feat(export): move text exports to Rust

packages/app-tests/markdownTable.test.ts

@@ -1,21 +0,0 @@
-import { strict as assert } from "node:assert";
-import test from "node:test";
-import { formatMarkdownTable } from "../../apps/desktop/src/lib/markdownTable.ts";
-
-test("escapes markdown table pipes and normalizes newlines", () => {
-  const markdown = formatMarkdownTable({
-    columns: ["id", "payload|kind"],
-    rows: [
-      [1, "a|b"],
-      [2, "line one\nline two"],
-    ],
-  });
-
-  assert.equal(markdown, [
-    "| id  | payload\\|kind        |",
-    "| --- | -------------------- |",
-    "| 1   | a\\|b                 |",
-    "| 2   | line one<br>line two |",
-    "",
-  ].join("\n"));
-});

packages/app-tests/textBackendExport.test.ts

@@ -0,0 +1,45 @@
+import { readFileSync } from "node:fs";
+import { strict as assert } from "node:assert";
+import test from "node:test";
+
+const apiSource = readFileSync("apps/desktop/src/lib/api.ts", "utf8");
+const tauriSource = readFileSync("apps/desktop/src/lib/tauri.ts", "utf8");
+const httpSource = readFileSync("apps/desktop/src/lib/http.ts", "utf8");
+const gridExportSource = readFileSync("apps/desktop/src/composables/useDataGridExport.ts", "utf8");
+const tauriCommandsSource = readFileSync("src-tauri/src/commands/mod.rs", "utf8");
+const tauriLibSource = readFileSync("src-tauri/src/lib.rs", "utf8");
+const webRoutesSource = readFileSync("crates/dbx-web/src/routes/mod.rs", "utf8");
+const webMainSource = readFileSync("crates/dbx-web/src/main.rs", "utf8");
+const rustCoreLibSource = readFileSync("crates/dbx-core/src/lib.rs", "utf8");
+
+test("frontend API exposes backend JSON and Markdown export functions", () => {
+  assert.match(apiSource, /export const exportQueryResultJson = forward\("exportQueryResultJson"\)/);
+  assert.match(apiSource, /export const exportQueryResultMarkdown = forward\("exportQueryResultMarkdown"\)/);
+
+  assert.match(tauriSource, /export async function exportQueryResultJson\(/);
+  assert.match(tauriSource, /invoke\("export_query_result_json"/);
+  assert.match(tauriSource, /export async function exportQueryResultMarkdown\(/);
+  assert.match(tauriSource, /invoke\("export_query_result_markdown"/);
+
+  assert.match(httpSource, /export async function exportQueryResultJson\(/);
+  assert.match(httpSource, /\/api\/export\/query-result-json/);
+  assert.match(httpSource, /export async function exportQueryResultMarkdown\(/);
+  assert.match(httpSource, /\/api\/export\/query-result-markdown/);
+});
+
+test("data grid JSON and Markdown exports use backend APIs", () => {
+  assert.match(gridExportSource, /api\.exportQueryResultJson\(/);
+  assert.match(gridExportSource, /api\.exportQueryResultMarkdown\(/);
+  assert.doesNotMatch(gridExportSource, /formatJson\(/);
+  assert.doesNotMatch(gridExportSource, /formatMarkdownTable/);
+});
+
+test("Rust backends register JSON and Markdown export modules", () => {
+  assert.match(rustCoreLibSource, /pub mod text_export/);
+  assert.match(tauriCommandsSource, /pub mod text_export/);
+  assert.match(tauriLibSource, /commands::text_export::export_query_result_json/);
+  assert.match(tauriLibSource, /commands::text_export::export_query_result_markdown/);
+  assert.match(webRoutesSource, /pub mod text_export/);
+  assert.match(webMainSource, /\/export\/query-result-json/);
+  assert.match(webMainSource, /\/export\/query-result-markdown/);
+});