value).to.be('select metric');
    });

    it('should parse expression and build function model', function() {
      expect(ctx.scope.functions.length).to.be(2);
    });
  });

  describe('when adding function', function() {
    beforeEach(function() {
      ctx.scope.target.target = 'test.prod.*.count';
      ctx.scope.datasource.metricFindQuery.returns(ctx.$q.when([{expandable: false}]));
      ctx.scope.init();
      ctx.scope.$digest();

      ctx.scope.$parent = { get_data: sinon.spy() };
      ctx.scope.addFunction(gfunc.getFuncDef('aliasByNode'));
    });

    it('should add function with correct node number', function() {
      expect(ctx.scope.functions[0].params[0]).to.be(2);
    });

    it('should update target', function() {
      expect(ctx.scope.target.target).to.be('aliasByNode(test.prod.*.count, 2)');
    });

    it('should call get_data', function() {
      expect(ctx.scope.$parent.get_data.called).to.be(true);
    });
  });

  describe('when adding function before any metric segment', function() {
    beforeEach(function() {
      ctx.scope.target.target = '';
      ctx.scope.datasource.metricFindQuery.returns(ctx.$q.when([{expandable: true}]));
      ctx.scope.init();
      ctx.scope.$digest();

      ctx.scope.$parent = { get_data: sinon.spy() };
      ctx.scope.addFunction(gfunc.getFuncDef('asPercent'));
    });

    it('should add function and remove select metric link', function() {
      expect(ctx.scope.segments.length).to.be(0);
    });
  });

  describe('when initalizing target without metric expression and only function', function() {
    beforeEach(function() {
      ctx.scope.target.target = 'asPercent(#A, #B)';
      ctx.scope.datasource.metricFindQuery.returns(ctx.$q.when([]));
      ctx.scope.init();
      ctx.scope.$digest();
      ctx.scope.$parent = { get_data: sinon.spy() };
    });

    it('should not add select metric segment', function() {
      expect(ctx.scope.segments.length).to.be(0);
    });

    it('should add both series refs as params', function() {
      expect(ctx.scope.functions[0].params.length).to.be(2);
    });

  });

  describe('when initializing a target with single param func using variable', function() {
    beforeEach(function() {
      ctx.scope.target.target = 'movingAverage(prod.count, $var)';
      ctx.scope.datasource.metricFindQuery.returns(ctx.$q.when([]));
      ctx.scope.init();
//.........这里部分代码省略.........

describe('graphiteDatasource', function() {
  var ctx = new helpers.ServiceTestContext();
  var instanceSettings: any = {url: ['']};

  beforeEach(angularMocks.module('grafana.core'));
  beforeEach(angularMocks.module('grafana.services'));
  beforeEach(ctx.providePhase(['backendSrv']));
  beforeEach(angularMocks.inject(function($q, $rootScope, $httpBackend, $injector) {
    ctx.$q = $q;
    ctx.$httpBackend =  $httpBackend;
    ctx.$rootScope = $rootScope;
    ctx.$injector = $injector;
  }));

  beforeEach(function() {
    ctx.ds = ctx.$injector.instantiate(Datasource, {instanceSettings: instanceSettings});
  });

  describe('When querying influxdb with one target using query editor target spec', function() {
    var query = {
    rangeRaw: { from: 'now-1h', to: 'now' },
    targets: [{ target: 'prod1.count' }, {target: 'prod2.count'}],
    maxDataPoints: 500,
    };

    var results;
    var requestOptions;

    beforeEach(function() {
      ctx.backendSrv.datasourceRequest = function(options) {
        requestOptions = options;
        return ctx.$q.when({data: [{ target: 'prod1.count', datapoints: [[10, 1], [12,1]] }]});
      };

      ctx.ds.query(query).then(function(data) { results = data; });
      ctx.$rootScope.$apply();
    });

    it('should generate the correct query', function() {
      expect(requestOptions.url).to.be('/render');
    });

    it('should query correctly', function() {
      var params = requestOptions.data.split('&');
      expect(params).to.contain('target=prod1.count');
      expect(params).to.contain('target=prod2.count');
      expect(params).to.contain('from=-1h');
      expect(params).to.contain('until=now');
    });

    it('should exclude undefined params', function() {
      var params = requestOptions.data.split('&');
      expect(params).to.not.contain('cacheTimeout=undefined');
    });

    it('should return series list', function() {
      expect(results.data.length).to.be(1);
      expect(results.data[0].target).to.be('prod1.count');
    });

    it('should convert to millisecond resolution', function() {
      expect(results.data[0].datapoints[0][0]).to.be(10);
    });

