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import { FONT_FAMILY } from "../constants";
import { getLineHeight } from "../fonts";
import { API } from "../tests/helpers/api";
import {
computeContainerDimensionForBoundText,
getContainerCoords,
getBoundTextMaxWidth,
getBoundTextMaxHeight,
} from "./textElement";
import { detectLineHeight, getLineHeightInPx } from "./textMeasurements";
import type { ExcalidrawTextElementWithContainer } from "./types";
describe("Test measureText", () => {
describe("Test getContainerCoords", () => {
const params = { width: 200, height: 100, x: 10, y: 20 };
it("should compute coords correctly when ellipse", () => {
const element = API.createElement({
type: "ellipse",
...params,
});
expect(getContainerCoords(element)).toEqual({
x: 44.2893218813452455,
y: 39.64466094067262,
});
});
it("should compute coords correctly when rectangle", () => {
const element = API.createElement({
type: "rectangle",
...params,
});
expect(getContainerCoords(element)).toEqual({
x: 15,
y: 25,
});
});
it("should compute coords correctly when diamond", () => {
const element = API.createElement({
type: "diamond",
...params,
});
expect(getContainerCoords(element)).toEqual({
x: 65,
y: 50,
});
});
});
describe("Test computeContainerDimensionForBoundText", () => {
const params = {
width: 178,
height: 194,
};
it("should compute container height correctly for rectangle", () => {
const element = API.createElement({
type: "rectangle",
...params,
});
expect(computeContainerDimensionForBoundText(150, element.type)).toEqual(
160,
);
});
it("should compute container height correctly for ellipse", () => {
const element = API.createElement({
type: "ellipse",
...params,
});
expect(computeContainerDimensionForBoundText(150, element.type)).toEqual(
226,
);
});
it("should compute container height correctly for diamond", () => {
const element = API.createElement({
type: "diamond",
...params,
});
expect(computeContainerDimensionForBoundText(150, element.type)).toEqual(
320,
);
});
});
describe("Test getBoundTextMaxWidth", () => {
const params = {
width: 178,
height: 194,
};
it("should return max width when container is rectangle", () => {
const container = API.createElement({ type: "rectangle", ...params });
expect(getBoundTextMaxWidth(container, null)).toBe(168);
});
it("should return max width when container is ellipse", () => {
const container = API.createElement({ type: "ellipse", ...params });
expect(getBoundTextMaxWidth(container, null)).toBe(116);
});
it("should return max width when container is diamond", () => {
const container = API.createElement({ type: "diamond", ...params });
expect(getBoundTextMaxWidth(container, null)).toBe(79);
});
});
describe("Test getBoundTextMaxHeight", () => {
const params = {
width: 178,
height: 194,
id: '"container-id',
};
const boundTextElement = API.createElement({
type: "text",
id: "text-id",
x: 560.51171875,
y: 202.033203125,
width: 154,
height: 175,
fontSize: 20,
fontFamily: 1,
text: "Excalidraw is a\nvirtual \nopensource \nwhiteboard for \nsketching \nhand-drawn like\ndiagrams",
textAlign: "center",
verticalAlign: "middle",
containerId: params.id,
}) as ExcalidrawTextElementWithContainer;
it("should return max height when container is rectangle", () => {
const container = API.createElement({ type: "rectangle", ...params });
expect(getBoundTextMaxHeight(container, boundTextElement)).toBe(184);
});
it("should return max height when container is ellipse", () => {
const container = API.createElement({ type: "ellipse", ...params });
expect(getBoundTextMaxHeight(container, boundTextElement)).toBe(127);
});
it("should return max height when container is diamond", () => {
const container = API.createElement({ type: "diamond", ...params });
expect(getBoundTextMaxHeight(container, boundTextElement)).toBe(87);
});
it("should return max height when container is arrow", () => {
const container = API.createElement({
type: "arrow",
...params,
});
expect(getBoundTextMaxHeight(container, boundTextElement)).toBe(194);
});
it("should return max height when container is arrow and height is less than threshold", () => {
const container = API.createElement({
type: "arrow",
...params,
height: 70,
boundElements: [{ type: "text", id: "text-id" }],
});
expect(getBoundTextMaxHeight(container, boundTextElement)).toBe(
boundTextElement.height,
);
});
});
});
const textElement = API.createElement({
type: "text",
text: "Excalidraw is a\nvirtual \nopensource \nwhiteboard for \nsketching \nhand-drawn like\ndiagrams",
fontSize: 20,
fontFamily: 1,
height: 175,
});
describe("Test detectLineHeight", () => {
it("should return correct line height", () => {
expect(detectLineHeight(textElement)).toBe(1.25);
});
});
describe("Test getLineHeightInPx", () => {
it("should return correct line height", () => {
expect(
getLineHeightInPx(textElement.fontSize, textElement.lineHeight),
).toBe(25);
});
});
describe("Test getDefaultLineHeight", () => {
it("should return line height using default font family when not passed", () => {
//@ts-ignore
expect(getLineHeight()).toBe(1.25);
});
it("should return line height using default font family for unknown font", () => {
const UNKNOWN_FONT = 5;
expect(getLineHeight(UNKNOWN_FONT)).toBe(1.25);
});
it("should return correct line height", () => {
expect(getLineHeight(FONT_FAMILY.Cascadia)).toBe(1.2);
});
});
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