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+describe('c3 chart axis', function () {
+ 'use strict';
+
+ var chart;
+
+ var args = {
+ data: {
+ columns: [
+ ['data1', 30, 200, 100, 400, 150, 250],
+ ['data2', 50, 20, 10, 40, 15, 25],
+ ['data3', 150, 120, 110, 140, 115, 125]
+ ]
+ },
+ axis: {
+ y: {
+ tick: {
+ values: null,
+ count: undefined
+ }
+ },
+ y2: {
+ tick: {
+ values: null,
+ count: undefined
+ }
+ }
+ }
+ };
+
+ beforeEach(function (done) {
+ chart = window.initChart(chart, args, done);
+ });
+
+ describe('axis.y.tick.count', function () {
+
+ it('should update args to have only 1 tick on y axis', function () {
+ args.axis.y.tick.count = 1;
+ expect(true).toBeTruthy();
+ });
+
+ it('should have only 1 tick on y axis', function () {
+ var ticksSize = d3.select('.c3-axis-y').selectAll('g.tick').size();
+ expect(ticksSize).toBe(1);
+ });
+
+ it('should update args to have 2 ticks on y axis', function () {
+ args.axis.y.tick.count = 2;
+ expect(true).toBeTruthy();
+ });
+
+ it('should have 2 ticks on y axis', function () {
+ var ticksSize = d3.select('.c3-axis-y').selectAll('g.tick').size();
+ expect(ticksSize).toBe(2);
+ });
+
+ it('should update args to have 3 ticks on y axis', function () {
+ args.axis.y.tick.count = 3;
+ expect(true).toBeTruthy();
+ });
+
+ it('should have 3 ticks on y axis', function () {
+ var ticksSize = d3.select('.c3-axis-y').selectAll('g.tick').size();
+ expect(ticksSize).toBe(3);
+ });
+
+ });
+
+ describe('axis.y.tick.values', function () {
+
+ var values = [100, 500];
+
+ it('should update args to have only 2 ticks on y axis', function () {
+ args.axis.y.tick.values = values;
+ expect(true).toBeTruthy();
+ });
+
+ it('should have only 2 tick on y axis', function () {
+ var ticksSize = d3.select('.c3-axis-y').selectAll('g.tick').size();
+ expect(ticksSize).toBe(2);
+ });
+
+ it('should have specified tick texts', function () {
+ d3.select('.c3-axis-y').selectAll('g.tick').each(function (d, i) {
+ var text = d3.select(this).select('text').text();
+ expect(+text).toBe(values[i]);
+ });
+ });
+
+ });
+
+ describe('axis y timeseries', function () {
+
+ it('should update args', function () {
+ args = {
+ data: {
+ columns: [
+ ["times", 60000, 120000, 180000, 240000]
+ ]
+ },
+ axis: {
+ y: {
+ type : 'timeseries',
+ tick: {
+ time: {
+ }
+ }
+ }
+ }
+ };
+ expect(true).toBeTruthy();
+ });
+
+ it('should have 7 ticks on y axis', function () {
+ var ticksSize = d3.select('.c3-axis-y').selectAll('g.tick').size();
+ expect(ticksSize).toBe(7); // the count starts at initial value and increments by the set interval
+ });
+
+ it('should have specified 30 second intervals', function () {
+ var prevValue;
+ d3.select('.c3-axis-y').selectAll('g.tick').each(function (d, i) {
+ if (i !== 0) {
+ var result = d - prevValue;
+ expect(result).toEqual(30000); // expressed in milliseconds
+ }
+ prevValue = d;
+ });
+ });
+
+ it('should update args to set axis.y.time', function () {
+ args.axis.y.tick.time = {
+ value : 'seconds',
+ interval : 60
+ };
+ expect(true).toBeTruthy();
+ });
+
+ it('should have 4 ticks on y axis', function () {
+ var ticksSize = d3.select('.c3-axis-y').selectAll('g.tick').size();
+ expect(ticksSize).toBe(4); // the count starts at initial value and increments by the set interval
+ });
+
+ it('should have specified 60 second intervals', function () {