  });

  describe('building graphite params', function() {
    it('should return empty array if no targets', function() {
      var results = ctx.ds.buildGraphiteParams({
        targets: [{}]
      });
      expect(results.length).to.be(0);
    });

    it('should uri escape targets', function() {
      var results = ctx.ds.buildGraphiteParams({
      targets: [{target: 'prod1.{test,test2}'}, {target: 'prod2.count'}]
      });
      expect(results).to.contain('target=prod1.%7Btest%2Ctest2%7D');
    });

    it('should replace target placeholder', function() {
      var results = ctx.ds.buildGraphiteParams({
      targets: [{target: 'series1'}, {target: 'series2'}, {target: 'asPercent(#A,#B)'}]
      });
      expect(results[2]).to.be('target=asPercent(series1%2Cseries2)');
    });

    it('should replace target placeholder for hidden series', function() {
      var results = ctx.ds.buildGraphiteParams({
      targets: [{target: 'series1', hide: true}, {target: 'sumSeries(#A)', hide: true}, {target: 'asPercent(#A,#B)'}]
      });
      expect(results[0]).to.be('target=' + encodeURIComponent('asPercent(series1,sumSeries(series1))'));
    });

    it('should replace target placeholder when nesting query references', function() {
      var results = ctx.ds.buildGraphiteParams({
      targets: [{target: 'series1'}, {target: 'sumSeries(#A)'}, {target: 'asPercent(#A,#B)'}]
      });
      expect(results[2]).to.be('target=' + encodeURIComponent("asPercent(series1,sumSeries(series1))"));
//.........这里部分代码省略.........

describe('CloudWatchDatasource', function() {
  var ctx = new helpers.ServiceTestContext();
  var instanceSettings = {
    jsonData: {defaultRegion: 'us-east-1', access: 'proxy'},
  };

  beforeEach(angularMocks.module('grafana.core'));
  beforeEach(angularMocks.module('grafana.services'));
  beforeEach(angularMocks.module('grafana.controllers'));
  beforeEach(ctx.providePhase(['templateSrv', 'backendSrv']));

  beforeEach(angularMocks.inject(function($q, $rootScope, $httpBackend, $injector) {
    ctx.$q = $q;
    ctx.$httpBackend =  $httpBackend;
    ctx.$rootScope = $rootScope;
    ctx.ds = $injector.instantiate(Datasource, {instanceSettings: instanceSettings});
  }));

  describe('When performing CloudWatch query', function() {
    var requestParams;

    var query = {
      range: { from: 'now-1h', to: 'now' },
      targets: [
        {
          region: 'us-east-1',
          namespace: 'AWS/EC2',
          metricName: 'CPUUtilization',
          dimensions: {
            InstanceId: 'i-12345678'
          },
          statistics: ['Average'],
          period: 300
        }
      ]
    };

    var response = {
      Datapoints: [
        {
          Average: 1,
          Timestamp: 'Wed Dec 31 1969 16:00:00 GMT-0800 (PST)'
        },
        {
          Average: 2,
          Timestamp: 'Wed Dec 31 1969 16:05:00 GMT-0800 (PST)'
        },
        {
          Average: 5,
          Timestamp: 'Wed Dec 31 1969 16:15:00 GMT-0800 (PST)'
        }
      ],
      Label: 'CPUUtilization'
    };

    beforeEach(function() {
      ctx.backendSrv.datasourceRequest = function(params) {
        requestParams = params;
        return ctx.$q.when({data: response});
      };
    });

