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fix: tighten scraper parsing behavior

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This commit is contained in:
Dmytro Stanchiev
2026-04-22 23:41:08 -04:00
parent 08edfa8097
commit 6f9d4db419
4 changed files with 197 additions and 8 deletions
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52
packages/core/test/ebay-core.test.ts
View File

@@ -75,6 +75,58 @@ describe("eBay Scraper Cookie Handling", () => {
]);
});
test("deduplicates repeated item links from the same card", async () => {
global.fetch = mock(() =>
Promise.resolve({
ok: true,
text: () =>
Promise.resolve(`
<html><body>
<li class="s-item">
<a href="/itm/123"><span>Open</span></a>
<a href="/itm/123"><span>Image</span></a>
<h3>Stable Laptop Bundle</h3>
<span class="s-item__price">CA $100.00</span>
</li>
</body></html>
`),
}),
) as typeof fetch;
const results = await fetchEbayItems("laptop", 1000);
expect(results).toHaveLength(1);
expect(results[0]).toEqual(
expect.objectContaining({ url: "https://www.ebay.ca/itm/123" }),
);
});
test("treats bare dollar prices as CAD on ebay.ca", async () => {
global.fetch = mock(() =>
Promise.resolve({
ok: true,
text: () =>
Promise.resolve(`
<html><body>
<li class="s-item">
<a href="/itm/123"></a>
<h3>Stable Laptop Bundle</h3>
<span class="s-item__price">$100.00</span>
</li>
</body></html>
`),
}),
) as typeof fetch;
const results = await fetchEbayItems("laptop", 1000);
expect(results).toEqual([
expect.objectContaining({
listingPrice: expect.objectContaining({ currency: "CAD" }),
}),
]);
});
test("returns results and unstableResults when unstable mode is enabled", async () => {
global.fetch = mock(() =>
Promise.resolve({

109
packages/core/test/kijiji-core.test.ts
View File

@@ -104,7 +104,7 @@ describe("URL Construction", () => {
sortOrder: "desc",
});
expect(url).toContain("b-buy-sell/canada/iphone/k0c132l1700272");
expect(url).toContain("b-phones/gta/iphone/k0c132l1700272");
expect(url).toContain("sort=relevancyDesc");
expect(url).toContain("order=DESC");
});
@@ -141,6 +141,7 @@ describe("URL Construction", () => {
category: "phones",
});
expect(url).toContain("/b-phones/toronto/");
expect(url).toContain("k0c132l1700273"); // phones + toronto
});
});
@@ -184,6 +185,110 @@ describe("Error Classes", () => {
});
describe("fetchKijijiItems", () => {
test("filters fetched listings by priceMin and priceMax", async () => {
const searchHtml = `
<html>
<script id="__NEXT_DATA__" type="application/json">
${JSON.stringify({
props: {
pageProps: {
__APOLLO_STATE__: {
"Listing:1": {
url: "/v-low/k0l0",
title: "Low Listing",
},
"Listing:2": {
url: "/v-mid/k0l0",
title: "Mid Listing",
},
"Listing:3": {
url: "/v-high/k0l0",
title: "High Listing",
},
},
},
},
})}
</script>
</html>
`;
const listingHtml = (title: string, amount: number, slug: string) => `
<html>
<script id="__NEXT_DATA__" type="application/json">
${JSON.stringify({
props: {
pageProps: {
__APOLLO_STATE__: {
"Listing:detail": {
url: `/${slug}`,
title,
price: { amount, currency: "CAD", type: "FIXED" },
type: "OFFER",
status: "ACTIVE",
},
},
},
},
})}
</script>
</html>
`;
global.fetch = mock((input: string | URL | Request) => {
const url = typeof input === "string" ? input : input.toString();
if (url.includes("/k0c0l1700272")) {
return Promise.resolve({
ok: true,
text: () => Promise.resolve(searchHtml),
headers: { get: () => null },
url,
});
}
if (url.endsWith("/v-low/k0l0")) {
return Promise.resolve({
ok: true,
text: () => Promise.resolve(listingHtml("Low Listing", 7000, "v-low/k0l0")),
headers: { get: () => null },
url,
});
}
if (url.endsWith("/v-mid/k0l0")) {
return Promise.resolve({
ok: true,
text: () => Promise.resolve(listingHtml("Mid Listing", 9000, "v-mid/k0l0")),
headers: { get: () => null },
url,
});
}
if (url.endsWith("/v-high/k0l0")) {
return Promise.resolve({
ok: true,
text: () => Promise.resolve(listingHtml("High Listing", 12000, "v-high/k0l0")),
headers: { get: () => null },
url,
});
}
throw new Error(`Unexpected URL: ${url}`);
}) as typeof fetch;
const results = await fetchKijijiItems(
"phone",
1000,
"https://www.kijiji.ca",
{ maxPages: 1, priceMin: 8000, priceMax: 10000 },
);
expect(results).toEqual([
expect.objectContaining({ title: "Mid Listing" }),
]);
});
test("returns results and unstableResults when unstable mode is enabled", async () => {
const searchHtml = `
<html>
@@ -237,7 +342,7 @@ describe("fetchKijijiItems", () => {
global.fetch = mock((input: string | URL | Request) => {
const url = typeof input === "string" ? input : input.toString();
if (url.includes("/b-buy-sell/")) {
if (url.includes("/k0c0l1700272")) {
return Promise.resolve({
ok: true,
text: () => Promise.resolve(searchHtml),