+ var prevValue;
+ d3.select('.c3-axis-y').selectAll('g.tick').each(function (d, i) {
+ if (i !== 0) {
+ var result = d - prevValue;
+ expect(result).toEqual(60000); // expressed in milliseconds
+ }
+ prevValue = d;
+ });
+ });
+ });
+
+ describe('axis.x.tick.width', function () {
+
+ describe('indexed x axis and y/y2 axis', function () {
+
+ describe('not rotated', function () {
+
+ it('should update args successfully', function () {
+ args = {
+ data: {
+ columns: [
+ ['data1', 30, 200, 100, 400, 150, 250],
+ ['data2', 50, 20, 10, 40, 15, 25]
+ ],
+ axes: {
+ data2: 'y2'
+ }
+ },
+ axis: {
+ y2: {
+ show: true
+ }
+ }
+ };
+ expect(true).toBeTruthy();
+ });
+
+ it('should construct indexed x axis properly', function () {
+ var ticks = chart.internal.main.select('.c3-axis-x').selectAll('g.tick'),
+ expectedX = '0',
+ expectedDy = '.71em';
+ expect(ticks.size()).toBe(6);
+ ticks.each(function (d, i) {
+ var tspans = d3.select(this).selectAll('tspan');
+ expect(tspans.size()).toBe(1);
+ tspans.each(function () {
+ var tspan = d3.select(this);
+ expect(tspan.text()).toBe(i + '');
+ expect(tspan.attr('x')).toBe(expectedX);
+ expect(tspan.attr('dy')).toBe(expectedDy);
+ });
+ });
+ });
+
+ it('should set axis.x.tick.format', function () {
+ args.axis.x = {
+ tick: {
+ format: function () {
+ return 'very long tick text on x axis';
+ }
+ }
+ };
+ expect(true).toBeTruthy();
+ });
+
+ it('should split x axis tick text to multiple lines', function () {
+ var ticks = chart.internal.main.select('.c3-axis-x').selectAll('g.tick'),
+ expectedTexts = ['very long tick text', 'on x axis'],
+ expectedX = '0';
+ expect(ticks.size()).toBe(6);
+ ticks.each(function () {
+ var tspans = d3.select(this).selectAll('tspan');
+ expect(tspans.size()).toBe(2);
+ tspans.each(function (d, i) {
+ var tspan = d3.select(this);
+ expect(tspan.text()).toBe(expectedTexts[i]);
+ expect(tspan.attr('x')).toBe(expectedX);
+ if (i === 0) {
+ expect(tspan.attr('dy')).toBe('.71em');
+ } else {
+ expect(tspan.attr('dy')).toBeGreaterThan(8);
+ }
+ });
+ });
+ });
+
+ it('should construct y axis properly', function () {
+ var ticks = chart.internal.main.select('.c3-axis-y').selectAll('g.tick'),
+ expectedX = '-9',
+ expectedDy = '3';
+ expect(ticks.size()).toBe(9);
+ ticks.each(function (d) {
+ var tspans = d3.select(this).selectAll('tspan');
+ expect(tspans.size()).toBe(1);
+ tspans.each(function () {
+ var tspan = d3.select(this);
+ expect(tspan.text()).toBe(d + '');
+ expect(tspan.attr('x')).toBe(expectedX);
+ expect(tspan.attr('dy')).toBe(expectedDy);
+ });
+ });
+ });
+
+ it('should construct y2 axis properly', function () {
+ var ticks = chart.internal.main.select('.c3-axis-y2').selectAll('g.tick'),
+ expectedX = '9',
+ expectedDy = '3';
+ expect(ticks.size()).toBe(9);
+ ticks.each(function (d) {
+ var tspans = d3.select(this).selectAll('tspan');
+ expect(tspans.size()).toBe(1);
+ tspans.each(function () {
+ var tspan = d3.select(this);
+ expect(tspan.text()).toBe(d + '');
+ expect(tspan.attr('x')).toBe(expectedX);
+ expect(tspan.attr('dy')).toBe(expectedDy);
+ });
+ });
+ });
+
+ it('should set big values in y', function () {
+ args.data.columns = [
+ ['data1', 3000000000000000, 200, 100, 400, 150, 250],
+ ['data2', 50, 20, 10, 40, 15, 25]
+ ];
+ expect(true).toBeTruthy();
+ });
+