    it('should generate the correct query', function(done) {
      ctx.ds.query(query).then(function() {
        var params = requestParams.data.parameters;
        expect(params.namespace).to.be(query.targets[0].namespace);
        expect(params.metricName).to.be(query.targets[0].metricName);
        expect(params.dimensions[0].Name).to.be(Object.keys(query.targets[0].dimensions)[0]);
        expect(params.dimensions[0].Value).to.be(query.targets[0].dimensions[Object.keys(query.targets[0].dimensions)[0]]);
        expect(params.statistics).to.eql(query.targets[0].statistics);
        expect(params.period).to.be(query.targets[0].period);
        done();
      });
      ctx.$rootScope.$apply();
    });

    it('should return series list', function(done) {
      ctx.ds.query(query).then(function(result) {
        expect(result.data[0].target).to.be('CPUUtilization_Average');
        expect(result.data[0].datapoints[0][0]).to.be(response.Datapoints[0]['Average']);
        done();
      });
      ctx.$rootScope.$apply();
    });

    it('should return null for missing data point', function(done) {
      ctx.ds.query(query).then(function(result) {
        expect(result.data[0].datapoints[2][0]).to.be(null);
        done();
      });
      ctx.$rootScope.$apply();
    });
  });

  function describeMetricFindQuery(query, func) {
    describe('metricFindQuery ' + query, () => {
      let scenario: any = {};
      scenario.setup = setupCallback => {
        beforeEach(() => {
          setupCallback();
//.........这里部分代码省略.........

describe('ElasticDatasource', function() {
  var ctx = new helpers.ServiceTestContext();

  beforeEach(angularMocks.module('grafana.core'));
  beforeEach(angularMocks.module('grafana.services'));
  beforeEach(ctx.providePhase(['templateSrv', 'backendSrv', 'timeSrv']));

  beforeEach(angularMocks.inject(function($q, $rootScope, $httpBackend, $injector) {
    ctx.$q = $q;
    ctx.$httpBackend =  $httpBackend;
    ctx.$rootScope = $rootScope;
    ctx.$injector = $injector;
    $httpBackend.when('GET', /\.html$/).respond('');
  }));

  function createDatasource(instanceSettings) {
    instanceSettings.jsonData = instanceSettings.jsonData || {};
    ctx.ds = ctx.$injector.instantiate(ElasticDatasource, {instanceSettings: instanceSettings});
  }

  describe('When testing datasource with index pattern', function() {
    beforeEach(function() {
      createDatasource({url: 'http://es.com', index: '[asd-]YYYY.MM.DD', jsonData: {interval: 'Daily', esVersion: '2'}});
    });

    it('should translate index pattern to current day', function() {
      var requestOptions;
      ctx.backendSrv.datasourceRequest = function(options) {
        requestOptions = options;
        return ctx.$q.when({data: {}});
      };

      ctx.ds.testDatasource();
      ctx.$rootScope.$apply();

      var today = moment.utc().format("YYYY.MM.DD");
      expect(requestOptions.url).to.be("http://es.com/asd-" + today + '/_mapping');
    });
  });

  describe('When issueing metric query with interval pattern', function() {
    var requestOptions, parts, header;

    beforeEach(function() {
      createDatasource({url: 'http://es.com', index: '[asd-]YYYY.MM.DD', jsonData: {interval: 'Daily', esVersion: '2'}});

      ctx.backendSrv.datasourceRequest = function(options) {
        requestOptions = options;
        return ctx.$q.when({data: {responses: []}});
      };

      ctx.ds.query({
        range: {
          from: moment.utc([2015, 4, 30, 10]),
          to: moment.utc([2015, 5, 1, 10])
        },
        targets: [{ bucketAggs: [], metrics: [{type: 'raw_document'}], query: 'escape\\:test' }]
      });

      ctx.$rootScope.$apply();

      parts = requestOptions.data.split('\n');
      header = angular.fromJson(parts[0]);
    });

    it('should translate index pattern to current day', function() {
      expect(header.index).to.eql(['asd-2015.05.30', 'asd-2015.05.31', 'asd-2015.06.01']);
    });

    it('should json escape lucene query', function() {
      var body = angular.fromJson(parts[1]);
      expect(body.query.bool.filter[1].query_string.query).to.be('escape\\:test');
    });
  });

  describe('When issueing document query', function() {
    var requestOptions, parts, header;

    beforeEach(function() {
      createDatasource({url: 'http://es.com', index: 'test', jsonData: {esVersion: '2'}});

