TypeScript angularMocks.module方法代码示例

    ctx.setup = function (setupFunc) {

      beforeEach(angularMocks.module('grafana.core'));
      beforeEach(angularMocks.module('grafana.services'));
      beforeEach(angularMocks.module(function($provide) {
        $provide.value('contextSrv', {
          user: { timezone: 'utc'}
        });
      }));

      beforeEach(angularMocks.inject(function(dashboardSrv) {
        ctx.dashboardSrv = dashboardSrv;
        var model = {
          rows: [],
          templating: { list: [] }
        };

        setupFunc(model);
        ctx.dash = ctx.dashboardSrv.create(model);
        ctx.dynamicDashboardSrv = new DynamicDashboardSrv();
        ctx.dynamicDashboardSrv.init(ctx.dash);
        ctx.rows = ctx.dash.rows;
      }));
    };

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

  beforeEach(angularMocks.module('grafana.core'));
  beforeEach(angularMocks.module('grafana.controllers'));
  beforeEach(angularMocks.module('grafana.services'));
  beforeEach(
    angularMocks.module(function($compileProvider) {
      $compileProvider.preAssignBindingsEnabled(true);
    })
  );

  beforeEach(ctx.providePhase());
  beforeEach(
    angularMocks.inject(($rootScope, $controller, $q) => {
      ctx.$q = $q;
      ctx.scope = $rootScope.$new();
      ctx.target = { target: 'aliasByNode(scaleToSeconds(test.prod.*,1),2)' };
      ctx.datasource.metricFindQuery = sinon.stub().returns(ctx.$q.when([]));
      ctx.panelCtrl = { panel: {} };
      ctx.panelCtrl = {
        panel: {
          targets: [ctx.target],
        },
      };
      ctx.panelCtrl.refresh = sinon.spy();

      ctx.ctrl = $controller(
        GraphiteQueryCtrl,
        { $scope: ctx.scope },
        {
          panelCtrl: ctx.panelCtrl,
          datasource: ctx.datasource,
          target: ctx.target,
        }
      );
      ctx.scope.$digest();
    })
  );

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

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

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

  describe('when adding function', function() {
    beforeEach(function() {
      ctx.ctrl.target.target = 'test.prod.*.count';
      ctx.ctrl.datasource.metricFindQuery = sinon.stub().returns(ctx.$q.when([{ expandable: false }]));
      ctx.ctrl.parseTarget();
      ctx.ctrl.addFunction(gfunc.getFuncDef('aliasByNode'));
    });

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

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

    it('should call refresh', function() {
      expect(ctx.panelCtrl.refresh.called).to.be(true);
    });
  });

  describe('when adding function before any metric segment', function() {
    beforeEach(function() {
      ctx.ctrl.target.target = '';
      ctx.ctrl.datasource.metricFindQuery.returns(ctx.$q.when([{ expandable: true }]));
      ctx.ctrl.parseTarget();
      ctx.ctrl.addFunction(gfunc.getFuncDef('asPercent'));
    });

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

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

    it('should not add select metric segment', function() {
      expect(ctx.ctrl.segments.length).to.be(1);
    });

//.........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: {},
  };

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

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

  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 querying prometheus with one target using query editor target spec', function() {
    var results;
    var urlExpected = 'proxied/api/v1/query_range';
    var dataExpected = $.param({
      query: 'test{job="testjob"}',
      start: 1443438675,
      end: 1443460275,
      step: 60,
    });
    var query = {
      range: { from: moment(1443438674760), to: moment(1443460274760) },
      targets: [{ expr: 'test{job="testjob"}', format: 'time_series' }],
      interval: '60s',
    };
    var response = {
      status: 'success',
      data: {
        resultType: 'matrix',
        result: [
          {
            metric: { __name__: 'test', job: 'testjob' },
            values: [[1443454528, '3846']],
          },
        ],
      },
    };
    beforeEach(function() {
      ctx.$httpBackend.expectPOST(urlExpected, dataExpected).respond(response);
      ctx.ds.query(query).then(function(data) {
        results = data;
      });
      ctx.$httpBackend.flush();
    });
    it('should generate the correct query', function() {
      ctx.$httpBackend.verifyNoOutstandingExpectation();
    });
    it('should return series list', function() {
      expect(results.data.length).to.be(1);
      expect(results.data[0].target).to.be('test{job="testjob"}');
    });
  });
});

