test: add pagination tests for listings

Enhance the existing listing test suite by adding pagination tests to verify the presence of pagination elements and their expected behaviour in the rendered output.

Author: mcanouil

tests/docs/listings/.gitignore

@@ -1 +1,3 @@
 /.quarto/
+
+**/*.quarto_ipynb

tests/smoke/site/render-listings.test.ts

@@ -8,14 +8,19 @@ import { dirname, join } from "../../../src/deno_ral/path.ts";
 import { testQuartoCmd, Verify } from "../../test.ts";
 
 import { docs } from "../../utils.ts";
-import { ensureHtmlElements, fileExists } from "../../verify.ts";
+import { ensureFileRegexMatches, ensureHtmlElements, fileExists } from "../../verify.ts";
 
 const input = docs("listings/index.qmd");
 const outputDir = join(docs("listings"), "_site");
 const htmlOutput = join(
   outputDir,
   "index.html",
 );
+const paginationHtmlOutput = join(
+  outputDir,
+  "pagination",
+  "index.html",
+);
 
 const verify: Verify[] = [];
 verify.push(fileExists(htmlOutput));
@@ -36,6 +41,27 @@ verify.push(ensureHtmlElements(htmlOutput, [
   'div#listing-other-reports .quarto-post div.thumbnail img[src$="2\.png"]',
 ]));
 
+// Pagination tests
+verify.push(fileExists(paginationHtmlOutput));
+verify.push(ensureHtmlElements(paginationHtmlOutput, [
+  // 1. Testing listing type for each pagination listing
+  "div#listing-default-pagination table.quarto-listing-table",
+  "div#listing-custom-pagination .quarto-grid-item",
+  "div#listing-zero-inner-window .quarto-listing-default",
+  // 2. Testing pagination nav elements exist
+  "nav#default-pagination-pagination.listing-pagination",
+  "nav#custom-pagination-pagination.listing-pagination",
+  "nav#zero-inner-window-pagination.listing-pagination",
+]));
+verify.push(ensureFileRegexMatches(paginationHtmlOutput, [
+  // Default pagination uses innerWindow: 2 (default value)
+  /pagination:\s*\{[^}]*innerWindow:\s*2/,
+  // Custom pagination uses innerWindow: 1 and outerWindow: 1
+  /pagination:\s*\{[^}]*innerWindow:\s*1[^}]*outerWindow:\s*1/,
+  // Zero inner-window regression test: innerWindow: 0 must be output
+  /pagination:\s*\{[^}]*innerWindow:\s*0/,
+]));
+
 testQuartoCmd(
   "render",
   [