Test queries in CI

This requires importing empty shapefiles with the same layout
as the ones downloaded.

.github/workflows/ci.yml

@@ -35,7 +35,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Install osm2pgsql and database
-      run: sudo apt-get install -qq --no-install-recommends osm2pgsql postgresql-14-postgis-3
+      run: sudo apt-get install -qq --no-install-recommends osm2pgsql postgresql-14-postgis-3 gdal-bin
     - name: Wait for database
       run : sudo pg_ctlcluster 14 main start; until pg_isready; do sleep 0.5; done
     - name: Setup database
@@ -45,3 +45,7 @@ jobs:
         osm2pgsql -G --hstore --style openstreetmap-carto.style --tag-transform-script openstreetmap-carto.lua -d gis -r xml <(echo '<osm version="0.6"/>')
     - name: Create indexes
       run: psql -1Xq -v ON_ERROR_STOP=1 -d gis -f indexes.sql
+    - name: Load empty shapefiles
+      run: scripts/get-external-data.py --no-update --cache -D scripts/empty_files
+    - name: Test queries are valid
+      run: scripts/test-queries.py project.mml

scripts/empty_files/antarctica-icesheet-outlines-3857.zip.lastmod

@@ -0,0 +1 @@
+Thu 01 Jan 1970 12:00:00 AM UTC

scripts/empty_files/antarctica-icesheet-polygons-3857.zip.lastmod

@@ -0,0 +1 @@
+Thu 01 Jan 1970 12:00:00 AM UTC

scripts/empty_files/ne_110m_admin_0_boundary_lines_land.zip.lastmod

@@ -0,0 +1 @@
+Thu 01 Jan 1970 12:00:00 AM UTC

scripts/empty_files/simplified-water-polygons-split-3857.zip.lastmod

@@ -0,0 +1 @@
+Thu 01 Jan 1970 12:00:00 AM UTC

scripts/empty_files/water-polygons-split-3857.zip.lastmod

@@ -0,0 +1 @@
+Thu 01 Jan 1970 12:00:00 AM UTC