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

  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(Datasource, {instanceSettings: instanceSettings});
  }));

  describe('When querying prometheus with one target using query editor target spec', function() {
    var results;
    var urlExpected = 'proxied/api/v1/query_range?query=' +
                      encodeURIComponent('test{job="testjob"}') +
                      '&start=1443438675&end=1443460275&step=60';
    var query = {
      range: { from: moment(1443438674760), to: moment(1443460274760) },
      targets: [{ expr: 'test{job="testjob"}' }],
      interval: '60s'
    };
    var response = {
      status: "success",
      data: {
        resultType: "matrix",
        result: [{
          metric: {"__name__": "test", job: "testjob"},
          values: [[1443454528, "3846"]]
        }]
      }
    };
    beforeEach(function() {
      ctx.$httpBackend.expect('GET', urlExpected).respond(response);
      ctx.ds.query(query).then(function(data) { results = data; });
      ctx.$httpBackend.flush();
    });
    it('should generate the correct query', function() {
      ctx.$httpBackend.verifyNoOutstandingExpectation();
    });
    it('should return series list', function() {
      expect(results.data.length).to.be(1);
      expect(results.data[0].target).to.be('test{job="testjob"}');
    });
  });
  describe('When querying prometheus with one target which return multiple series', function() {
    var results;
    var start = 1443438675;
    var end = 1443460275;
    var step = 60;
    var urlExpected = 'proxied/api/v1/query_range?query=' +
                      encodeURIComponent('test{job="testjob"}') +
                      '&start=' + start + '&end=' + end + '&step=' + step;
    var query = {
      range: { from: moment(1443438674760), to: moment(1443460274760) },
      targets: [{ expr: 'test{job="testjob"}' }],
      interval: '60s'
    };
    var response = {
      status: "success",
      data: {
        resultType: "matrix",
        result: [
          {
            metric: {"__name__": "test", job: "testjob", series: 'series 1'},
            values: [
              [start + step * 1, "3846"],
              [start + step * 3, "3847"],
              [end - step * 1, "3848"],
            ]
          },
          {
            metric: {"__name__": "test", job: "testjob", series: 'series 2'},
            values: [
              [start + step * 2, "4846"]
            ]
          },
        ]
      }
    };
    beforeEach(function() {
      ctx.$httpBackend.expect('GET', urlExpected).respond(response);
      ctx.ds.query(query).then(function(data) { results = data; });
      ctx.$httpBackend.flush();
    });
    it('should be same length', function() {
      expect(results.data.length).to.be(2);
      expect(results.data[0].datapoints.length).to.be((end - start) / step + 1);
      expect(results.data[1].datapoints.length).to.be((end - start) / step + 1);
    });
    it('should fill null until first datapoint in response', function() {
      expect(results.data[0].datapoints[0][1]).to.be(start * 1000);
      expect(results.data[0].datapoints[0][0]).to.be(null);
      expect(results.data[0].datapoints[1][1]).to.be((start + step * 1) * 1000);
      expect(results.data[0].datapoints[1][0]).to.be(3846);
    });
    it('should fill null after last datapoint in response', function() {
      var length = (end - start) / step + 1;
      expect(results.data[0].datapoints[length-2][1]).to.be((end - step * 1) * 1000);
//.........这里部分代码省略.........

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

  beforeEach(angularMocks.module('grafana.core'));
  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)'
        },
        {
          Average: 2,
          Timestamp: 'Wed Dec 31 1969 16:05:00 GMT-0800 (PST)'
        },
        {
          Average: 5,
          Timestamp: 'Wed Dec 31 1969 16:20:00 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(() => {
//.........这里部分代码省略.........

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(
    angularMocks.module(function($compileProvider) {
      $compileProvider.preAssignBindingsEnabled(true);
    })
  );

  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 = $injector.get('variableSrv');
      ctx.$rootScope.$digest();
    })
  );

  function describeInitScenario(desc, fn) {
    describe(desc, function() {
      var scenario: any = {
        urlParams: {},
        setup: setupFn => {
          scenario.setupFn = setupFn;
        },
      };

      beforeEach(function() {
        scenario.setupFn();
        ctx.datasource = {};
        ctx.datasource.metricFindQuery = sinon.stub().returns(ctx.$q.when(scenario.queryResult));

        ctx.datasourceSrv.get = sinon.stub().returns(ctx.$q.when(ctx.datasource));
        ctx.datasourceSrv.getMetricSources = sinon.stub().returns(scenario.metricSources);

        ctx.$location.search = sinon.stub().returns(scenario.urlParams);
        ctx.dashboard = {
          templating: { list: scenario.variables },
          events: new Emitter(),
        };

        ctx.variableSrv.init(ctx.dashboard);
        ctx.$rootScope.$digest();

        scenario.variables = ctx.variableSrv.variables;
      });

