59 lines
1.6 KiB
TypeScript
59 lines
1.6 KiB
TypeScript
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import { expect, it } from "vitest";
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import { analyzeJavaScriptSemantics } from "./javascriptSemanticAnalysis.js";
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const responses = (source: string) =>
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analyzeJavaScriptSemantics(source)
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.requestOperations.filter(({ kind }) => kind === "response-consumer")
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.map(({ method, endpoint, resolution }) => ({
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method,
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endpoint,
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resolution,
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}));
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it("keeps the endpoint of a uniquely consumed request response", () => {
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expect(
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responses(`
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async function load() {
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const a = await fetch("https://example.test/a");
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const b = await fetch("https://example.test/b");
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return [await a.json(), await b.text()];
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}
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`),
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).toEqual([
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{
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method: "json",
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endpoint: "https://example.test/a",
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resolution: "complete",
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},
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{
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method: "text",
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endpoint: "https://example.test/b",
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resolution: "complete",
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},
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]);
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});
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it("leaves an ambiguous response consumer without an endpoint", () => {
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expect(
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responses(`
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async function load(flag) {
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let response = await fetch("https://example.test/a");
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if (flag) response = await fetch("https://example.test/b");
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return response.json();
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}
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`),
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).toEqual([{ method: "json", endpoint: null, resolution: "partial" }]);
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});
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it("leaves a response replaced by a non-request value without an endpoint", () => {
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expect(
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responses(`
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async function load(cachedResponse) {
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let response = await fetch("https://example.test/a");
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response = cachedResponse;
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return response.json();
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}
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`),
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).toEqual([expect.objectContaining({ method: "json", endpoint: null })]);
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});
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