mermaid/__mocks__/d3.js

62 lines
1.1 KiB
JavaScript

let NewD3 = function () {
function returnThis() {
return this;
}
return {
append: function () {
return NewD3();
},
lower: returnThis,
attr: returnThis,
style: returnThis,
text: returnThis,
0: {
0: {
getBBox: function () {
return {
height: 10,
width: 20,
};
},
},
},
};
};
export const select = function () {
return new NewD3();
};
export const selectAll = function () {
return new NewD3();
};
export const curveBasis = 'basis';
export const curveLinear = 'linear';
export const curveCardinal = 'cardinal';
export const MockD3 = (name, parent) => {
const children = [];
const elem = {
get __children() {
return children;
},
get __name() {
return name;
},
get __parent() {
return parent;
},
};
elem.append = (name) => {
const mockElem = MockD3(name, elem);
children.push(mockElem);
return mockElem;
};
elem.lower = jest.fn(() => elem);
elem.attr = jest.fn(() => elem);
elem.text = jest.fn(() => elem);
elem.style = jest.fn(() => elem);
return elem;
};