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// Test the rectangle element
describe('Rectangle element tests', function() {
it('Should be constructed', function() {
var rectangle = new Chart.elements.Rectangle({
_datasetIndex: 2,
_index: 1
});
expect(rectangle).not.toBe(undefined);
expect(rectangle._datasetIndex).toBe(2);
expect(rectangle._index).toBe(1);
});
it('Should correctly identify as in range', function() {
var rectangle = new Chart.elements.Rectangle({
_datasetIndex: 2,
_index: 1
});
// Safely handles if these are called before the viewmodel is instantiated
expect(rectangle.inRange(5)).toBe(false);
expect(rectangle.inLabelRange(5)).toBe(false);
// Attach a view object as if we were the controller
rectangle._view = {
base: 0,
width: 4,
x: 10,
y: 15
};
expect(rectangle.inRange(10, 15)).toBe(true);
expect(rectangle.inRange(10, 10)).toBe(true);
expect(rectangle.inRange(10, 16)).toBe(false);
expect(rectangle.inRange(5, 5)).toBe(false);
expect(rectangle.inLabelRange(5)).toBe(false);
expect(rectangle.inLabelRange(7)).toBe(false);
expect(rectangle.inLabelRange(10)).toBe(true);
expect(rectangle.inLabelRange(12)).toBe(true);
expect(rectangle.inLabelRange(15)).toBe(false);
expect(rectangle.inLabelRange(20)).toBe(false);
// Test when the y is below the base (negative bar)
var negativeRectangle = new Chart.elements.Rectangle({
_datasetIndex: 2,
_index: 1
});
// Attach a view object as if we were the controller
negativeRectangle._view = {
base: 0,
width: 4,
x: 10,
y: -15
};
expect(negativeRectangle.inRange(10, -16)).toBe(false);
expect(negativeRectangle.inRange(10, 1)).toBe(false);
expect(negativeRectangle.inRange(10, -5)).toBe(true);
});
it('should get the correct height', function() {
var rectangle = new Chart.elements.Rectangle({
_datasetIndex: 2,
_index: 1
});
// Attach a view object as if we were the controller
rectangle._view = {
base: 0,
width: 4,
x: 10,
y: 15
};
expect(rectangle.height()).toBe(-15);
// Test when the y is below the base (negative bar)
var negativeRectangle = new Chart.elements.Rectangle({
_datasetIndex: 2,
_index: 1
});
// Attach a view object as if we were the controller
negativeRectangle._view = {
base: -10,
width: 4,
x: 10,
y: -15
};
expect(negativeRectangle.height()).toBe(5);
});
it('should get the correct tooltip position', function() {
var rectangle = new Chart.elements.Rectangle({
_datasetIndex: 2,
_index: 1
});
// Attach a view object as if we were the controller
rectangle._view = {
base: 0,
width: 4,
x: 10,
y: 15
};
expect(rectangle.tooltipPosition()).toEqual({
x: 10,
y: 15,
});
// Test when the y is below the base (negative bar)
var negativeRectangle = new Chart.elements.Rectangle({
_datasetIndex: 2,
_index: 1
});
// Attach a view object as if we were the controller
negativeRectangle._view = {
base: -10,
width: 4,
x: 10,
y: -15
};
expect(negativeRectangle.tooltipPosition()).toEqual({
x: 10,
y: -15,
});
});
it('should get the correct vertical area', function() {
var rectangle = new Chart.elements.Rectangle({
_datasetIndex: 2,
_index: 1
});
// Attach a view object as if we were the controller
rectangle._view = {
base: 0,
width: 4,
x: 10,
y: 15
};
expect(rectangle.getArea()).toEqual(60);
});
it('should get the correct horizontal area', function() {
var rectangle = new Chart.elements.Rectangle({
_datasetIndex: 2,
_index: 1
});
// Attach a view object as if we were the controller
rectangle._view = {
base: 0,
height: 4,
x: 10,
y: 15
};
expect(rectangle.getArea()).toEqual(40);
});
it('should get the center', function() {
var rectangle = new Chart.elements.Rectangle({
_datasetIndex: 2,
_index: 1
});
// Attach a view object as if we were the controller
rectangle._view = {
base: 0,
width: 4,
x: 10,
y: 15
};
expect(rectangle.getCenterPoint()).toEqual({x: 10, y: 7.5});
});
});