wehub-resource-sync
24 lines
805 B
TypeScript
Vendored
24 lines
805 B
TypeScript
Vendored
import { strict as assert } from "node:assert";
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import { test } from "vitest";
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import { fitCanvasText } from "../../apps/desktop/src/lib/dataGrid/canvasDataGridRenderer.ts";
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function measureContext(charWidth = 1): CanvasRenderingContext2D {
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return {
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font: "13px sans-serif",
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measureText: (text: string) => ({ width: text.length * charWidth }),
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} as CanvasRenderingContext2D;
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}
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test("fitCanvasText keeps text that fits the available cell width", () => {
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const ctx = measureContext();
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const text = "1234567890abcdefghijklmnopqrst";
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assert.equal(fitCanvasText(ctx, text, text.length), text);
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});
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test("fitCanvasText truncates only when text exceeds the available cell width", () => {
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const ctx = measureContext();
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assert.equal(fitCanvasText(ctx, "1234567890", 8), "12345...");
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});
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