ci: shell-based test harness

Signed-off-by: Rifa Achrinza <[email protected]>

.github/workflows/ci.yaml

@@ -103,13 +103,11 @@ jobs:
       uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       with:
         fetch-depth: 1
+        submodules: true
     - name: Run test harness
-      uses: ./test
-      with:
-        node-version: ${{ github.matrix.node-version }}
-        db2-version: ${{ github.matrix.db2-version }}
-        _internal-mode: true
-
+      env:
+        DB2_VERSION: ${{ matrix.db2-version }}
+      run: ./cicd/well-known/test-harness.sh
   test-ibmdb:
     name: Cross-test (IBM DB)
     runs-on: ubuntu-24.04
@@ -133,8 +131,31 @@ jobs:
       uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       with:
         fetch-depth: 1
-    - name: Run test harness
-      uses: loopbackio/loopback-ibmdb/test@ci/ghaction-test
+        path: loopback-connector-db2
+    - name: Prepare for cross-testing
+      run: |-
+        mkdir nodejs-autoinstall
+        cd loopback-connector-db2
+        npm ci --ignore-scripts
+        npm pack --pack-destination ../nodejs-autoinstall
+    - name: Clone IBM DB repository
+      run: |-
+        git clone \
+          --shallow-submodules \
+          --branch=ci/ghaction-test \
+          --depth=1 \
+          https://github.com/loopbackio/loopback-ibmdb.git
+        cd loopback-ibmdb
+        git submodule update --init
+    - name: Setup Node.js
+      uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
       with:
-        node-version: ${{ github.matrix.node-version }}
-        db2-version: ${{ github.matrix.db2-version }}
+        node-version: 22
+        cache: npm
+        cache-dependency-path: |-
+          ./loopback-ibmdb/package-lock.json
+          ./loopback-connector-db2/package-lock.json
+    - name: Run test harness
+      env:
+        DB2_VERSION: ${{ matrix.db2-version }}
+      run: ./loopback-ibmdb/cicd/well-known/test-harness.sh

.gitmodules

@@ -0,0 +1,4 @@
+[submodule "cicd/vendor/setup-db2"]
+	path = cicd/vendor/setup-db2
+	url = https://github.com/achrinza/setup-db2.git
+	branch = v0.1.0

cicd/well-known/test-harness.sh

@@ -0,0 +1,53 @@
+#!/bin/sh
+export POSIXLY_CORRECT=1
+set -eu
+
+export DB2_USERNAME=db2inst1
+export DB2_PASSWORD=P00lGnorts
+export DB2_HOSTNAME=localhost
+export DB2_PORTNUM=50000
+export DB2_DATABASE=mydb
+
+BASE_DIR="$(dirname "$0")/../.."
+CI_NODEJS_AUTOINSTALL_DIR="${CI_NODEJSAUTOINSTALL_DIR:-}"
+STARTDB2_SCRIPT="$BASE_DIR/cicd/vendor/setup-db2/start-db2.sh"
+
+STEP_COUNT=1
+
+step () {
+  printf "\n\n============================================================================\n"
+  printf 'STEP #%d: %s\n' "$STEP_COUNT" "$1"
+  printf "\n============================================================================\n\n"
+  STEP_COUNT="$((STEP_COUNT + 1))"
+}
+
+ORIG_DIR="$(pwd)"
+cd "$BASE_DIR"
+
+step 'Bootstrap dependencies'
+npm ci --prefer-offline
+
+step 'Bootstrap overriding dependencies'
+if [ -d "$CI_NODEJS_AUTOINSTALL_DIR" ]; then
+  find \
+    "$CI_NODEJS_AUTOINSTALL_DIR" \
+    -iname '*.tgz' \
+    -exec \
+      npm install {} \;
+fi
+npm install --prefer-offline
+
+step 'Start DB2 LUW server'
+"$STARTDB2_SCRIPT" \
+  -l accept \
+  -V "$DB2_VERSION" \
+  -p 'P00lGnorts'
+
+step 'Run tests'
+npm run pretest --ignore-scripts
+npm test --ignore-scripts
+
+step 'Teardown DB2 LUW server'
+"$STARTDB2_SCRIPT" -C
+
+cd "$ORIG_DIR"

test/action.yaml

@@ -42,8 +42,6 @@ runs:
         db2-license: accept
         db2-version: ${{ matrix.db2-version }}
         db2-password: P00lGnorts
-    - name: Setup FakeTTY
-      uses: Yuri6037/Action-FakeTTY@1abc69c7d530815855caedcd73842bae5687c1a6 # V1.1
     - name: Run tests
       env:
         DB2_USERNAME: db2inst1