nix: add new loadtest for errors

Also included it in CI.

Author: steve-chavez

.github/workflows/test.yaml

@@ -120,7 +120,7 @@ jobs:
   loadtest:
     strategy:
       matrix:
-        kind: ['mixed', 'jwt-hs', 'jwt-hs-cache', 'jwt-hs-cache-worst', 'jwt-rsa', 'jwt-rsa-cache', 'jwt-rsa-cache-worst']
+        kind: ['mixed', 'errors', 'jwt-hs', 'jwt-hs-cache', 'jwt-hs-cache-worst', 'jwt-rsa', 'jwt-rsa-cache', 'jwt-rsa-cache-worst']
     name: Loadtest
     runs-on: ubuntu-24.04
     steps:

nix/tools/loadtest.nix

@@ -45,7 +45,7 @@ let
           "ARG_OPTIONAL_SINGLE([testdir], [t], [Directory to load tests and fixtures from], [./test/load])"
           "ARG_OPTIONAL_SINGLE([kind], [k], [Kind of loadtest], [mixed])"
           "ARG_OPTIONAL_SINGLE([method],, [HTTP method used for the jwt loadtests], [OPTIONS])"
-          "ARG_TYPE_GROUP_SET([KIND], [KIND], [kind], [mixed,jwt-hs,jwt-hs-cache,jwt-hs-cache-worst,jwt-rsa,jwt-rsa-cache,jwt-rsa-cache-worst])"
+          "ARG_TYPE_GROUP_SET([KIND], [KIND], [kind], [mixed,errors,jwt-hs,jwt-hs-cache,jwt-hs-cache-worst,jwt-rsa,jwt-rsa-cache,jwt-rsa-cache-worst])"
           "ARG_TYPE_GROUP_SET([METHOD], [METHOD], [method], [OPTIONS,GET])"
           "ARG_OPTIONAL_SINGLE([monitor], [m], [Monitoring file], [./loadtest/result.csv])"
           "ARG_LEFTOVERS([additional vegeta arguments])"
@@ -152,11 +152,19 @@ let
             sh -c "cd \"$_arg_testdir\" && \
             ${runner} -targets targets.http -output \"$abs_output\" \"''${_arg_leftovers[@]}\""
             ;;
+
+          errors)
+            # shellcheck disable=SC2145
+            ${withTools.withPg} -f "$_arg_testdir"/errors.sql \
+            ${withTools.withPgrst} --timeout 300 -m "$_arg_monitor" \
+            sh -c "cd \"$_arg_testdir\" && \
+            ${runner} -targets errors.http -output \"$abs_output\" \"''${_arg_leftovers[@]}\""
+            ;;
         esac
 
         ${vegeta}/bin/vegeta report -type=text "$_arg_output"
 
-        if [ "$_arg_kind" != "mixed" ]; then
+        if [ "$_arg_kind" != "errors" ]; then
           # fail in case 401 happened on jwt loadtests
           unauthorized_count="$(${vegeta}/bin/vegeta report -type=json "$_arg_output" \
             | ${jq}/bin/jq -r '.status_codes["401"] // 0')"

nix/tools/withTools.nix

@@ -81,7 +81,8 @@ let
           # On MacOS, it's 104 chars
           # See: https://serverfault.com/questions/641347/check-if-a-path-exceeds-maximum-for-unix-domain-socket
 
-          pg_ctl -l "$tmpdir/db.log" -w start -o "-F -c listen_addresses=\"\" -c hba_file=$HBA_FILE -k $PGHOST -c log_statement=\"all\" " \
+          # max_locks_per_transaction was modified from the default so we can create a lot of tables in one transaction
+          pg_ctl -l "$tmpdir/db.log" -w start -o "-F -c listen_addresses=\"\" -c max_locks_per_transaction=512 -c hba_file=$HBA_FILE -k $PGHOST -c log_statement=\"all\" " \
             >> "$setuplog"
 
           log "Creating a minimally privileged $PGUSER connection role..."

test/load/errors.http

@@ -0,0 +1,15 @@
+# Misspelled relations
+GET http://postgrest/actoxs?actor=eq.1
+Prefer: tx=commit
+
+# Misspelled relations on embeds
+GET http://postgrest/actors?select=*,rolws(*,films(*))
+Prefer: tx=commit
+
+# Misspelled function names
+GET http://postgrest/rpc/call_em_x?name=John
+Prefer: tx=commit
+
+# Permission denied errors
+GET http://postgrest/actors_1
+Prefer: tx=commit

test/load/errors.sql

@@ -0,0 +1,25 @@
+\ir fixtures.sql
+
+DO
+$$
+DECLARE
+  r record;
+BEGIN
+  FOR r IN
+    SELECT
+      format('CREATE TABLE test.actors_%s ()', x) AS tbls,
+      format($__$CREATE FUNCTION test.call_me_%s (name TEXT)
+              RETURNS TEXT
+              STABLE
+              LANGUAGE SQL
+              AS $func$
+                SELECT 'Hello ' || name;
+              $func$;$__$, x) AS funcs
+    FROM
+      generate_series(1, 10000) x
+  LOOP
+    EXECUTE r.tbls;
+    EXECUTE r.funcs;
+  END LOOP;
+END;
+$$;