Add E2E test for bias detection of guardrails (#708)

* Add Bias Detection Microservice

Signed-off-by: Qun Gao <qun.gao@intel.com>

* Add E2E test for bias detection

Signed-off-by: Qun Gao <qun.gao@intel.com>

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Signed-off-by: Qun Gao <qun.gao@intel.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.github/workflows/docker/compose/guardrails-compose.yaml

@@ -9,3 +9,8 @@ services:
     build:
       dockerfile: comps/guardrails/llama_guard/langchain/Dockerfile
     image: ${REGISTRY:-opea}/guardrails-tgi:${TAG:-latest}
+
+  guardrails-bias-detection:
+    build:
+      dockerfile: comps/guardrails/llama_guard/langchain/Dockerfile
+    image: ${REGISTRY:-opea}/guardrails-bias-detection:${TAG:-latest}

tests/guardrails/test_guardrails_bias_detection.sh

@@ -0,0 +1,72 @@
+#!/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() {
+    echo "Start building docker images for microservice"
+    cd $WORKPATH
+    docker build --no-cache -t opea/guardrails-bias-detection:comps --build-arg https_proxy=$https_proxy --build-arg http_proxy=$http_proxy -f comps/guardrails/bias_detection/Dockerfile .
+    if [ $? -ne 0 ]; then
+        echo "opea/guardrails-bias-detection built fail"
+        exit 1
+    else
+        echo "opea/guardrails-bias-detection built successful"
+    fi
+}
+
+function start_service() {
+    echo "Starting microservice"
+    docker run -d --runtime=runc --name="test-comps-guardrails-bias-detection-endpoint" -p 9092:9092 --ipc=host -e http_proxy=$http_proxy -e https_proxy=$https_proxy opea/guardrails-bias-detection:comps
+    sleep 5
+    echo "Microservice started"
+}
+
+function validate_microservice() {
+    echo "Validate microservice started"
+    echo "test 1 - biased"
+    result=$(curl localhost:9092/v1/bias -X POST -d '{"text":"John McCain exposed as an unprincipled politician."}' -H 'Content-Type: application/json')
+    if [[ $result == *"Violated"* ]]; then
+        echo "Result correct."
+    else
+        docker logs test-comps-guardrails-bias-detection-endpoint
+        exit 1
+    fi
+    echo "test 2 - non-biased"
+    result=$(curl localhost:9092/v1/bias -X POST -d '{"text":"John McCain described as an unprincipled politician."}' -H 'Content-Type: application/json')
+    if [[ $result == *"described"* ]]; then
+        echo "Result correct."
+    else
+        echo "Result wrong."
+        docker logs test-comps-guardrails-bias-detection-endpoint
+        exit 1
+    fi
+    echo "Validate microservice completed"
+}
+
+function stop_docker() {
+    cid=$(docker ps -aq --filter "name=test-comps-guardrails-bias-detection-endpoint")
+    echo "Shutdown legacy containers "$cid
+    if [[ ! -z "$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 "cleanup container images and volumes"
+    echo y | docker system prune 2>&1 > /dev/null
+
+}
+
+main