feat(ci): migrate Rust test runners to nextest

.github/scripts/ci-workflow.test.mjs

@@ -3,8 +3,8 @@ import { readFileSync } from "node:fs";
 import test from "node:test";
 
 const workflow = readFileSync(new URL("../workflows/ci.yml", import.meta.url), "utf8");
-function job(name) {
-  const jobs = workflow.slice(workflow.indexOf("\njobs:\n") + 7);
+function job(name, content = workflow) {
+  const jobs = content.slice(content.indexOf("\njobs:\n") + 7);
   const pattern = /^  ([\w-]+):\s*$/gm;
   const definitions = [...jobs.matchAll(pattern)];
   const index = definitions.findIndex((match) => match[1] === name);
@@ -62,7 +62,8 @@ test("every old Agent stage has an independent owner and Java packaging remains
   assert.ok(job("agent-checks").includes("bump-agent-versions.test.mjs"));
   assert.ok(job("agent-java").includes("./gradlew test shadowJar --continue"));
   assert.ok(job("agent-java").includes("python3 scripts/validate_agent_jars.py"));
-  assert.ok(job("agent-rust").includes('cargo test --manifest-path "drivers/$DRIVER/Cargo.toml" --locked'));
+  assert.ok(job("agent-rust").includes('cargo nextest run --manifest-path "drivers/$DRIVER/Cargo.toml" --locked --no-fail-fast'));
+  assert.ok(job("agent-rust").includes('cargo test --doc --manifest-path "drivers/$DRIVER/Cargo.toml" --locked'));
   assert.ok(job("agent-rust").includes("cargo build --manifest-path drivers/tdengine/Cargo.toml --locked --release --bin dbx-tdengine-driver"));
   assert.ok(job("agent-go").includes("ci-agent-go.sh"));
   assert.ok(job("agent-integration").includes("ci-agent-integration.sh"));
@@ -78,6 +79,38 @@ test("native Rust driver caches exclude failed build artifacts", () => {
   assert.ok(content.includes("cache-on-failure: false"));
 });
 
+test("Rust test jobs install pinned nextest and retain separate doctests", () => {
+  const pluginDevHost = readFileSync(new URL("../workflows/plugin-dev-host.yml", import.meta.url), "utf8");
+  const pluginRelease = readFileSync(new URL("../workflows/plugin-cli-release.yml", import.meta.url), "utf8");
+  const consumers = [job("rust-test"), job("agent-rust"), job("agent-integration"),
+    job("test", pluginDevHost), job("prepare", pluginRelease)];
+  for (const content of consumers) {
+    assert.ok(content.includes("uses: taiki-e/install-action@9114bf4d891761788c546334fd37538eae1bf8b3"));
+    assert.ok(content.includes("tool: cargo-nextest@0.9.137"));
+    assert.doesNotMatch(content, /cargo test (?!.*--doc)/);
+    const testCommand = content.indexOf("cargo nextest run") >= 0 ? "cargo nextest run"
+      : content.includes("ci-rust.mjs test") ? "ci-rust.mjs test" : "ci-agent-integration.sh";
+    assert.ok(content.indexOf("tool: cargo-nextest@0.9.137") < content.indexOf(testCommand));
+  }
+  assert.ok(job("rust-test").includes('ci-rust.mjs doctest "$RUST_TEST_GROUP" "$RUST_FEATURE_MODE"'));
+  for (const content of [job("test", pluginDevHost), job("prepare", pluginRelease)]) {
+    assert.ok(content.includes("cargo nextest run --locked --manifest-path plugins/sdk/cli/Cargo.toml --no-fail-fast"));
+    assert.ok(content.includes("cargo test --doc --locked --manifest-path plugins/sdk/cli/Cargo.toml"));
+  }
+  assert.match(job("agent-integration"), /name: Install nextest\s+if: matrix\.driver == 'tdengine'/);
+});
+
+test("local Rust entrypoints and live TDengine tests use nextest", () => {
+  const makefile = readFileSync(new URL("../../Makefile", import.meta.url), "utf8");
+  assert.ok(makefile.includes("RUST_MIN_STACK=8388608 cargo nextest run --no-default-features --features sqlite-bundled --no-fail-fast"));
+  assert.ok(makefile.includes("RUST_MIN_STACK=8388608 cargo test --doc --no-default-features --features sqlite-bundled"));
+  const cli = JSON.parse(readFileSync(new URL("../../packages/cli/package.json", import.meta.url), "utf8"));
+  assert.equal(cli.scripts.test, "cargo nextest run -p dbx-cli --no-default-features --no-fail-fast");
+  const integration = readFileSync(new URL("./ci-agent-integration.sh", import.meta.url), "utf8");
+  assert.ok(integration.includes("cargo nextest run --manifest-path drivers/tdengine/Cargo.toml --locked --test live --no-capture --no-fail-fast"));
+  assert.doesNotMatch(integration, /cargo test/);
+});
+
 test("DuckDB Windows builds persist Rust and C++ compiler results", () => {
   const content = job("duckdb-windows-driver");
   assert.ok(content.includes('SCCACHE_GHA_ENABLED: "true"'));