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-describe('c3 chart grid', function () {
- 'use strict';
-
- var chart, args;
-
- beforeEach(function (done) {
- chart = window.initChart(chart, args, done);
- });
-
- describe('y grid show', function () {
-
- it('should update args', function () {
- args = {
- data: {
- columns: [
- ['data1', 30, 200, 100, 400, 150, 250]
- ]
- },
- axis: {
- y: {
- tick: {
- }
- }
- },
- grid: {
- y: {
- show: false
- }
- }
- };
- expect(true).toBeTruthy();
- });
-
- it('should not show y grids', function () {
- expect(chart.internal.main.select('.c3-ygrids').size()).toBe(0);
- });
-
- it('should update args to show y grids', function () {
- args.grid.y.show = true;
- expect(true).toBeTruthy();
- });
-
- it('should show y grids', function () {
- var ygrids = chart.internal.main.select('.c3-ygrids');
- expect(ygrids.size()).toBe(1);
- expect(ygrids.selectAll('.c3-ygrid').size()).toBe(9);
- });
-
- it('should update args to show only 3 y grids', function () {
- args.grid.y.ticks = 3;
- expect(true).toBeTruthy();
- });
-
- it('should show only 3 y grids', function () {
- var ygrids = chart.internal.main.select('.c3-ygrids');
- expect(ygrids.size()).toBe(1);
- expect(ygrids.selectAll('.c3-ygrid').size()).toBe(3);
- });
-
- it('should update args to show y grids depending on y axis ticks', function () {
- args.axis.y.tick.count = 5;
- expect(true).toBeTruthy();
- });
-
- it('should show grids depending on y axis ticks', function () {
- var ygrids = chart.internal.main.select('.c3-ygrids'),
- expectedYs = [];
- ygrids.selectAll('.c3-ygrid').each(function (d, i) {
- expectedYs[i] = +d3.select(this).attr('y1');
- });
- expect(ygrids.size()).toBe(1);
- expect(ygrids.selectAll('.c3-ygrid').size()).toBe(5);
- chart.internal.main.select('.c3-axis-y').selectAll('.tick').each(function (d, i) {
- var t = d3.transform(d3.select(this).attr('transform'));
- expect(t.translate[1]).toBe(expectedYs[i]);
- });
- });
- });
-
- describe('y grid lines', function () {
-
- describe('position', function () {
-
- it('should update args', function () {
- args = {
- data: {
- columns: [
- ['data1', 10, 200, 100, 400, 150, 250]
- ]
- },
- grid: {
- y: {
- lines: [
- {value: 30, text: 'Lable 30', position: 'start'},
- {value: 145, text: 'Lable 145', position: 'middle'},
- {value: 225, text: 'Lable 225'}
- ]
- }
- }
- };
- expect(true).toBeTruthy();
- });
-
- it('should show 3 grid lines', function () {
- expect(chart.internal.main.selectAll('.c3-ygrid-lines .c3-ygrid-line').size()).toBe(3);
- });
-
- it('should locate grid lines properly', function () {
- var lines = chart.internal.main.selectAll('.c3-ygrid-lines .c3-ygrid-line'),
- expectedY1s = [373, 268, 196];
- lines.each(function (d, i) {
- var y1 = d3.select(this).select('line').attr('y1');
- expect(y1).toBeCloseTo(expectedY1s[i], -2);
- });
- });
-
- it('should locate grid texts properly', function () {
- var lines = chart.internal.main.selectAll('.c3-ygrid-lines .c3-ygrid-line'),
- expectedPositions = ['start', 'middle', 'end'],
- expectedDxs = [4, 0, -4];
- lines.each(function (d, i) {
- var text = d3.select(this).select('text'),
- textAnchor = text.attr('text-anchor'),
- dx = text.attr('dx');
- expect(textAnchor).toBe(expectedPositions[i]);
- expect(+dx).toBe(expectedDxs[i]);
- });
- });
-
- it('should update args', function () {
- args = {
- data: {
- columns: [
- ['data1', 10, 200, 100, 400, 150, 250]
- ]
- },
- axis: {
- rotated: true
- },
- grid: {
- y: {
- lines: [
- {value: 30, text: 'Lable 30', position: 'start'},
- {value: 145, text: 'Lable 145', position: 'middle'},
- {value: 225, text: 'Lable 225'}
- ]
- }
- }
- };
- expect(true).toBeTruthy();
- });
-
- it('should show 3 grid lines', function () {
- expect(chart.internal.main.selectAll('.c3-ygrid-lines .c3-ygrid-line').size()).toBe(3);
- });
-
- it('should locate grid lines properly', function () {
- var lines = chart.internal.main.selectAll('.c3-ygrid-lines .c3-ygrid-line'),
- expectedX1s = [75, 220, 321];
- lines.each(function (d, i) {
- var x1 = d3.select(this).select('line').attr('x1');
- expect(x1).toBeCloseTo(expectedX1s[i], -2);
- });
- });
-
- it('should locate grid texts properly', function () {
- var lines = chart.internal.main.selectAll('.c3-ygrid-lines .c3-ygrid-line'),
- expectedPositions = ['start', 'middle', 'end'],
- expectedDxs = [4, 0, -4];
- lines.each(function (d, i) {