      ctx.backendSrv.datasourceRequest = function(options) {
        requestOptions = options;
        return ctx.$q.when({data: {responses: []}});
      };

      ctx.ds.query({
        range: { from: moment([2015, 4, 30, 10]), to: moment([2015, 5, 1, 10]) },
        targets: [{ bucketAggs: [], metrics: [{type: 'raw_document'}], query: 'test' }]
      });

      ctx.$rootScope.$apply();
      parts = requestOptions.data.split('\n');
      header = angular.fromJson(parts[0]);
    });

    it('should set search type to query_then_fetch', function() {
      expect(header.search_type).to.eql('query_then_fetch');
    });

//.........这里部分代码省略.........

describe('PrometheusMetricFindQuery', function() {
  var ctx = new helpers.ServiceTestContext();
  var instanceSettings = {
    url: 'proxied',
    directUrl: 'direct',
    user: 'test',
    password: 'mupp',
    jsonData: { httpMethod: 'GET' },
  };

  beforeEach(angularMocks.module('grafana.core'));
  beforeEach(angularMocks.module('grafana.services'));
  beforeEach(
    angularMocks.inject(function($q, $rootScope, $httpBackend, $injector) {
      ctx.$q = $q;
      ctx.$httpBackend = $httpBackend;
      ctx.$rootScope = $rootScope;
      ctx.ds = $injector.instantiate(PrometheusDatasource, {
        instanceSettings: instanceSettings,
      });
      $httpBackend.when('GET', /\.html$/).respond('');
    })
  );

  describe('When performing metricFindQuery', function() {
    var results;
    var response;
    it('label_values(resource) should generate label search query', function() {
      response = {
        status: 'success',
        data: ['value1', 'value2', 'value3'],
      };
      ctx.$httpBackend.expect('GET', 'proxied/api/v1/label/resource/values').respond(response);
      var pm = new PrometheusMetricFindQuery(ctx.ds, 'label_values(resource)', ctx.timeSrv);
      pm.process().then(function(data) {
        results = data;
      });
      ctx.$httpBackend.flush();
      ctx.$rootScope.$apply();
      expect(results.length).to.be(3);
    });
    it('label_values(metric, resource) should generate series query', function() {
      response = {
        status: 'success',
        data: [
          { __name__: 'metric', resource: 'value1' },
          { __name__: 'metric', resource: 'value2' },
          { __name__: 'metric', resource: 'value3' },
        ],
      };
      ctx.$httpBackend.expect('GET', /proxied\/api\/v1\/series\?match\[\]=metric&start=.*&end=.*/).respond(response);
      var pm = new PrometheusMetricFindQuery(ctx.ds, 'label_values(metric, resource)', ctx.timeSrv);
      pm.process().then(function(data) {
        results = data;
      });
      ctx.$httpBackend.flush();
      ctx.$rootScope.$apply();
      expect(results.length).to.be(3);
    });
    it('label_values(metric, resource) should pass correct time', function() {
      ctx.timeSrv.setTime({
        from: moment.utc('2011-01-01'),
        to: moment.utc('2015-01-01'),
      });
      ctx.$httpBackend
        .expect('GET', /proxied\/api\/v1\/series\?match\[\]=metric&start=1293840000&end=1420070400/)
        .respond(response);
      var pm = new PrometheusMetricFindQuery(ctx.ds, 'label_values(metric, resource)', ctx.timeSrv);
      pm.process().then(function(data) {
        results = data;
      });
      ctx.$httpBackend.flush();
      ctx.$rootScope.$apply();
    });
    it('label_values(metric{label1="foo", label2="bar", label3="baz"}, resource) should generate series query', function() {
      response = {
        status: 'success',
        data: [
          { __name__: 'metric', resource: 'value1' },
          { __name__: 'metric', resource: 'value2' },
          { __name__: 'metric', resource: 'value3' },
        ],
      };
      ctx.$httpBackend.expect('GET', /proxied\/api\/v1\/series\?match\[\]=metric&start=.*&end=.*/).respond(response);
      var pm = new PrometheusMetricFindQuery(ctx.ds, 'label_values(metric, resource)', ctx.timeSrv);
      pm.process().then(function(data) {
        results = data;
      });
      ctx.$httpBackend.flush();
      ctx.$rootScope.$apply();
      expect(results.length).to.be(3);
    });
    it('label_values(metric, resource) result should not contain empty string', function() {
      response = {
        status: 'success',
        data: [
          { __name__: 'metric', resource: 'value1' },
          { __name__: 'metric', resource: 'value2' },
          { __name__: 'metric', resource: '' },
        ],
//.........这里部分代码省略.........

