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210 lines
4.0 KiB
210 lines
4.0 KiB
// Test the rectangle element
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describe('Title block tests', function() {
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it('Should be constructed', function() {
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var title = new Chart.Title({});
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expect(title).not.toBe(undefined);
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});
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it('Should have the correct default config', function() {
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expect(Chart.defaults.global.title).toEqual({
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display: false,
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position: 'top',
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fullWidth: true,
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fontStyle: 'bold',
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padding: 10,
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text: ''
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})
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});
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it('should update correctly', function() {
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var chart = {};
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var options = Chart.helpers.clone(Chart.defaults.global.title);
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options.text = "My title";
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var title = new Chart.Title({
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chart: chart,
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options: options
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});
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var minSize = title.update(400, 200);
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expect(minSize).toEqual({
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width: 400,
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height: 0
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});
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// Now we have a height since we display
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title.options.display = true;
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minSize = title.update(400, 200);
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expect(minSize).toEqual({
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width: 400,
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height: 32
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});
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});
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it('should update correctly when vertical', function() {
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var chart = {};
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var options = Chart.helpers.clone(Chart.defaults.global.title);
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options.text = "My title";
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options.position = 'left';
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var title = new Chart.Title({
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chart: chart,
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options: options
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});
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var minSize = title.update(200, 400);
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expect(minSize).toEqual({
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width: 0,
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height: 400
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});
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// Now we have a height since we display
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title.options.display = true;
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minSize = title.update(200, 400);
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expect(minSize).toEqual({
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width: 32,
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height: 400
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});
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});
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it('should draw correctly horizontally', function() {
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var chart = {};
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var context = window.createMockContext();
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var options = Chart.helpers.clone(Chart.defaults.global.title);
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options.text = "My title";
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var title = new Chart.Title({
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chart: chart,
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options: options,
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ctx: context
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});
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title.update(400, 200);
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title.draw();
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expect(context.getCalls()).toEqual([]);
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// Now we have a height since we display
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title.options.display = true;
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var minSize = title.update(400, 200);
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title.top = 50;
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title.left = 100;
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title.bottom = title.top + minSize.height;
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title.right = title.left + minSize.width;
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title.draw();
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expect(context.getCalls()).toEqual([{
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name: 'setFillStyle',
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args: ['#666']
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}, {
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name: 'save',
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args: []
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}, {
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name: 'translate',
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args: [300, 66]
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}, {
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name: 'rotate',
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args: [0]
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}, {
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name: 'fillText',
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args: ['My title', 0, 0]
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}, {
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name: 'restore',
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args: []
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}]);
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});
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it ('should draw correctly vertically', function() {
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var chart = {};
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var context = window.createMockContext();
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var options = Chart.helpers.clone(Chart.defaults.global.title);
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options.text = "My title";
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options.position = 'left';
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var title = new Chart.Title({
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chart: chart,
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options: options,
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ctx: context
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});
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title.update(200, 400);
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title.draw();
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expect(context.getCalls()).toEqual([]);
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// Now we have a height since we display
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title.options.display = true;
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var minSize = title.update(200, 400);
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title.top = 50;
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title.left = 100;
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title.bottom = title.top + minSize.height;
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title.right = title.left + minSize.width;
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title.draw();
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expect(context.getCalls()).toEqual([{
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name: 'setFillStyle',
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args: ['#666']
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}, {
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name: 'save',
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args: []
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}, {
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name: 'translate',
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args: [106, 250]
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}, {
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name: 'rotate',
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args: [-0.5 * Math.PI]
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}, {
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name: 'fillText',
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args: ['My title', 0, 0]
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}, {
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name: 'restore',
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args: []
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}]);
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// Rotation is other way on right side
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title.options.position = 'right';
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// Reset call tracker
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context.resetCalls();
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minSize = title.update(200, 400);
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title.top = 50;
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title.left = 100;
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title.bottom = title.top + minSize.height;
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title.right = title.left + minSize.width;
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title.draw();
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expect(context.getCalls()).toEqual([{
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name: 'setFillStyle',
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args: ['#666']
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}, {
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name: 'save',
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args: []
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}, {
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name: 'translate',
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args: [126, 250]
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}, {
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name: 'rotate',
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args: [0.5 * Math.PI]
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}, {
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name: 'fillText',
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args: ['My title', 0, 0]
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}, {
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name: 'restore',
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args: []
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}]);
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});
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}); |