+ it('should not split y axis tick text to multiple lines', function () {
+ var ticks = chart.internal.main.select('.c3-axis-y2').selectAll('g.tick');
+ ticks.each(function () {
+ var tspans = d3.select(this).selectAll('tspan');
+ expect(tspans.size()).toBe(1);
+ });
+ });
+
+ });
+
+ describe('rotated', function () {
+
+ it('should update args to rotate axis', function () {
+ args.axis.rotated = true;
+ expect(true).toBeTruthy();
+ });
+
+ it('should split x axis tick text to multiple lines', function () {
+ var ticks = chart.internal.main.select('.c3-axis-x').selectAll('g.tick'),
+ expectedTexts = ['very long tick', 'text on x axis'],
+ expectedX = '-9';
+ expect(ticks.size()).toBe(6);
+ ticks.each(function () {
+ var tspans = d3.select(this).selectAll('tspan');
+ expect(tspans.size()).toBe(2);
+ tspans.each(function (d, i) {
+ var tspan = d3.select(this);
+ expect(tspan.text()).toBe(expectedTexts[i]);
+ expect(tspan.attr('x')).toBe(expectedX);
+ if (i === 0) {
+ expect(tspan.attr('dy')).toBeLessThan(0);
+ } else {
+ expect(tspan.attr('dy')).toBeGreaterThan(9);
+ }
+ });
+ });
+ });
+
+ it('should not split y axis tick text to multiple lines', function () {
+ var ticks = chart.internal.main.select('.c3-axis-y').selectAll('g.tick'),
+ expectedTexts = [
+ '0',
+ '500000000000000',
+ '1000000000000000',
+ '1500000000000000',
+ '2000000000000000',
+ '2500000000000000',
+ '3000000000000000'
+ ],
+ expectedX = '0',
+ expectedDy = '.71em';
+ expect(ticks.size()).toBe(7);
+ ticks.each(function (d, i) {
+ var tspans = d3.select(this).selectAll('tspan');
+ expect(tspans.size()).toBe(1);
+ tspans.each(function () {
+ var tspan = d3.select(this);
+ expect(tspan.text()).toBe(expectedTexts[i]);
+ expect(tspan.attr('x')).toBe(expectedX);
+ expect(tspan.attr('dy')).toBe(expectedDy);
+ });
+ });
+ });
+
+ });
+ });
+
+ describe('category axis', function () {
+
+ describe('not rotated', function () {
+
+ it('should update args successfully', function () {
+ args = {
+ data: {
+ x: 'x',
+ columns: [
+ ['x', 'this is a very long tick text on category axis', 'cat1', 'cat2', 'cat3', 'cat4', 'cat5'],
+ ['data1', 30, 200, 100, 400, 150, 250],
+ ['data2', 50, 20, 10, 40, 15, 25]
+ ]
+ },
+ axis: {
+ x: {
+ type: 'category'
+ }
+ }
+ };
+ expect(true).toBeTruthy();
+ });
+
+ it('should locate ticks properly', function () {
+ var ticks = chart.internal.main.select('.c3-axis-x').selectAll('g.tick');
+ ticks.each(function (d, i) {
+ var tspans = d3.select(this).selectAll('tspan'),
+ expectedX = '0',
+ expectedDy = '.71em';
+ if (i > 0) { // i === 0 should be checked in next test
+ expect(tspans.size()).toBe(1);
+ tspans.each(function () {
+ var tspan = d3.select(this);
+ expect(tspan.attr('x')).toBe(expectedX);
+ expect(tspan.attr('dy')).toBe(expectedDy);
+ });
+ }
+ });
+ });
+
+ it('should split tick text properly', function () {
+ var tick = chart.internal.main.select('.c3-axis-x').select('g.tick'),
+ tspans = tick.selectAll('tspan'),
+ expectedTickTexts = [
+ 'this is a very',
+ 'long tick text',
+ 'on category axis'
+ ],
+ expectedX = '0';
+ expect(tspans.size()).toBe(3);
+ tspans.each(function (d, i) {
+ var tspan = d3.select(this);
+ expect(tspan.text()).toBe(expectedTickTexts[i]);
+ expect(tspan.attr('x')).toBe(expectedX);
+ // unable to define pricise number because it differs depends on environment..