describe('InfluxDBQueryCtrl', function() {
  var ctx = new helpers.ControllerTestContext();

  beforeEach(angularMocks.module('grafana.core'));
  beforeEach(angularMocks.module('grafana.controllers'));
  beforeEach(angularMocks.module('grafana.services'));
  beforeEach(ctx.providePhase());
  beforeEach(ctx.createControllerPhase('InfluxQueryCtrl'));

  beforeEach(function() {
    ctx.scope.target = {};
    ctx.scope.$parent = { get_data: sinon.spy() };

    ctx.scope.datasource = ctx.datasource;
    ctx.scope.datasource.metricFindQuery = sinon.stub().returns(ctx.$q.when([]));
  });

  describe('init', function() {
    beforeEach(function() {
      ctx.scope.init();
    });

    it('should init tagSegments', function() {
      expect(ctx.scope.tagSegments.length).to.be(1);
    });

    it('should init measurementSegment', function() {
      expect(ctx.scope.measurementSegment.value).to.be('select measurement');
    });
  });

  describe('when first tag segment is updated', function() {
    beforeEach(function() {
      ctx.scope.init();
      ctx.scope.tagSegmentUpdated({value: 'asd', type: 'plus-button'}, 0);
    });

    it('should update tag key', function() {
      expect(ctx.scope.target.tags[0].key).to.be('asd');
      expect(ctx.scope.tagSegments[0].type).to.be('key');
    });

    it('should add tagSegments', function() {
      expect(ctx.scope.tagSegments.length).to.be(3);
    });
  });

  describe('when last tag value segment is updated', function() {
    beforeEach(function() {
      ctx.scope.init();
      ctx.scope.tagSegmentUpdated({value: 'asd', type: 'plus-button'}, 0);
      ctx.scope.tagSegmentUpdated({value: 'server1', type: 'value'}, 2);
    });

    it('should update tag value', function() {
      expect(ctx.scope.target.tags[0].value).to.be('server1');
    });

    it('should set tag operator', function() {
      expect(ctx.scope.target.tags[0].operator).to.be('=');
    });

    it('should add plus button for another filter', function() {
      expect(ctx.scope.tagSegments[3].fake).to.be(true);
    });
  });

  describe('when last tag value segment is updated to regex', function() {
    beforeEach(function() {
      ctx.scope.init();
      ctx.scope.tagSegmentUpdated({value: 'asd', type: 'plus-button'}, 0);
      ctx.scope.tagSegmentUpdated({value: '/server.*/', type: 'value'}, 2);
    });

    it('should update operator', function() {
      expect(ctx.scope.tagSegments[1].value).to.be('=~');
      expect(ctx.scope.target.tags[0].operator).to.be('=~');
    });
  });

  describe('when second tag key is added', function() {
    beforeEach(function() {
      ctx.scope.init();
      ctx.scope.tagSegmentUpdated({value: 'asd', type: 'plus-button' }, 0);
      ctx.scope.tagSegmentUpdated({value: 'server1', type: 'value'}, 2);
      ctx.scope.tagSegmentUpdated({value: 'key2', type: 'plus-button'}, 3);
    });

    it('should update tag key', function() {
      expect(ctx.scope.target.tags[1].key).to.be('key2');
    });

    it('should add AND segment', function() {
      expect(ctx.scope.tagSegments[3].value).to.be('AND');
    });
  });

  describe('when condition is changed', function() {
    beforeEach(function() {
      ctx.scope.init();
//.........这里部分代码省略.........

