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describe('c3 chart tooltip', function () {
'use strict';
var chart;
var tooltipConfiguration;
var args = function () {
return {
data: {
columns: [
['data1', 30, 200, 100, 400, 150, 250],
['data2', 50, 20, 10, 40, 15, 25],
['data3', 150, 120, 110, 140, 115, 125]
],
},
tooltip: tooltipConfiguration
};
};
beforeEach(function (done) {
chart = window.initChart(chart, args(), done);
});
describe('tooltip position', function () {
beforeAll(function () {
tooltipConfiguration = {};
});
describe('without left margin', function () {
it('should show tooltip on proper position', function () {
var eventRect = d3.select('.c3-event-rect-2').node();
window.setMouseEvent(chart, 'mousemove', 100, 100, eventRect);
var tooltipContainer = d3.select('.c3-tooltip-container'),
top = Math.floor(+tooltipContainer.style('top').replace(/px/, '')),
left = Math.floor(+tooltipContainer.style('left').replace(/px/, '')),
topExpected = 115,
leftExpected = 280;
expect(top).toBe(topExpected);
expect(left).toBeGreaterThan(leftExpected);
});
});
describe('with left margin', function () {
it('should set left margin', function () {
d3.select('#chart').style('margin-left', '300px');
expect(true).toBeTruthy();
});
it('should show tooltip on proper position', function () {
var eventRect = d3.select('.c3-event-rect-2').node();
window.setMouseEvent(chart, 'mousemove', 100, 100, eventRect);
var tooltipContainer = d3.select('.c3-tooltip-container'),
top = Math.floor(+tooltipContainer.style('top').replace(/px/, '')),
left = Math.floor(+tooltipContainer.style('left').replace(/px/, '')),
topExpected = 115,
leftExpected = 280;
expect(top).toBe(topExpected);
expect(left).toBeGreaterThan(leftExpected);
});
});
});
describe('tooltip positionFunction', function () {
var topExpected = 37, leftExpected = 79;
beforeAll(function () {
tooltipConfiguration = {
position: function (data, width, height, element) {
expect(data.length).toBe(args().data.columns.length);
expect(data[0]).toEqual(jasmine.objectContaining({
index: 2,
value: 100,
id: 'data1'
}));
expect(width).toBeGreaterThan(0);
expect(height).toBeGreaterThan(0);
expect(element).toBe(d3.select('.c3-event-rect-2').node());
return {top: topExpected, left: leftExpected};
}
};
});
it('should be set to the coordinate where the function returned', function () {
var eventRect = d3.select('.c3-event-rect-2').node();
window.setMouseEvent(chart, 'mousemove', 100, 100, eventRect);
var tooltipContainer = d3.select('.c3-tooltip-container'),
top = Math.floor(+tooltipContainer.style('top').replace(/px/, '')),
left = Math.floor(+tooltipContainer.style('left').replace(/px/, ''));
expect(top).toBe(topExpected);
expect(left).toBe(leftExpected);
});
});
});
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