+ if (i === 0) {
+ expect(tspan.attr('dy')).toBe('.71em');
+ } else {
+ expect(tspan.attr('dy')).toBeGreaterThan(8);
+ }
+ });
+ });
+ });
+
+ describe('rotated', function () {
+
+ it('should update args to rotate axis', function () {
+ args.axis.rotated = true;
+ expect(true).toBeTruthy();
+ });
+
+ it('should locate ticks on rotated axis properly', function () {
+ var ticks = chart.internal.main.select('.c3-axis-x').selectAll('g.tick');
+ ticks.each(function (d, i) {
+ var tspans = d3.select(this).selectAll('tspan'),
+ expectedX = '-9',
+ expectedDy = '3';
+ if (i > 0) { // i === 0 should be checked in next test
+ expect(tspans.size()).toBe(1);
+ tspans.each(function () {
+ var tspan = d3.select(this);
+ expect(tspan.attr('x')).toBe(expectedX);
+ expect(tspan.attr('dy')).toBe(expectedDy);
+ });
+ }
+ });
+ });
+
+ it('should split tick text on rotated axis properly', function () {
+ var tick = chart.internal.main.select('.c3-axis-x').select('g.tick'),
+ tspans = tick.selectAll('tspan'),
+ expectedTickTexts = [
+ 'this is a very',
+ 'long tick text on',
+ 'category axis'
+ ],
+ expectedX = '-9';
+ expect(tspans.size()).toBe(3);
+ tspans.each(function (d, i) {
+ var tspan = d3.select(this);
+ expect(tspan.text()).toBe(expectedTickTexts[i]);
+ expect(tspan.attr('x')).toBe(expectedX);
+ // unable to define pricise number because it differs depends on environment..
+ if (i === 0) {
+ expect(tspan.attr('dy')).toBeLessThan(0);
+ } else {
+ expect(tspan.attr('dy')).toBeGreaterThan(8);
+ }
+ });
+ });
+
+ });
+
+ describe('option used', function () {
+
+ describe('as null', function () {
+
+ it('should update args not to split ticks', function () {
+ args.axis.x.tick = {
+ multiline: false
+ };
+ expect(true).toBeTruthy();
+ });
+
+ it('should split x tick', function () {
+ var tick = chart.internal.main.select('.c3-axis-x').select('g.tick'),
+ tspans = tick.selectAll('tspan');
+ expect(tspans.size()).toBe(1);
+ });
+
+ });
+
+ describe('as value', function () {
+
+ it('should update args not to split ticks', function () {
+ args.axis.x.tick = {
+ width: 150
+ };
+ expect(true).toBeTruthy();
+ });
+
+ it('should split x tick to 2 lines properly', function () {
+ var tick = chart.internal.main.select('.c3-axis-x').select('g.tick'),
+ tspans = tick.selectAll('tspan'),
+ expectedTickTexts = [
+ 'this is a very long tick',
+ 'text on category axis'
+ ],
+ expectedX = '-9';
+ expect(tspans.size()).toBe(2);
+ tspans.each(function (d, i) {
+ var tspan = d3.select(this);
+ expect(tspan.text()).toBe(expectedTickTexts[i]);
+ expect(tspan.attr('x')).toBe(expectedX);
+ // unable to define pricise number because it differs depends on environment..
