Initial commit

2020-06-13 18:34:34 +08:00
commit 52aaa9f15d
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+var _ = require('underscore');
+var HistogramDataModel = require('../../../../src/dataviews/histogram-dataview/histogram-data-model');
+
+describe('dataviews/histogram-data-model', function () {
+  var apiKey = 'ac3560ef-78f8-45d8-b043-5544f8a76753';
+  var url = 'https://carto.geo';
+  var defaultBins = 45;
+
+  function buildUrl (params) {
+    var urlParams = _.map(_.keys(params), function (key) {
+      return key + '=' + params[key];
+    });
+    return url + '?no_filters=1&' + urlParams.join('&');
+  }
+
+  beforeEach(function () {
+    this.model = new HistogramDataModel({
+      apiKey: apiKey,
+      url: url
+    });
+  });
+
+  it('defaults', function () {
+    expect(_.isArray(this.model.get('data'))).toBe(true);
+    expect(this.model.get('data').length).toBe(0);
+    expect(this.model.get('localTimezone')).toBe(false);
+    expect(this.model.get('localOffset')).toBe(0);
+    expect(this.model.get('hasBeenFetched')).toBe(false);
+  });
+
+  describe('._initBinds', function () {
+    beforeEach(function () {
+      spyOn(this.model, 'fetch');
+    });
+
+    afterEach(function () {
+      this.model.set({
+        url: url,
+        aggregation: undefined,
+        bins: defaultBins
+      }, { silent: true });
+    });
+
+    it('should call to fetch when the url changes', function () {
+      this.model.set('url', 'https://carto.geo/aa45');
+
+      expect(this.model.fetch).toHaveBeenCalled();
+    });
+
+    it('should call to fetch when the aggregation changes to a defined value in a date column', function () {
+      this.model.set('column_type', 'date', { silent: true });
+
+      this.model.set('aggregation', 'month');
+
+      expect(this.model.fetch).toHaveBeenCalled();
+    });
+
+    it('should not call to fetch when the aggregation changes to an undefined value in a date column', function () {
+      this.model.set('column_type', 'date', { silent: true });
+
+      this.model.set('aggregation', undefined);
+
+      expect(this.model.fetch).not.toHaveBeenCalled();
+    });
+
+    it('should call to fetch when the bins changes to a defined value in a number column', function () {
+      this.model.set('column_type', 'number', { silent: true });
+
+      this.model.set('bins', defaultBins + 1);
+
+      expect(this.model.fetch).toHaveBeenCalled();
+    });
+
+    it('should call to fetch when localTimezone changes', function () {
+      var originalValue = this.model.get('localTimezone');
+
+      this.model.set('localTimezone', !originalValue);
+
+      expect(this.model.fetch).toHaveBeenCalled();
+    });
+
+    it('should set `hasBeenFetched` to true when a sync event is triggered', function () {
+      this.model.set('hasBeenFetched', false, { silent: true });
+
+      this.model.trigger('sync');
+
+      expect(this.model.get('hasBeenFetched')).toBe(true);
+    });
+  });
+
+  describe('.url', function () {
+    it('should return no bins param if type is number and bins is undefined', function () {
+      this.model.set({ column_type: 'number' });
+
+      var url = this.model.url();
+
+      expect(url).toEqual(buildUrl({ api_key: apiKey }));
+    });
+
+    it('should return bins param if type is number and bins is defined', function () {
+      this.model.set({
+        column_type: 'number',
+        bins: 48
+      });
+
+      var url = this.model.url();
+
+      expect(url).toEqual(buildUrl({
+        bins: 48,
+        api_key: apiKey
+      }));
+    });
+
+    it('should return aggregation auto if type is date and aggregation is undefined', function () {
+      this.model.set({
+        column_type: 'date',
+        aggregation: undefined
+      });
+
+      var url = this.model.url();
+
+      expect(url).toEqual(buildUrl({
+        aggregation: 'auto',
+        api_key: apiKey
+      }));
+    });
+
+    it('should return aggregation if type is date and aggregation is defined', function () {
+      this.model.set({
+        column_type: 'date',
+        aggregation: 'minute'
+      });
+
+      var url = this.model.url();
+
+      expect(url).toEqual(buildUrl({
+        aggregation: 'minute',
+        api_key: apiKey
+      }));
+    });
+  });
+
+  describe('._getCurrentOffset', function () {
+    beforeEach(function () {
+      this.model.set({
+        offset: 7200,
+        localOffset: 43200
+      }, { silent: true });
+    });
+
+    it('should return offset if `localTimezone` is not set', function () {
+      this.model.set('localTimezone', false, { silent: true });
+
+      var offset = this.model._getCurrentOffset();
+
+      expect(offset).toBe(7200);
+    });
+
+    it('should return local offset if `localTimezone` is set', function () {
+      this.model.set('localTimezone', true, { silent: true });
+
+      var offset = this.model._getCurrentOffset();
+
+      expect(offset).toBe(43200);
+    });
+  });
+});