      fn(scenario);
    });
  }

  ['query', 'interval', 'custom', 'datasource'].forEach(type => {
    describeInitScenario('when setting ' + type + ' variable via url', scenario => {
      scenario.setup(() => {
        scenario.variables = [
          {
            name: 'apps',
            type: type,
            current: { text: 'test', value: 'test' },
            options: [{ text: 'test', value: 'test' }],
          },
        ];
        scenario.urlParams['var-apps'] = 'new';
        scenario.metricSources = [];
      });

      it('should update current value', () => {
        expect(scenario.variables[0].current.value).to.be('new');
        expect(scenario.variables[0].current.text).to.be('new');
      });
    });
  });

  describe('given dependent variables', () => {
    var variableList = [
      {
        name: 'app',
        type: 'query',
        query: '',
        current: { text: 'app1', value: 'app1' },
        options: [{ text: 'app1', value: 'app1' }],
      },
      {
        name: 'server',
        type: 'query',
        refresh: 1,
        query: '$app.*',
        current: { text: 'server1', value: 'server1' },
        options: [{ text: 'server1', value: 'server1' }],
      },
    ];

    describeInitScenario('when setting parent var from url', scenario => {
      scenario.setup(() => {
        scenario.variables = _.cloneDeep(variableList);
//.........这里部分代码省略.........

describe('OpenfalconQueryCtrl', 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(angularMocks.inject(($rootScope, $controller, $q) => {
    ctx.$q = $q;
    ctx.scope = $rootScope.$new();
    ctx.target = {target: 'aliasByNode(scaleToSeconds(test.prod.*,1),2)'};
    ctx.datasource.metricFindQuery = sinon.stub().returns(ctx.$q.when([]));
    ctx.panelCtrl = {panel: {}};
    ctx.panelCtrl.refresh = sinon.spy();

    ctx.ctrl = $controller(OpenfalconQueryCtrl, {$scope: ctx.scope}, {
      panelCtrl: ctx.panelCtrl,
      datasource: ctx.datasource,
      target: ctx.target
    });
    ctx.scope.$digest();
  }));

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

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

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

  describe('when adding function', function() {
    beforeEach(function() {
      ctx.ctrl.target.target = 'test.prod.*.count';
      ctx.ctrl.datasource.metricFindQuery = sinon.stub().returns(ctx.$q.when([{expandable: false}]));
      ctx.ctrl.parseTarget();
      ctx.ctrl.addFunction(gfunc.getFuncDef('aliasByNode'));
    });

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

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

    it('should call refresh', function() {
      expect(ctx.panelCtrl.refresh.called).to.be(true);
    });
  });

  describe('when adding function before any metric segment', function() {
    beforeEach(function() {
      ctx.ctrl.target.target = '';
      ctx.ctrl.datasource.metricFindQuery.returns(ctx.$q.when([{expandable: true}]));
      ctx.ctrl.parseTarget();
      ctx.ctrl.addFunction(gfunc.getFuncDef('asPercent'));
    });

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

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

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

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

  describe('when initializing a target with single param func using variable', function() {
    beforeEach(function() {
      ctx.ctrl.target.target = 'movingAverage(prod.count, $var)';
      ctx.ctrl.datasource.metricFindQuery.returns(ctx.$q.when([]));
      ctx.ctrl.parseTarget();
    });

    it('should add 2 segments', function() {
      expect(ctx.ctrl.segments.length).to.be(2);
    });

//.........这里部分代码省略.........

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

  beforeEach(angularMocks.module('grafana.core'));
  beforeEach(angularMocks.module('grafana.services'));
  beforeEach(ctx.providePhase(['templateSrv']));
  beforeEach(ctx.createService('InfluxDatasource_08'));
  beforeEach(function() {
    ctx.ds = new ctx.service({ url: '', user: 'test', password: 'mupp' });
  });

  describe('When querying influxdb with one target using query editor target spec', function() {
    var results;
    var urlExpected = "/series?p=mupp&q=select+mean(value)+from+%22test%22+where+time+%3E+now()-1h+group+by+time(1s)+order+asc";
    var query = {
      rangeRaw: { from: 'now-1h', to: 'now' },
      targets: [{ series: 'test', column: 'value', function: 'mean' }],
      interval: '1s'
    };

    var response = [{
      columns: ["time", "sequence_nr", "value"],
      name: 'test',
      points: [[10, 1, 1]],
    }];

    beforeEach(function() {
      ctx.$httpBackend.expect('GET', urlExpected).respond(response);
      ctx.ds.query(query).then(function(data) { results = data; });
      ctx.$httpBackend.flush();
    });

    it('should generate the correct query', function() {
      ctx.$httpBackend.verifyNoOutstandingExpectation();
    });