describe('ElasticDatasource', function() {
  var ctx = new helpers.ServiceTestContext();

  beforeEach(angularMocks.module('grafana.core'));
  beforeEach(angularMocks.module('grafana.services'));
  beforeEach(ctx.providePhase(['templateSrv', 'backendSrv']));
  beforeEach(ctx.createService('ElasticDatasource'));
  beforeEach(function() {
    ctx.ds = new ctx.service({jsonData: {}});
  });

  describe('When testing datasource with index pattern', function() {
    beforeEach(function() {
      ctx.ds = new ctx.service({
        url: 'http://es.com',
        index: '[asd-]YYYY.MM.DD',
        jsonData: { interval: 'Daily' }
      });
    });

    it('should translate index pattern to current day', function() {
      var requestOptions;
      ctx.backendSrv.datasourceRequest = function(options) {
        requestOptions = options;
        return ctx.$q.when({});
      };

      ctx.ds.testDatasource();
      ctx.$rootScope.$apply();

      var today = moment.utc().format("YYYY.MM.DD");
      expect(requestOptions.url).to.be("http://es.com/asd-" + today + '/_stats');
    });
  });

  describe('When issueing metric query with interval pattern', function() {
    var requestOptions, parts, header;

    beforeEach(function() {
      ctx.ds = new ctx.service({
        url: 'http://es.com',
        index: '[asd-]YYYY.MM.DD',
        jsonData: { interval: 'Daily' }
      });

      ctx.backendSrv.datasourceRequest = function(options) {
        requestOptions = options;
        return ctx.$q.when({data: {responses: []}});
      };

      ctx.ds.query({
        range: {
          from: moment([2015, 4, 30, 10]),
          to: moment([2015, 5, 1, 10])
        },
        targets: [{ bucketAggs: [], metrics: [], query: 'escape\\:test' }]
      });

      ctx.$rootScope.$apply();

      parts = requestOptions.data.split('\n');
      header = angular.fromJson(parts[0]);
    });

    it('should translate index pattern to current day', function() {
      expect(header.index).to.eql(['asd-2015.05.30', 'asd-2015.05.31', 'asd-2015.06.01']);
    });

    it('should json escape lucene query', function() {
      var body = angular.fromJson(parts[1]);
      expect(body.query.filtered.query.query_string.query).to.be('escape\\:test');
    });
  });

  describe('When issueing document query', function() {
    var requestOptions, parts, header;

    beforeEach(function() {
      ctx.ds = new ctx.service({url: 'http://es.com', index: 'test', jsonData: {}});

      ctx.backendSrv.datasourceRequest = function(options) {
        requestOptions = options;
        return ctx.$q.when({data: {responses: []}});
      };

      ctx.ds.query({
        range: { from: moment([2015, 4, 30, 10]), to: moment([2015, 5, 1, 10]) },
        targets: [{ bucketAggs: [], metrics: [{type: 'raw_document'}], query: 'test' }]
      });

      ctx.$rootScope.$apply();
      parts = requestOptions.data.split('\n');
      header = angular.fromJson(parts[0]);
    });

    it('should set search type to query_then_fetch', function() {
      expect(header.search_type).to.eql('query_then_fetch');
    });

    it('should set size', function() {
//.........这里部分代码省略.........

describe('graphiteDatasource', function() {
  let ctx = new helpers.ServiceTestContext();
  let instanceSettings: any = {url: [''], name: 'graphiteProd', jsonData: {}};

  beforeEach(angularMocks.module('grafana.core'));
  beforeEach(angularMocks.module('grafana.services'));
  beforeEach(ctx.providePhase(['backendSrv', 'templateSrv']));
  beforeEach(angularMocks.inject(function($q, $rootScope, $httpBackend, $injector) {
    ctx.$q = $q;
    ctx.$httpBackend =  $httpBackend;
    ctx.$rootScope = $rootScope;
    ctx.$injector = $injector;
    $httpBackend.when('GET', /\.html$/).respond('');
  }));

  beforeEach(function() {
    ctx.ds = ctx.$injector.instantiate(GraphiteDatasource, {instanceSettings: instanceSettings});
  });

  describe('When querying graphite with one target using query editor target spec', function() {
    let query = {
      panelId: 3,
      rangeRaw: { from: 'now-1h', to: 'now' },
      targets: [{ target: 'prod1.count' }, {target: 'prod2.count'}],
      maxDataPoints: 500,
    };

    let results;
    let requestOptions;