+ if (i === 0) {
+ expect(tspan.attr('dy')).toBeLessThan(0);
+ } else {
+ expect(tspan.attr('dy')).toBeGreaterThan(8);
+ }
+ });
+ });
+ });
+ });
+ });
+
+ describe('with axis.x.tick.format', function () {
+
+ it('should update args to use axis.x.tick.format', function () {
+ args.axis.x.tick.format = function () {
+ return ['this is a very long tick text', 'on category axis'];
+ };
+ expect(true).toBeTruthy();
+ });
+
+ it('should have multiline tick text', function () {
+ var tick = chart.internal.main.select('.c3-axis-x').select('g.tick'),
+ tspans = tick.selectAll('tspan'),
+ expectedTickTexts = ['this is a very long tick text', 'on category axis'];
+ expect(tspans.size()).toBe(2);
+ tspans.each(function (d, i) {
+ var tspan = d3.select(this);
+ expect(tspan.text()).toBe(expectedTickTexts[i]);
+ });
+ });
+
+ });
+ });
+
+ describe('axis.x.tick.rotate', function () {
+
+ describe('not rotated', function () {
+
+ it('should update args successfully', function () {
+ args = {
+ data: {
+ x: 'x',
+ columns: [
+ ['x', 'category 1', 'category 2', 'category 3', 'category 4', 'category 5', 'category 6'],
+ ['data1', 30, 200, 100, 400, 150, 250],
+ ['data2', 50, 20, 10, 40, 15, 25]
+ ]
+ },
+ axis: {
+ x: {
+ type: 'category',
+ tick: {
+ rotate: 60
+ }
+ }
+ }
+ };
+ expect(true).toBeTruthy();
+ });
+
+ it('should rotate tick texts', function () {
+ chart.internal.main.selectAll('.c3-axis-x g.tick').each(function () {
+ var tick = d3.select(this),
+ text = tick.select('text'),
+ tspan = text.select('tspan');
+ expect(text.attr('transform')).toBe('rotate(60)');
+ expect(text.attr('y')).toBe('1.5');
+ expect(tspan.attr('dx')).toBe('6.928203230275509');
+ });
+ });
+
+ it('should have automatically calculated x axis height', function () {
+ var box = chart.internal.main.select('.c3-axis-x').node().getBoundingClientRect(),
+ height = chart.internal.getHorizontalAxisHeight('x');
+ expect(box.height).toBeGreaterThan(50);
+ expect(height).toBeCloseTo(70, -1);
+ });
+
+ });
+ });
+
+ describe('axis.x.tick.fit', function () {
+
+ describe('axis.x.tick.fit = true', function () {
+
+ it('should set args for indexed data', function () {
+ args = {
+ data: {
+ columns: [
+ ['data1', 30, 200, 100, 400, 150, 250],
+ ['data2', 50, 20, 10, 40, 15, 25],
+ ['data3', 150, 120, 110, 140, 115, 125]
+ ]
+ }
+ };
+ expect(true).toBeTruthy();
+ });
+
+ it('should show fitted ticks on indexed data', function () {
+ var ticks = chart.internal.main.selectAll('.c3-axis-x g.tick');
+ expect(ticks.size()).toBe(6);
+ });
+
+ it('should set args for x-based data', function () {
+ args = {
+ data: {
+ x: 'x',
+ columns: [
+ ['x', 10, 20, 100, 110, 200, 1000],
+ ['data1', 30, 200, 100, 400, 150, 250],
+ ['data2', 50, 20, 10, 40, 15, 25],
+ ['data3', 150, 120, 110, 140, 115, 125]
+ ]
+ }
+ };
+ expect(true).toBeTruthy();
+ });
+
+ it('should show fitted ticks on indexed data', function () {
+ var ticks = chart.internal.main.selectAll('.c3-axis-x g.tick');
+ expect(ticks.size()).toBe(6);
+ });
+
+ it('should show fitted ticks after hide and show', function () {
+ chart.hide();
+ chart.show();
+ var ticks = chart.internal.main.selectAll('.c3-axis-x g.tick');
+ expect(ticks.size()).toBe(6);
+ });
+
+ });
+
+ describe('axis.x.tick.fit = false', function () {
+
+ it('should set args for indexed data', function () {