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

  });

  describe('When querying influxdb with one raw query', function() {
    var results;
    var urlExpected = "/series?p=mupp&q=select+value+from+series+where+time+%3E+now()-1h";
    var query = {
      rangeRaw: { from: 'now-1h', to: 'now' },
      targets: [{ query: "select value from series where $timeFilter", rawQuery: true }]
    };

    var response = [];

    beforeEach(function() {
      ctx.$httpBackend.expect('GET', urlExpected).respond(response);
      ctx.ds.query(query).then(function(data) { results = data; });
      ctx.$httpBackend.flush();
    });

    it('should generate the correct query', function() {
      ctx.$httpBackend.verifyNoOutstandingExpectation();
    });

  });

  describe('When issuing annotation query', function() {
    var results;
    var urlExpected = "/series?p=mupp&q=select+title+from+events.backend_01+where+time+%3E+now()-1h";

    var range = { from: 'now-1h', to: 'now' };
    var annotation = { query: 'select title from events.$server where $timeFilter' };
    var response = [];

    beforeEach(function() {
      ctx.templateSrv.replace = function(str) {
        return str.replace('$server', 'backend_01');
      };
      ctx.$httpBackend.expect('GET', urlExpected).respond(response);
      ctx.ds.annotationQuery({annotation: annotation, rangeRaw: range}).then(function(data) { results = data; });
      ctx.$httpBackend.flush();
    });

    it('should generate the correct query', function() {
      ctx.$httpBackend.verifyNoOutstandingExpectation();
    });

  });

});

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

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

  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 querying prometheus with one target using query editor target spec', function() {
    var results;
    var urlExpected = 'proxied/api/v1/query_range?query=' +
                      encodeURIComponent('test{job="testjob"}') +
                      '&start=1443438675&end=1443460275&step=60';
    var query = {
      range: { from: moment(1443438674760), to: moment(1443460274760) },
      targets: [{ expr: 'test{job="testjob"}' }],
      interval: '60s'
    };
    var response = {
      status: "success",
      data: {
        resultType: "matrix",
        result: [{
          metric: {"__name__": "test", job: "testjob"},
          values: [[1443454528, "3846"]]
        }]
      }
    };
    beforeEach(function() {
      ctx.$httpBackend.expect('GET', urlExpected).respond(response);
      ctx.ds.query(query).then(function(data) { results = data; });
      ctx.$httpBackend.flush();
    });
    it('should generate the correct query', function() {
      ctx.$httpBackend.verifyNoOutstandingExpectation();
    });
    it('should return series list', function() {
      expect(results.data.length).to.be(1);
      expect(results.data[0].target).to.be('test{job="testjob"}');
    });
  });
  describe('When querying prometheus with one target which return multiple series', function() {
    var results;
    var start = 1443438675;
    var end = 1443460275;
    var step = 60;
    var urlExpected = 'proxied/api/v1/query_range?query=' +
                      encodeURIComponent('test{job="testjob"}') +
                      '&start=' + start + '&end=' + end + '&step=' + step;
    var query = {
      range: { from: moment(1443438674760), to: moment(1443460274760) },
      targets: [{ expr: 'test{job="testjob"}' }],
      interval: '60s'
    };
    var response = {
      status: "success",
      data: {
        resultType: "matrix",
        result: [
          {
            metric: {"__name__": "test", job: "testjob", series: 'series 1'},
            values: [
              [start + step * 1, "3846"],
              [start + step * 3, "3847"],
              [end - step * 1, "3848"],
            ]
          },
          {
            metric: {"__name__": "test", job: "testjob", series: 'series 2'},
            values: [
              [start + step * 2, "4846"]
            ]
          },
        ]
      }
    };
    beforeEach(function() {
      ctx.$httpBackend.expect('GET', urlExpected).respond(response);
      ctx.ds.query(query).then(function(data) { results = data; });
      ctx.$httpBackend.flush();
    });
    it('should be same length', function() {
      expect(results.data.length).to.be(2);
      expect(results.data[0].datapoints.length).to.be((end - start) / step + 1);
      expect(results.data[1].datapoints.length).to.be((end - start) / step + 1);
    });
    it('should fill null until first datapoint in response', function() {
      expect(results.data[0].datapoints[0][1]).to.be(start * 1000);
      expect(results.data[0].datapoints[0][0]).to.be(null);
      expect(results.data[0].datapoints[1][1]).to.be((start + step * 1) * 1000);
      expect(results.data[0].datapoints[1][0]).to.be(3846);
    });
//.........这里部分代码省略.........