    beforeEach(function() {
      ctx.backendSrv.datasourceRequest = function(options) {
        requestOptions = options;
        return ctx.$q.when({data: [{ target: 'prod1.count', datapoints: [[10, 1], [12,1]] }]});
      };

      ctx.ds.query(query).then(function(data) { results = data; });
      ctx.$rootScope.$apply();
    });

    it('should generate the correct query', function() {
      expect(requestOptions.url).to.be('/render');
    });

    it('should set unique requestId', function() {
      expect(requestOptions.requestId).to.be('graphiteProd.panelId.3');
    });

    it('should query correctly', function() {
      let params = requestOptions.data.split('&');
      expect(params).to.contain('target=prod1.count');
      expect(params).to.contain('target=prod2.count');
      expect(params).to.contain('from=-1h');
      expect(params).to.contain('until=now');
    });

    it('should exclude undefined params', function() {
      let params = requestOptions.data.split('&');
      expect(params).to.not.contain('cacheTimeout=undefined');
    });

    it('should return series list', function() {
      expect(results.data.length).to.be(1);
      expect(results.data[0].target).to.be('prod1.count');
    });

    it('should convert to millisecond resolution', function() {
      expect(results.data[0].datapoints[0][0]).to.be(10);
    });

  });

  describe('when fetching Graphite Events as annotations', () => {
    let results;

    const options = {
      annotation: {
        tags: 'tag1'
      },
      range: {
        from: moment(1432288354),
        to: moment(1432288401)
      },
      rangeRaw: {from: "now-24h", to: "now"}
    };

    describe('and tags are returned as string', () => {
      const response = {
        data: [
        {
          when: 1507222850,
          tags: 'tag1 tag2',
          data: 'some text',
          id: 2,
          what: 'Event - deploy'
        }
      ]};

      beforeEach(() => {
        ctx.backendSrv.datasourceRequest = function(options) {
//.........这里部分代码省略.........

  describe('when the user wants to compare two revisions', function() {
    var deferred;

    beforeEach(
      angularMocks.inject(($controller, $q) => {
        deferred = $q.defer();
        historySrv.getHistoryList.returns($q.when(versionsResponse));
        historySrv.calculateDiff.returns(deferred.promise);
        ctx.ctrl = $controller(
          HistoryListCtrl,
          {
            historySrv,
            $rootScope,
            $scope: ctx.scope,
          },
          {
            dashboard: {
              id: 2,
              version: 3,
              formatDate: sinon.stub().returns('date'),
            },
          }
        );

        ctx.ctrl.$scope.onDashboardSaved = sinon.spy();
        ctx.ctrl.$scope.$apply();
      })
    );

    it('should have already fetched the history list', function() {
      expect(historySrv.getHistoryList.calledOnce).to.be(true);
      expect(ctx.ctrl.revisions.length).to.be.above(0);
    });

    it('should check that two valid versions are selected', function() {
      // []
      expect(ctx.ctrl.canCompare).to.be(false);

      // single value
      ctx.ctrl.revisions = [{ checked: true }];
      ctx.ctrl.revisionSelectionChanged();
      expect(ctx.ctrl.canCompare).to.be(false);

      // both values in range
      ctx.ctrl.revisions = [{ checked: true }, { checked: true }];
      ctx.ctrl.revisionSelectionChanged();
      expect(ctx.ctrl.canCompare).to.be(true);
    });

    describe('and the basic diff is successfully fetched', function() {
      beforeEach(function() {
        deferred.resolve(compare('basic'));
        ctx.ctrl.revisions[1].checked = true;
        ctx.ctrl.revisions[3].checked = true;
        ctx.ctrl.getDiff('basic');
        ctx.ctrl.$scope.$apply();
      });

      it('should fetch the basic diff if two valid versions are selected', function() {
        expect(historySrv.calculateDiff.calledOnce).to.be(true);
        expect(ctx.ctrl.delta.basic).to.be('<div></div>');
        expect(ctx.ctrl.delta.json).to.be('');
      });

      it('should set the basic diff view as active', function() {
        expect(ctx.ctrl.mode).to.be('compare');
        expect(ctx.ctrl.diff).to.be('basic');
      });

