97 lines
4.3 KiB
TypeScript
97 lines
4.3 KiB
TypeScript
import { render, waitFor } from "@testing-library/react";
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import { describe, expect, it } from "vitest";
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import { highlightCode } from "@/components/MemoContent/highlight";
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import MathMarkdownRenderer from "@/components/MemoContent/MathMarkdownRenderer";
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import { MemoMarkdownRenderer } from "@/components/MemoContent/MemoMarkdownRenderer";
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import { hasMathSyntax } from "@/components/MemoContent/math";
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const ISSUE_CURRENCY_CONTENT = `list of 10 houses
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$140,000 max - buffer of ~10k
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diy, add amount to down payment
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no appliances covered
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less than $1,000, client responsibilities
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over $1,000 - owner responsibility
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vacant is good to rent
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for sale by owner
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path to ownership -$50
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rent insurance - my of`;
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describe("memo content lazy renderers", () => {
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it("detects math in prose but ignores escaped dollars and code", () => {
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expect(hasMathSyntax("Inline $L$ formula")).toBe(true);
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expect(hasMathSyntax("Display $$x$$ formula")).toBe(true);
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expect(hasMathSyntax("Display\n$$\nx + y\n$$")).toBe(true);
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expect(hasMathSyntax(String.raw`Price is \$5`)).toBe(false);
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expect(hasMathSyntax("Inline code: `$L$`")).toBe(false);
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expect(hasMathSyntax("```text\n$L$\n```")).toBe(false);
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});
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it("loads the math renderer when math syntax is present", async () => {
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const { container } = render(<MemoMarkdownRenderer content="$L$" resolvedMentionUsernames={new Set()} />);
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await waitFor(() => expect(container.querySelector(".katex")).not.toBeNull());
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});
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it("keeps currency dollars literal across and within lines", () => {
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const content = `${ISSUE_CURRENCY_CONTENT}\n\n$20,000 and $30,000`;
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const { container } = render(<MathMarkdownRenderer content={content} resolvedMentionUsernames={new Set()} />);
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expect(container.querySelector(".katex")).toBeNull();
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expect(container.querySelectorAll("br")).toHaveLength(9);
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for (const price of ["$140,000", "$1,000", "$50", "$20,000", "$30,000"]) {
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expect(container.textContent).toContain(price);
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}
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});
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it("retries later dollars after rejecting currency and preserves display math", () => {
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const inline = render(<MathMarkdownRenderer content="A $5 amount and $x$" resolvedMentionUsernames={new Set()} />);
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expect(inline.container.textContent).toContain("A $5 amount and ");
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expect(inline.container.querySelectorAll(".katex")).toHaveLength(1);
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const multiline = render(<MathMarkdownRenderer content={"$x +\ny$"} resolvedMentionUsernames={new Set()} />);
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expect(multiline.container.querySelector(".katex")).not.toBeNull();
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const display = render(<MathMarkdownRenderer content={"$$\nx + y\n$$"} resolvedMentionUsernames={new Set()} />);
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expect(display.container.querySelector(".katex-display .katex")).not.toBeNull();
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});
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it.each([
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"$ x$",
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"$x $",
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"$x$2",
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"$\u00a0x$",
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"$x\u00a0$",
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"$\u0085x$",
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"$x\u0085$",
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])("keeps invalid single-dollar boundaries literal: %s", (content) => {
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const { container } = render(<MathMarkdownRenderer content={content} resolvedMentionUsernames={new Set()} />);
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expect(container.querySelector(".katex")).toBeNull();
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expect(container.textContent).toBe(content);
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});
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it.each([
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["$x $ and $y$", "$x $ and "],
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["$x$2 and $y$", "$x$2 and "],
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["$20 and $30 then $x$", "$20 and $30 then "],
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])("abandons an invalid closer before parsing later math: %s", (content, literalPrefix) => {
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const { container } = render(<MathMarkdownRenderer content={content} resolvedMentionUsernames={new Set()} />);
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expect(container.textContent).toContain(literalPrefix);
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expect(container.querySelectorAll(".katex")).toHaveLength(1);
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});
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it("renders escaped currency without the Markdown escape", () => {
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const { container } = render(<MathMarkdownRenderer content={String.raw`Price is \$20`} resolvedMentionUsernames={new Set()} />);
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expect(container.querySelector(".katex")).toBeNull();
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expect(container.textContent).toBe("Price is $20");
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});
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it("escapes plain code and highlights common languages", async () => {
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expect(await highlightCode('<script data-test="x">&</script>', "")).toBe("<script data-test="x">&</script>");
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expect(await highlightCode("echo hello", "bash")).toContain("hljs-built_in");
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expect(await highlightCode("const value = 1;", "js")).toContain("hljs-keyword");
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});
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});
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