+ args = {
+ data: {
+ columns: [
+ ['data1', 30, 200, 100, 400, 150, 250],
+ ['data2', 50, 20, 10, 40, 15, 25],
+ ['data3', 150, 120, 110, 140, 115, 125]
+ ]
+ },
+ axis: {
+ x: {
+ tick: {
+ fit: false
+ }
+ }
+ }
+ };
+ expect(true).toBeTruthy();
+ });
+
+ it('should show fitted ticks on indexed data', function () {
+ var ticks = chart.internal.main.selectAll('.c3-axis-x g.tick');
+ expect(ticks.size()).toBe(11);
+ });
+
+ it('should set args for x-based data', function () {
+ args.data = {
+ x: 'x',
+ columns: [
+ ['x', 10, 20, 100, 110, 200, 1000],
+ ['data1', 30, 200, 100, 400, 150, 250],
+ ['data2', 50, 20, 10, 40, 15, 25],
+ ['data3', 150, 120, 110, 140, 115, 125]
+ ]
+ };
+ expect(true).toBeTruthy();
+ });
+
+ it('should show fitted ticks on indexed data', function () {
+ var ticks = chart.internal.main.selectAll('.c3-axis-x g.tick');
+ expect(ticks.size()).toBe(10);
+ });
+
+ it('should show fitted ticks after hide and show', function () {
+ chart.hide();
+ chart.show();
+ var ticks = chart.internal.main.selectAll('.c3-axis-x g.tick');
+ expect(ticks.size()).toBe(10);
+ });
+
+ });
+ });
+
+ describe('axis.y.inner', function () {
+
+ it('should update args', function () {
+ args = {
+ data: {
+ columns: [
+ ['data1', 30, 200, 100, 400, 150, 250],
+ ['data2', 50, 20, 10, 40, 15, 25]
+ ]
+ },
+ axis: {
+ y: {
+ inner: false
+ }
+ }
+ };
+ expect(true).toBeTruthy();
+ });
+
+ it('should not have inner y axis', function () {
+ var paddingLeft = chart.internal.getCurrentPaddingLeft(),
+ tickTexts = chart.internal.main.selectAll('.c3-axis-y g.tick text');
+ expect(paddingLeft).toBeGreaterThan(19);
+ tickTexts.each(function () {
+ expect(+d3.select(this).attr('x')).toBeLessThan(0);
+ });
+ });
+
+ it('should update args to have inner y axis', function () {
+ args.axis.y.inner = true;
+ expect(true).toBeTruthy();
+ });
+
+ it('should have inner y axis', function () {
+ var paddingLeft = chart.internal.getCurrentPaddingLeft(),
+ tickTexts = chart.internal.main.selectAll('.c3-axis-y g.tick text');
+ expect(paddingLeft).toBe(1);
+ tickTexts.each(function () {
+ expect(+d3.select(this).attr('x')).toBeGreaterThan(0);
+ });
+ });
+
+ });
+
+ describe('axis.y2.inner', function () {
+
+ it('should update args', function () {
+ args = {
+ data: {
+ columns: [
+ ['data1', 30, 200, 100, 400, 150, 250],
+ ['data2', 50, 20, 10, 40, 15, 25]
+ ]
+ },
+ axis: {
+ y2: {
+ show: true,
+ inner: false
+ }
+ }
+ };
+ expect(true).toBeTruthy();
+ });
+
+ it('should not have inner y axis', function () {
+ var paddingRight = chart.internal.getCurrentPaddingRight(),
+ tickTexts = chart.internal.main.selectAll('.c3-axis-2y g.tick text');
+ expect(paddingRight).toBeGreaterThan(19);
+ tickTexts.each(function () {
+ expect(+d3.select(this).attr('x')).toBeGreaterThan(0);
+ });
+ });
+
+ it('should update args to have inner y axis', function () {
+ args.axis.y2.inner = true;
+ expect(true).toBeTruthy();
+ });
+
+ it('should have inner y axis', function () {
+ var paddingRight = chart.internal.getCurrentPaddingRight(),
+ tickTexts = chart.internal.main.selectAll('.c3-axis-2y g.tick text');
+ expect(paddingRight).toBe(2);
+ tickTexts.each(function () {
+ expect(+d3.select(this).attr('x')).toBeLessThan(0);
+ });
+ });
+
+ });
+
+});
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-16 10:04:11 +0000