      it('should indicate loading has finished', function() {
        expect(ctx.ctrl.loading).to.be(false);
      });
    });

    describe('and the json diff is successfully fetched', function() {
      beforeEach(function() {
        deferred.resolve(compare('json'));
        ctx.ctrl.revisions[1].checked = true;
        ctx.ctrl.revisions[3].checked = true;
        ctx.ctrl.getDiff('json');
        ctx.ctrl.$scope.$apply();
      });

      it('should fetch the json diff if two valid versions are selected', function() {
        expect(historySrv.calculateDiff.calledOnce).to.be(true);
        expect(ctx.ctrl.delta.basic).to.be('');
        expect(ctx.ctrl.delta.json).to.be('<pre><code></code></pre>');
      });

      it('should set the json diff view as active', function() {
        expect(ctx.ctrl.mode).to.be('compare');
        expect(ctx.ctrl.diff).to.be('json');
      });

      it('should indicate loading has finished', function() {
        expect(ctx.ctrl.loading).to.be(false);
      });
    });

    describe('and diffs have already been fetched', function() {
//.........这里部分代码省略.........

describe('CloudWatchDatasource', function() {
  var ctx = new helpers.ServiceTestContext();

  beforeEach(angularMocks.module('grafana.services'));
  beforeEach(angularMocks.module('grafana.controllers'));
  beforeEach(ctx.providePhase(['templateSrv', 'backendSrv']));
  beforeEach(ctx.createService('CloudWatchDatasource'));
  beforeEach(function() {
    ctx.ds = new ctx.service({
      jsonData: {
        defaultRegion: 'us-east-1',
        access: 'proxy'
      }
    });
  });

  describe('When performing CloudWatch query', function() {
    var requestParams;

    var query = {
      range: { from: 'now-1h', to: 'now' },
      targets: [
        {
          region: 'us-east-1',
          namespace: 'AWS/EC2',
          metricName: 'CPUUtilization',
          dimensions: {
            InstanceId: 'i-12345678'
          },
          statistics: ['Average'],
          period: 300
        }
      ]
    };

    var response = {
      Datapoints: [
        {
          Average: 1,
          Timestamp: 'Wed Dec 31 1969 16:00:00 GMT-0800 (PST)'
        }
      ],
      Label: 'CPUUtilization'
    };

    beforeEach(function() {
      ctx.backendSrv.datasourceRequest = function(params) {
        requestParams = params;
        return ctx.$q.when({data: response});
      };
    });

    it('should generate the correct query', function(done) {
      ctx.ds.query(query).then(function() {
        var params = requestParams.data.parameters;
        expect(params.namespace).to.be(query.targets[0].namespace);
        expect(params.metricName).to.be(query.targets[0].metricName);
        expect(params.dimensions[0].Name).to.be(Object.keys(query.targets[0].dimensions)[0]);
        expect(params.dimensions[0].Value).to.be(query.targets[0].dimensions[Object.keys(query.targets[0].dimensions)[0]]);
        expect(params.statistics).to.eql(query.targets[0].statistics);
        expect(params.period).to.be(query.targets[0].period);
        done();
      });
      ctx.$rootScope.$apply();
    });

    it('should return series list', function(done) {
      ctx.ds.query(query).then(function(result) {
        expect(result.data[0].target).to.be('CPUUtilization_Average');
        expect(result.data[0].datapoints[0][0]).to.be(response.Datapoints[0]['Average']);
        done();
      });
      ctx.$rootScope.$apply();
    });
  });

  function describeMetricFindQuery(query, func) {
    describe('metricFindQuery ' + query, () => {
      let scenario: any = {};
      scenario.setup = setupCallback => {
        beforeEach(() => {
          setupCallback();
          ctx.backendSrv.datasourceRequest = args => {
            scenario.request = args;
            return ctx.$q.when({data: scenario.requestResponse });
          };
          ctx.ds.metricFindQuery(query).then(args => {
            scenario.result = args;
          });
          ctx.$rootScope.$apply();
        });
      };

      func(scenario);
    });
  }

  describeMetricFindQuery('regions()', scenario => {
    scenario.setup(() => {
      scenario.requestResponse = [{text: 'us-east-1'}];
//.........这里部分代码省略.........