- var text = d3.select(this).select('text'),
- textAnchor = text.attr('text-anchor'),
- dx = text.attr('dx');
- expect(textAnchor).toBe(expectedPositions[i]);
- expect(+dx).toBe(expectedDxs[i]);
- });
- });
-
- });
- });
-
- describe('x grid lines', function () {
-
- describe('position', function () {
-
- it('should have correct height', function () {
- args = {
- data: {
- columns: [
- ['data1', 30, 200, 100, 400],
- ]
- },
- grid: {
- x: {
- lines: [
- {value: 1, text: 'Label 1', position: 'start'},
- {value: 2, text: 'Label 2', position: 'middle'},
- {value: 3, text: 'Label 3'},
- ]
- }
- },
- };
- expect(true).toBeTruthy();
- });
-
- it('should show 3 grid lines', function () {
- expect(chart.internal.main.selectAll('.c3-xgrid-lines .c3-xgrid-line').size()).toBe(3);
- });
-
- it('should locate grid lines properly', function () {
- var lines = chart.internal.main.selectAll('.c3-xgrid-lines .c3-xgrid-line'),
- expectedX1s = [202, 397, 593];
- lines.each(function (d, i) {
- var x1 = d3.select(this).select('line').attr('x1');
- expect(x1).toBeCloseTo(expectedX1s[i], -2);
- });
- });
-
- it('should locate grid texts properly', function () {
- var lines = chart.internal.main.selectAll('.c3-xgrid-lines .c3-xgrid-line'),
- expectedPositions = ['start', 'middle', 'end'],
- expectedDxs = [4, 0, -4];
- lines.each(function (d, i) {
- var text = d3.select(this).select('text'),
- textAnchor = text.attr('text-anchor'),
- dx = text.attr('dx');
- expect(textAnchor).toBe(expectedPositions[i]);
- expect(+dx).toBe(expectedDxs[i]);
- });
- });
-
- it('should update args', function () {
- args = {
- data: {
- columns: [
- ['data1', 30, 200, 100, 400],
- ]
- },
- axis: {
- rotated: true
- },
- grid: {
- x: {
- lines: [
- {value: 1, text: 'Label 1', position: 'start'},
- {value: 2, text: 'Label 2', position: 'middle'},
- {value: 3, text: 'Label 3'},
- ]
- }
- },
- };
- expect(true).toBeTruthy();
- });
-
- it('should show 3 grid lines', function () {
- expect(chart.internal.main.selectAll('.c3-xgrid-lines .c3-xgrid-line').size()).toBe(3);
- });
-
- it('should locate grid lines properly', function () {
- var lines = chart.internal.main.selectAll('.c3-xgrid-lines .c3-xgrid-line'),
- expectedY1s = [144, 283, 421];
- lines.each(function (d, i) {
- var y1 = d3.select(this).select('line').attr('y1');
- expect(y1).toBeCloseTo(expectedY1s[i], -2);
- });
- });
-
- it('should locate grid texts properly', function () {
- var lines = chart.internal.main.selectAll('.c3-xgrid-lines .c3-xgrid-line'),
- expectedPositions = ['start', 'middle', 'end'],
- expectedDxs = [4, 0, -4];
- lines.each(function (d, i) {
- var text = d3.select(this).select('text'),
- textAnchor = text.attr('text-anchor'),
- dx = text.attr('dx');
- expect(textAnchor).toBe(expectedPositions[i]);
- expect(+dx).toBe(expectedDxs[i]);
- });
- });
-
- });
-
- describe('with padding.top', function () {
-
- it('should have correct height', function () {
- args = {
- data: {
- columns: [
- ['data1', 30, 200, 100, 400],
- ]
- },
- grid: {
- x: {
- lines: [
- {value: 3, text: 'Label 3'}
- ]
- }
- },
- padding: {
- top: 50
- }
- };
- expect(true).toBeTruthy();
- });
-
- it('should show x grid lines', function () {
- var lines = chart.internal.main.select('.c3-xgrid-lines .c3-xgrid-line'),
- expectedX1 = 593,
- expectedText = ['Label 3'];
- lines.each(function (id, i) {
- var line = d3.select(this),
- l = line.select('line'),
- t = line.select('text');
- expect(+l.attr('x1')).toBeCloseTo(expectedX1, -2);
- expect(t.text()).toBe(expectedText[i]);
- });
- });
-
- });
-
- describe('on category axis', function () {
-
- it('should update args', function () {
- args = {
- data: {
- x: 'x',
- columns: [
- ['x', 'a', 'b', 'c', 'd'],
- ['data1', 30, 200, 100, 400],
- ]
- },
- axis: {
- x: {
- type: 'category'
- }
- },
- grid: {
- x: {
- lines: [
- {value: 3, text: 'Label 3'},
- {value: 'a', text: 'Label a'}
- ]
- }
- }
- };
- expect(true).toBeTruthy();
- });
-
- it('should show x grid lines', function () {
- var lines = chart.internal.main.selectAll('.c3-xgrid-lines .c3-xgrid-line'),
- expectedX1 = [515, 74],
- expectedText = ['Label 3', 'Label a'];
- lines.each(function (id, i) {
- var line = d3.select(this),
- l = line.select('line'),
- t = line.select('text');
- expect(+l.attr('x1')).toBeCloseTo(expectedX1[i], -2);
- expect(t.text()).toBe(expectedText[i]);
- });
- });
-
- });
- });
-
-});