tests: added unit tests for ci/cd associated with reranking pg comp

tests/reranks/test_reranks_predictionguard.sh

@@ -0,0 +1,67 @@
+#!/bin/bash
+# Copyright (C) 2024 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+set -x
+
+WORKPATH=$(dirname "$PWD")
+ip_address=$(hostname -I | awk '{print $1}')
+function build_docker_images() {
+    cd $WORKPATH
+    docker build --no-cache --build-arg https_proxy=$https_proxy --build-arg http_proxy=$http_proxy -t opea/reranking-predictionguard:comps -f comps/reranks/predictionguard/Dockerfile .
+    if [ $? -ne 0 ]; then
+        echo "opea/reranking-predictionguard built fail"
+        exit 1
+    else
+        echo "opea/reranking-predictionguard built successful"
+    fi
+}
+
+function start_service() {
+    predictionguard_service_port=9000
+    unset http_proxy
+
+    docker run -d --name="test-comps-reranking-predictionguard-server" \
+    -p ${predictionguard_service_port}:9000 \
+    --ipc=host -e http_proxy=$http_proxy -e https_proxy=$https_proxy \
+    -e PREDICTIONGUARD_API_KEY=${PREDICTIONGUARD_API_KEY} \
+    opea/reranking-predictionguard:comps
+
+    sleep 1m
+}
+
+function validate_microservice() {
+    predictionguard_service_port=9000
+    result=$(http_proxy="" curl http://${ip_address}:${predictionguard_service_port}/v1/reranking\
+        -X POST \
+        -d '{"initial_query":"What is Deep Learning?", "retrieved_docs": [{"text":"Deep Learning is not..."}, {"text":"Deep learning is..."}]}' \
+        -H 'Content-Type: application/json')
+    if [[ $result == *"reranked_docs"* ]]; then
+        echo "Result correct."
+    else
+        echo "Result wrong. Received was $result"
+        docker logs test-comps-reranking-predictionguard-server
+        exit 1
+    fi
+}
+
+function stop_docker() {
+    cid=$(docker ps -aq --filter "name=test-comps-rerank*")
+    if [[ ! -z "$cid" ]]; then docker stop $cid && docker rm $cid && sleep 1s; fi
+}
+
+function main() {
+
+    stop_docker
+
+    build_docker_images
+    start_service
+
+    validate_microservice
+
+    stop_docker
+    echo y | docker system prune
+
+}
+
+main