From c89c46b19e3d9df7c82a4c064a7ea6c3efd3458b Mon Sep 17 00:00:00 2001
From: prql-bot <107324867+prql-bot@users.noreply.github.com>
Date: Mon, 10 Aug 2026 06:58:49 +0000
Subject: [PATCH 1/3] ci: run the raku grammar tests

---
 .github/workflows/tests.yaml | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 4c9c9984e911..49cc9a66e9e1 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -523,8 +523,8 @@ jobs:
           token: cab4ace5-4f10-4027-8b5c-d79722234571
 
   test-grammars:
-    # Currently tests lezer grammars. We could split that out into a separate
-    # job if we want when we add more.
+    # Tests the lezer & raku grammars. We could split these into separate jobs
+    # if we want when we add more.
     runs-on: ubuntu-24.04
     needs: rules
     if:
@@ -540,12 +540,24 @@ jobs:
       - name: Install dependencies
         working-directory: grammars/prql-lezer/
         run: bun install
-      - name: Build grammar
+      - name: Build lezer grammar
         working-directory: grammars/prql-lezer/
         run: bun run build
-      - name: Test grammar
+      - name: Test lezer grammar
         working-directory: grammars/prql-lezer/
         run: bun run test
+      - name: 🦋 Setup Raku
+        uses: Raku/setup-raku@v1
+      - name: Test raku grammar
+        working-directory: grammars/raku/
+        # `raku` only takes a single script, so we loop rather than passing the
+        # whole glob. `run` defaults to `bash -e`, so the first failing test
+        # fails the step.
+        run: |
+          for t in t/*.rakutest; do
+            echo "== $t"
+            raku -I lib "$t"
+          done
 
   build-devcontainer:
     needs: rules

From e8ce7d1142b3d359b03e413b4b602af61338a21e Mon Sep 17 00:00:00 2001
From: prql-bot <107324867+prql-bot@users.noreply.github.com>
Date: Mon, 10 Aug 2026 08:32:02 +0000
Subject: [PATCH 2/3] ci: use prove6 to run the raku grammar tests

---
 .github/workflows/tests.yaml | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 49cc9a66e9e1..04c6267cbf9a 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -548,16 +548,14 @@ jobs:
         run: bun run test
       - name: 🦋 Setup Raku
         uses: Raku/setup-raku@v1
+      # `prove6` is the TAP harness that runs the whole `t/` directory in one
+      # command, as `grammars/raku/README.md` documents. `zef` ships with the
+      # rakudo archive that `setup-raku` installs.
+      - name: Install prove6
+        run: zef install App::Prove6
       - name: Test raku grammar
         working-directory: grammars/raku/
-        # `raku` only takes a single script, so we loop rather than passing the
-        # whole glob. `run` defaults to `bash -e`, so the first failing test
-        # fails the step.
-        run: |
-          for t in t/*.rakutest; do
-            echo "== $t"
-            raku -I lib "$t"
-          done
+        run: prove6 --lib t/
 
   build-devcontainer:
     needs: rules

From e6161a7f53accf89f009a02291beca153c3f4035 Mon Sep 17 00:00:00 2001
From: prql-bot <107324867+prql-bot@users.noreply.github.com>
Date: Mon, 10 Aug 2026 08:44:07 +0000
Subject: [PATCH 3/3] ci: skip dependency tests when installing prove6

---
 .github/workflows/tests.yaml | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 04c6267cbf9a..bd90f5fc5cd1 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -551,8 +551,14 @@ jobs:
       # `prove6` is the TAP harness that runs the whole `t/` directory in one
       # command, as `grammars/raku/README.md` documents. `zef` ships with the
       # rakudo archive that `setup-raku` installs.
+      #
+      # `--/test` skips the test suites of `App::Prove6` and its transitive
+      # deps, which `zef` would otherwise run before installing. The README
+      # recipe deliberately omits it — a human installing locally wants those
+      # to run; here they'd only turn the job red for reasons unrelated to the
+      # PRQL grammar.
       - name: Install prove6
-        run: zef install App::Prove6
+        run: zef install --/test App::Prove6
       - name: Test raku grammar
         working-directory: grammars/raku/
         run: prove6 --lib t/