test: Refactor integration tests

.github/workflows/test-rust.yaml

@@ -56,17 +56,14 @@ jobs:
           args: ${{ inputs.target_option }} --no-run --locked
       - name: Run docker compose
         run: docker compose up -d
-        working-directory: ./prql-compiler/tests/integration-rdbms
+        working-directory: ./prql-compiler/tests/integration
         if: ${{ inputs.os == 'ubuntu-latest' }}
       - name: Wait for database
         uses: ifaxity/wait-on-action@v1
         with:
           resource: "tcp:5432 tcp:3306 tcp:1433"
           timeout: 60000
         if: ${{ inputs.os == 'ubuntu-latest' }}
-      - name: skip integration if not linux
-        run: echo "SKIP_INTEGRATION=true" >> "$GITHUB_ENV"
-        if: ${{ inputs.os != 'ubuntu-latest' }}
       # Only check unreferenced snapshots on the default target tests on ubuntu
       #
       # (Maybe there's a nicer approach where we can parameterize one step
@@ -79,7 +76,9 @@ jobs:
           runner.os == 'Linux') }}
         with:
           command: insta
-          args: test --unreferenced=auto ${{ inputs.target_option }}
+          args:
+            test --unreferenced=auto ${{ inputs.target_option }} ${{ inputs.os
+            == 'ubuntu-latest' && '--features=test-external-dbs' || '' }}
       - name: 📋 Test wasm
         uses: richb-hanover/cargo@v1.1.0
         if:

.github/workflows/test-taskfile.yaml

@@ -12,9 +12,6 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}-taskfile
   cancel-in-progress: true
 
-env:
-  SKIP_INTEGRATION: true
-
 jobs:
   test-taskfile:
     runs-on: macos-latest

prql-compiler/Cargo.toml

@@ -47,14 +47,14 @@ insta = {version = "1.29", features = ["colors", "glob", "yaml"]}
 [target.'cfg(not(target_family="wasm"))'.dev-dependencies]
 chrono = {version = "0.4", features = [], default-features = false}
 criterion = "0.4.0"
-postgres = "0.19.3"
+pretty_assertions = "1.3.0"
+rusqlite = {version = "0.29.0", features = ["bundled", "csvtab"]}
+pg_bigdecimal = "0.1"
+postgres = "0.19"
 mysql = "23"
 tiberius = {version = "0.12", features = ["sql-browser-tokio", "bigdecimal", "time"]}
 tokio = {version = "1", features = ["full"]}
 tokio-util = { version = "0.7", features = ["compat"] }
-pretty_assertions = "1.3.0"
-rusqlite = {version = "0.29.0", features = ["bundled", "csvtab"]}
-pg_bigdecimal = "0.1"
 csv = "1.2"
 
 # Re-enable on windows when duckdb supports it
@@ -73,3 +73,6 @@ exactly = 1
 file = "../web/book/src/language-features/target.md"
 replace = 'prql version:"{{version}}"'
 search = 'prql version:"[\d.]+"'
+
+[features]
+test-external-dbs = []